Tool boat sizes?

Tool boat sizes?

This topic has 4 replies, 3 voices, and was last updated 8 January 2020 at 19:55 by Peter Bell.

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8 January 2020 at 09:35 #445222
Peter Bell
Participant
@peterbell11509
Hello, These were bought a few years ago at stationary engine rally. However they turned out to be bigger than the ones used I use on my lathe, they looked the same at the time!

Can anyone suggest what size or type they are?

Thanks Peter
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8 January 2020 at 09:35 #19580
Peter Bell
Participant
@peterbell11509
8 January 2020 at 09:49 #445226
Bill Davies 2
Participant
@billdavies2
Hi, Peter.

If it is a Dickson toolholder, the following table may help:

Dickson toolholders http://www.lathes.co.uk/latheparts/page13.html

And some previous dialogue here, including other brands:

Earlier posting https://www.model-engineer.co.uk/forums/postings.asp?th=123597

Bill
8 January 2020 at 17:54 #445336
JohnF
Participant
@johnf59703
Peter, I reckon these are a pretty large size if i am reading the tape properly it would suggest they are S4 size tool post ?

Have a look here **LINK**

John
8 January 2020 at 19:55 #445367
Peter Bell
Participant
@peterbell11509
Hi Bill & John,

Thanks for your help. It looks like it is bigger than an S4 (147mm) as its 160mm long but the tool appature is right at 38mm.

The S5 looks like it has a tool appature of 44mm from the lathes data.

None of the data found so far gives the "V" locating dimentions that go onto the tool post.

Wondered if it was an S4 with a slightly longer body? Wondered if anyone had an S4 to measure the fitting dimention?

Peter
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