This circle was filled with ink and serves as a reminder to check jaw engagement when near the circle. I then removed the jaws and used the corner of the cutoff tool (set at 45 degrees to the chuck) to scribe a circle on the chuck face at the marked diameter, turning the chuck by hand. I located the point where the #1 jaw releases from the scroll and marked (Sharpie) the chuck where the 45 degree angle on the inner part of the jaw meets the chuck face. It is possible to unwittingly use the 3 jaw chuck on materials which exceed its capacity one possibility is a jaw could release and depart along with the work.
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I got a sink cutout free at a granite countertop vendor. The pins holding the knurler arms are an example (the knurl is visible if you look for it).Ī granite surface is nice for layout and also for assembly, where its smooth surface doesn't scratch finished work. I often use 1/8 or 1/4 drill rod as pins, reaming with a standard reamer and increasing the pin size on one end before pressing it in (hardening if needed). An optical center punch is helpful in getting the mark exactly where desired.Ī straight fine knurl can increase the diameter of an unhardened pin. Odd leg calipers are very handy for marking out. The clamps that go around the bars need to be tweaked so they lock with only a small force from the locking screw adjust by squeezing the clamp carefully in a vise, and checking until it works properly - if you go too far, wedge it open with a flat blade screwdriver and try again. The inexpensive magnetic stand with fine adjust works much better since I "adjusted" it. After making a DTI holder to fit the QCTP I got a second DTI so I could leave one in the magnetic stand and the other in the QCTP holder. A magnetic stand is often helpful when using the DTI. Sharpie works better than most that I've tried I have read that markers for whiteboards work well but haven't tried them.Ī DTI is amazingly versatile and surprisingly rugged. I often use a blue Sharpie pen in place of machinist blue for small things it is quick, convenient, and I make less of a mess using it. Occasionally readers would like to purchase one of my projects but I'm too slow at machining to be able to copy and sell my work at reasonable cost. the Brooks-Stent, need the plans to complete. Most all the simple projects (especially the minilathe mods) shown on this site can be built from the information provided a few projects, e.g. I'm not a machinist, simply a gadget builder willing to share things which work for me and might (or might not) be useful to others. This Leonard Grind-R-Lap was added in October 2009, a generous gift from a friend whose similar machine I had admired on visits to his shop. In November '07 I purchased an Atlas 7B shaper this instigated walling off more of the cellar to expand my shop. I Purchased a Rockwell 10" lathe in March '07 and spent a couple months working on it to get it back into reasonable shape. The white plastic pieces and similar clear plastic pieces on the front (hard to see because the edge is toward the camera) help to control swarf and make cleanup easier.
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I added a gooseneck light plus a chip shield on the front.
I purchased a mill in March '04 another Homier product (wish it were blue to match the lathe). Not shown is a keyless chuck I now use for most things. The Jacobs Superchuck overbalances the minilathe's tailstock so it is used only for tapping and similar chores where its exceptional grip is needed. The toolholders for the QCTP are also just above the lathe for easy access, along with calipers and DTI. I frequently use the tailstock so the taper tools are in a rack above the lathe for easy access. The aluminum sheet beneath the riser aids cleaning up errant chips and minimizes oil seeping into the bench. The lathe is not bolted to the riser so it is easy to move it when the need arises. The riser under the mini-lathe brings the cross slide just above my elbow, a convenient working height, while providing a place for common tools in holes bored into the 2x4s comprising its frame. Things have changed a bit over time, of course. I find this less-than-tidy setup convenient for the projects that I undertake. The picture above shows my minilathe bench - clearly, I like all my commonly used tools at my fingertips. My shop is a 12x14 area walled off in the basement to include the furnace so it is comfortable in Connecticut winters. * * © 2018 by John Moran A Visit to GadgetBuilder's Shop
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