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X Axis power feed on Emco copy using a wiper motor

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petro1head07/01/2017 15:38:09
244 forum posts
35 photos

Just finished the first part on my X Axis power feed for my mill, Next task will be the PWM and finding a suitable power supply, any suggestions?

 

Edited By petro1head on 07/01/2017 15:44:15

Stuart Bridger07/01/2017 15:58:16
142 forum posts
4 photos

Nice work!

John Haine07/01/2017 16:24:45
1260 forum posts
86 photos

There have been a couple of threads here on power supplies and speed controls for fine feed. A quick approach is to go to your local Maplin's and buy an MFA speed controller and a suitable 12V supply - look at them online.

ian j07/01/2017 16:27:34
avatar
189 forum posts
170 photos

Looks very good,

What make/model is the vice on the milling table? How do rate it?

Ian

petro1head07/01/2017 16:43:30
244 forum posts
35 photos
Posted by ian j on 07/01/2017 16:27:34:

Looks very good,

What make/model is the vice on the milling table? How do rate it?

Ian

I think I got it from Warco. Its 75mm jaw and opens about 70mm. To be honest it does not open wide enough for me so may be looking to replace it with this - http://www.chronos.ltd.uk/cgi-bin/sh000001.pl?WD=vice&PN=Engineering_Menu_TWV_Swivel_Milling_Vices_93%2ehtml#a110012

Edited By petro1head on 07/01/2017 16:51:03

Ajohnw07/01/2017 17:27:35
3641 forum posts
160 photos
Posted by petro1head on 07/01/2017 16:43:30:
Posted by ian j on 07/01/2017 16:27:34:

Looks very good,

What make/model is the vice on the milling table? How do rate it?

Ian

I think I got it from Warco. Its 75mm jaw and opens about 70mm. To be honest it does not open wide enough for me so may be looking to replace it with this - **LINK**

Edited By petro1head on 07/01/2017 16:51:03

Personally I would look at the similar ones that can be used on or off the swivel base to give max headroom when the swivel isn't needed.

If I thought you could collect from B'ham I'd also mention that I have one virtually unused that I want to sell at some point. I think Arc do them too. There are several ways of holding things on some of them.

John

-

peak407/01/2017 17:44:19
avatar
185 forum posts
15 photos

It's rather nearer than the prototype lashup I did for power cross feed for my Myford S7.

That is still in use as I never did get round to making it permanent, but as a "Temporary" power supply I used a transformer box, with built in rehostat, originally designed for model railway use. I think mine's a Hornby, but its in the other workshop at the moment. To be fair, the motor is smaller than your wiper motor off a car, so I'd suggest measuring the current draw on yours first.

The other thought I had, when it came to developing the design for the Dore-Westbury Mill, was to incorporate a 12v clutch from a car air conditioning compressor.

Edited By peak4 on 07/01/2017 17:50:23

martin perman07/01/2017 17:51:05
avatar
883 forum posts
20 photos

Nice to see somebody getting something done that I have wanted to do for years, I've had the parts around me for ages but as ever I never seem to get around to it.

Martin P

petro1head07/01/2017 17:51:55
244 forum posts
35 photos
Posted by Ajohnw on 07/01/2017 17:27:35:
Posted by petro1head on 07/01/2017 16:43:30:
Posted by ian j on 07/01/2017 16:27:34:

Looks very good,

What make/model is the vice on the milling table? How do rate it?

Ian

I think I got it from Warco. Its 75mm jaw and opens about 70mm. To be honest it does not open wide enough for me so may be looking to replace it with this - **LINK**

Edited By petro1head on 07/01/2017 16:51:03

Personally I would look at the similar ones that can be used on or off the swivel base to give max headroom when the swivel isn't needed.

If I thought you could collect from B'ham I'd also mention that I have one virtually unused that I want to sell at some point. I think Arc do them too. There are several ways of holding things on some of them.

John

-

Like this? **LINK**

Actually the one I lined to can also be used without the swivel base as I have the smaller version

Edited By petro1head on 07/01/2017 18:01:53

petro1head07/01/2017 18:03:18
244 forum posts
35 photos

Posted by martin perman on 07/01/2017 17:51:05:

Nice to see somebody getting something done that I have wanted to do for years, I've had the parts around me for ages but as ever I never seem to get around to it.

Martin P

Thanks, I am also considering doing the same to the Z axis

martin perman07/01/2017 18:10:31
avatar
883 forum posts
20 photos

Z as in vertical or crosswise, either would be interesting as you would still need to retain a manual function, or not.

Martin P

petro1head10/01/2017 18:44:41
244 forum posts
35 photos

Now completed the project, here is part 2

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