hand control on tig torch

[Rodsmachineshop]

Been working on a system to control amps that like a foot peddle so working on a set up you use your thumb like pushing a foot pedal . first proto type . already have the electronic part figured out

[X83]

I was thinking about making something myself with a 47K slide or thumb-wheel potentiometer but they're hard to find in a small enough size in the 1-watt range.

There are quite a few manufactures making the rotary types and thumb-wheel ones but most are for the larger torch sizes which are quite bulky IMO.

I'd like to find something compatible with the smaller WP-20 torch like the ones from Uni-Mig or ParWeld.

http://www.esseti.co.nz/uploads/products/162/files/XA26.pdf

http://www.parweld.ro/doc/4catalog.pdf

http://www.powerweldinc.com/files/powerweld/catalog/section3/Parweld Ergo-Tig.pdf

So what are all the different levers and which one is going to control your amperage settings?

[Rodsmachineshop]

they have them on ebay they use them in waawaa pedals use a 50k works better

[Rodsmachineshop]

made a box with the micro switch and potentiometer and it uses a bicycle cable to work the potentiometer

[Rodsmachineshop]

i dont like thumb wheels used them hard to work with a welding glove. the flat one you push with your thumb but found need to move the lower arms back so not in the way when holding torch. also though maby a gear and and slide so wont have anything stick down under torch. tried hooking to regular pedal and have pull pedal down but spring in pedal is to strong

[sportbike]

I was thinking about making something myself with a 47K slide or thumb-wheel potentiometer but they're hard to find in a small enough size in the 1-watt range.

There are quite a few manufactures making the rotary types and thumb-wheel ones but most are for the larger torch sizes which are quite bulky IMO.

I'd like to find something compatible with the smaller WP-20 torch like the ones from Uni-Mig or ParWeld.


So what are all the different levers and which one is going to control your amperage settings?

Everlast have a WP18 torch available with a rotary control built in. Also a WP26 air cooled (but that is big)