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| Lathe mounted slotting attachment |
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| Manxmodder:
I have a lever operated capstan attachment which came as part of the accessories for my L6 Harrison. I have,on a couple of occasions, considered fitting an indexable boring head to one of the turret sockets and using it as a lathe bed slotter. It would involve disabling the automatic rotary indexer mechanism,but I think the idea has merit......OZ. |
| Spurry:
--- Quote from: krv3000 on December 22, 2016, 05:29:04 PM ---its coming a long --- End quote --- Albeit...slowly :thumbup: --- Quote from: Manxmodder on December 24, 2016, 06:48:57 AM ---I have a lever operated capstan attachment which came as part of the accessories for my L6 Harrison. I have,on a couple of occasions, considered fitting an indexable boring head to one of the turret sockets and using it as a lathe bed slotter. It would involve disabling the automatic rotary indexer mechanism,but I think the idea has merit......OZ. --- End quote --- That mechanism looks as it would make a very nice slotting unit. I have never seen anything like that for my Harrison M250. Pete |
| Manxmodder:
The design for the M300 is more traditional with the capstan wheel to operate it and the turret set at an angle. Here's a photo of one for an M300....OZ. |
| Spurry:
A little more progress today. Project was stalled for the lack of a 21.50mm drill. Ordered one which came after Christmas. Then I saw a cheaper one 27/32" on EB so bought that too. When I mounted the 21.50mm drill today, the parallel section at the end of the flutes was eccentric by what looked like a millimetre, so not much good. Fortunate that I had the other one, which worked perfectly,(in the same 5MT-3MT and 3MT-2MT adapters) As I had to use the lathe for other jobs, I had removed the body from the top-slide. Before doing so, I measured the carriage to cross slide distance and wrote it on the top. This gave me a good start to ensure a concentric hole with the existing 21.00mm bore. Followed by the 22mm reamer and trial fitting of the 22mm ram. TBC Pete |
| Spurry:
The ram pivot caused me a few problems, experimenting with either machining the 10mm hole, slot, or thread first. eventually ended up with a usable one. (1) The collection of bits (2) Ram assembly complete (3) Pete |
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