Worm gears

ZD1 Worm gear geometry
for cylindrical worms and globoid worm gears
Geometry according to ISO 14521 and DIN 3975
Control measurements for worms (measurement over 3 pins) and worm gears (measurement over balls)
Worm sizing with tool module
Rights: Z08

ZD2 Strength according to ISO/TR 14521:2020
Rights: Z08b
ZD3 Strength according to DIN 3996
DIN 3996:1998, DIN 3996:2012 and DIN 3996:2019
Rights: Z08a
ZD4 Strength according to AGMA 6034 and AGMA 6135
Rights: Z08c
ZD5
Fine sizing of macrogeometry for worm gears
Rights: Z08n

Worm gear modules

General

• For ZC, ZI, ZA, ZN, ZK, ZH geometry
• Includes rough and fine sizing function
• Accurate 3D geometry

Strength rating

• Based on E DIN 3996:2012, DIN 3996:1998, ISO/TR 14521:2010, AGMA 6034, AGMA 6135
• No load contact analysis

System data

• Considers drive direction, bearing power loss, seal loss, permissible wear

Considers cooling through housing and lubricant and running time