can kinemetrics be used to correct feed rates?
09 Aug 2011 11:40 #12333
by btvpimill
can kinemetrics be used to correct feed rates? was created by btvpimill
Here is what I consider to be the only flaw with EMC2 I have found so far:
When running a parallel joint, such as Y and V, the feed rate gets applied to Y always. Here is what I mean by this:
Consider this move G1Y10V1F10
Y will move at 10 ipm and V will move at 1ipm to execute this move. This seems correct to me as the max feed will be 10 ipm and it will take 1 minute to complete this move.
Now for this move: G1Y1V10F10
Y will move at 10ipm and V will move at 100ipm! This move will finish in 1/10 of a minute, but should have also taken 1 minute to complete.
I have proven this but only using trivikens at the moment. As you may be able to tell from other posts here by me, I am VERY new to this. But it occured to me maybe a 'kin can fix this.
When running a parallel joint, such as Y and V, the feed rate gets applied to Y always. Here is what I mean by this:
Consider this move G1Y10V1F10
Y will move at 10 ipm and V will move at 1ipm to execute this move. This seems correct to me as the max feed will be 10 ipm and it will take 1 minute to complete this move.
Now for this move: G1Y1V10F10
Y will move at 10ipm and V will move at 100ipm! This move will finish in 1/10 of a minute, but should have also taken 1 minute to complete.
I have proven this but only using trivikens at the moment. As you may be able to tell from other posts here by me, I am VERY new to this. But it occured to me maybe a 'kin can fix this.
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09 Aug 2011 12:41 #12336
by BigJohnT
Replied by BigJohnT on topic Re:can kinemetrics be used to correct feed rates?
What you might want is G93 active during the second move.
John
John
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