Specifications & Tolerances

ToothingPressure angle α=20° ground
Gear quality gradeQ6 (in accordance with DIN 3962, 3963, 3967)
Outer surfacesGround on all sides
MaterialX90CrMoV18 (stainless steel)
Pitch typeMetric pitch
Single pitch deviation fp (module ≤ 3)0.006 mm
Single pitch deviation fp (module > 3)0.008 mm
Cumulative pitch deviation over 1000 mm0.035 mm

Diagram

Q6 stainless steel helical toothed gear rack dimension drawing

Standard Dimensions

Model m ps (mm) L1 (mm) z b (mm) hk (mm) ho (mm) Weight (kg)
ZST M2 - 24x24x1000 -S26.671000.01502424224.1
MST M2 - 24x24x200 -SL26.67200.0302424220.8
ZST M3 - 29x29x1000 -S310.001000.01002929265.9
MST M3 - 29x29x200 -SL310.00200.0202929261.2
ZST M4 - 39x39x1000 -S413.331000.07539393510.7
MST M4 - 39x39x200 -SL413.33200.0153939352.2
ZST M5 - 49x39x1000 -S516.671000.06049393413.0
MST M5 - 49x39x200 -SL516.67200.0124939342.7

Legend

Symbols & Codes
  • m Module
  • ps Transverse pitch (ps=m×π/cos β)
  • L1 Overall length (mm)
  • z Number of teeth
  • b Width (mm)
  • hk Height (mm)
  • ho Addendum height (mm)
  • ZST Standard gear rack (with mounting holes)
  • MST Short gear rack (without mounting holes)
  • -S Helical
  • -SL Short gear rack helical
ESC