![]() ![]() I rushed this one, the next few will be much better, but it works! To use them the bit is suspended at the collet's opening, the collet has been machined / reamed just shy of the desired diameter, the collet is heated, it expands, and the cutter slips into place. These are easy to make, they have great holding strength and run very true. Looking at the collet system they use at my day job, I decided to make a shrink-fit collet, 1/8th of an inch. ![]() so, as it sat I had to make a collet, actually I'll make several, but today it was just one. Probably unique to the manufacturer, Preis, but if anybody recognizes it, please let me know. I got it assembled fine, but it only came with one collet, and that is of a tapered variety. Then there is the pantograph I bought in parts a while back. I had a few extra days off this last week, but before I could start any work, I decided that I had to do some spring cleaning. This piece will be used upside down and greatly trimmed when its time to assemble all the components to make the chassis front cross member. The marks are "short-hand" to myself of areas that need more attention. This last picture is of the Copper sheet formed over my Steel pattern, with a sheet cut and prepared to be formed. One half of my front cross member is done, now, on to the other half.Įvery night this week I've worked a little more and a little more on trueing up my Steel hammer-form. Made a paper pattern and included cuts in Copper sheet, annealed and done. Maybe anĪ few days later, I've made a hammer-form of steel. Mold, into which I will pour aluminum, and / or a low temp. The problem is the orientation of the grain, and that the grain is a rather open one.Īll is not lost, and this will be used to make a I did see this happening, -I fore-saw this happening, but after making my new pattern, and getting all the dimensions and radi right, I couldn't resist pounding away at it. ![]()
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