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Hemingway Dynamic Toolpost Grinder

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Nick Hughes10/01/2019 19:49:10
172 forum posts
13 photos

I've had this kit for about 9 months and finally made a start on Jan 1st 2019.

First off the outer cover, clamped down lightly on 3 blocks, to machine the bosses.


After machining the bosses, the 3 blocks are clamped to the machine table and then the inverted cover stuck on to them with superglue


The joint face was then machined down to the drawing dimension, using 0.5mm/0.020" cuts and some breath holding


The inner cover was machined in a similar way, but no need for any superglue this time on the second face




As most of the holes in the inner cover are dimensioned using Polar Coordinates, I used the DRO functions for these and again to mill the radius slot.

This meant that (even though I have both a CNC mill and a 10" Rotary table for this manual mill) only the one setup was required.


More to come!





Edited By Nick Hughes on 10/01/2019 19:51:08

Neil Wyatt11/01/2019 12:54:16
15237 forum posts
648 photos
72 articles


Mark Gould 111/01/2019 19:45:42
71 forum posts
29 photos

Progress looks good so far Nick, keep 'em coming

Nick Hughes15/01/2019 10:42:47
172 forum posts
13 photos

Last Saturday mornings initial hand work:-

Fettled the Inner Cover cast appeture (this is slightly out of position, but not enough to cause a problem). The two 3.2mm drills, are just acting as temporary aliignment dowels between the two covers and will be replaced once the covers are painted,

20190115_100909 (2).jpg

Then the Outer Cover (Removed the Logo, to make painting easier),

20190115_100844 (2).jpg

Followed by dressing the assembled covers,


There's a bit more work to do and some dinks to fill before painting. This will be done when all the remaining castings are machined.and finished to the same level.

Edited By Nick Hughes on 15/01/2019 11:10:35

Nick Hughes21/01/2019 17:35:34
172 forum posts
13 photos

Started on the Spindle Housing this afternoon.

Only had enough time to rough bore though:-



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