Milling attachment offset base for SB9a

S

Sarpen

Plastic

Joined

Jan 8, 2012

Location

Scotland

• Mar 3, 2012

• #1

Hi guys I was thinking on picking up or machining an offset base for my milling attachment. I have had the attachment since I got the lathe and it is like brand new as it has never been used. If I need to mill anything its just way easier to do it at work on a Bridgeport. Just thought it may be a worthwhile accessory for the 1943 model lathe. So my question is is it worth the effort for those of you who have done some milling on a 9a?

Thanks.

 

Last edited: Mar 3, 2012

aametalmaster

Diamond

Joined

Jan 11, 2005

Location

Salem, Ohio

• Mar 3, 2012

• #2

I made the base from 5/8"x4" steel barstock for my ball turner and see the on ebay for the milling attachment but i don't think its worth the 189 bucks they are asking but it did take some time to make mine. I have a drawing...Bob

 

S

Sarpen

Plastic

Joined

Jan 8, 2012

Location

Scotland

• Mar 3, 2012

• #3

aametalmaster said:

I made the base from 5/8"x4" steel barstock for my ball turner and see the on ebay for the milling attachment but i don't think its worth the 189 bucks they are asking but it did take some time to make mine. I have a drawing...Bob

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Woe!! $189..... I will PM you my email address for the drawing if thats OK. I have a spare set of shoes and it looks straight forward enough to make in two parts out of round bar and flat bar. Thanks for getting back to me.

Steve

 

A

atwatterkent

Cast Iron

Joined

Nov 3, 2006

Location

Kankakee, Illinois

• Mar 3, 2012

• #4

I made one for my 9" & 10K and found it so useful that I made a similar adapter for my Sheldon. I am now able to use my SB milling attachment on all my lathes. Very handy.

 

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S

Sarpen

Plastic

Joined

Jan 8, 2012

Location

Scotland

• Mar 4, 2012

• #5

atwatterkent said:

I made one for my 9" & 10K and found it so useful that I made a similar adapter for my Sheldon. I am now able to use my SB milling attachment on all my lathes. Very handy.

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Cool, nice accessory and handy to be able to use your SB milling attachment on different lathes. I imagine as far as rigidity goes light cuts and small cutters are the order of the day on a small lathe. aametalmaster sent me a link to his Southbend page where he has a drawing of an offset base plus a ball turning tool. Well worth a look, I think I will make them both as we can never have to much tooling even if it is only used occasionally lol.

Thanks for replying

Steve

 

aametalmaster

Diamond

Joined

Jan 11, 2005

Location

Salem, Ohio

• Mar 4, 2012

• #6

Post #20 http://www.practicalmachinist.com/vb/south-bend-lathes/ball-turning-tool-plans-needed-238995/ has the offset base from SBL and the 2nd pic is from my ball turner. They are almost the same except mine is a tad longer and 189 bucks cheaper. But i guess the time to make it adds up but thats why i have machines...Bob

 

A

atwatterkent

Cast Iron

Joined

Nov 3, 2006

Location

Kankakee, Illinois

• Mar 4, 2012

• #7

Just found pics of the one I made.

I made the spud to be a press fit into the plate then heated the plate and put the spud in the freezer for an hour before assembly. Next, I drilled and pinned the spud into the plate and ground to a smooth finish. Never had a problem with it loosening up. I really never used it much thoughas I have a BP & Hardinge horizontal mill except as a mounting for a shop made indexer and a SB dividing center attachment.

 

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A

atwatterkent

Cast Iron

Joined

Nov 3, 2006

Location

Kankakee, Illinois

• Mar 4, 2012

• #8

Ball turner

As for a ball turner, I adapted an old design I saw to fit a 9" or 10K compound. A removable pin, shown, is set on the pivot point so by turning a ring the dia of the ball I want and slipping it over the pin, it's easy to adjust the tool bit to the exact dia of the ball or radius to be cut.

 

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J

Jbonez

Aluminum

Joined

Jul 7, 2016

• Nov 3, 2016

• #9

Do any of you know where to get drawing of the offset base for sb9?

 

aametalmaster

Diamond

Joined

Jan 11, 2005

Location

Salem, Ohio

• Nov 3, 2016

• #10

Jbonez said:

Do any of you know where to get drawing of the offset base for sb9?

Click to expand...

Here is one I used. You can shorten it to suit...Bob

 

aametalmaster

Diamond

Joined

Jan 11, 2005

Location

Salem, Ohio

• Nov 3, 2016

• #11

 

B

bensid54

Plastic

Joined

Jan 28, 2017

• Feb 19, 2017

• #12

what do you need an offset base for?

I have the SB milling attachment and wondered where it went into, now I know. My question is why do you want an offset base for the milling attachment?