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Indexers for S7 and ML7

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PETER ROACH	20/02/2022 16:12:45
50 forum posts 25 photos	Based on the chuck removal lock primarily for the ML7 Addison Gray and myself have developed a simple indexing devices for the ML7 and S7. These use the principle of a sine bar and maths small angle approximation to make it easy to rotate and set the spindle to any angle. Intended as a marking out and drilling aid, not for milling, requires no drilling or holes to affix and no calculations, since one turn = one degree. Peter
Hopper	21/02/2022 04:56:32
7881 forum posts 397 photos	One turn of what? How does it work? Do you have a pic of it in place on the machine being used? Looks quite intriguing. Enquiring minds want to know. You could probably sell a few of those if people knew what it did.
PETER ROACH	21/02/2022 07:27:40
50 forum posts 25 photos	Hopper, One turn of the jacking screw. Is slid on to the bull wheel and enables the bull wheel to be rotated by amounts less the the tooth to tooth angle. Works using the principle of a sine bar and using the maths of small angle approximation. So that the need to use a calculator or trig tables is not required. A have sold a few, versions for ML7 and S7.
Neil Lickfold	21/02/2022 07:41:35
1025 forum posts 204 photos	What a good Idea. What are the details to buy one please. Thanks , Neil Lickfold
PETER ROACH	21/02/2022 08:05:41
50 forum posts 25 photos	Neil, sent you a message, Else email me on [email protected] and I can give you full details Peter
Hopper	21/02/2022 09:03:38
7881 forum posts 397 photos	Yes clever idea indeed. Thanks for the details.

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