On 15 Oct 2006 05:00:25 -0700, "Matty F" wrote:

|Dave Fawthrop wrote:
| On 15 Oct 2006 03:29:37 -0700, "Matty F" wrote:
|
| |Dave Fawthrop wrote:
| | On 15 Oct 2006 01:55:22 -0700, "Matty F" wrote:
| |
| | |What is the recommended way to hold threaded galvanised steel rod in a
| | |vise so that the thread is not damaged?
| |
| | What I was taught in the Apprentice School, long long ago. Drill a hole a
| | piece of sheet which is several threads deep, tap with the appropriate
| | thread. Hacksaw through the tapped hole. Put your threaded rod through
| | the tapped hole, hold the sheet in the vice.
| |
| | IIRC I still have the screw clamps I made there unfortunately, Whitworth or
| | BFS & BA. The ones they made us make had several tapped holes in a line,
| | sawn through and a large hole with 1/8 of metal round it to make the clamp
| | flexible enough to allow threaded rod to be inserted.
| |
| | Hope that is understandable ;-)
| |
| |Actually it's not!
| |Why do you need to hacksaw through the tapped hole?
|
| So the rod/bolt is held rigidly when held in the vice.
|
| |Does the sheet remain flat?
|
| It has to be several threads deep the ones we made was 1/8 thick sheet
|
| |Do you put a nut on each side of the sheet, or what stops the rod
| |rotating?
|
| The vice pressure stops the rod rotating,
|
|Is your piece of sheet very narrow, and looking rather like a nut with
|a cut through one side?

The piece I made was about 1 inch wide by 4 inches long by 1/8 inch wide

|In which case why not just use a nut?

It worked better than a nut because flexible curve at the end allowed the
threads to open and close easily. and had four taped holes. I have
searched for it but failed to find it, so you will have to make do with
ASCII art.


flexible metal round hole vice here
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Large round hole four threaded hole different sizes

--
Dave Fawthrop dave hyphenologist co uk Google Groups is IME the *worst*
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