Home Made Pin Press-Saved $275

adammichael

adammichael

Joined
Sep 13, 2004
Messages
1,553
I saw a pin press in a knife supply catalog for abaut $300. Thats crazy!!!
I decided to make my oen for about $25. Its good to have a Bridgeport
I have to turn the anvils out of A2 and harden them. Can you get a hamon with A2?;) The whole unit bolts together. The rams were made with some 1.5 x 1.5 sq. bar that I had left over from the 3 tooling arms I made for my KMG. The base plate is 7" x 10" x 1" Very solid unit

Let me know what you think.
 

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I use my vise.

Why would you want to differentially treat A2? It has its highest impact strength at HRC 60.
 
adammichael said:
.......
Let me know what you think.
Click to expand...

I think it's gonna rain.

I also think you're gonna be real sad the day you have to start paying for that "project" steel again.

I don't even have to think about it to see you did a fine job with that.:thumbup:

Would that be a hamon, Indiana or a hamon rye? Tell me a little more and I'll see if I can help. :D

Nice Bridgeport! For a moment it seemed like you'd put a DRO on your pin press! :)
 
well,, I think it's upside down:D :D and I'm sure you won't have to bolt it to the ground to transfer the pressure to the treaded rods :confused: :p

Nice job Mike.. but did you lose your taps and dies..
threaded rod has stress points written all over it you know..:p :D
 
:p
Dan Gray said:
well,, I think it's upside down:D :D and I'm sure you won't have to bolt it to the ground to transfer the pressure to the treaded rods :confused: :p

Nice job Mike.. but did you lose your taps and dies..
threaded rod has stress points written all over it you know..:p :D
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OH my God! Here we go again.
I know if I dont bolt it to the bench it will float up when I use it, Its 8 tons pushing straight up, right Dan? See, I learned something from all the posts you made in my forging press thread:D

I was going to name this thread " whats your dream pin press" but I didnt want to be a smart a$$.:jerkit: :p
 
fitzo said:
I think it's gonna rain.

I also think you're gonna be real sad the day you have to start paying for that "project" steel again.

I don't even have to think about it to see you did a fine job with that.:thumbup:

Would that be a hamon, Indiana or a hamon rye? Tell me a little more and I'll see if I can help. :D

Nice Bridgeport! For a moment it seemed like you'd put a DRO on your pin press! :)
Click to expand...

DRO on a pin press? HMMMMMMM..... What size motor and pump do I need for this thing Michael?
 
I'm thinking more along the lines of a 4 ton stepper actuator and digi control through a laptop. See, I'm thinking if you interface your Solidworks design with a CAM, it'll know exactly how much to push the pin, right? Just a couple extra pieces and it could put the pins in the holes and index itself. :p
 
fitzo said:
I'm thinking more along the lines of a 4 ton stepper actuator and digi control through a laptop. See, I'm thinking if you interface your Solidworks design with a CAM, it'll know exactly how much to push the pin, right? Just a couple extra pieces and it could put the pins in the holes and index itself. :p
Click to expand...

Sounds great but let me check with Dan before I do anything that complex.;) Last I heard there was "stress in them there rods"
 
I suppose, as the pitch of your rod changes, your nuts will loosen and the whole thing will come apart.

See, you should'a asked first.... ;)
 
fitzo said:
I suppose, as the pitch of your rod changes, your nuts will loosen and the whole thing will come apart.

See, you should'a asked first.... ;)
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I'll have to ask my Wife about that. She's been in charge of my nuts for the last 10 years.
 
I just have two plates on my big bench vice. I put the knife between the plates, and give the vice a lot of torque while I hit the vice mass with a hammer. Each time you hit, you can feel the handle move as it squishes. Seems to make nice evenly squished pinheads...but yours is nicer looking.
 
C'mon guys, you're clearly missing the reason for building this. We all know we should NEVER use an existing general tool for a specialized job. You NEED a specialty tool. Otherwise, how could we justify buying more tools to the wife? :D

-d
 
you guys crack me up, haha
duh.gif
http://www.experiencesolutions.co.uk/empathygap/wp-content/uploads/2006/04/duh.gif
 
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