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Merlin valve seat grinder and fuel injector lapping machine

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Nick Clarke 108/03/2010 14:41:50
20 forum posts
6 photos
 

 

Hi there
 Has anyone come across a machine like this before? (see photo) It has 3 crompton motors, 1 to drive the grinding head, 1 to drive the workhead and 1 to drive the lapping plate. The workhead on my example has 2 pratt burnard 5 inch scroll chucks mounted on it and swivrls on a mounting that is graduated in degrees. This assembly can bev moved longitudally along the bed via a leadscrew. the grinding head has 2 wheels (one on each end) and moves across the bed. It also has a coolant system supplied by a gearwheel type pump.
The machine is of 1970's vintage and is in perfect condition. I have a notion to convert it to another use, any ideas? the photos are scanned from the manual, I will post better ones when I get my camera fixed.

Edited By Katy Purvis on 01/06/2015 09:45:05

Circlip08/03/2010 15:10:21
1723 forum posts
Set up refurbing fuel injectors Nick, the price they charge for a "Replacement injector" makes it viable in these recessionary times. Last saw one used 45 years ago when we used to REPAIR  things.
 
  Regards  Ian.
Nick Clarke 108/03/2010 15:20:40
20 forum posts
6 photos
Many thanks, however,I wouldn't have a clue how to start, instruction manual a bit vague in places.
Keith Long08/03/2010 15:53:00
883 forum posts
11 photos
With the various drives and motions available to you I'd have thought you could have sharpened or made just about any cutters on it and given them a mirror finish to precise size on the lapping plate. Should also be able to do cylindrical grinding probably  small scale surface grinding as well.
Nick Clarke 108/03/2010 16:00:42
20 forum posts
6 photos
Thanks for your suggestions, I shall have a go, as a relative newcomer to this hobby I will need to do some research into tool and cutter making
Nick Clarke 108/03/2010 16:00:55
20 forum posts
6 photos
Thanks for your suggestions, I shall have a go, as a relative newcomer to this hobby I will need to do some research into tool and cutter making
Nick Clarke 108/03/2010 16:01:27
20 forum posts
6 photos
Thanks for your suggestions, I shall have a go, as a relative newcomer to this hobby I will need to do some research into tool and cutter making
David Clark 108/03/2010 18:29:05
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3357 forum posts
112 photos
10 articles
test
David Clark 108/03/2010 18:29:33
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3357 forum posts
112 photos
10 articles
test
Nick Clarke 108/03/2010 19:07:52
20 forum posts
6 photos
How do you remove posts? I dont know how 3 copys got there, althrough there was an error message at the time of posting
Nick Clarke 108/03/2010 19:09:03
20 forum posts
6 photos
How do you remove posts? I dont know how 3 copys got there, althrough there was an error message at the time of posting. Just got the same error message.

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