Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains
Tue 12 January 2010, 10:46
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Replies: 43
Views: 49,723
post moved from elsewhere
This will be...
post moved from elsewhere
This will be my last post and I am sure Gerald will delete as soon as he sees it,
it is kinda hard to stay here with things like this : Chopper, I have a big problem...
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Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains
Sat 09 January 2010, 18:24
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Replies: 43
Views: 49,723
greg,
Backlash in a round about way may...
greg,
Backlash in a round about way may cause lost steps but backlash itself can not accumulate.
how many times must I repeat myself?
I agree that backlash on the machine dose not accumulate,...
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Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains
Sat 09 January 2010, 18:15
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Replies: 43
Views: 49,723
ries,
when my machine goes back to zero it is...
ries,
when my machine goes back to zero it is right on no matter what I cut,
air, wood , steel, aluminum, plastic, stainless steel, I cannot go back to the 7.2's to check they are long gone,
...
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Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains
Sat 09 January 2010, 18:05
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Replies: 43
Views: 49,723
I agree with this to a point, the motors are a...
I agree with this to a point, the motors are a different brand, but about the same power, I do not know the difference in the torque curve but I am sure they are similar unless the 7.2's motors are...
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Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains
Sat 09 January 2010, 15:08
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Replies: 43
Views: 49,723
Brad,
I am not hung up on the term backlash,...
Brad,
I am not hung up on the term backlash, but to deny that this is not an accumulative effect of it is ubserd, ( if the backlash is removed and the "effect" stops, and you put the backlash back...
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Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains
Sat 09 January 2010, 13:42
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Replies: 43
Views: 49,723
I am sorry but Francis was correct,
I do not...
I am sorry but Francis was correct,
I do not disagree that there is a constant in the machine, and that the backlash dose not grow on the machine,
where the issue is is in the part and the program...
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Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains
Fri 08 January 2010, 17:57
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Replies: 43
Views: 49,723
Brad,
now that you are starting to see what I...
Brad,
now that you are starting to see what I am talking about I will try to clear this up a little better, if you have a known amount of backlash, say ten thousands, in all drives, and you are...
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Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains
Fri 08 January 2010, 14:39
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Replies: 43
Views: 49,723
Can backlash give a cumulative error?
Brad,
I think you are not following what I am saying.....
I know that when you have backlash on the machine it is a given amount which may grow over time but it does not accumulate in that manner,...
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Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains
Fri 08 January 2010, 10:03
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Replies: 43
Views: 49,723
Can backlash give a cumulative error?
Gerald,
If you do the math on this you will see what I mean, if I have a file that is say 200 thousand lines of code long and my machine has a back lash of .005 of an inch, with every direction...
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