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Precision Metric Worm Gear sets by Framo Morat
Printable Documentation [pdf]

A80 (80 mm center distance)

  i = gear ratio
gm= lead angle
m = module
z1 = number of threads
dm1 = pitch diameter (worm)		 da1 = tip diameter (worm)
z2 = No. of teeth
dm2 = pitch diameter (worm gear)
dA = max. diameter (worm gear)
T2 = output torque		 MG = mineral grease
MO = mineral oil / synthetic grease
SO = synthetic oil

 
Catalog   worm wormgear
T2 [Nm]
Bronze

 

 i Lead angle m z1 dm1 da1 z2 dm2 dA MG MO SO
A80U7 6,75:1 23°35' 4 4 40 48 27 120 132 150 180 225
A80U12 12:1 16°36' 2,5 4 35 40 48 125 135 243 290 365
A80U20 20:1 8°58' 3 2 38,5 44,5 40 121,5 132 290 348 435
A80U30 30:1 5°44' 4 1 40 48 30 120 132 348 417 522
A80U50 50:1 4°6' 2,5 1 35 40 50 125 135 248 297 372
A80U80 80:1 2°9' 1,5 1 40 43 80 120 129 213 255 320

NOTES:

All worms and worm gears stocked right hand only.
Worm made of case hardened and ground steel (HV 620 - 700).
Worm gear ring made of CuZn40Al2/So. Hub made of gray cast iron.

A80_Z2.jpg (31135 Byte)

  i = gear ratio
gm= lead angle
m = module
z1 = number of threads
dm1 = pitch diameter (worm)		 da1 = tip diameter (worm)
z2 = No. of teeth
dm2 = pitch diameter (worm gear)
dA = max. diameter (worm gear)
T2 = output torque		 MG = mineral grease
MO = mineral oil / synthetic grease
SO = synthetic oil
Catalog   worm wormgear
T2 [Nm]
Bronze

 

 i Lead angle m z1 dm1 da1 z2 dm2 dA MG MO SO
A80U7 6,75:1 23°35' 4 4 40 48 27 120 132 150 180 225
A80U12 12:1 16°36' 2,5 4 35 40 48 125 135 243 290 365
A80U20 20:1 8°58' 3 2 38,5 44,5 40 121,5 132 290 348 435
A80U30 30:1 5°44' 4 1 40 48 30 120 132 348 417 522
A80U50 50:1 4°6' 2,5 1 35 40 50 125 135 248 297 372
A80U80 80:1 2°9' 1,5 1 40 43 80 120 129 213 255 320

 

NOTES:

All worms and worm gears stocked right hand only.
Worm made of case hardened and ground steel (HV 620 - 700). Shafts are not hardened.
Worm gear ring made of CuZn40Al2/So. Hub made of gray cast iron.

Download Technical Documentation [pdf]

 

 
 
 
 

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