Specifications & Tolerances

Tooth typePressure angle α=20°, ground, nitrided
Gear quality gradeQ9 (in accordance with DIN 3962, 3963, 3967)
Outer surfacesGround on all sides
Material42CrMo4+QT or 16MnCr5 (nitrided)
Cumulative pitch deviation Fp (over 1000 mm)0.180 mm
Cumulative pitch deviation Fp (over 2000 mm)0.270 mm
Surface hardness550…700 HV1

Diagram

Q9 helical toothed gear rack dimensions

Standard Dimensions

Model m ps (mm) L1 (mm) b (mm) hk (mm) ho (mm) Weight (kg)
ZST M2 - 24x24x1000 -S26.671000.02424224.1
ZST M3 - 29x29x1000 -S310.001000.02929265.9
ZST M4 - 39x39x1000 -S413.331000.039393510.7
ZST M5 - 49x39x1000 -S516.671000.049393413.0
ZST M6 - 59x49x1000 -S620.001000.059494318.1
ZST M8 - 79x79x960 -S826.67960.079797142.5
ZST M10 - 99x99x1000 -S1033.331000.099998968.7
ZST M12 - 120x120x1000 -S1240.001000.0120120108111.0
ESC