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Differential Screw Vise Jaws

Here I show using differential screws or insert clamp screws to hold vise jaws in place. Also show backwards part off techniques for making the left hand threaded inserts and making the aluminum soft jaws. Paypal donation https://www.paypal.com/cgi-bin/webscr... Support through Patreon   / robrenz   I am "robinrenzetti" Instagram lots more content there! Great video synopsis by brs_workshop "Shop Notes"* • Inspired to use soft jaws by Tom Lipton's Baby Bullet vise build:    • Wilton Baby Bullet Build   • Explains differential screw terminology • Explains how this design is adapted to a typical vise jaw • Uses 10-32 clamping/differential set screw. McMasterCarr: https://www.mcmaster.com/#set-screws/... • Parting with a collet-stop in the Hardinge. Collet-stop made to accomodate pip left from parting. Holding the part by hand to prevent whipping (not recommended). • Drilling and tapping the LH thread in the insert • Cool-Tool 2 + Tetrahedral Boron Nitride Unfortunately, Cool Tool 2 can't be sold in California. Also, I didn't find an immediate source of tetrahedral Boron Nitride. McMasterCarr: https://www.mcmaster.com/#cool-tool-i... • Overview of collet indexing head and modifications made to it. • Fitting the screw slot • Quick introduction to the Rollin EF-1459 and modifications. Instagram post of further depthstop mod: https://www.instagram.com/p/BVDJ-0aAo... Rollin's website: http://www.rollinsaw.com/band_saws/EF... I've used one of these. They are the only real competitor to Marvel saws. While I thought it was a good tool, I had some complaints. Most of which are addressed by Rob's mods. • Cutting and flattening the Al stock • Gang milling an odd setup. • There's a call-out of the 11R Vise-Grips but I cannot make out the change. This Instgram post seems to explain it: https://www.instagram.com/p/BYzGmVmg3... • Note on getting a better finish from insert teeth on the inside on a face mill if the work is smaller than the cutting diameter. • Overview of the Chamfer-Meister, aka the most over-built attachment a Craftsman belt sander has ever seen. • Drilling and tapping the Al soft jaws. • Tip about LPS-3 corrosion inhibitor Amazon: https://www.amazon.com/LPS-Premier-Ru... KBC Tool: http://www.kbctools.com/products/FLUI... • Blue Moly links: McMasterCarr: https://www.mcmaster.com/#bostik-neve... Amazon: https://www.amazon.com/Never-Seez-NBB... • Shows a thin sine bar with hollow rolls attached by the RH/LH screws. Also, shows fixture it was designed for and gives demonstration of the fixture's various configurations.    • Differential Screw Vise Jaws   *Not affiliated with any manufacturer or distributor. Links just for reference.