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Bad chatter marks when profiling tight corners
its more of a 3D contour that im profiling, yes in 90 degree corners I usually take perpendicular cuts seems to help vs just using the 3D collapse method.- stephon0913
- Post #8
- Forum: CNC Machining
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Bad chatter marks when profiling tight corners
yes. It's all from tool deflection, im using a 1/4 ball endmill thats hanging out 3" from the collet. i usually run these at 12k rpm at 50 ipm about .001 chipload per tooth. I have tried slowing it with very limited success.- stephon0913
- Post #4
- Forum: CNC Machining
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Bad chatter marks when profiling tight corners
looking for some advice when profiling tight (sometimes close to a vertical wall) corners on patterns. these are made from a red urethane called tooling board. Its fairly hard stuff. the issue is that some of the corners have to be filleted pretty tight (up to 1/16 fillet) that mean getting into...- stephon0913
- Thread
- Replies: 10
- Forum: CNC Machining
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Computer aided setup software????
its just digitizing the coordinates of you work and then kicking your toolpaths and or geometry at the same angle... although its possible its not good practice it lookssloppy and all the old timers would just look at you like youre an idiot- stephon0913
- Post #3
- Forum: CAD / CAM
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Machinists general rules of thumb
Hey all, Thought this would be a rather fun and informing post. Me with having less than 5 years in the line of work haven't picked up on a whole lot of "rules of thumb" from machinists. So let's hear em...:cheers:- stephon0913
- Thread
- Replies: 114
- Forum: CNC Machining
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40 machines 2 operators
- stephon0913
- Post #24
- Forum: Shop Management and Owner Issues
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Tracking Programming Time?
I've been thinking about doing some contract programming myself what do you charge by the hour if you don't mind me asking, I was thinking around $40-50/hr- stephon0913
- Post #6
- Forum: CNC Machining
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Link to what will replace machinist one day
theres quite a bit more to 3d printing than they show in this video especially if you are making a part with internal components but no doubt it is kinda scary thought, and for oldbikerdude im sure it would be no problem to make a 3d printer on a much larger scale just like cnc's...- stephon0913
- Post #32
- Forum: General
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What to look for when buying used cnc mill center
well ive heard of and seen deals like that out there, no doubt it will be old and most likely need to be torn down and have some work done, however this will be my first machine, more learning than anything with this one till i go on to bigger and better...hopefully :cheers:- stephon0913
- Post #4
- Forum: CNC Machining
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What to look for when buying used cnc mill center
Ive been browsing around off and on looking for a cheap but decent cnc milling center i would prefer a haas or fadal as i know theyre probably going to get me the biggest bang for my buck (budget around $5k no more than $10k). Will be buying local so i can go and check it out in person. Just...- stephon0913
- Thread
- Replies: 14
- Forum: CNC Machining
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Where to start with opening my own shop
I do have a job right now, don't have a lot of money but i do have a variety of skills. My skills vary from building computers and components to wiring car stereos and home theater systems by trade i am a machinist that knows cad/cam software. i am a risk taker which is why i want to take this...- stephon0913
- Post #9
- Forum: Shop Management and Owner Issues
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Where to start with opening my own shop
HI ALL, let me start by saying it has been a dream of mine for the last few years to start my own shop. currently i have about 6 years manufacturing experience 3 of those cnc programming. i am confident that if i had the resources(money) for start up, even if that were enough to buy the very...- stephon0913
- Thread
- Replies: 21
- Forum: Shop Management and Owner Issues
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OSG Mega Muscle Drill Video
Ahhh who needs feedrates when you can just rapid...:cheers:- stephon0913
- Post #31
- Forum: CNC Machining
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Machining small laser cut peices
thats exacly what it is cheap gummy steel , wants to stick to the bit and leaves naasty looking chips.- stephon0913
- Post #9
- Forum: CNC Machining
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Machining small laser cut peices
the material is .187 the hole diameter is .252 lasers dont do to well when youre that close to the material thickness plus the hole finish would be horrible- stephon0913
- Post #8
- Forum: CNC Machining
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Machining small laser cut peices
A few weeks ago my boss decided on getting these little tabs we make laser cut instead of being machined. now we are talking 3/16 mild steel getting cut into 1" x 2" pieces. we just received the first batch in today, so now all i have to do is drill a single hole in them.now the problem lies...- stephon0913
- Thread
- Replies: 13
- Forum: CNC Machining
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Dilemma about moving jobs: HELP
At 24 I feel I'm rather young to be in a position that I am and some employers underestimate my know late and skill in this line of work believe it or not age talks, I've been to interviews in the past when I walked in the door the boss was almost puzzled to see a young person applying for the...- stephon0913
- Post #25
- Forum: Shop Management and Owner Issues
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Dilemma about moving jobs: HELP
They invested about $1200 for a 4 day solidworks training course (mind you the $1200 was money from a $10000+ small business grant they received from the Feds ). Another reason it tugs at my brain is the fact that the owner asked me if I would bail out once he did that for me. This just happened...- stephon0913
- Post #10
- Forum: Shop Management and Owner Issues
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Dilemma about moving jobs: HELP
Hi all So I've been working at my current job for about a year now. Very small shop that manufactures its own product line, private owner, wife and son work the office and 4 employees work the shop including me, the shop depends on everyone to function so it goes without saying that no ones...- stephon0913
- Thread
- Replies: 24
- Forum: Shop Management and Owner Issues