| Gallery, Projects and General > How do I?? |
| R8 or MT3? |
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| Stilldrillin:
My first mini mill had MT3 quill. I adapted to it's foibles, but was never happy with it. :( My second mini mill was immediately adapted to R8. A much better system...... :thumbup: David D |
| vtsteam:
I have MT on my horizontal mill and R8 on the vertical mill drill. I like the R8 better. I do need MT, too for the lathe. Just to complicate life, I need Jacobs taper adapters of various types for drill chucks. And to make it even worse, I have C5's for the collet spinner. A regular taper Babel here! Naturally I want to go ER....... :Doh: |
| PekkaNF:
This topic is very volatile ja often asked, but my take is: Booring heads, drill chucks, ER-holders are expensive and will add up if you need them on both MT3 or R8. Does your lathe has MT3 taper? Mine has Mt3 on tail stock and often it's really nice to use ER-holders on both machines, but it's not really that much additional cost. Additional consideration (not necessary related to this, but it could) is to be able to move work between milling machine (rotab) and lathe chuck. Small work go with a ER, but big are sometimes moved while in 3/4 jaw chuck to rotab. Both tapers have their weaknesses and strengths, choose the one: * you are used to work with. R8 users tend to tighten MT draw bar too tight and then swear and hammer it. * you have tooling * Your friends give least crap about :) Pekka |
| Arbalist:
I have to correct an error I made in my earlier post. I should have said most "newer" stuff have ISO tapers. I've long drooled over used Swiss milling machines like the Aciera's and these invariably have ISO 30 or 40 on them. Of course in engineering terms even ISO tapers as much of an improvement over MT and R8 as they were are still ancient technology compared to modern versions. This of course puts Morse and R8 in the prehistoric category but as we're only playing it doesn't really matter much. :D |
| awemawson:
Holders etc get pretty pricey when you step up to ISO tapers. My CNC mill is CAT40, and were I to buy new collet chucks etc I'd soon be bankrupt :bugeye: Needless to say I don't buy new - good old ebay is my tool shop :ddb: |
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