Jet 6 x 18 Surface Grinder

rdhem2 · Jul 14, 2017

I was given a Jet 6 x 18 Surface Grinder because the new owner of a small machine shop had two bozos helping him rearrange the shop. The grinder took a tumble from a fork lift and broke a few pieces which I have managed to repair. No matter where I look Jet does not list this grinder in their catalog anymore or show they even ever produced it. I even tried Vintage Machinery.

My question is about a piece of spring steel tape that came from under the table. It has what appears to be adjustable screw weights on each end and I can not figure out what it is for. Any hints or ideas? This is why I would love to track down a parts manual with a parts diagram.

ANY IDEAS OUT THERE ?

Monarchist · Jul 14, 2017

rdhem2 said:
My question is about a piece of spring steel tape that came from under the table. It has what appears to be adjustable screw weights on each end and I can not figure out what it is for. Any hints or ideas?

Not a huge mystery. MANY SG's used a steel band for traversal of the table and/or for setting reversal points. Others used woven cable. Simply kept CLEAN, either can be smoother at any given cost than rack & pinion, and a good deal cheaper than hydraulics.

Look closer. If you got this far? All the "manual" you need should be the machine itself.

Precise and repeatable a SG needs to be.

Complicated, not so much.

moonlight machine · Jul 14, 2017

rdhem2 said:
I was given a Jet 6 x 18 Surface Grinder because the new owner of a small machine shop had two bozos helping him rearrange the shop. The grinder took a tumble from a fork lift and broke a few pieces which I have managed to repair. No matter where I look Jet does not list this grinder in their catalog anymore or show they even ever produced it. I even tried Vintage Machinery.

My question is about a piece of spring steel tape that came from under the table. It has what appears to be adjustable screw weights on each end and I can not figure out what it is for. Any hints or ideas? This is why I would love to track down a parts manual with a parts diagram.

ANY IDEAS OUT THERE ?

Are you sure it is not the bit that moves the table left to right? I have seen grinders that had spring steel strips wrapped around the shaft turned by the left to right handle. One to each side of the table with a threaded adjuster to remove any slack.

michiganbuck · Jul 14, 2017

You may find it in the manual

Might free download the manual...I don't have time now to look for that part..Looks like a fair grinder..I don't care for ball ways but many like them.yes some top machines have balls.

Parts List: Saddle And Base Assembly - Jet JPSG-618M1 Operating Instructions And Parts Manual [Page 22]

rdhem2 · Jul 17, 2017

Thank you Gents, you have all been a great help.

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