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[4]

My new Benchmaster

January Project of the Month [3]
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Bellwether

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#1
I braved going into San Francisco yesterday to pic up this early benchmaster that I found on CL. It's a nice machine, the ways are tight, and it purrs like a kitten. It came with a couple of vises, a full set of collets, miscellaneous mills, and a complete clamp set. It also has the big square base that, from pictures that I've seen, doesn't seem too common? It didn't come with the belt guard either so I'll need to find one...if that's possible. This is my first mill, so now I just need to learn how to use it!

DSC_0825.JPG DSC_0826.JPG DSC_0827.JPG
 

Bellwether

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#3
Thanks, guys. The knee moves fairly easily from the bottom up to about 3/4 of the way up. After that it's nearly too tight to turn. I suppose there's no way to fix this without making the lower 3/4 of the travel loose, is there?
 

Ben

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#4
Wow!! Great score finding that on the west coast!! I am so jealous
 

Bellwether

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#5
It sounds like you may have a bent lead screw on the Z axis? I would think this would be a fairly common issue with these mills considering the leadscrew extends so far below the machine when the table is at its lowest position.

Shawn
You think so? I thought it might be that the machined surface up at the top of the travel was tight from such little use and vice versa for where it moved easily. It does have all of the original machine marks from the factory at the top. I'll check on that though, Thanks for the input.
 

Bellwether

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#6
How would I go about fixing the lead screw, beat it straight, try to find a new one, or is there another option?
 

7HC

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#8
How would I go about fixing the lead screw, beat it straight, try to find a new one, or is there another option?
If you want to straighten it, use a press and 'V' blocks, otherwise I'd replace it. An item with threads rarely responds well to being beaten (even if you have a fully equipped dungeon to do it in). :))

M
 

iron man

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#9
I just made a new one when I modified my GO727 I also increased the diameter so bending would not be an issue. There easy to make or you can buy acme threaded rod weld a slug on the end and machine down what you need.. Ray
 

Bellwether

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#10
If you want to straighten it, use a press and 'V' blocks, otherwise I'd replace it. An item with threads rarely responds well to being beaten (even if you have a fully equipped dungeon to do it in). :))
Ha ha! I suppose I didn't mean to literally beat it, just straighten it one way or another and your way sounds like the right way. Thank you.
M
I suppose I didn't mean to literally beat it, just straighten it one way or another and your way sounds like the ticket. Thank you.
I just made a new one when I modified my GO727 I also increased the diameter so bending would not be an issue. There easy to make or you can buy acme threaded rod weld a slug on the end and machine down what you need.. Ray
That sounds like a good idea, too. I'll have to look into making one if need be. Thanks fellas!
 

Bellwether

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#11
Ok, I got the problem fixed. I took the knee off to examine the screw under it, and it turns out the problem was a combination of hardened grease in the threads and damaged threads. I got the grease all cleaned out and took a file to the threads to clean them up and voila,easy movement from top to bottom!
 

Smudgemo

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#12
Nice! Mine is a horizontal like Shawn's, and I've found that it gets a ton of use in spite of also having a lathe and vertical mill available. And to think I almost didn't bother with even going five miles to take a look...
 

itsme_Bernie

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#13
Ok, I got the problem fixed. I took the knee off to examine the screw under it, and it turns out the problem was a combination of hardened grease in the threads and damaged threads. I got the grease all cleaned out and took a file to the threads to clean them up and voila,easy movement from top to bottom!
Good for you! Much easier fix than a mallet or a scraper!

Beautiful mill there- very hard to find out east here, since they were made and distributed out west by you.

Bernie
 

LJP

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#14

Nice looking machine! I think the size is great. Did you get a deal?
 

Bellwether

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#15
Thanks guys! Yes, it is a very neat little mill. Since I'm completely green to this I've just been tinkering on it and getting used to the way it behaves. I also just won a 6" benchmaster rotary table on ebay to match the mill. Does anybody know anything about the base on my machine. I've only seen one other base like mine. Maybe it was a rarely bought accessory?

Bernie- seems that they're fairly hard to find out here too. I've been looking for a while and this is the only one I was able to find.

LJP- I think I got a fair deal. $750 for the mill, a couple of crappy vises, a full set of collets, a clamp set that is the wrong size and a handful of various mills.
 

Bellwether

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#16
Well I finally had a chance to clean the little mill up yesterday. I took apart the table, cleaned and scrubbed all of the muck, goo, grease, chips, and hardened goop of of everything and boy what a difference! The X and Y moves smoothly and with very little effort. I love my little machine even more. One of these days I'm going to take it apart and repaint it, too, but them it'll be too pretty to use! Still looking for a belt guard for this ,too, in case anybody has any leads on one.

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rhino

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#17
Go to vintagemachinery.org and message member 'dereknlee'. He had a helmet cast at a local foundry (Washington state) that looks perfect. No details on price in the post.

BTW, I home my MV1 turns out half as nice as yours!
 

matthew-s

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#20
Gosh. That looks great. And yeah, that base is massive!

I hope you don't mind me asking on your thread, but has anyone who owns/owned one of these also owned a seig x2 class mill as well?

How do they compare from a work envelope/practicality/usability perspective?

The Benchmasters don't seem to come up for sale very often.
 
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