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High-Power Metal Helical Gears
Crossed Gears
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Crossed helical gears, also known as screw gears, can be configured to transmit motion at a 90° angle or in a straight line. To transmit motion at a 90° angle, pair two gears with the same tooth direction. To transmit motion in a straight line, make sure to get one left-hand and one right-hand gear.
For gears to mesh correctly, they must have the same pressure angle and pitch/module. To change speed and torque in your assembly, pair two gears with different numbers of teeth.
Hub | Keyway | Left-Hand Teeth | Right-Hand Teeth | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Gear Pitch | No. of Teeth | Helix Angle | Gear Pitch Dia. | OD | Face Wd. | Dia. | Wd. | Bore Type | For Shaft Dia. | Wd. | Dp. | Material | Tooth Heat Treatment | Each | Each | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
14 1/2° Pressure Angle | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 16 | 24 | 45° | 1 1/2" | 1.59" | 1/2" | 1.37" | 0.5" | Keyed Bore with Set Screw | 5/8" | 0.187" | 0.094" | 1137 Carbon Steel | Hardened | 0000000 | 0000000 | 0000000 | 0000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 16 | 32 | 45° | 2" | 2.09" | 1/2" | 1.87" | 0.5" | Keyed Bore with Set Screw | 5/8" | 0.187" | 0.094" | 1137 Carbon Steel | Hardened | 0000000 | 000000 | 0000000 | 000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 16 | 48 | 45° | 3" | 3.09" | 1/2" | 2.5" | 0.5" | Keyed Bore with Set Screw | 5/8" | 0.187" | 0.094" | 1137 Carbon Steel | Hardened | 0000000 | 000000 | 0000000 | 000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 12 | 18 | 45° | 1 1/2" | 1.62" | 3/4" | 1.34" | 0.5" | Keyed Bore with Set Screw | 5/8" | 0.187" | 0.094" | 1137 Carbon Steel | Hardened | 0000000 | 000000 | 0000000 | 000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
