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Try using slot mill or contour with the comp off and select the chain in the middle of the slot.

compared to what? I find it easy. is there something you would like to ask?

I agree. I bought Bobcad a few years back, and it wasn't what I expected (or was told to expect). I ended up buying Mastercam and have been happy since.

actually, there are many ways to finish a part in one toolpath. Pencil, scallop or blen come to mind. The new HSM toolpaths are also very good.
As for gouges, I don't get them often, and when I do,...

lots of good advice. some We tried already and some new.
The biggest mistery of the job was why it worked perfect for the first 30 odd pieces and not all.
We are looking into the material certs to...

is this a mastercam post?
Can you give me the post file?
Those changes sound easy and I think I could help you with it.

Thanks for all your help guys.
Sorry I have not replied in so long, but I was very bussy with these jobs.
We have found that there is probably the material being different with every bar like was...

I new about that and totaly forgot.
Thanks for reminding me. It will save me time.

Chronic 420

I think maybe you tried the first release of X and then gave up.
Don't blame you if that is the case, because there were a lot of problems!!!
They have been fixed now and X2 is...

Sorry, but I have found no magic trick for what you want to do.
You could try to use WCS to change your top plane to the side for example, and then use the new HST toolpaths with restmill options....

having problems posting pics.

The question has more to do with the fact that the first 15 pcs were perfect. Without changing anything, the chatter suddenly became a problem from one piece to the...

Sorry guys,

The material is 4130 steel. It is on a lathe and it is as short as it can be already.

Pics to follow soon.

Hi Everyone,

I have started a job, and it went so well to start, but now the boring bar will not stop chattering. We tried changing the insert first, then moved on the speed and feed changes. We...

sorry to hear that you will give up. You must be very frustrated.

I have been doing this for over 15 years now, and always come across these kind of problems. Even as we speek, a lathe job we are...

G90 is normaly the Absolute Coordinate code. Usually best to use this. (not G91 incremental as inaccuracies build up)

"Clearly" 60 deg. Good eye!!!
If the groove is 60 deg, then buy the 60 deg cutter instead.
It seem clear, to me anyway, that the actual angle isni't as important as the looks. Since Bill is going...

I would use on of two methods.
first would be to cut from the side with a small 90 deg (on a 45 deg angle of course) slot mill.
second and my favorite would be to use a 90 deg drill/mill and cut...

are you using coolant?
I find that it often helps even in plastics. Just make sure to clean them good after, as they tend to absorb water and swell over time.
Two flutes are a must. If you don't...

I use Mastercam now after being frustrated with Bobcad. I found BC cumbersom, slow, and not nearly as powerfull as I needed. I guess if you only do 2d work, then BC would be the right price, but when...