PM-836S

[Hunter9173]

I’m having trouble finding info on this PM-836S. I spoke with Precision Matthews on the phone and they told me they never sold a PM-836S. They did say however they prototyped a PM-836S and decided not to go with it. After they were done with the machine they sold it off on Ebay.

If anyone knows who made this mill please let me know so I can track down some info. If more photos are needed I can get them.

 

[7milesup]

May I ask why?
It was one prototype for PM which is now floating around there somewhere. Why not go with a current model?
As far as who makes it, Precision Matthews contracts to factories in China or Taiwan for them to manufacture products to PM's specs. Matt (from PM) has a very close hand in how the mfgs work with him. Some of his products are unique to PM, as in the PM833 I believe is a PM offering only. I am probably wrong but I am sticking with it.

 

[Hunter9173]

Because I have it. It seems like a good machine just generally curious about it. Also I don’t see any oiler cups, grease/oil fittings on the machine. Any ideas?

 

[macardoso]

Well that's pretty cool. I think you're stuck working with PM to get the info. I bet they never published it. It is probably their prerogative to decide if they want to provide you with design documentation for a "product" that they never sold. This might become an undocumented machine that you'll need to learn the workings of yourself.

 

[Hunter9173]

That was I was thinking but figure I would throw it out there to see if there was more than one made. Wanted to pick their brains. From the pictures do you see where I would add oil for the spindle?

I’m very green to machine work and know very little but have always wanted to learn. I figure just diving in head first as I’m a hands on person.

 

[7milesup]

Sorry. I thought you were looking for one/it. My apologies.
Nice looking mill there.

 

[wrmiller]

That was I was thinking but figure I would throw it out there to see if there was more than one made. Wanted to pick their brains. From the pictures do you see where I would add oil for the spindle?

I’m very green to machine work and know very little but have always wanted to learn. I figure just diving in head first as I’m a hands on person.

Most machines like this (including my PM935) hold the spindle in greased bearings. There is no oil in the head.

It does look like a nice little mill, but as others have said, you may be on your own here. Sounds like you should be up for it though.

 

[Hunter9173]

Thank you for the info on the spindle. I’m thinking about taking it apart to know how it works. Are there any articles I can read about general knowledge to know about when taking a machine apart?

Usually I just take a bunch of photos to remember how to put it back together correctly.

 

[mksj]

No reason to take it apart if there is not any problems, the bearings are greased so should last many hours and the mill looks lightly used. If the bearings need to be repacked, using the proper grease and not over packing the bearings is important. If I recall it is something like 30% or slightly less. It looks like a one off prototype or they get in models to evaluate and then sell. I have seen a few other one-off machines that they have sold.

 

[macardoso]

I'd message PM (@qualitymachinetools) on here to see if they be willing to give you a little support in good faith. They might not have manuals or anything like that made for a product they never sold, but there might be some assembly drawings, exploded parts diagrams, or something along those lines to help you out.