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My PM45M-PDF

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darkzero

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I'm new here & I'm liking it here so far so I plan to stick around for a while if you'll have me. I didn't do the introduction thing so I'll consider this post as it. :)

Found this place after I just got a new mill of my own. The only vertical mills I have used are Bridgeports at the local college & I'm excited to have my own now. It's a PM45M with power down feed. Just got it standing this past Friday.


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As usual Matt's great to deal with & he hooked my up with some extras.
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Some other stuff from GMT & Bison/TMX
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The riser & built for it.
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Here it is standing next to my PM1236 that I got in 2009.
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Thanks for looking.

Will

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Blackhawk

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Re: My First Mill - PM45M-PDF

That's a real nice setup you have, that is a much nicer looking mill than my dm-45.
rob
 

Ray C

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Re: My First Mill - PM45M-PDF

Hi. Welcome...

I've got the same mill and like it a lot. It's served me well in the last couple years. I'd suggest that after a couple months, change the oil in the gearbox. Sometimes the sand comes out of the castings and flushing it out is a good thing to do. I presume you got it from Matt and he recommends 68 or 100 ISO hydraulic oil which is what I use.

Ray
 

tripletap3

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Re: My First Mill - PM45M-PDF

:drink:Congrats on the mill and glad to have you here. I have enjoyed your PM1236 posts on the CP forum while I have been waiting on a PM1236. It's been almost a year but it is in and is supposed to ship from QMT next week. I was getting ready to order the same PM45 when I came across a steal on Craigslist for a older knee mill that looks like the grizzly G0730.
 

OakRidgeGuy

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Re: My First Mill - PM45M-PDF

My next mill will be more than likely one of those as well..
 

tripletap3

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Re: My First Mill - PM45M-PDF

My next mill will be more than likely one of those as well..
Did you ever look at that post about the Starrett level? If you wanted to try to fix it I will give it to you.
 

darkzero

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Re: My First Mill - PM45M-PDF

Thanks everyone!

Hi. Welcome...

I've got the same mill and like it a lot. It's served me well in the last couple years. I'd suggest that after a couple months, change the oil in the gearbox. Sometimes the sand comes out of the castings and flushing it out is a good thing to do. I presume you got it from Matt and he recommends 68 or 100 ISO hydraulic oil which is what I use.

Ray
Thanks for the info Ray. Like my lathe, I will be changing the oil after running through each gear for 10 mins or so. I'll probabaly do that this weekend. I'll be using Mobil DTE ISO 68 as well as I still have a couple of gallons left. Do you remember roughly how much oil it holds?

:drink:Congrats on the mill and glad to have you here. I have enjoyed your PM1236 posts on the CP forum while I have been waiting on a PM1236. It's been almost a year but it is in and is supposed to ship from QMT next week. I was getting ready to order the same PM45 when I came across a steal on Craigslist for a older knee mill that looks like the grizzly G0730.
Thanks! If there's any info/details I can help with the lathe I'll be more than happy to.
 

OakRidgeGuy

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Re: My First Mill - PM45M-PDF

Question, how do you feel about the quality of the table that came with the lathe?
 

darkzero

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Re: My First Mill - PM45M-PDF

Question, how do you feel about the quality of the table that came with the lathe?
Not sure what you mean, were you talking about the stand & chip pan for the lathe or the compound slide table for the mill?
 

darkzero

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Re: My First Mill - PM45M-PDF

Both the stand for the lathe & mill have the same construction & IMO they lack quality. They're not cast iron which would be nice but they do the job. I wish I had a pul out chip tray rather than just the chip pan. It's annoying sometimes when it get full of swarf.

The 12x36 is still considered a bench top lathe & others have used their own benches to mount the lathe on. But I have no plans on changing the stand for the lathe because of the spindle foot brake. The foot brack assy is in the left side base & goes through the chip pan. The right side houses the coolant pump/tank which I don't use (not yet anyway). The section in the middle is just a cover & serves no purpose other than cosmetic.

The Grizzly stands for their lathes seem to look nicer but I've never actually seen one in person. If I did not have a foot brack I'd probably think about mounting the lathe on a bench with drawers under for storage.


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The quality of the stand that I received for my mill is worse than my lathe. The door hinges bind & the welds aren't good at all. But again it does the job. The mill stand also has a door in the rear to house the coolant pump/tank. Why they choose to paint the inside that ugly yellow beats the hell out of me. I repainted the whole thing though inside & out.

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OakRidgeGuy

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Re: My First Mill - PM45M-PDF

Thank you for the feedback on the stands.. I am thinking about later next year of getting one of the PM lathes.. and I was truly curious about the quality of the stands.. I have a friend that is a welder.. might have him make me one and not worry about the one that Matt has.. though, I could possibly make a work station out of it..

Doc
 

darkzero

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Re: My First Mill - PM45M-PDF

No problem. I'm not sure if it's worth the trouble to go and make a new stand for it. Unless you had one ready to go or wanted to add storage underneath. The middle cover can be unbolted & some drawers could installed there. I've been thinking to cut out the chip pan & installed a pull out chip tray there. But that's a lot of work, maybe some day.
 

darkzero

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Re: My First Mill - PM45M-PDF

My mill originally had a DRO installed but since I ordered it without they took it off. Matt offered me an unbelieveable deal on the 3 axis DRO that came off my mill & I'd be an idiot for passing on such a steal. Better for me as all I had to do is bolt it back on & align it. And I'll be able to just change the display later.



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sanddan

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Re: My First Mill - PM45M-PDF

Do you have any pictures of the x-axis without the splash shield installed? I am wondering how the cross slide chip shield clears the reader head. I mounted my x-axis in the same place but haven't figured out the chip shield yet.
 

darkzero

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Re: My First Mill - PM45M-PDF

Do you have any pictures of the x-axis without the splash shield installed? I am wondering how the cross slide chip shield clears the reader head. I mounted my x-axis in the same place but haven't figured out the chip shield yet.
I needed to retap one of the holes this morning so here's a couple of pics. I was stumped at first too where to mount the read head when I first mounted the scale. Then when I removed the chip guard & saw the two holes for the read head, I then knew what these two mysterious spacers were for.


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sanddan

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Re: My First Mill - PM45M-PDF

Thanks for the pictures, I like the way that's mounted. I might have to trim my splash shield but that's not a big deal.

Thanks again.
 

Ray C

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Re: My First Mill - PM45M-PDF

Here's a thought if you don't mind... Before you trim those splash shields, consider installing a little piece of something to cover the ends. I used a piece of vinyl that happened to be around and used silicone glue to hold it. It's been sticking there for 2 years. Also, I put a bead of silicone along the seam where it contacts the table. -Makes a nice rain gutter and nothing at all gets on the sensors.


Ray


Thanks for the pictures, I like the way that's mounted. I might have to trim my splash shield but that's not a big deal.

Thanks again.
DRO Shield.JPG
 

514Ford

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Re: My First Mill - PM45M-PDF

I am looking at a pm45. In fact If Matt had one in stock it would be ordered by now. Your pictures and post are helping me decide what to do. Thanks
 

darkzero

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Re: My First Mill - PM45M-PDF

I am looking at a pm45. In fact If Matt had one in stock it would be ordered by now. Your pictures and post are helping me decide what to do. Thanks
I'm loving it so far but I'm so limited on tooling right now to put it to real use. I am happy I went with a dovetail column though that's for sure. Matt sent me a pic showing that new ones will have a quill DRO option. The one in the pic he sent me is blue now & no longer all white.
 

darkzero

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Re: My First Mill - PM45M-PDF

The drawbar that came with my mill is a piece of junk. the 7/16" thread was cut so poorly I don't think I could have copied the quality it if i tried to. It doesn't thread into an arbor smoothly & the whole draw bar wobbles bad. The metric thread on top was so loose, makes me wonder if I could thread a SAE nut on it! It works but I wanted to make a replacement for it. Nothing complicated but here's how I made it.


Here's what I started out with, 1/2" 1144 & hardened flange nuts.
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Threaded the 7/16"-20.
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Then threaded M10 & M12. This is the first time I have single pointed metric threads. It sucks not being able to use the half nuts & thread dial.
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Here's the replacement next to the old. Luckily for me the 1144 bar I got was undersize so it just barely fits through my spindle, no need to turn it down.
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Turned down the flanges on the nuts. The M12 nut (19mm hex) was turned down so the spline wrench could pass over it. The M10 nut (17mm) was turned down so the 19mm wrench could pass over it. I also faced the bottom of the M12 nut's flange to ensure it was nicely perpendicular to the thread. I'm using a double sided 17mm x 19mm ratchet wrench.
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Used a roll pin to secure the top nut.
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Here's the new one next to the old one. I'm very happy with the way it turned out. Very smooth & no more wobbles!
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514Ford

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Re: My First Mill - PM45M-PDF

Very Nice!!!!!!!!

Matt was talking about quite a few changes when I spoke with him.
 

darkzero

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Re: My First Mill - PM45M-PDF

Very Nice!!!!!!!!

Matt was talking about quite a few changes when I spoke with him.
Thanks!

Please share! :))
 

514Ford

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Re: My First Mill - PM45M-PDF

There was a discussion of a ballscrew option with either manual cranks or brackets for cnc and talk of adding more weight and a few other things. Dont know if he wants all his plans spread around lol
 

darkzero

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Re: My First Mill - PM45M-PDF

There was a discussion of a ballscrew option with either manual cranks or brackets for cnc and talk of adding more weight and a few other things. Dont know if he wants all his plans spread around lol
True that, didn't think of that. He did mention to me about a CNC version though.
 

darkzero

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Re: My First Mill - PM45M-PDF

I received the bracket from Matt last week that comes on the non power downfeed model so I was able to finish my quill DRO installation. Man does life suck without it!


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Here's what I started out with. Rather than using a long bolt with a nut on the other end for the bracket clamp, I tapped threads on one end & drilled the hole larger on the other end for the bolt to pass through.
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Here I am starting on the mount. I miscalculated & ended up not having to make it as big as I originally thought but at least I didn't have to start over.
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Here I am making a 1" x 0.1" washer for the M6 bolt. Also showing how I like to catch parts whenever it has a through hole.
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The finished mount.
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I get a full 5" of quill travel. Can't wait to put it to good use!
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I found a pretty great match for paint for my PM1236 in a rattle can. I was trying to match the paint for the mill & surprisingly it matches my lathe pretty damn good. This is what I used to paint the quill bracket. I'll probably repaint the mill using this in the future slowly parts at a time. The finish on my mill is not that great but oh well.
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Thanks for looking!

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tripletap3

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Re: My First Mill - PM45M-PDF

That is the exact paint I used to repaint my JET drill press. Be carefull it comes out of the can a warp 10 and goes everywhere.
 

darkzero

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Re: My First Mill - PM45M-PDF

That is the exact paint I used to repaint my JET drill press. Be carefull it comes out of the can a warp 10 and goes everywhere.
Haha, thanks for the warning! My left arm is white right now but that's because it was windy when I was painting it. But yeah, I don't like the tips that come on most Rustoleums. I guess that's what the 2X coverage claim is. It did work out good when I painted the gray on the stand & chip tray but the large white tips won't allow you to use a gun trigger attachment. I'm too lazy these days to use a spray gun, throwing a can away is so much easier!
 

woodrowm

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Re: My First Mill - PM45M-PDF

Good afternoon - I am planning on buying the PM-45 mill in the near future. The stand you made for the base looks great by chance could you post the plans for it.

Thanks,
Woodrow
 
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