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| Tailstock Die guide |
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| Russel:
Geroli, for parting the Aluminum I also use Tap Magic, same as Bernd. I hear that WD-40 work well as a lubricant for Aluminum, but I have the Tap Magic so I haven't tried anything else yet. Well, I was thinking that I might shorten the tap guide, but I decided against it. My little Sherline lathe has 17 between centers, so the length is no problem. Plus, I like being able to fit three fingers and a thumb on the guide with the grip mostly for my thumb. I'll find out later when I get a chance to put it to good use. That's one of the great things about making your own tools. You can make them as you like and change them as you like. So, at this point I flip the part end for end and center it in the 4 jaw chuck on the lathe. Then face the end. Next, bevel the center hole and outer edge. A while back I made a shaft out of stainless steel to thread into my quarter inch Jacob's drill chuck. I figure that I can use that with the die guide so I thread the back end of the die guide 3/8 - 24. (More Tap Magic for Aluminum used here.) I decided to relieve the end .010 so that the guide would sit straight if I ended up mounting it by the threads. (Also, because it's easy and look cool.) The finished product: The die guide with the SS shaft that I made a while back. and again with a tommy bar. I've got some materials in shipment right now, due to arrive Monday, so when I get the shipment I'll post some threading results. Russ |
| Gerhard Olivier:
Russel that is a very nice looking tool - love the fluted grip- you are going to love using it. Thanks for the tap magic tip I didn't know they do tap-majig for ali. will try to find some. Are you going to use the dies in the holder directly or are you gong to make pre set-up holders, Reason I ask is it looks like you have only one grub screw and if you use the die directly in the holder you need one to split the die and two to hold/close the split die. (could be that I just cant see them in the pics???) Nice job I love making tools, and seeing others make tools is my favorite part of madmodders. Gerhard |
| Bernd:
Gerhard, Tap Magic works on all types of metals. It is not metal specific. Russel, What are those tips you use on your tooling, carbide? or HSS? Bernd |
| Russel:
--- Quote from: geroli on November 15, 2009, 03:38:31 AM ---Are you going to use the dies in the holder directly or are you gong to make pre set-up holders, Reason I ask is it looks like you have only one grub screw and if you use the die directly in the holder you need one to split the die and two to hold/close the split die. (could be that I just cant see them in the pics???) --- End quote --- I'm not sure I understand you, should I have one grub screw for the dimple in the side of the die and one for the split in the die? The die has a screw in it to adjust it and two dimples 180 degrees apart. I thought I only needed one grub screw to hold the die in place, so I only made it with one...it would be easy to add another. --- Quote from: Bernd on November 15, 2009, 09:38:52 AM ---Gerhard, Tap Magic works on all types of metals. It is not metal specific. Russel, What are those tips you use on your tooling, carbide? or HSS? Bernd --- End quote --- There is a Tap Magic for aluminum, take a look on the left side of the photo with the die guide in my lathe, the photo that has the tommy bar on the guide. The stuff for aluminum is much thinner that Tap Magic Pro. I never tried tap magic pro with aluminum, so I can't really say which works better. I also have Tap Magic EP-extra that I just got for working with stainless steel, but I haven't tried it yet. Of course, just because they make all these different types of Tap Magic doesn't mean that plain Tap Magic pro wouldn't work as well. I have several carbide cutting tools. I use carbide cutters almost exclusively. It seems to last forever, and give a good finish. The tools I have all use a 55 or 80 degree carbide cutter. I have left, right and center tools that use the 55 degree carbide cutter, left and right that use the 80 degree cutter, and two boring bars one with 55 and one 80 degree cutters. I bought a box of ten of each cutter, but I have yet to replace a single cutter, or even flip one to it's other end. I do have some HHS blanks that I will be grinding for cutting .010 and .015 oil grooves in a project that I am working on, so I'll be learning more about using HHS in the near future. Here with a penny so you can get an idea of the size. The tooling is all 3/8 and in the group photo the mirror version of the one on the left is currently mounted to the lathe tool post. Also, I didn't dig the boring bars out to put in the photo, but you can see the 80 degree boring bar in the photo where I cut the spot for the die. Russ |
| Gerhard Olivier:
Russel to be honest I have never seen a die like yours before. On the ones I have always used there is 2 dimples 45 deg on each side of the split. When you set them up you cut a thread and test it if it is to tight you slack up the split and tighten the other 2 and cut again. If your test is to slack you would unscrew the 2 outer grubscrews and tighten the one in the split more and then try a new piece etc until you are happy with the fit of the thread. How this translates to your die im not sure?? I'm sure somebody here has used the type you have and will be able to tell you if you need to bother with adding the second?? Your third is definitely not necc. Gerhard |
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