Mounting a 5C Collet Chuck on a PM-1022V/PM-1030V

[erikmannie]

I’ll reach out on pm with complete dimensions if you can’t find them on the Bison website.

Thanks. I will look on the Bison website.

 

[erikmannie]

I did not find anything for DIN. I found plenty for the more common mounting systems (e.g. D1-4), but I don’t know what DIN spec I have.

I don’t understand DIN.

 

[erikmannie]

I found this quote from a thread on this forum:

“Here is what I was told by PM, "You can look up the specs for the back plate on the internet, It's a DIN 55027/55022. Also known as "Type C"".”

 

[matthewsx]

DIN 55027 Lathe Spindle Mounts

I don't see very much about these spindles but I suspect they are more common in the US than most of us think. When I got my Bolton 13x40 I just thought the chuck was bolted on but after doing some research I discovered this international standard that was apparently created by Russians and used...

www.hobby-machinist.com

 

[matthewsx]

Yeah, nothing on their website. But it is a type c.

 

[erikmannie]

Yeah, nothing on their website. But it is a type c.
View attachment 388111

I am sending you a PM because I would like to purchase that adapter.

 

[erikmannie]

A little off topic, but here is an archived link to a pdf catalog from 2012, before TMX and Bison parted ways:

https://www.toolmex.com/customer/docs/MegaCatalog/BisWorkRotaryCatalogRev.pdf

The adapter in Post #11 above is on page 514 of the catalog. See bottom line of screenshot below:



The adapters listed above are sized to a Bison 5C collet chuck with PN 7-862-0501.

 

[erikmannie]

As far as (replacement) studs for the adapter plate, I found this:

Bison

www.bison-america.com

Screenshot:



It seems like it would be easy to buy the wrong stud. There are thread sizes (e.g. M120), as well as taper sizes (e.g. taper size 11).

I don’t understand where the taper is.

 

[erikmannie]

The description of studs above says that 6 studs are needed.

The screenshots below from eBay show a set of 3. This seems more applicable to a PM-1022V or PM-1030V lathe.

The DIN spec is more difficult to buy studs for than camlock pins used in, e.g, a D1 standard lathe chuck.

 

[KevinM]

I found this quote from a thread on this forum:

“Here is what I was told by PM, "You can look up the specs for the back plate on the internet, It's a DIN 55027/55022. Also known as "Type C"".”

I searched for hours to find a backplate when PM was out of stock. I found nothing except the Grizzly backplate ( as mentioned in thread that you referenced earlier) that needs to be modified to work correctly.