Re: [CAD_CAM_EDM_DRO] Re:Bridgeport Boss steppers

The biggest problem I. Had when I did my upgrade was the motors were different thus required different wiring.

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On Nov 2, 2012, at 8:50 AM, "timgoldstein" <timg@...> wrote:

> My experience is the original steppers with the stock finned stepper motors and a Gecko drive were negative. The old stepper boss controls were well know to have failures that would result in the motors becoming partially demagnetized. I am not aware of a way to check the motors other than to connect them up and see what they will do. With Bridgett (my Series 2 Bridgeport) I found one of the motors to have this condition. It would stall and had no torque. For the motors that we still functional, it worked but performance was very much on the slow side.
>
> With the modern NEMA 34 motors you can get in the 1000+ in/oz range you would be far better off replacing the obsolete technology by making a flange adaptor and a motor stub adaptor. Performance will be far superior and you will not have to worry about trying to figure out what is going on with partially demagnetized motors. I did this for a while and it work great. Ended up upgrading to servos and Gecko step and direction servo drives with adapter flanges to make the motors fit and a stub shaft on the end of the motor so I could use the same pulleys. Been running that way for about 10 years not without any issues.
>
> Tim Goldstein
> A2Z Corp
> 3955 S Mariposa St
> Englewood CO 80110
> P 720 833-9300 M-F 10-5 Mountain
>
> www.A2ZCorp.us/store
> Table Top Machine upgrade and accessory specialist.
> 5% off Taig every day.
>
>


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