In most cases a single solid whack will seat it just fine. You don't need to pound the material like you are driving nails. If your stock is above the pivot point created by the ball then your stock will be pushed up instead of down. This will put more stock in contact with the vise jaws and help to pull it down onto the parallels. Always use the shortest parallels you can get away with to keep the pivot point of that ball above the center of your stock. this is designed to pull the stock (material to be machined) down against the parallels but it will only work if your stock is deep enough into the vise. One thing to remember is that the kurt vises have a ball mount behind the movable jaw.
#Accurate 4 jaw pin vise how to#
Is 1.5 thou expected? If so, how do you compensate? If not, any guidance on how to tune up a Kurt vice? If I went ape, could make it rise a bit more. Then I put the dial indicator on the end of the 1-2-3 block near the movable jaw and clamped down. I got what I paid for ^) Switched to some nice adjustable parallels adjusted then measured with a micrometer.ĭid the 1-2-3 block trick again and found everything was in the same plane +/- 0.00025, this is way better than I expected. Put the indicator on the spindle and ran the tip around edge on top of the block by moving the table.įound one of my cheap parallels is taller than the other by 0.0003. I put a 1-2-3 block on parallels in the vice but did not clamp it down. I checked the ways of the vice were parallel to the travel of the table. I checked the vice was trammed to the table I could get things flat, but getting the sides square wasn't happening. I was practicing squaring up a block of aluminum. I watched a few You Tube video's about squaring up stock (Tom's Techniques was pretty good). I decided that I'm tired of that routine and wanted to be closer to getting it right. Which really means I had to compensate later on the project to deal with the out of square stock. I would get close and call it done and move on. I've been a hobbist for a while and have always struggled to get a block squared up.
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