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#46
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Re: One tool/machine to level up a moderate shop
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The 1E model covers #0 to 1/4" taps, and the 2E covers #8 to 1/2" (in aluminum). You can find them with 1/2" straight shanks or morse taper shanks. I used the 1E model, it struggled a bit with 1/4" taps but the clutch was probably adjusted a bit too low. I would probably try a pick up a 2E since we didn't use it for anything smaller than a #8. The CNC part is probably not relevant to the OP, but as an aside, pretty much any CNC mill should be able to tap threads using a "floating" tap holder. http://www.youtube.com/watch?v=g5lrphpqUCY http://www.maritool.com/Tool-Holders...duct_info.html One of the main benefits of rigid tapping is that you can put taps in any normal "rigid" toolholder (ER commonly), so you do end up saving some money that way. |
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#47
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Re: One tool/machine to level up a moderate shop
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The math may still work out better for having the tapping head to use off machine in a drill press, but you don't need any specialty holders/taps for CNC use. Any run of the mill tap held in an ER or TG collet (or whatever your collet of choice is) works fine. |
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#48
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Re: One tool/machine to level up a moderate shop
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Originally all Tapmatic heads used that rubber and metal blade style collet. As the ER collets worked their way into the Sherline, Taig and MaxNC world so did they work their way into the tapping head world. So many of the newer Tapmatic designs have ER collets. I have lots of different SAE and metric collets so this added accessory set of the ER collets, which has more pieces for the range of sizes, was not a huge deal for us. I did run into the issue, as stated before, that nobody made the proper interlock bar for the Haas spindle we have. Neither Tapmatic nor their competitors. However tracing the mill spindle face on paper and making the part is a good project. Quote:
I had given the school some of my BodCAD package licenses to hold and use at no cost but the other mentors were more familiar with MasterCAM so we went and got the MasterCAM. I am fine with MasterCAM and HSMWorks on the Haas personally as well. I had a few exposures to HSMWorks via Solidworks at places like NextFAB. I've used MasterCAM professionally. I've used BobCAD for my hobby work. I have quite a few older versions of BobCAD that I acquired from closing businesses at a large discount over the years. I learned CNC on G/M code direct entry so for simple things I usually just need a terminal. I am so inclined to make my students work on my friend's retrofitted Bridgeport with the punch tape reader ![]() Last edited by techhelpbb : 29-11-2014 at 18:50. |
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#49
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Re: One tool/machine to level up a moderate shop
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