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Re: Gear reduction for real Bull lathe.


Jerry Durand
 

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On 05/19/2013 11:10 AM, John Lindo wrote:
Jerry
I have something?lodged?in the back of my brain, that?I have read somewhere not to swap the wires.
I am no electronics boff,and tend to leave PCB's etc well alone.If I don't see it move,I tend to leave it to experts in?their?field.
Maybe you or other members can spread more light on this.
Also I never really got from the forum many months ago,a reasonable answer as to why when the switch on the control box is turned to reverse,?
the Real Bull lathes run slower.
Siegs I believe do not seem to have that problem.
The idler set up is no show stopper at the moment,and fits into the total package nicely.
John L
Spain.


Some brush type motors are built with the brushes offset to make them run better in forward.? I haven't taken my motor apart but from what I gather the typical Seig motor has centered brushes and other than a short wear-in they don't care which way they go.

As to some running slower in reverse, see above to protect some motors.? Also, they might do that since you're probably just backing up between threading cuts.

-- 
Jerry Durand, Durand Interstellar, Inc.  
tel: +1 408 356-3886, USA toll free: 1 866 356-3886
Skype:  jerrydurand 

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