Hi Rick
Attached is a very rough drawing.We called them slide hammers and
normally made to do one job but then found to be handy for 101 jobs.
Basically a bar thread both ends ,dead stop fitted one end ,a slide piece and
ends to suit.With different ends drilled to take different sized screws.
Round ends to remove bearings and oil seals.
The same idea was used to hold bolts for turning The slide was fixed in a
chuck then the end cap screwed on to hold the bolt.Used this method to make
locating bolts on shafting were the end thread was removed to make a locating
peg.
Mikeafloat
________________________________
From: Rick Sparber <rgsparber@aol.com>
To: gingery_machines@yahoogroups.com
Sent: Mon, 28 February, 2011 23:41:21
Subject: RE: [gingery_machines] new article available: A Different Kind of Screw
Vise
Michael,
I think I see what you are saying but don't understand why you needed the
blind cap. Couldn't you just use a nut?
Rick
-----Original Message-----
From: gingery_machines@yahoogroups.com
[mailto:gingery_machines@yahoogroups.com] On Behalf Of michael broadbent
Sent: Monday, February 28, 2011 9:32 AM
To: gingery_machines@yahoogroups.com
Subject: Re: [gingery_machines] new article available: A Different Kind of
Screw Vise
Hi,
We used slide hammers for removing threaded metal dowels.The principle
was
similar to your vice but no milling was involved.A bar was threaded about
40mm
and blind caps were turned to fit ,the base being drilled to be a clearance
on
different thread sizes.The resulting tool could be used to hold screws to
grind
tapers by hand.The next mod was to use it in a lathe chuck.Care had to be
taken
but it was possible to do light machining.
Mikeafloat
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