Input values:
Gearing ratio i
Driving worm
Input power P 1
Input speed n 1
Driven worm gear
Input power P 2
Input speed n 2
Calculated values
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a) Driving worm |
Output speed: |
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b) Driving worm gear |
Output speed: n 1 = n 2 i |
Metric units
Worm circumferential speed
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ANSI with English units
Worm circumferential speed
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Worm gear circumferential speed
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Sliding speed
|
v k = v 1 / cos γ |
Friction factor in gear
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Friction angle
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tg ρ z = μ z |
a) Driving worm
Gear efficiency:
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Output power:
|
P 2 = P 1 η |
Metric units
Input moment:
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Tangential/circumferential force:
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ANSI with English units
Input moment:
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Tangential/circumferential force:
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Output moment:
|
T 2 = T 1 i η |
b) Driving worm gear
Gear efficiency:
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Output power:
|
P 1 = P 2 η |
Metric units
Input moment:
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Tangential/circumferential force:
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ANSI with English units
Input moment:
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Tangential/circumferential force:
|
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Output moment:
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Tangential/circumferential force
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Axial force
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F a1,2 = F t2,1 |
Radial force
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Normal force
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