Where Can I Get Thread Grinding Wheels?

strantor

strantor

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I don't know what it's actually called. I've googled everything I can think of:
"thread grinding wheel" .. "disk" ..."plate"
"bevel grinding disk"
"60 degree grinding plate"
and just about anything else.

I can't find anything like that for sale. Any leads?
 
You don't buy them, you make them. Take any 1/4" wide wheel and dress the end to a 60* angle using a diamond dresser.

Thread grinding on a mill? I don't recommend that......
 
Thread grinding is a very specialised process and it is not recommended for DIY's. In industrial practice the thread form is "crushed" into the grinding wheel with a special thread form roller. I suppose a DIYer could grind a thread but with a "single" form wheel crest. the wheel is not going to last very long and the thread form produced will not be very accurate.
 
Andre said:
You don't buy them, you make them. Take any 1/4" wide wheel and dress the end to a 60* angle using a diamond dresser.

Thread grinding on a mill? I don't recommend that......
Click to expand...
Please explain this.
 
Andre said:
You don't buy them, you make them. Take any 1/4" wide wheel and dress the end to a 60* angle using a diamond dresser.
Click to expand...
I considered that, but it seems to me that if you can so easily form the grinding wheel, the grinding wheel will quickly unform itself when you start using it. So I was looking for a diamond brazed type wheel that doesn't wear away (as much).
Andre said:
Thread grinding on a mill? I don't recommend that......
Click to expand...
No my plans are for the lathe. A tool post grinder angled to the thread pitch.
 
strantor said:
I considered that, but it seems to me that if you can so easily form the grinding wheel, the grinding wheel will quickly unform itself when you start using it. So I was looking for a diamond brazed type wheel that doesn't wear away (as much).

No my plans are for the lathe. A tool post grinder angled to the thread pitch.
Click to expand...
Norton makes diamond thread grinding wheels, search for Norton Paradigm thread grinding. You are not likely to find pricing listed online as this is a very specialized field, you will most likely have to contact a vendor and describe what material, thread form, pitch, grinding machinery that you are planing to use and number of parts required from said tool, this will not be inexpensive.

However if you are determined to grind threads and have a good deal of time and patience there is no reason that you can not dress a wheel with a 60° included angle with a simple dresser and grind away until finished. This is single point lathe threading only much slower and more setup intensive.
Good Luck
 
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