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Worm gears

Worm gears

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A worm gear is a spiral thread simial to a thread on a bolt. The worm gear engages a bevel gear, as the worm gear turns its threads push the teeth of the bevel gear cauing the bevel gear to rotate.

The thread angle is such that only the worm gear may be truned to drive th larger gear. If the larger gear is attempted to be turned the teeth of teh bevel gear just jame against the worm gear keeping the larger gear locked in position.

This means that a worm gear only lets power flow in one direction from the worm to the gear but not the other way around.




Product Specifications:

Material

S45C, SUS303, FC200,CAC702, SCM440, Polyacetal, Brass, Plastic etc. ,Acetal/Delrin,Alloy, Brass, Bronze, Carbon Steel, Ductile Iron, Gray Cast Iron, Nylon, Plastic, Phenolic, Polycarbonate, Polyester, Stainless Steel etc.

Modulus

0.5-8

Accuracy

DIN Class 6, ISO/GB Class 6, AGMA Class 13, JIS Class 2

Standard

DIN, ISO/GB, AGMA, JIS

Heat treatment

Quenching and tempering, gear teeth induction quenching, nitriding, carburizing

Application

automotive, electronics, textiles, printing, packaging, medical equipment, food processing ,wind power, chemical, and pneumatics


Capabilities of Worm Gears

Type

Worm

Worm wheel

Module

0.5~6

0.5~8

Pressure Angle

14.5°, 20° or as required.

No. of threads or reduction ratio

Single thread~Triple thread

10~60

Material

S45C, SUS303, FC200,CAC702, SCM440, Polyacetal, Brass, Plastic etc.

Heat treatment

Thermal refined, gear teeth induction hardened

Tooth surface finish

Milling, Ground

Hobbing

Precision

DIN6-DIN10

DIN8-DIN10