Surface grinding recoil lugs and stuff
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Surface grinding recoil lugs and stuff
I am thinking of investing in a small 3 phase surface grinder. I have used one in the past and do understand what they are and what they can do, however I equally know feck all about the things so do we have any surface grinder people on the forum? It will mostly be used for recoil lugs, flat firing pins and tooling and similar (I think!)
- North Star
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Re: Surface grinding recoil lugs and stuff
Look for a good used or rebuilt
Jones & Shipman 540. IMHO one of the best surface grinders ever made. There's still a lot of companies rebuilding these things!
Jones & Shipman 540. IMHO one of the best surface grinders ever made. There's still a lot of companies rebuilding these things!
Never take good advice, if you think you know better.
- Pippin89
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Re: Surface grinding recoil lugs and stuff
This... They are insanely cheap too!North Star wrote:Look for a good used or rebuilt
Jones & Shipman 540. IMHO one of the best surface grinders ever made. There's still a lot of companies rebuilding these things!
Re: Surface grinding recoil lugs and stuff
The J&S 540 looks to be a superb machine however the footprint is a bit big for my needs. I was thinking more along the lines of a Herbert Junior, so a small manual machine for little jobs.
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Re: Surface grinding recoil lugs and stuff
You need to be care full ---grinders work well on hard parts, but case hardenrd parts instantly deform if the case is removed from one side. Release the magnetic table and the part springs into the air!
Fred
Fred
Re: Surface grinding recoil lugs and stuff
I found this yesterday, a little Herbert Junior in really nice condition, just a bit dirty, it is a later model so has the oiler on the knee and has maybe a thou or two backlash on the X Axis which impressed me. Plan is to bring it home ASAP and get grinding.
Re: Surface grinding recoil lugs and stuff
That looks like it will scrub up well David.
- shugie
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Re: Surface grinding recoil lugs and stuff
I remember, just, being taught to use one of those at Hackney Tech, and a very clear warning about not winding the workpiece in too fast to avoid risk of fatal damage to the grinding wheel.Ovenpaa wrote:I found this yesterday, a little Herbert Junior in really nice condition, just a bit dirty, it is a later model so has the oiler on the knee and has maybe a thou or two backlash on the X Axis which impressed me. Plan is to bring it home ASAP and get grinding.
Careful now/that sort of thing
Re: Surface grinding recoil lugs and stuff
Avoiding fatal damage to myself is a higher priority! I did manage to launch one part with a surface grinder many years ago and for the wrong reason as well. I am currently trying to source a manual for the grinder for things like maximum feeds (My guess is .001") Oil types and general care. So if anyone knows of a manual I would be very grateful :)
Re: Surface grinding recoil lugs and stuff
Thank you, I reckon it will as well. We are both quite excited about it as I have been after one for ages. I took the Viking with me and she did like it, however she was far more interested in a Sunderland gear planer that weighed the thick end of 12 tons. I did ask her if she wanted to negotiate on the price of the grinder and she just shook her head and wandered off again.1066 wrote:That looks like it will scrub up well David.
Buy-in from the wife is always good when looking at machinery, biggest issue with mine is she usually finds something else to fill the transport up with. I know she was particularly intrigued by a little Cincinnati shaper which I wish I could buy, just so she could use it :)
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