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CSFJ

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Honky Kong jr said:
I need a new chuck for my Buffalo drill press it’s either late 40s early 50s model it has Jacobs taper I believe that’s what it’s called the attachment nut broke because some halfwit put the wrong size chuck on and used electrical tape as a spacer. I’m not having any luck finding one kinda miss my drill press and refuse to buy a new **** one
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Bummer. Not familiar with the Buffalo hardware myself. I've got a couple of Craftsman presses from the early forties and fifties that were made by King Sealy.
 
Honky Kong jr

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CSFJ said:
Bummer. Not familiar with the Buffalo hardware myself. I've got a couple of Craftsman presses from the early forties and fifties that were made by King Sealy.
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This sucker has a counter weight and pulley set up for the return lol not sure if it’s original to it but it’s pretty cool
 
CSFJ

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Honky Kong jr said:
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This sucker has a counter weight and pulley set up for the return lol not sure if it’s original to it but it’s pretty cool
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lol. there appears to be a lot on that that wasn't original.
 
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This is the early fifties Craftsman model 100 that I redid a couple years ago


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I tracked down the adjustable pulley mechanism for the top after I got it done. I can run it from 300 rpm all the way up to 3750 rpm.

This one is from the early forties. From what I understand, they stopped production in '41 when the war started. It's next up for a reconditioning when I get a chance


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Honky Kong jr

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CSFJ said:
lol. there appears to be a lot on that that wasn't original.
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Yeah it’s been retard proofed with guards and stuff lol I really liked it then it broke now it sits there and mocks me
 
Jrgunn5150

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Honky Kong jr said:
I need a new chuck for my Buffalo drill press it’s either late 40s early 50s model it has Jacobs taper I believe that’s what it’s called the attachment nut broke because some halfwit put the wrong size chuck on and used electrical tape as a spacer. I’m not having any luck finding one kinda miss my drill press and refuse to buy a new **** one
Click to expand...


Be aware there are multiple Jacobs chuck sizes, they are common in the machining world.
 
Honky Kong jr

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Jrgunn5150 said:
Be aware there are multiple Jacobs chuck sizes, they are common in the machining world.
Click to expand...
Yes I know I guess Buffalo used a Jacobs taper and according to the dimensions I can’t match one up.:(
 
Jrgunn5150

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Honky Kong jr said:
Yes I know I guess Buffalo used a Jacobs taper and according to the dimensions I can’t match one up.:(
Click to expand...

There's a fair bit of variance within the sizes, and I haven't been a journeyman in a few years, but they go, JT0, JT1, Jt2, etc etc. Each one representing a size.

If it's a 3/8 chuck, it's probably a JT33 or JT6. There are also adapters to go to more modern tapers like R8 or MT3.

What are the dimensions you have now? I'll get my machinist handbook out and look it up.
 
Honky Kong jr

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Jrgunn5150 said:
There's a fair bit of variance within the sizes, and I haven't been a journeyman in a few years, but they go, JT0, JT1, Jt2, etc etc. Each one representing a size.

If it's a 3/8 chuck, it's probably a JT33 or JT6. There are also adapters to go to more modern tapers like R8 or MT3.

What are the dimensions you have now? I'll get my machinist handbook out and look it up.
Click to expand...
I will take a few and PM them to you
 
Honky Kong jr

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Jrgunn5150 said:
There's a fair bit of variance within the sizes, and I haven't been a journeyman in a few years, but they go, JT0, JT1, Jt2, etc etc. Each one representing a size.

If it's a 3/8 chuck, it's probably a JT33 or JT6. There are also adapters to go to more modern tapers like R8 or MT3.

What are the dimensions you have now? I'll get my machinist handbook out and look it up.
Click to expand...
You don’t have a start conversation button bottom of taper .4915” top of taper .5710 and total length of taper 1.0655
 
Jrgunn5150

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Honky Kong jr said:
You don’t have a start conversation button bottom of taper .4915” top of taper .5710 and total length of taper 1.0655
Click to expand...

Interesting, the closest one to that is the JT2 at top: 0.5590 bottom: 0.4876 Length: 0.88

Is it a threaded mount?
 
Honky Kong jr

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Jrgunn5150 said:
Interesting, the closest one to that is the JT2 at top: 0.5590 bottom: 0.4876 Length: 0.88

Is it a threaded mount?
Click to expand...
The chuck has a snap ring groove which holds the nut on and the nut pullls the chuck onto the taper
 
Honky Kong jr

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This is what was on it it’s a 633D but the taper is wrong
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This is interesting....
 
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