北京锐志天宏科技股份有限公司
Beijing RichAuto S&T Co., Ltd.
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54
Pulley&belt drive
:
d: Pulley diameter
PS1.1.2 Linear axis pulse equivalent computing method
For example: the stepper motor driver dialed code is 1600 pulse/rev.
Screw drive
screw pitch=5mm,pulse equivalent=
1600
5
=320
Rack drive
rack module:1.25, gear teeth number:
23, π:3.141592654, transmission ratio:1/5(0.2)
19°31′42″
(
≈19.52833333°
)
Straightrack
Pulse equivalent=
1600
1.25×23×3.141592654×0.2
= 88.573
Helical rack
Pulse equivalent=
1600
1.25×23×3.141592654×0.2÷cos
(
19°31
'
42
″
)
。
=
1600×cos
(
19.52833333
)
1.25×23×3.141592654×0.2
= 83.478
NOTES:1.25×23×3.141592654×0.2=18.0641577605
cos(19.52833333)= 0.94247630504668681677372940102406
1.25×23×3.141592654×0.2
÷
cos(19.52833333)=19.1666969915
≈
19.1667
PS1.1.3 Rotary axis (pul/ °)
Formula = pulses per revolution / angles per revolution
(
360°
)