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Precision Worm Gear

Product specification Gears at centre distance 22.62 and 25 mm with special feather keyway,... more

Product specification

Gears at centre distance 22.62 and 25 mm with special feather keyway, at centre distance 17 and 31 mm without keyway.

Technical specification

Material: special brass CuZn40Al2/So, pitch-true milled

Pressure angle: 15º (for reduction of radial loads)

Bore tolerance: H7

Tolerance:

Centre distance: +0.05 mm

da: +0.2 mm

General Information Use for high loads in continuous operation, precision engineering and... more

General Information

Use for high loads in continuous operation, precision engineering and gear manufacturing.

For right angled power transmission with simultaneous vertical offset (= centre distance dimension), even at high speeds.

Precision worms and worm gears for shaft angle 90º

Centre distance (vertical offset) optionally 17; 22.62; 25 and 31 mm

Several transmissions are available per centre distance

The worms and gears only run as a pair at the stated ratio and at the same module

Worm and worm gear have to be ordered separately

Ready-to-mount (with custom bore, need only to be pinned)

High mechanical strength properties

Very quiet running

Good temperature resistance

Right hand

Notes regarding efficiency and self-locking:

Low transmissions (e.g. 5:1) have a high efficiency and a minimum self-locking. High transmissions (with low lead angle) have a low efficiency and a high self-locking. A static self-locking capacity is provided with a lead angle less than ca. 4.5° (lead angle see table).

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