How much accuracy are you giving up for resolution, are you really getting the resolution that you calculated using microstepping?
Using a belt drive, and microstepping, what is your expected resolution for half, eighth, sixteenth, and thirty-second?
After reading the following paper, I'm unsure how a belt drive is able to achieve fine resolution moves, with a decrease of accuracy. I see a lot of routers using a belt drive, and they appear to be machining aluminum to a high resolution. Should I just not worry about it, and expect that I'll get the resolution that want?
Half-step driving is not for improving accuracy, but for solving other problems like vibration and irregular rotation.
[web.archive.org]
I'm going to use large NEMA 23 stepper motors, I have not decided on the torque, but between 280 oz-in to 425 oz-in, I plan to switch between resolutions from 0.100mm, to 0.006mm.
Circumference of a GT2 Pulley 20 Teeth = 40mm
Min-move at full step: 40mm/200 steps = 0.200mm
Min-move at half step: 40mm/(200*2) steps = 0.100mm
Min-move at eighth step: 40mm/(200*8) steps = 0.025mm
Min-move at sixteenth step: 40mm/(200*16) steps = 0.013mm
Min-move at thirty-second step: 40mm/(200*32) steps = 0.006mm
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This is a picture of the type of belt drive I would like to employ.
Tks!
Using a belt drive, and microstepping, what is your expected resolution for half, eighth, sixteenth, and thirty-second?
After reading the following paper, I'm unsure how a belt drive is able to achieve fine resolution moves, with a decrease of accuracy. I see a lot of routers using a belt drive, and they appear to be machining aluminum to a high resolution. Should I just not worry about it, and expect that I'll get the resolution that want?
Half-step driving is not for improving accuracy, but for solving other problems like vibration and irregular rotation.
[web.archive.org]
I'm going to use large NEMA 23 stepper motors, I have not decided on the torque, but between 280 oz-in to 425 oz-in, I plan to switch between resolutions from 0.100mm, to 0.006mm.
Circumference of a GT2 Pulley 20 Teeth = 40mm
Min-move at full step: 40mm/200 steps = 0.200mm
Min-move at half step: 40mm/(200*2) steps = 0.100mm
Min-move at eighth step: 40mm/(200*8) steps = 0.025mm
Min-move at sixteenth step: 40mm/(200*16) steps = 0.013mm
Min-move at thirty-second step: 40mm/(200*32) steps = 0.006mm
This is a picture of the type of belt drive I would like to employ.
Tks!