5 Axis - Doosan or Litz Hitech?
Looking at purchasing a couple of new 5 axis machines to replace some old DMGs. Currently we're toying with the idea of buying a Litz Hitech LU-620 or possibly a Doosan NX500 (we have no intention of...
View ArticleSpeed and Feed guys, Need help!
Hello, My name is Cody Stephens i am 22 years old and i am new to CNC machining. I have noone to teach me, i just stuck the task upon myself to learn the machine (Deckel Maho) 3+2 I am currently in the...
View ArticleLike a Boss 2
Another video of a 2" Iscar H490 cutter taking .515 depth of cut, 65% radial. 744 RPM 31 IPM 44w Mild Steel Plate. These inserts rock. They sure can take quite the abuse. The pocket has a 2.5" hole...
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Drifting X-axis problem, Anilam Crusader II on Alliant Mill
Per the sticky, here is the basic info on my recently purchased machine: 1. machine manufacturer and type - Alliant (Bridgeport Series I Clone) 2. year of manufacture - 1984 3. machine model - I...
View ArticleWhat causes axis drives to fail?
M32 control Mazak mill. I've had it 2 years or so and am the second owner. I think the z axis drive died today. I get a fault relating to that, and there's an unsettling smell from the drive area in...
View ArticleWhat would cause CNC to lose home position?
We have a G & L Horizontal Machining Center with a Fanuc 31i controller. Travels for the machine are 2500mm in X-axis, 3100mm in Y-axis, 2000mm in Z-axis, 1250mm in W-axis, just to give you an idea...
View ArticleTooling for making lots of slots in 6061?
Hi, We're making some new aluminum parts that require 26 slots. Slots are .156" wide and about 10" long, and the space between slots is 0.094". Depth of slot is 0.25". I'm not familiar with the...
View ArticleHSM experts - How am I doing?
I'm just looking to see how I'm doing with my HSM toolpaths and to see if I can speed things up a little bit. The part in question is 3/8" thick 4140A. I'm using 3/8" Imco Enduro 5 flute endmills with...
View ArticleAnybody still running a bandit control? How does machine know Z limits?
This is somewhat random as I'm working on retrofitting my old Lagun FTV-3 CNC, which had a '79 vintage Bandit control when it was originally sold. I'm wondering how the machine knew what the Z-axis...
View ArticleMilltronics RH30 Screen problem?
Was wondering if anyone ealse has delt with this problem screen doesnt work half the time but give it a little tap and it comes on went to run the machine yesterday and noting not even a flicker on the...
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Finishing holes in parts, how?!
I have this little problem... how to finish the part on the holes? I always have to take sponge and do it by hand... is there a way of doing it on the machine?! If the G program makes the hole first...
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Help... milling hard steel
Today i was working on the milling machine and the tool broke. I have changed it for a brand new one my boss bring ... but... no cutting data... no feed...no rpm... nothing from the brand mill ... so,...
View ArticleCapto holders on a Mazak lathe...Centerline?
I am running a Mazak SQT 250, regular turning no live tooling. We have capto holders on the turret. I am using a co-ax to indicate centerline in x axis of my capto holders (ER style holder). My problem...
View ArticleAdjustable angle ID Grooving Bar
I've got a lathe job coming up that has an internal groove cut at 31 deg. To the Z a is. About 10 years ago I saw a top notch ID grooving bar, where the head angle was adjustable. You could set it to...
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Removing/Preventing Tool Marks
We just made some 6061 aluminum prototypes of the part you see pictured below. Design was approved, parts were accepted, production runs forth coming......except............ The parts are roughly 5.75"...
View ArticleEndmill Peck Drilling
I do peck drilling in plastic using endmills all the time because 1) it prevents plastic chips from clogging up the flutes if I directly plunge 2) it's one less tool to load and change and set height,...
View ArticleG76 Code confirmation please
Good evening. I am writing code for a 1/2-13 UNC external thread. Here is what I wrote: G76 x.407 Z-.770 K.0472 D.0149 F.0769 Does this look right? Thanks, Ron The lathe is a Haas SL 0 or 1.
View ArticleThinking about moving from Haas vertical to Mazak, opinions?
I currently have a 2011 VF-2 with a 10k/gearbox. I'm thinking of stepping up to a new Mazak VCS-430 (not sure if I'll be crippled by the envelope) or 530. I'm also considering used machines. Just for a...
View ArticlePlug for Tubing When Using Barloader
What is a good simple plug for tubing on our LNS Quikload bar loader? We run a lot of 1.00 ID tubing. I have been trying corks, but it seems like they can slip out and then they get in the way of the...
View ArticleUsed or Rebuilt Live Tools for Doosan Lathe--Where to Buy?
Hi, we are needing another angled live tool holder for our Doosan Lynx 220LM. The new ones are around $3,500. Do you know of anyone that sells rebuilt ones? The has the BMT 45P turret. Thanks for your...
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