How to Automate Industrial Welding Positioners with Arduino -- Episode 566

In this episode we are looking at a couple of welding positioners that I worked on. Retrofitting one from an old lost PLC to arduino, and another built from scratch. Both of these devices are designed for use with a TIG welder. The rotary positioner puts the work where you need it, and the linear positioner holds the torch and moves it in a precise line to get perfect dimes!

Bill of Material:

Product Name	Manufacturer	Quantity	Buy Kit
Arduino UNO	Arduino	2	Buy Now
Toggle Switch	EATON	2	Buy Now
Rotary Encoder	Bourns	1	Buy Now
Power Supply	XP Power	2	Buy Now

Additional Parts:

3v Relay Module

8ch Optoisolator

NEMA 34 Stepper Motor

NEMA 32 Stepper Motor Driver

20x4 I2C LCD Display Module

Arduino UNO Screw Terminal Breakout Board

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DAB over 3 years ago

Hi Kaleb,

Did you try ferrite beads on the Arduino inputs?

When I worked on putting devices on aircraft, we had a similar EMI issue, and the ferrite beads did wonders at attenuating the pulses.
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KalebTheMaker over 3 years ago in reply to DAB

Hi DAB,

Sorry, I replied to this yesterday but it didn't save...

I did put ferrite beads on the multi-conductor wire from the pendant, but not on each individual conductor. Is that what you mean?

-Kaleb
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DAB over 3 years ago in reply to KalebTheMaker

Yes, you have to use them for every wire going into and out of the computer.
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DAB over 3 years ago in reply to KalebTheMaker

Yes, you have to use them for every wire going into and out of the computer.
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