Embracing The Past and Capturing the Future.

Embracing the past, Capturing the future.

AURORA- Whether its is learning about Henry Ford's introduction of the assembly line which revolutionized manufacturing, to using digital calipers for super accurate measurements or cutting a piece of wood by hand and then using a hand plane, to programming the computer Numerical control (CNC) router or laser engraver, Mesabi East student are able to learn about the past while also experiencing modern technology.

As the manufacturing industry has changed with redesigned and streamlined production lines and the use of more process automation, The nature of line of work that the industry needs has changed as well. The nation will have 3.5 million manufacturing jobs to fill over the next decade, according to a 2015 report from Deloitte and the Manufacturing Institute.

Mesabi East shop classes can help student becomes self-reliant, find their strengths, learn the value of persistence, find the satisfaction in making a project from start to finish, launch a hands-on career, understand the principle of math and science, created and design, among many other positives. By trying different courses, Student are able to discover their niches and with 75 years of combined experience, Bill Krueth and George Harden are here to help them do just that. Krueth teaches welding I,ll and lll, wood shop, Carpentry computer Aided Drafting (CAD) and Metal Fabrication I, II, and III on the Aurora Campus While Harden teaches Auto, I, Mesabi East High School is proud to be part of the Applied learning Institute (Ali) which serves to educated a new generation of learner-workers. Ali, Formed ion 2006, is a partnership that connects five collages of the Northeast Higher Education District(NHED) and 22 northeast Minnesota high schools and the Iron Range Resources and Rehabilitation Board. It was    
Created to revitalize technical education.

Since its beginning, ALi has provided more than $5.5 million in funding to member high schools and colleges Mesabi East High School has greatly benefited by receiving $328,395 in funding to date. Because of this funding Mesabi East has been able to acquire technology such as a laser engraver, Computer Numerical Control (CNC) router, CNC plasma cutter, robotic arm, 3D Printer, TiG Welders, MIG Welders, CNC milling machine, and CNC lathe.

Student enrolled in Ali courses have the opportunity to study engineering applications, transportation, Fundamentals of industrial design and healthcare. The high school, higher education, and industry partners collaborate to design and implement each Ali program.

All of the Ali Programs transition into NHED program. ALi Priority programs are divided into six categories: industrial technology, transportation, healthcare, technical math, Pre-engineering, and construction trades.

In addition to funding, ALI supports employer and college visits for high schools classes, Equipment exhibitions for instructors, Employer and college instructor presentations at high schools, and jobs fairs for regional employers. These courses are open to junior and senior high school student and agree tuition-free Student receive both high school and college credit upon the successful completion of Ali courses.

Mesabi East instructors that tech ALi courses are Craig sickle - Technical Math, Bill Krueth- Industrial Technology/Construction Trades, and Erin Prazak-Printing/Publishing. Five Mesabi East Student are currently taking healthcare courses at the Eveleth campus.

Two other projects have emerged due to the collaboration set by Ali. These are Iron Range Engineering (IRE) and Education innovation Partners.

Iron Range Engineering (IRE) gives students the opportunity to earn a four- year degree engineering program which is collocated in Virginia at the Tom Rukavina Engineering Center, a new building dedicated to the lawmaker whose dedication and determination has been instrumental in securing Funds for higher dedication. This Program is located on the Mesabi Range Collage Virginia campus and is a collaborative effort with Minnesota State university and Itasca Community College.

Education Innovation Partners (EIP) began in 2013 with the goal of providing students throughout the region with equal access and the opportunity for a world class education regardless of ZIP code.

In Addition to providing opportunities to our student that they may not have other wish had, ALi helps to meet the needs of employers and helps students connect with the community. the CEO of Chastiser, Believes one of the most surprising results of the initiative was the partnering classes and Habitat for Humanity to build Houses in the area.

More Information can be found on the Applied learning Institute's

Tags: Cnc Router, Laser engraving,  CNC plasma cutter, robotic arm, 3D Printer,  CNC milling machine, and CNC lathe.

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Post By: Irfan Khan

Technology For Cnc Router Machine

Technology for Batch One wood products manufacturing is finally catching up with what custom woodworkers and cabinetmakers have been doing for years. Now it’s possible to do it on a factory production-line — right down to one-off edge bands of varying thicknesses and robotic hand sanders.

Under the name “Industry 4.0,” this production makeover has been sweeping across all manufacturing segments, enabled by advances in enterprise-wide computer systems. Now every production cell, machine function and employee can be linked in real-time through blue-tooth wireless, tablet computers and smart phone apps. Coupled with automated machining technology, this levels the playing field so big firms can go custom, and small firms can produce products on par with the large shops.

The rapid adoption of lower-cost hot air edge banding for zero-joint edges, automated materials handling, and simplified CNC operation — with improved human interfaces — also means more consistent and productive output.

For runs of one table or cabinet — the essence of Batch One production — perhaps no other technology is as complicated as edge banding. Its set-up times were historically long, as were warm-up times for the glue pot. That doesn’t work when the changeover must take place from workpiece to work piece.

Hot air edge banding solved half the problem. It was a big deal at the LIGNA show two years ago, and even bigger for LIGNA 2015. Its ability to start up fast is a natural fit with Batch One production. Scm showed its first entree in the field, while Holz-Her showed a quick changeover rail system to move between conventional and PUR. Also big: Scm, Biesse and Homage showed edge band mechanisms that adjust for panel thickness. bit.ly/1OasgIa

Industry 4.0, the long-term full factory automation strategy that was the talk of LIGNA 2015, was also among the major themes for conference sessions at the 2015 Woodworking Machinery & Supply Expo in Toronto in November.

Industry 4.0, as described by Lignum Consulting, is a comprehensive strategy for automating factories, embracing organizational structure, data, product development, logistics and human resources. Lignum Consulting Inc. President Georg Frey, based in North Carolina, and Sepp Gmeiner, partner, who heads the Toronto office, operated the first stop on LIGNA 2015’s Industry 4.0 Technology Tour in Hannover.  bit.ly/1NGXnsK

Robotics To Mimic Human Woodworkers

At AWFS Fair 2015, smaller-scale robots took up hand finishing. Biesse and Prime Heat each showed Fanuc robots that sand or finish doors and furniture parts. Biesse’s Opera R sanded doors with a conventional hand-held orbital sander, swapping out a square sander for getting the corners on a recessed cabinet door panel, then selecting a round orbital for rails and stiles, just like a human operator. bit.ly/1MZ2OTb

Crowd sourcing Woodworking Skills

Hundreds of woodshop pros give detailed answers to technical and technique questions posted monthly at Woodworking Network’s Shop Smarts Challenge, earning it a place among our most-viewed pages. bit.ly/WWNShopSmarts  

Saw-stop Sues Bosch Over Patents

Among major business stories, the series of reports on Bosch’s entry into Saw Stop’s domain was highly viewed. Saw Stop is taking legal action to block Bosch’s approach to a flesh-sensing saw that stops the blade before injuring the operator. Bosch says the technologies don’t violate Saw Stop patents. It uses a piston that doesn’t damage the blade. bit.ly/1Jl015e

5 Apps that Woodworkers Must Try

Smart phones are ubiquitous, and their ability to capture and compare colors is amazing. Also, from levels to plumb bobs, free smart phone apps for woodworkers are like a virtual toolbox. bit.ly/1FzhX9K

Tool Verifies Saw Blade Angle Is Right

Simple and simply popular: the  AccuMASTER 2-in-1 Digital Angle Gauge finds true level and checks angles on saw blades, jointer fences, sharpening planes, drill press, etc. It debuted at AWFS Fair 2015. bit.ly/1QypXm3

Wood Friction Welding Needs No Glue

The behavior of wood surfaces in joining wood,  TMI shows glue-less welding of wood using vibration and pressure, an approach developed for aircraft production in the 1960s. bit.ly/1PEt4Zx

Stiles Homag BHX Vertical CNCs

The BHX was the vertical CNC machining center that tipped the balance for the compact technology. Homag sold more than one per day in its first three years on the market. The count is much higher now. bit.ly/1YkuEBk

Evolution Vertical CNC 

Holz-Her has updated its Evolution model and expanded the lineup since its first introduction to the U.S. market at IWF 2014, including a boring-only version introduced at LIGNA 2015. Evolution suspends the panel with a vacuum clamp so it can be trimmed on all four sides. bit.ly/1OVspmr

Biesse Vertical CNC Brema Eko 2.1

Biesse launched the Brema vertical CNC, which can carry out all boring, milling, and glue and dowel insertion operations, as well as managing additional hardware inserts. It also handles delicate surfaces. bit.ly/1NgujxU

Scm REM Pilot Vertical CNC 

We ran across Scm’s CNC technology in reporting on Lock dowel fasteners at LIGNA and during the AWFS Fair.  Its availability in the U.S. hasn’t yet been announced.   bit.ly/2161cBz

Rob land Vertical CNC

The Rob land Silver line 3000 CNC vertical drilling machine appeared at the Canadian 2013 Woodworking Machinery & Supply Expo. bit.ly/1T3Oyxv

Auto-Guide Hand-held Router Arrives

A hand-held router that uses machine vision and GPS to guide its cutting path is getting closer to market. A product of Massachusetts Institute of Technology grad student research, it is now moving into the world of venture capital funding with some backing by Roo Venture Capital, and has been redesigned by a former Google product developer and renamed Shaper. bit.ly/1HlgN9a

Vacuum-Power Dremel Cleans & Cuts

A vacuum-powered rotary Dremel cleans debris while running 30,000 rpm. The VRT1 turns a shop vacuum into a turbine-powered rotary tool, capturing airborne dust as it goes. bit.ly/1NHffUa

Precision Cut Technology at Cal Door

Cal Door credits its success to a combination of old-world craftsmanship with cutting-edge technology using automatic stops and pushers on industrial pop up saws. bit.ly/1T4e8Cv

Wonder of Low Temp Powder Coating

Next generation in Ultra Low Bake Powder Coating technology, IGP-RAPIDtop 88, a clear topcoat for solid wood.  Louisville-based U.S. IGP powder coating on chairs and other products is dramatic, with the bare wood contrasting with the glossy coating achieved with RAPIDtop 88. bit.ly/1XeHPRQ

How Reality TV Made Him Buy a CNC

While many people  recognize him as a contestant on HGTV’s “Ellen’s Design Challenge,” furniture maker Tim McClellan, owner of Western Heritage Furniture in Jerome, AZ, was already  well established before the show. He has been crafting high-end furniture pieces for more than 20 years. A stint on the Ellen show made him buy his first CNC. bit.ly/1FN7sEl

Wood Ed Training Simulator at WMS

Wood Ed, a woodworking machinery virtual reality training system, is being distributed in North America by Taurus Craco Machinery. Developed by Mimbus, the training system provides a safe yet realistic approximation of woodworking machinery for training new equipment users. bit.ly/1X7ddUg

3D Wood Laser in Kick starter Record

Glow forge, a 3D laser cutter and etcher for wood, metal, leather and other materials, reports a Kick starter crowdfunding record, raising more than $28 million in the last month for pre­-orders of its scanner and cutter. A consumer version sells for $1,995, while a more robust Pro model sells for $3,995. bit.ly/1k7bxvo

CNC Machining 101: Batch One List

What is the difference between a CNC router and a machining center? What role does Batch One processing have in your plant? A  panel of experts explain the technologies and the role these machines have in creating a flexible work environment. They also share purchasing considerations along with machining tips for processing not only solid wood and panel products, but also advanced materials. It was our most popular webcast in 2015. bit.ly/1MsdmNp

Lowe’s Adds Holoroom 3D Visualizer

Lowe’s Holoroom, an augmented reality room visualizer that lets customers walk right into a virtual kitchen cabinet design, will be rolled out in 19 U.S. stores. First launched in Toronto, it is combined with Oculus Rift and Google 3D viewing technology. bit.ly/1O7Raun


Tags: CNC router Machine, Laser cutting Machine, 3D laser, low-cost cnc router machine.


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Post by: Irfan khan

Chiller Machine

Chiller Introduction

Industrial circulation cooler is designed by the international advanced cooling system, which can be used in any small cooling system radiating through water-cooling.

1. All-round safe keeping function of  cut-off and over temperature warning.
2. Closed stainless steel water tanks, it can work for a long time with one watering.
3. Real-time monitoring the temperature to know exactly the work condition of heating elements.
4. Professional radiator with great volume of heat diapation that forces the wind cool.
5. Automatic work, not needing manual work.( co-ordinating with the system )
6. Outputting waning signal to quickly keep the sense organs safe.
7. Minute extension, beautiful shape.
8. High cost performance and maintenance free machine. 

Specification

1. Power supply :                                         220vac 50/60Hz
2. Power Consumption :                             110VA max
3. Cooling water tank capacity :                9L
4. Cooling water tank Material :               Stainless Steel
5. Cooling :                                                   Radiation that forces the wind cool 
6. Amount in cooling :                                 60w/'c
7. Way of circulation :                                 Forces Circulation
8. Maximum Water Current Capacity:     600L/h
9. Maximum  Water Pumping Lift:           10m
10. Diameter of Input and output Hole :     10mm
11. External Dimensions :                             470*262*373 mm
12. Weight :                                                    Approx*.13 kg

OPERATING INSTRUCTIONS

2.Notes

1. Don't Power ON if no water 
2. Put it in ventilated and dry environment, far from other heaters. And its vent is away from the obstacles above 150mm
3. Draining is necessary when it is out of work or transported for a long time.
4.  When the water temperature is under 10.c its fan s will stop work, and when over 20.c , it will continue to work.

3. Installation for the first Time

Its installation is very easy and you can do it according to the following steps.

1. open the packing and examine the machine and accessories
2. Connecting the outlet and inlet pipes 
3. Twists off the machine Crown note Drainage opening, joins the water.
4. Plugging in and turning on the power.
5. Checking the water level of the water tank. (The water  level should be 80-150mm aways from the tender filling hole). Screwing down the tender filling hole nut tightly.

The installation is over now and it only needs to turn on or off the power next time. ( if thhe cooler is automatic, it can be on and off by its own and does not need intervention).

4. Maintenance

• please change the cooling water after a long time.

APPENDIX

1. The Cooling capacity of CW-3000

• cooling the heater of 50w to 400w respectively with this cooler and open circulation cooling system the data of maximum temperature-rise against indoor temperature are monitored and as following 

2. Standard Accessories 

• An Industrial Circulation Cooler 
• A Power Line 
• A Spare Fuse 250V/2A
• An user Manual
• A Coupling Hose Pipe 
• Two Staples 
• A Plug of warning signal output

Tags: Chiller CW-3000, CW-5000, CW-5200, used in laser Machine SB6090, SB1390, SB1325M, 

Buy  from Suba Tech Trading LLC  you can Contact as subatech@live.com

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Post by: Irfan Khan 

laser machine

jacksonville Ice sculptor  creates art with an electric chain saw

ask mike Riesmeyer to create an image using pencil and paper and you'll probably be disappointed with the results.

he can't even draw a good stick dog, he said. but give him an eletric chain saw and a 300-pound block of ice, and Riesmeyer becomes an artist.

In the 30-plus year that he has been sculpting ice, he's carved everything from fire engines and eagles to martini from fire engines and eagles to martini glasses and dragons. Dolphins and Swans, popular at wedding receptions, are almost second nature to him.

The self-taught Riesmeyer doesn't know why he's much better with a chain saw than with a pencil. he suspects it's the ability to visualize in three dimiensions rether than two.

In any case Sculpting ice is an "artistic outlet" that he has largely turned into a career through his one-man business, Designer Ice.

On even the most scorching summer day in Northeast Florida, Riemeyer still dresses for the better cold if he plans to step into his small freezer studio, where the temperature is 22 degrees. with a cap, gloves and a heavy coat, I look like an Eskimo," he said.

He does most of his Sculpting in the studio. Occasionally he does domonstrations as well, like the ones he expects to do during WinterFeest at Adventure landing in jacksonvile Beach.


He's carved on location when the heat and humidity are overwhelming, as well as in less oppressive conditions. Either way, Riesmeyer is still working outdoors with ice in Florida. " you're at the mercy of the elements, "he said. "in said. "in most demos, you have to be careful, but also hurry."

Buniness Typically picks up during the hoildays as requests come in for glistening centerpieces for galas, company parties and hoilday-themed gatherings.

This year, Riesmeyer is busy with another project as well: he's in the process of building a new studio.

When Finished, the 12-by-20-foot space will give him more elbow room that he had in his first studio, an 8-by-12-foot structure.

In the meantime, he's doing his sculpting in the 5-by-10 trailer freezer he used to transport finished works and blocks of ice for demonstrations.

LEARN BY DOING

Riesmeyer, 54 grew up in Pittsburgh and studied to become a chef at the culinary institute of America in Hyde Park, N.Y.

He had exactly one day of instruction in ice sculpting at culinary school. His first Sculpture: a cornucopia.

"I picked the easiest thing I could find," he said.

There wasn't much emphasis on the skill because most chefs don't end up doing anything with it.

But Riesmeyer did. He was already well into the process of "learning by doing" when he came to jacksonville in 1985 and began working as a hotel banquet chef. for the next eight years, he took on as many requests for ice sculptures as he could

By 1993, however, he was burning out from the demanding hours. When he decided to leave the he culinary world behind, ice sculpture was "the one thing i still enjoyed," he said.

Carving ice wasn't Riesmeyer's only path to reinventing himself. He went to massage school and eventually went to work for a doctor as a massage and neuro-muscular therapist.
 e
About the same time, His now-former wife formed a catering business. Riesmeyer decided to start his own business as well, and had a freezer studio in the same building where she ran her operation.

Requests for sculptures at wedding receptions and corporate gathering helped Designer Ice get off to a strong start. working with 40-by-20-inch blocks of ice, He'd create full working ice bars, Ice luges and company logos along with the dolphins and swans

his primary tools:an electric chain saw and router bits in every shape and size. "Chisels and gouges are still used, but not as much, " Riesmeyer said. "That's the old way."

In any case, "your tools become extension of your hands," he said.

Riesmeyer has had remarkably few mishaps, he said, considering he's considering he's done about 3,000 sculptures. But he has vivid memories of the day something went really wrong.

he had carved two fencing figures for a wedding reception (the bride and groom were both fencers). one figure was doing a lunge, the other a parry.

he was moving the sculptures across the parking lot into the hotel in Atlantic Beach When one was Blow over by a strong wind and Shattered on the pavement.

The couple turned out to be very forgiving.

CROWD APPROVAL

Sculpting ice is solitary work, except when it isn't.

Riesmeyer enjoys the isolation of his studio as he gets comfortable "in my zone."

But he also finds great satisfaction in working on location in front of an audience. At Last year's WinterFest at Adventure Landing, He Created Characters From the animated Disney film "Frozen" Such as Olaf the Snowman and the Marshmallow Snow Monter. He used a fog machine to make it look loke the snow monster was breathing frost.

The reaction from audiences-what Riesmeyer calls "the wow factor" - is "one of the thing that makes me happiest."

His reaction from moments in front of a crowned occurred in fall 2003 at the St. Augustine Fire and Ice Festival, a Chili cook-off and amateur ice carving competition the previous year, Riesmeyer had created a phoenix. He used seven blocks of ice.

This time, he set his ambitions even higher: a knight with a shield, and an 8-foot dragon. he used 14 blocks of ice, and his arms start cramping before he was done. he lit the knight with whits light, the dragon with green, and hooked up a fog machine to the dragon to make it look like it was breathing smoke.

As Riesmeyer finished, he turned around to see hundreds of people had gathered. Many Expressed awe at the results.

"I couldn't even tell you what the sculptures weighed, "  he said. "Thousands of pounds ."

Depending on the surrounding temperature, and where the Sculpture is placed- in the direct sun, For example- Riesmeyer's work usually begins to melt in a matter of hours.

But the impermanence of his creations doesn't bother him.

"It's served its Purpose," He said. "after your first 1,000, you get over it."

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Post by ; Irfan Khan








 

Plasma Machine

Alex Tinguely: Working Toward a fusion future

After starting his physics education with online courses, an MIT graduate student is now practicing cutting-edge research in nuclear fusion at MIT.

Paul Rivenberg I plasma science and fusion center
Novermber 20, 2015

Alex Tinguely wonders where he might be today if he had not taken an online physics class in high school. The second-year Department of Physics graduate student from fort madison, lowa, attended a high school with a population of more than 100 students, and with no available physics courses.

In his jonior year he decided if he was going to explore the world of physics he would need to do it online, and on his own. with no lab space available, Tinguely adapted the school chapel to his needs.

"one experiment I did was stack our Hymnals to form a ramp that i could roll a ball down. i was trying to calculate thee acceleration due to gravity by varying the slope of the ramp. At least one teacher Knew that I was in the Chapel, But I'm not sure about the others. They Probably would not have been too happy."

In the process of his chapel experiments, Tinguely found physics so compelling he decided to take an online Advanced Placement physics course during his senior year.

Attracted by the breadth of research possible in the filed, Alex majored inn physics and mathematics at lowa state university. Between his junior and senior years he had the opportunity, through the U.S Department of Energy (DOE) Science undergraduate Laboratory Internship Program, to study at a DOE Lab. Feeling that the topic of nuclear fusion sounded promising, he ended up at the Princeton plasma physics Laboratory (PPPL). He spent the summer studying dusty plasma's with Arturo Dominguez, Whose graduate work at MIT's Plasma Science and Fusion center (PSFC) Had to his position as PPPL's Science education and program leader.

Today, Tinuely Finds himself in a PSFC control room, acquiring data from the same ALcator C-Mod Tokamak Dominguez used for his thesis research. Working with his advisory, Principal research Scientist Bob Granetz, He studies how to magnetically confine plasmas in a toroidal vacuum vessel, so that fusion can occur. His Focus now is on Disruption, often caused by instabilities in the plasma, which can damage the walls of the fusion  vessel.

"We need to figure out how to prevent disruption if we want our tokamak to work and survive."

Tinguely is particularly interested in runaway electrons, Which can be caused by disruptions. these electrons, Which have accelerated to nearly the speed of light, cna carry a lot of energy: 1,000 times more than the normal thermal energy of electrons in the plasma. if runaway electron beams are created in a fusion device, they can eventually strike a wall and cause serious- potentially catastrophic-damage to the vessel.

The disruption scenarios Tinguely studies are comparable to what could occur in the ITER project, a large-scale fusion experiment being built in France to demonstrate the technological and scientific feasibility of magnetic confinement fusion. "If we can predict Disruptions on C-Mode, Hopefully we can predict them on ITER," Alex says.

His research takes Tinguely inside the compact vacuum of the Alcator C-Mod tokamak, an opportunity he describes as "one of the coolest experiences ever." Inside a machine that can reach temperatures of 100 million degrees, he calibrates spectrometers so that they can accurately measure the amount of light coming from the synchronous radiation of runaway eletrons. For Tinguely, working inside the tokemak provides a unique learning experience, one that places a lot of responsibility on the students, but teaches great skills.

Tinguely is eager to share his enjoyment of physics and fusion research with others. At the PSFC he honing the talent for educational outreach that he nurtured as a member of the lowa state university physics and Astronomy club, Where he helped put on science demonstrations at local elementry schools and on campus. giving a tour of the PSFC, he might be found Explaining how to play a video game that challenges participants to keep a plasma from touching the walls of the vessel, or inviting a high school student to hold a large magnet up to a glow-discharge tube filled with plasma, to illustrate how plasma respond to magnetic fields.

"I Think it's really fun to do and hopefully gets kids interested in science," Tinguely says. "It was very much by chance that i became interested in physics."

looking back on his decision to take an online physics course, and how it led him on a path to MIT, Tinguely seems committed to sparking that same interest in the minds of the student he meets.

"My end goal is to hopefully help build a fusion reactor some day," he says. And it looks like he's hoping to inspire others to join him.

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post by : Irfan khan

A CNC Table

A CNC Table.

Is one of the big guns When it comes to woodworking on youtube, and now he's doing something completely unlike his other builds. He's building a Gigantic CNC machine. yes, we've seen dozens of CNC router builds, but this one adds a few nifty features We've never seen before.

The plans for [Frank]'s CNC machine call for a 4 foot by 8 foot table over which a router on a gantry gnaws away at wood. This is the standard size for shop-sized CNC router. But [Frank] is adding in his own twist: he's building a 12 foot long table, by way of a four foot extension. This one small addition allows [Frank] to put tensons in tree trunks, engraving on the side of furniture, or just to make one part of a very large piece flat.

Right now, the build is just about the base, constructed out of 2" square steel tube. While the welding is by all accounts an amateur job, everything is square straight, and true. Now, with a metal base scooting around on hockey puck feet, [Frank] is ready to start on the robotic part of the build, something we're all interested to see

It's going to be really big, but still not the biggest.

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Post By : Irfan Khan 

What is the Difference between Stepper And Servo Motors ?

Stepper Motor: 

Definition : stepper motor is an electro mechanical device which converts electrical pulses into discrete mechanical movements. The shaft or spindle of a stepper motor rotates in discrete step increments when electrical command pulses are applied to it in the proper sequence.

Stepper Motor

Top Ten Stepper motor Advantages:

1. Stable. Can drive a wide range of frictional and inertial loads.
2. Needs no feedback. The motor is also the position transducer.
3. Inexpensive relative to other motion control systems.
4. Standardized frame size and performance.
5. Plug and play. Easy to setup and use.
6. Safe. If anything breaks, the motor stops.
7. Long life. Bearings are the only wear-out mechanism.
8. Excellent low speed torque. Can drive many loads without gearing.
9. Excellent repeat-ability. Returns to the same location accurately.
10. Overload safe. Motor cannot be damaged by mechanical overload.

Top Ten DC Servo motor Advantages:

Servo Motor

Definition: A servomotor is a rotary actuator or linear actuator that allows for precise control of angular or linear position, velocity and acceleration. It consists of a suitable motor coupled to a sensor for position feedback.

Servo Motor

1. High output power relative to motor size and weight.
2. Encoder determines accuracy and resolution.
3. High efficiency. It can approach 90% at light loads.
4. High torque to inertia ratio. It can rapidly accelerate loads.
5. Has "reserve" power. 2-3 times continuous power for short periods.
6. Has "reserve" torque. 5-10 times rated torque for short periods.
7. Motor stays cool. Current draw proportional to load.
8. Usable high speed torque. Maintains rated torque to 90% of NL RPM
9. Audibly quiet at high speeds.
10. Resonance and vibration free operation.

Top Ten Stepper Disadvantages:

1. Low efficiency. Motor draws substantial power regardless of load.
2. Torque drops rapidly with speed (torque is the inverse of speed).
3. Low accuracy. 1:200 at full load, 1:2000 at light loads.
4. Prone to resonances. Requires micro stepping to move smoothly.
5. No feedback to indicate missed steps.
6. Low torque to inertia ratio. Cannot accelerate loads very rapidly.
7. Motor gets very hot in high performance configurations.
8. Motor will not "pick up" after momentary overload.
9. Motor is audibly very noisy at moderate to high speeds.
10. Low output power for size and weight.

Top Ten DC Servo Disadvantages:

1. Requires "tuning" to stabilize feedback loop.
2. Motor "runs away" when something breaks. Safety circuits are required.
3. Complex. Requires encoder.
4. Brush wear out limits life to 2,000 hrs. Service is then required.
5. Peak torque is limited to a 1% duty cycle.
6. Motor can be damaged by sustained overload.
7. Bewildering choice of motors, encoders, and servo drives.
8. Power supply current 10 times average to use peak torque. See (5).
9. Motor develops peak power at higher speeds. Gearing often required.
10. Poor motor cooling. Ventilated motors are easily contaminated.

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Post By: Irfan Khan

Automation, 3-D Printing Becoming the New Normal In Oilfield Manufacturing

A line illustration of Apollo-clad's machine that "3-D prints" oilfield pipes, tools and other items

On the floor of a facility owned by Apollo-Clad’s Laser Cladding, a 30-foot-long length of tubing is clamped into a cutting lathe. The length of pipe is what’s called a “stator tube,” an oilfield tool used to stabilize mud motors during drilling operations. And while it will perform much like other stator tubes in the field, this particular tool was manufactured using a different method than most – and one that came at a much lower cost.

Suspended in the air over the tube is the spray nozzle of a laser-cladding machine, which has been placing successive layers of tungsten carbide to build up three “stabilizer blades” in the center portion of the tool. “It’s exactly like 3-D printing but on a larger industrial scale,” says Doug Hamre, the head of research and development at Apollo-Clad, a company that manufactures and repairs downhole tools and mining equipment. As recently as five years ago, those stabilizer blades would have been machined out of a larger (and more expensive) length of solid steel. The steel had to be hollowed out with a lathe, and excess parts were, in some cases, manually welded to the tool. But the ability to laser-clad successive layers of hard metals within very precise parameters marks a shift in how some companies manufacture and repair various downhole tools for the energy sector. By laser-cladding the stator tube, for example, the client is able to build the tool from the ground up, in turn using far cheaper base materials and significantly less energy in the process.

But the game-changing nature of this technology is not simply the laser-cladding process (the method has been used in the aerospace sector since the ’80s). Instead, the advantage lies in Apollo-Clad’s ability to automate such a process to the point that almost no human intervention is required, something that dramatically reduces labor costs. Unlike many shops in the area, Apollo-Clad looks to hire software-inclined workers with a basic understanding of math and computer programming. “They don’t need to be a welder and they don’t have to have experience working with metal,” Hamre says. “They need to be comfortable running a computer.”

Apollo-Clad’s highly automated process is increasingly becoming the norm in the energy sector’s manufacturing and fabrication sector. Due to still-high labor costs, many companies are adopting robotics or automated processes (often defined as computer numerical control, or CNC, systems) to replace high-paid workers with lower-paid ones. “From the automation standpoint of this,” Hamre says, gesturing toward the stator tube, “once we program this [stabilizer] blade once, operators only need to make very minor adjustments to the program.”

Apollo-Clad is just one example of how automation and robotics are making their way into oil and gas manufacturing – and in particular how they are used to repair damaged equipment. The company is responsible for repairing all of Halliburton’s drive shafts, which are used for directional drilling across its international operations. It receives drive shafts from all around the world, grinds away the damaged or worn-out areas, then laser-clads a fresh layer to reinforce the tool. Before laser-cladding, there was no process that could cost-effectively repair those shafts and get them back into the field. As a result, Apollo-Clad’s process gets the drive shafts back into the field more cheaply and quickly. “We’ve saved them millions and millions of dollars.”

Apollo-Clad has seven laser systems in its shop, each coming at a cost of at least $100,000 per kilowatt of power, though Hamre says prices are quickly coming down. In 2011 the company invested over $1 million on a laser-cladding robot as part of the expansion of its shop. The robot is mounted on top of a 17-foot-tall tower that moves along a track in one of Apollo-Clad’s shop bays, using its revolving arm to laser-clad large machinery from a high vantage point. That high vantage point allows the company to repair large machinery that would otherwise be unwieldy to repair by hand – including, for example, the heat treatment or laser-cladding of the giant wheel hubs of oil sands mining trucks. But while laser equipment systems and robotic equipment don’t come cheap, Hamre says it is actually the CNC software that makes up the bulk of the costs. “It’s come to that point where the laser isn’t the most expensive part of the purchase anymore,” Hamre says. “The system that controls it, the automation, that’s the expensive part.”

The cost of installing automated systems, coupled with the energy sector’s long-held wariness towards new technologies, has slowed the adoption of automation in oil and gas manufacturing. And even big manufacturers with existing robotics and automation equipment are eyeing new purchases with caution as oil prices seem set to remain low – or, at least, lower than they’d like – over the foreseeable future. Manluk Global Manufacturing Solutions, a Wetaskiwin-based company with facilities across Alberta, has over 50 CNC machines, and recently began investing more heavily in robotics. Codey Soanes, a representative with the company, told Alberta Oil during Calgary’s Global Petroleum Show that it had recently purchased a robot for about $400,000 to build a small product that fits into one of the valve components it manufactures. Similar equipment is used for other processes, like the overlaying of a metal coating on the teeth of oil sands crushers. While these robots can lower manufacturing costs, they come with a steep upfront price tag, which means they are only economic “if you can keep the robot busy.”

There are other limits to the deployment of automation in oil and gas manufacturing. Tony Wang, the executive director of Hilong Petropipe, a subsidiary of the China-based company Hilong Group, says client demands in the energy sector vary widely, and therefore automated processes need to be constantly recalibrated to fit specific needs. The capabilities required of oilfield equipment in one area often vary from the capabilities of equipment in another due to different geological constraints. Hilong has increasingly automated its Nisku-based shop, which manufactures tubing, casing and pipelines, since it started operating in 2013. But for now Wang says Hilong’s plans to invest in additional automation technology are on hold. “It’s not like the automotive or fabric industry,” Wang says. “Manufacturing in the oil and gas industry is unique.”

Automated equipment is also useful to companies that have trouble retaining low-skill workers. Wang says that because fewer workers are required on the floor, and because there are fewer jobs in the marketplace today, the labor constraints he felt a few years ago have eased. “At first there were a lot of people coming and going, and people could easily find another job,” he says. “But right now it’s quiet.”

The pace at which automation and robotics will be adopted in oil and gas manufacturing is an open question. But automated processes are already cutting costs for clients and making oilfield processes more efficient. Take Apollo-Clad’s heat treatment of one of its clients’ “reamer bodies,” a down-hole tool that clears out or widens existing boreholes. The treatment involves heating up very specific regions of the tool to 1,000 degrees Celsius, which reinforces the steel and makes it more durable against wear. “When we first started doing these, they’d take about two hours each. Now that they’re fully programmed, they take about 45 minutes,” Hamre says. The process is quite simple, but can be the difference between a stalled project and a successful one. “The employee does very little except press a green button.”

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Machinery And Machining Tools

Machinery And Machining Tools

Mini CNC Router Provides 2 x 3 ft cutting table.

Press Release Summary:

November 5, 2015- Suitable for any size production shop or educational institute, HD mini CNC Router is powered by 2 hp HSD high-frequency collet spindle with precision ball screw drives on all 3 axes. heavy-duty production machine is controlled using hand-held micro stepper controller that can run industry standard G and M codes. Featuring automatic tool calibration pad and aluminum T-slot table for part fixuring, router is suited for use with wood, plastic, fiberglass, and metal.

Mini CNC Router for any size production shop or Educational institute from Techno Cnc systems to be Showcased at ACTE

Press Release Date:

Techno CNC System is proud to be showcasing their HD Mini CNC Router at ACTE's career Tech Vision 20115, at the Ernest N. Morial Convention Center, New Orleans, LA Booth 436, on Novermber 20-22th|

Techno's HD Mini CNC Router is a heavy-duty production machine with a compact floor print size ideal for any size production shop or educational institute. The HD Mini machine is powered by a 2HP HSD high-frequency collet spindle with precision ball screw drives on all three axes and is controlled using Techno's easy-to-use hand-held micro stepper controller that can run industry standard G and M fixturing. THe HD mini is used widely in industry manufacturing, making it the perfect industrial skills training solution for classroom students. these CNC router application can include any 2D or 3D geometric shape commonly fabricated in prototyping, sign making, woodworking, or any engineered product using wood, plastic, fiberglass, metal or other rout-bale materials within the 2' x 3' cutting table size.

Join Techno at Booth 436 where you can meet their factory experts in person who will answer all your application questions, see live demonstrations of the HD Mini featuring the latest CNC technology and pick up their new product catalog of cnc equipment and accessories.

Techno CNC systems Educational sector offers high speed, affordable industrial quality CNC router, plasmas, and laser machines in a wide range of sizes with work areas available from 12" to 12" to 5' x 10'. All machines offer endless STEM opportunities. Every machine is installed and supported by local Techno CNC systems representatives to ensure a successful startup.

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Post : Irfan Khan
 

3D Printing Methods: Which One Is Right for Your Project?

3D Printing Methods: Which One Is Right for Your Project?

Call it the ultimate disruptive technology.

Even in its infancy, 3D printing has made designers take notice, not least because of its promise to transform industries and remake manufacturing.

Industry watchers even called the process “Wal-Mart in your hands” due to its range and potential. Fashion, food, aeronautics, medicine, construction, device manufacturing—this technology isn’t just changing how certain things are made; it’s changing how things are made in general.

This hype has primed the market for rapid growth, with sales of 3D-printing machines predicted to grow 500 percent in five years.

But before getting swept up in the excitement, those looking to purchase a machine or use a service to 3D print need to do their research. Despite the freedom inherent in the technology, the wrong machine can saddle you with unnecessary expenses or hobble your ambitions.

Hobbyists and professional designers should consider the size and specificity they want in their creations, which correspond to the build area (the size of your machine’s workspace, which limits the dimensions of the final product) and the feature resolution (the smallest movement a printer can make within a specific layer).

As different machines have specific strengths, it’s as important to understand the various 3D-printing methods as to honestly consider your budget and scope of use. Are you a tinkerer or designer?

Fused filament fabrication (FFF) printers work by extruding a strand of molten plastic thread to shape and build an object. Also referred to as fused deposition modeling, this technology works like a spider spinning a web.

The main advantages of these machines are ease of use and affordability. The raw material—strands of plastic filament—is relatively cheap, and basic models run around $300, though that means a small build area, a single nozzle, and a simple software setup that will limit the complexity of your creations. They’re the standard, entry-level printers for hobbyists.

The build process proves useful for prototypes and even crafts, especially if you’re willing to jump from, say, a basic Printrbot Simple ($599) to an Ultimaker 2 ($2,500), which provides a larger build area and higher resolution.

But FFF’s strengths are also its weaknesses: Starting with low-cost material leads to lower-quality parts; it’s not as accurate as more expensive methods; and using filaments limits most printers to a single color at a time. Compared with more expensive models, production speed, flexibility, and surface finish are often sacrificed.


Stereolithography (SLA) builds parts or objects layer by layer, tracing out a thin pattern of resin, zapping it with an ultraviolet laser to harden it, and then repeating sheet by sheet until the final shape has been formed, with each laser pulse binding the new layer to the one below it. The parts come out stronger and sturdier than those made using FFF.

They can often work for injection molding or metal casting (though occasionally they need to be manually cleaned after they’ve been printed).

This higher degree of strength and accuracy makes SLA machines ideal for those seeking to make artwork, professional models and prototypes, and even medical and dental devices. In addition to cost ($2,000 to $4,000 for the first tier of SLA machines), the layering approach has other drawbacks.

Material cost can be prohibitive whereas the lengthier build process restricts flexibility. In higher tiers of SLA machines (such as the Autodesk Ember DLP SLA printer [$5,995] with its open-platform software, Spark), the build time is faster, and the resolution detail is finer.

Selective laser sintering (SLS) turns loose material into a compacted shape via sudden, intense heat; in this case, it’s transforming powder-like, nylon-based plastic into a solid mass with a high-powered laser.

A relatively new and more expensive technology, SLS is by far the most accurate 3D-printing method. It’s such a step above even SLA machines that it can create custom colors and make production-ready parts and high-end medical devices such as hearing aids and dental retainers.

The downsides, however, are time and money. These machines are cost-prohibitive for many users, including some small companies, and many start north of $10,000. For perspective, the Sintratec is more than $5,000; the Norge Systems Ice1 and Ice9 are $13,000 and $34,000, respectively; and high-end professional machines range from $250,000 (EOS Formiga P110) to $850,000 (3D Systems sPro 230).

It’s also important to consider computer numerical control, or CNC router and milling machines. Although they’re technically not 3D printers—rather, they’re subtractive cousins to 3D printers and additive manufacturing—they may make the most sense to use, depending on your project.

They work like a sculptor, starting with a block of material and cutting away to form the final shape. The cutting process means certain shapes (such as internal voids) can’t be achieved, and cleanup can be a hassle.

But the range of potential materials in play—from wood and metal to plastics and acrylic—offers incredible range, and the finished product is strong. Prices range from as low as $600 all the way up to industrial machines costing more than $150,000. Examples include the compact Othermill ($2,199), PRSalpha 120-60 with 12-inch Z axis ($23,525), and the Baileigh Industrial WJ-58CNC Waterjet Cutting Machine ($123,585).


There’s a ton more to learn more about methods, use cases, and pros and cons of additive and subtractive manufacturing. How’d you like to have a handy at-a-glance 3D-Printing Methods Guide that you can print and put on your wall? Or a 3D-Printing Methods slide deck that further demystifies the various machine types and what they can do? Continue the journey, and find out which machine is best for your project. Happy making!

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Post By : Irfan Khan 

Servomotor v/s Stepper motor

Servomotor

A servomotor is a rotary actuator or linear actuator that allows for precise control of angular or linear position, velocity and acceleration.it consists of a suitable motor coupled to a sensor for position feedback. It also requires a relatively sophisticated controller, often a dedicated module designed specifically for use with servomotors.

servomotors are not a specific class of motor although the term servomotor is often used to refer to a motor suitable for use in a closed-loop control system.

Servomotors are used in application such as robotics, CNC machinery or automated manufacturing.

A stepper motor or step motor or stepping motor is a brush less DC electric motor that divides a full rotation into a number of equal steps. The motor's position can then be commanded to move and hold at one of these steps without any feedback sensor (an open-loop controller), as long as the motor are very large stepping motors with a reduced pole count and generally are closed-loop com mutated.

Advantages

1.Low Cost for control archived
2.high torque at startup and low speeds
3.Ruggedness
4.simplicity of construction
5.can operate in an open loop control system
6.low maintenance
7.less likely to stall or slip
8.Will work in any environment
9.Can be used in robotics in a wide scale.

Disadvantages

1.Require a dedicated control circuit
2.Use more current then D.C Motors
3.Torque Reduces at higher speeds

Servomotors Vs. Stepper Motors

A servomotor consumes power as it rotates to the commanded position but then The servomotor rests. Stepper motors run warm to the touch because they continue to consume power to lock in and hold the commanded position.

servomotors are generally used as a high performance alternative to the stepper motor. Stepper motors have some inherent ability to control position, as they have built-in output steps. This often allows them to be used as an open-loop position control, without any feedback encoder, as they drive signal specifies the number of steps of movement to rotate, but for this the controller needs to 'know' the position of the stepper motor on power up. therefore, on first power up, the controller will have to activate the stepper motor and turn it to a known position, e.g. until it activates an end limit switch. This can be observed when switching on an inkjet printer: the controller will move the ink jet carrier to the extreme left and right to establish the end positions. A servomotor will immediately turn to whatever angle the controller instructs it to, regardless of the initial position at power up.

The lack of feedback of a stepper motor limits its performance, as the stepper motor can only drive a load that is well within its capacity, otherwise missed steps under load may lead to positioning errors and the system may have to be restarted or re-calibrated. The encoder and controller of a servomotor are an additional cost, but they optimist the performance of the overall system (for all of speed , power and accuracy) relative to the capacity of the basic motor. with larger systems, where a powerful motor represents an increasing proportion of the system cost, servomotors have the advantage.

There has been increasing popularity in closed loop stepper motors in recent years.They act like servomotors but have some differences in their software control to get smooth motion. the top 3 manufacturers of closed loop stepper motor system employ magnetic encoders as their feedback device of choice due to low cost, and resistance to vibration the main benefit of a closed loop stepper motor is the cost to performance ratio. There is also no need to turn the PID controller on a closed loop stepper system saving time

Many application, such as laser cutting machines, may be offered in two ranges the low-priced range using stepper motors and the high-performance range using servomotors.

Control

Most modern servomotors are designed and supplied around a dedicated controller module from the same manufacturer. Controllers may also be developed around Micro controllers in order to reduce cost for large volume applications.

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Post By : Irfan khan

An All-In-One Robotic Laser cutter, 3D printer.

Makerarm Is An All-In-One Robotic laser Cutter, 3D Printer, Painter, Fabricator And Assembler

Makerarm is a robotic 3D Printer, laser cutter, Drawing and ink printer, Fabricator and assembly machine all rolled into one that fits on a desktop and promises to make pretty much anything- including an entire laptop(it milled us the Techcruch logo into a block of wood instead).

Glowforge, a 3D laser cutter comes close but only offers laser cutting. Makerbot brings quality 3D printing to the masses but does not include laser cutting or the other perks included in Makerarm.

The Machine also claims the ability to create the kind of high-quality objects normally reserved for more expensive models that can only do one of the tasks included in Makerarm. precision joints and high-powered lasers are built in to provide that kind of high-quality etching and carving and Makerarm's 3D printer claims to possess the largest work area (under 30" diameter) among 3D printers.

Co- founder Azam shahani told Techcruncch he created Makerarm after looking around and realizing therre wasn't a good all-in-one solution for what he wanted to do. His machine works in a similar fashion to other 3D printer and laser cutters. Creators pick and load designs to the machine and makerarm will go to work.

Makerarm is up on kick-starter, starting today. super early birds can pre-order it for $999, but the price will go up to $2199 for a full makerspace bundle after that.

we recently got a look at how Makerarm operates in our Techcrunch Studio (Hence the milled Techcrunch logo).Check out the video above with shanani to see what this machine can do.

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Post By: Irfan Khan