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PM 835S Power Drawbar

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wvnitroman

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#1
So, has anyone installed a power drawbar on a PM 835S? Why would anyone want a power drawbar you ask? The first "big" project I'm doing is going to require an end mill and a drill bit for each step. It is a very odd shaped part and when I get it where I want it I don't want to move it until the job is completed. A power drawbar will save me a ton of time since I'll need a collet for one step and a drill chuck for the other. If you have installed a power drawbar on a 835S I would appreciate some pictures and information. TIA!!!

God Bless,
Kevin
 

dfsmoto

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#2
I would also like to design or buy one. Most likely buy because I am using my 835 at my business now and am plenty busy. I was leaning towards the torque rite from Maxi.
 

dfsmoto

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#3
I was going to call them this week to see what would fit that particular machine.
 

P. Waller

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#4
I work in a shop that has 5 mills with Kurt power draw bars, 3 are R8 spindle Bridgeport and 2 are CAT 40 spindle Trak.

They work well and last for years, the draw bars have to be replaced on occasion, the small 7/16 threads on the BP's more often then the 5/8-11 40 taper machines. They are fairly loud in use being just an air impact wrench without the square drive.

https://www.mscdirect.com/industrialtools/kurt-power-drawbar-accessories.html
 

Silverbullet

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#5
Ck YouTube for many home built and factory models. Some are easy to do .
 

mksj

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#6
Huge time saver for multiple operations. I do have two integrated R8 chucks (one keyed the other is keyless) that have low TIR and I often use for multiple cutters, but just can't beat a power drawbar. Prior to going that route I used my ER-32 collet system.

I use the Maxi Torque-Rite on my mill, very happy with it and takes about 30 minutes to install. Comes with everything you need to install including the regulator and lubricating oil. Might give them a call as they can make custom drawbars, etc. The price is pretty much the same between vendors. Noise wise it is quieter than my air tools, I did find that if you have a wimpy air compressor, it may not have enough air flow for it to work properly. AT least it was a good excuse to get a bigger compressor.

Being 5' 7" it would be a joke for me to manually do the drawbar, and probably fall off the step stool I would need.
 
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