Opinions on Hurco machining centres?
Hello everyone, Our shop has recently been given approval to purchase some new equipment. We are definitely getting a couple of Integrexes, a i300 and a i400.:) The exact configuration is yet to be...
View ArticleCollege CNC Projects
I am looking for some help and information. Ive been asked to help with some college cnc classes. What would be some good topics and simple projects to do for cnc millls and lathes. Ill be teaching on...
View ArticleAny tricks for setting my jaws on a Lathe?
Hello out there! This is my first post here so forgive me if this is a dumb question. Are there any tricks for figuring out where to set my jaws on a three jaw chuck without so much trial and error?...
View ArticleFanuc OD Radius grooving
Hi everyone, I have a few questions about OD grooving on a Fanuc Oi-T. I need to groove a full radius groove of 6mm (so 3mm Rad) with a 4mm (2mm Rad) button style tool. Is there a way to program it as...
View ArticleLagun CNC lathes
Hello fellas. Just joined last week. I run a small R&D prototype shop for a university. Up until about 5 years ago, everything we did was manual machining. When I got my trade degree I learned CNC,...
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Serious part deflection, need help
Hey guys, the noob is back again. I am having a hard time getting this part to cut evenly across and not have a taper. I have been repeating finishing passes, going slower, going faster, shallower...
View ArticleHelp with serial number macro
Hey all just finished putting together this macro http://www.practicalmachinist.com/vb...c-oimc-154852/ I added a 4th digit and it runs but i'm having two issues. I can not manual adjust the serial...
View ArticleMore HSM
Have not posted in a bit so here's some more. 3/4" 5 Flute Iscar Chatter Free Carbide Endmill 1st Operation - 6000 RPM - 396 IPM .068 stepover, 1.745 doc - 45 cubic inch/min 2nd Operation - 4600 RPM -...
View ArticleBarcodes
Good afternoon, We just got a new machine Onsrud 5 axis router, pictures and a video to come later, that we will be using a barcode reader to upload jobs by reading the barcode on the traveler...
View Article1997 HAAS VF3 and Renishaw probe wiring questions....
Hey guys, finally got all the parts together to put a Renishaw MP700 on my 1997 Haas VF3. This includes the PU3, MI12, and OMM. I took over a year to put the whole kit together but only cost me about...
View ArticleDo you run oil in your VMC?
Stopped by a buddy's swiss screw machine shop the other day. He runs Hangstefers C22 oil in all his machines, even the couple of Hurco VMCs that he has. I am considering running oil in a new Okuma LT...
View ArticleLooking for advice on a 4th axis
I'm planning on swapping out the controller on my mill to a Centroid 4-axis controller, but at least for now I'll keep the existing DC servos and amps. I'd like to get a used 4th axis (small one .......
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How would these AR's be machined?
I have been trying to figure out how these tool paths were generated? I am leaning towards the company using a 4th axis. but some of the tool paths come to sharp corners. Any clue?
View Article1st operation in cam need some quick help
Im in need of help bad. Im using soldworks solidcam and mach3 I designing my first cam program . Its a simple block for mounting nema 23 motor . the block has 7 holes 4 for the stepper 2 for mounting...
View Articlemilling of Kovar
can somebody help me with the machining of Kovar. I have never cut this material before and am quoting a job with close tolerences +-.001. Any information would be a great help.
View ArticleVF2 sub routine feed changes
I mill several slots (14 same) and then chamfer the edge. I have subroutines for all the milling profiles and generally feed at 10 to 20 IPM. However, the 90º cutter I chamfer with can just fly along...
View ArticleThreadmill a knurl like pattern?
Has anyone on here ever done a knurl like pattern with a threadmill in a VMC? I'm trying to run the whole part complete in my brother and eliminate the lathe operation. If I can get close to a pattern...
View ArticleHow to make flat bottom holes on lathe
Maybe this is a dumb question. How do you guys make flat bottom holes on a lathe? On a mill, I would just helix with an end mill. Assuming I don't have live toys, what is a best sequence? Say a hole 1"...
View ArticleOperator station change out on Cincinnati Milacron 850sx
I am new to this forum but have been running and repairing Cincinnati Milacrons for about 20 yrs. My shop has 4 1000 VMC (3 with 850sx and 1 with 2100 control) 1 750 and 1 500 with 850Sx controllers. I...
View ArticleHELP with profiling aluminum.
1/2" thick 6061 aluminum. I have to profile a part that is 1.181" at it's widest point out of 1 1/4" wide stock. The tool is buried in the part most of the time but not for the entire profile. The...
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