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RE-NEW MACHINE & MAINTENANCE, A Division of Repair Parts, Inc.
2415 Kishwaukee Street, Rockford, Illinois 61104
Phone: (815) 968-4499 Fax: (815) 968-4694
The One-Stop Shop for
Barber-Colman Machine Tools
- Machine tool reconditioning
- Repair and replacement parts
- Factory trained service
- Training -- operator, set up, or maintenance -- in your facility or ours
- Gear Machine Sales -- We have reconditioned hobbers & sharpeners in stock -- can be seen under power
- Hob sharpening
- Consulting and appraisals
Our tip this month concerns the Axial Thrust created by two helical gears running together. You will find the formula to
determine the amount of this force below.
Helical Gear Axial Thrust
Where:
Wx is Axial Thrust
Wt is Tangential Driving Load
T is Torque
Pn is Horsepower
RPM is Revolutions per Minute
Information required:
Helix Angle
Horsepower
Revolutions per Minute
Pitch circle Radius
Direction of Axial Thrust on Driving & Driven Gears
| Hand of Helix |
Rotation |
Driving Gear |
Driven Gear |
| Left |
Clockwise |
Toward Viewer |
Away from Viewer |
| Left |
Counter-clockwise |
Away from Viewer |
Toward Viewer |
| Right |
Clockwise |
Away from Viewer |
Toward Viewer |
| Right |
Counter-clockwise |
Toward Viewer |
Away from Viewer |
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