which one do i trust?

[Jack Neelands™]

hi all ...Been trying to do an undercut with a lollypop cutter ...the posting is working great thanks to Dave Thompson....but now im not sure what to trust here ...i backplotted this using normal back plot and then simulate 4 axis and got 2 different results.....which one do i trust?

 

the good

 

 

 

the bad

 

 

 

or the ugly?

 

 

[Mcam Nut]

I would go with the ugly

[Jack Neelands™]

roflmao ...yep that might be the ticket....

[JG]

~thinking out loud~

"simulate cutter comp in control"

 

maybe?

[Jack Neelands™]

well that was a nice thought but sadly no joy

[Yogesh K. Raman]

Getting the same thing with X?

[cadcam]

Are you telling to leave mat on the ugly one looks like it is not touching the undercut wall? If I am right being the wall to the right correct?

[Jack Neelands™]

yes sadly enough im getting the same thing with X when i bring it in from v9...when i try to reprogram from scratch i get a disasterous result that is nothing like what i need in version X...the program is on the ftp site called lolly2 zip in the mc9 folder...i followed the example you gave me to a tee jay and sadly its not cutting where i want it to cut you will find in a previous post about 5 days ago called post problem and im not sure what its doing ...when i try to cut that back wall of the part it just cuts air and the clips the part as you will see in the verify in version X...is there another way i can cut this?

[Jack Neelands™]

just a bump for the boys that are not on holidays tomorrow...pls help

[Mcam Nut]

I took a look at it jack, flowline was the only thing I could get to work, I even converted the surfaces to a solid and chained that, it was the same thing. wish I could help, its got me stumped

[Jack Neelands™]

yes that was the only thing i could get to work as well...dam 4th axis ....keep telling the boss to sub the job out to a 5 axis and none of this would be our problem anymore

[crazy^millman]

But Jack if it were easy anyone would do it.

[lowboy]

I would like to have a shot at that one

Can I get a copy of the file?

[Jack Neelands™]

its on the ftp site under lolly.zip in the Mc9 file or lolly.mc9...i have changed the lollypop cutter to a .5 dia as this is all the sales ppl could get ahold of in short notice

 

[ 08-07-2006, 12:27 AM: Message edited by: jack neelands ]

[Jack Neelands™]

did you have any luck with this at all jay?

[Jack Neelands™]

anybody else want a go?

[terry5357]

I have found that to get a toolpath to follow the surface, I go old school and use a ruled toolpath. select like you are creating a ruled surface, back plat to be sure you have offsets in correct direction, and it works everytime.

 

HTH

[terry5357]

I just looked at your part and I hate to break it to you Snappy but I'll be darned if that doesn't look lika 5 axis job, or it might could be done on a live tooling lathe, like the mazak, veri?????? I can't remember the name of the thing now. But you are going to play hell getting that thing programmed with just 3 axis.

If yo don't have many to make you could break it up using a super spacer.

 

without too much digging into it, it looks like its going to be a pain int a**

[crazy^millman]

He has got a 4th axis just trying to get predictable results from the backplot.

[Jack Neelands™]

get this ...my IT guy just updated the corperate micorsoft trend virus on our puters here and refused to whiteboard this website leaving me no access to this site at all ...i had to log in @home this morning just to get this msg to you guys...anybody know any anonomous proxy sites that are free that i can use to get on here?

[Jack Neelands™]

yes i know this should be a 5 axis job...you want to tell that to my boss...i have been saying it for 8 months now ..... he wont listen to me or anybody else including the owner

[Jack Neelands™]

pls email the addy to me if you know of any free proxy's to my work email

[terry5357]

I have to apologize, i wasn't aware that you had 4th axis capabilities. there are several ways to attack that puppy then. let me look at it that way. I get back to you, if you still need help.

 

 

Good luck

 

p.s.

I have no problem talking to your boss, but i seriously doubt it would do any good......lol.

What may help you is to get a quote from a 5-axis shop and if its less than what your shop can do it for, that would be the proof in the pudding. Be careful though, some boss' don't like to be shown up, and especially by a lowly

programmers such as we are:)

[Jack Neelands™]

np terry and im always looking for new ways to skin this kitty ...its on the ftp site listed above