D1-3 spindle nose adaptor

Hi Anthony,

Happy New year!

Drop me a private message and I’ll send you some information that others in the forum have helped me out with in making my own adapter.

cheers,

Mark

Looking (unsuccesfully) for a source of D1-3 cams I stumbled upon this thread.

I have been making myself a D1-4 adaptor for my milling machine. I had extra castings made. Due to messing up I have:

1) A D1-3 adaptor that was a fallback when I machined a D1-4 too small. This should be all ready to go, except that it has no cams:

The raw casting was £36 from AJD and I have a few hours of work in it, so I would be hoping to get £75 plus postage for it.

2) A mirror-image D1-4 adaptor. This is what you get when you machine the radial holes 90 degrees out. This probably means that it won't even work with the pins reversed, as the angle between the holes should be 15.6 degrees but is in fact. 14.4 degrees. But you could still hold a chuck down with toe-clamps, and use it simply as a support and/or positioning device.

This can be had free for the price of postage.

Edited By Andy Pugh on 10/05/2021 22:58:47

A long time ago (10 years or so), JFK Precision in US listed all the fiddly bits for D-series spindles.

Gate and XYZ list D1-4 in the UK. D1-3 seems rarer.

https://spares.xyzmachinetools.com/KeywordSearchResults.asp?searchCategories=0&keyword=D1-4&Submit=Search

https://www.gatemachinery.com/product/cam-d1-4/

Hi,

I'm going to resurrect this thread too, for two reasons.

Firstly, I found this thread when searching for dimensions of the D1-3 chuck spindle cams because I need to machine a replacement cam for the spindle on my recently acquired Colchester Chipmaster lathe. Some heathen bashed on it and ruined the square key hole in an obvious effort to free a stuck chuck.

I have been debating the best method to free this and remove the chuck, but that is something for another post.

Secondly, I love the OP's fixture for mounting a camlock chuck on a rotary table and other places. I must have one for myself.

So if anyone was lucky enough to obtain a copy of the cam drawings and perhaps if the originator of the original design is willing to share the design I'd be greatly appreciative.

Camlock spindles are outlined in two International Standards, ISO702-1 and ISO702-2, so a good starting point for a search would be to use the term 'ISO702-1 pdf' or 'ISO702-2 pdf' in a duck or a duck going near you.

Should you feel particularly flush, you can buy ASA/ASME B5.9 for $39 from ASME:

https://www.asme.org/codes-standards/find-codes-standards/b5-9-spindle-noses-tool-room-lathes-engine-lathes-turret-lathes-automatic-lathes

Check PM John.

Regards Ian.

It's ISO 702-2 that has dimensions / drawings for Cams and Studs.

In UK, your local library may have on-line access to British Standards to allow you to view this for free (though cuts have meant that some library services no longer subscribe).

John, I had a worn cam on my Bantam, the square was worn out, and I found out that Boxford sell the same cams, but with a hexagon socket instead of a square. I bought a set of 3 and no problem. However, Boxford were very reluctant to sell me them, once I said they were for a Colchester. I had to jump through some hoops to get them to sell them to me, and then they said I could not return them. I imagine they may have had complaints over the socket being hex instead of square. I would swap out the 3, and get a tee handled wrench.

Chris Gunn

I made a Y-shaped wrench for my three different things (2 squares and a hex)

There is a D1-4 model here based on the ISO standard: http://a360.co/2ot1Hr0 (ignore the extra mounting holes for my 4th axis)