Information on Stanton Reversing Switch needed

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Information on Stanton Reversing Switch needed

This topic has 9 replies, 5 voices, and was last updated 1 October 2010 at 11:23 by john swift 1.

Viewing 10 posts - 1 through 10 (of 10 total)

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29 September 2010 at 13:06 #11702
paul hardwick
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@paulhardwick90870
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29 September 2010 at 13:06 #56249
paul hardwick
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@paulhardwick90870
Hi all i am trying to fit a Stanton switch as used by Myford/Raglan lathes to a Myford Super 7 and i cant find a wiring diagram i wondered if anyone could help me please??

Cheers Paul.
29 September 2010 at 15:10 #56251
Engine Builder
Participant
@enginebuilder
I think this may be same as the Dewherst switch. If it is I can help.

The Dewherst has 8 terminals , 4 on each side. Switch is operated by 4 position lever with round knob , off , forwards, off, reverse. D shape when veiwed from the top.
29 September 2010 at 15:43 #56252
john swift 1
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@johnswift1
Hi Paul

I expect the switch to be a “cam” switch

made from a stack of sections

comprising of two single pole swiches that make on alternate positions

depending on the version , a link may be allready installed

linking both switches to form a single pole double throw switch

the net result the swich can be wired as a two pole double throw switch

you can use to swop two of the phases on a three phase motor

or the connections to one of the windings on a single phase motor

hope the pictures help

John

Edited By john swift 1 on 29/09/2010 15:54:28

Edited By john swift 1 on 29/09/2010 16:01:48

Edited By john swift 1 on 29/09/2010 16:06:10
30 September 2010 at 00:42 #56279
paul hardwick
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@paulhardwick90870
Thanks for the pics and help John.

Regards Paul.
30 September 2010 at 17:35 #56289
john swift 1
Participant
@johnswift1
Hi Paul

extra diagrams for forward stop and reverse control

with cam switches and drum switches

I’m sure one should match your switch ?

John

Edited By john swift 1 on 30/09/2010 17:38:17

Edited By john swift 1 on 30/09/2010 17:41:13
1 October 2010 at 00:21 #56306
paul hardwick
Participant
@paulhardwick90870
Hi John i will print these off and thankyou very much for your help, it hasnt helped having obscure motors with no diagrams as to start/run windings etc, however i have got it up and running on a Dewhurst i have spare, (i cant really see much point in running a lathe in reverse, unless we are staking bets on how long before the chuck flies OFF). Once again many thanks, its things like this that refresh my loving the net!!

Kind Regards Paul.
1 October 2010 at 10:15 #56313
John Olsen
Participant
@johnolsen79199
Actually a good reverse is very handy, in the right situations. I have a Newton Tesla controller on mine, and use the reverse instead of trying to get the screwcutting indicator right. The AC motor controllers are good because they have a controlled slow acceleration, so they don’t tend to make the chuck unscrew from inertia. You can go slow forward while cutting, so you don’t overrun the end, and go back fast to save time. But if course not quite as cheap as a simple switch!

regards

John
1 October 2010 at 10:28 #56317
KWIL
Participant
@kwil
Interestingly I thought it was a Santon Switch and so it is in the Myford S7 Manual.
1 October 2010 at 11:23 #56322
john swift 1
Participant
@johnswift1
Hi Paul ,

just spotted an error on the last picture

the top diagram , in the forward direction two of the phases are short circuited

to reverse your motor you can reverse the connections to any one of the windings

while the diagrams show the start winding connections being reversed

you can switch the run winding if it is easier

John

Edited By john swift 1 on 01/10/2010 11:24:00
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