![]() feedrate to see which lets you cut material faster with less force. The normal tricks might help gain ridgidity and cutting performance as well - keep the nose radius small, use a more positive geometry if you can, and play with depth of cut vs. 025"/rev should be fine.Īnd with that light of cut, I'd consider combining rough & finish tools, unless you have tool wear problems or have trouble with tolerances. 900" off the diameter) in tool steels with 1" square tools.1" per side, under. 1" per side, I be willing to bet that C3 would be fine. C3 and C4 tool range is very limited.įor. If you can justify the cost go for Capto but get the largest possible C size you can fit in your turret to give you the widest possible range of tools to choose from. I had a couple of C6 units custom-made for my machine but Sandvik Coromant don't recommend it (clearance is very tight and load on the turret is greater when using larger tooling) But as said above it depends on the turret and mounting types. If a machine is not Capto and you want to use Capto the limit on C will be C4 due to size restrictions on the large C5/C6 units. Have not seen any rigidity issues but you need to remember that Capto boring bars can not be cut to suit custom lengths like regular bolt-in bars so you need to order your sizes carefully because once you buy you are stuck with it (until it is crashed. But I can stop the machine and load or remove a tool to avoid that so it allows me to do a job in one operation with one or two manual tool additions or removals mid-way in the program. I sometimes have to fully load up the turret and interference with chuck or steady is an issue. I have Capto C4 conversion units bolted into my Mori SL as well. ![]() I have a couple of WTO Capto C4 milling units on my Okuma lathe and that makes it very simple to swap out identical collet chucks on large batch production jobs which can be pre-set on a surface table. ![]() Directly from Sandvik Coromant it was about $2500. From Mori the list price was around $15000. The pull bar mechanism is pre-gased and when it leaks (don't ask me how but all of our operators are cavemen so crashing could be the cause) it's not re-gasable so you have to buy a new spindle pull-bar unit. We have some Mori NTs with Capto C6 and have just replaced the pull-bar mechanism in them again (2nd time). I was hoping some of you ther okuma guys have had similar problems / solutions.Ĭapto is nice but it's definitely not a cheap solution.įor machines that use Capto in the spindle (like 5 axis multi-task) it's worse. ![]() We currently use a WTO HOB, & Von Ruden for the rest. My next question is what does every one like for double "y" live tooling? I wouldn't be able to do that with capto. My inch shank tool now has a block welded on it to beef it up & it made a lot of difference. Would a C3 be comparable to an inch shank tool? Or stronger? ![]() On one day I need a deep cut high metal removal, the next day I need clearance for the sub spindle on a small part. This would be my dedicated rough / finish tool position. I am constantly running out of positions in the turret with the hobbing unit on (it takes up 3!) & I also have to reach over the sub spindle when using it as a tail stock. My concern isn't with the capto design but my need for a double y holder (probably c3 I assume). In my never ending search for versatility I run into a small problem, I know nothing about capto! Lol Hey guys I operate an LB 3000 EX MYW machine. ![]()
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