FILENAMES: toolgauge01.jpg DESCRIPTION: This is a lathe tool grinding gage. Posted by Tom Wait . The following description was provided: ================================================================= I've sent a scanned drawing to the dropbox of the tool in question. I made this thing in gunsmith school as a required project. I havn't used it in 18 years. I promised mine to Amma. Everyone else has to make thier own. ;-) Look for toolgage01. Hope it arrives. It's my first upload to the dropbox. Tom "Mike Henry" wrote in message news:9vmc1501ho9@enews2.newsguy.com... > > "Amma Miller" wrote in message > news:8fwS7.348$f9.14095@eagle.america.net... > > There used to be on the market a little metal gage which had notches cut > > into it at various angles to use to grind lathe ( and other) tool bits. It > > resembled a center gage but was kind of a pyramid with the top cut off. > > J&L, MSC and others don't seem to have them any more. Has anyone seen these > > gages lately? I would like to have one if I can find it. > > I've got two aids for grinding lathe bits. One by South Bend that is > stamped out of flat sheet and is trapezoidally shaped with the sides at > angles suitable for steel or cast iron clearance angles. The other is a > sort of bevel gage/protractor by Warney & Swasey and with a diagram and > table of angles for HSS bits on one side and with a set of diagrams showing > how to use the gage for various rake and clearance angles on the other. > > The latter was probably a give-away by W&S and is labeled "Cutter Grinding > Gauge", which might be good search criteria on eBay. > > South Bend also sold a sort of grinding jig for lathe bits for use on a > pedestal grinder (I assume). Just a chunk of steel with a slot for the bit > and set screws to hold a blank in place while grinding the bit. Looks like > it was designed to present the bit to the wheel at the appropriate angles. > They show up on eBay from time to time but command higher prices than I've > been willing to pay.