User Manual

Bosch Rexroth AG 11/12
RE 95132/11.08
DSM Series 10
Gear specifications
Material
The sensor rings must be magnetically conductive. The material
should be magnetically soft. So far free-cutting steels,
hardened steels, sintered material (e.g. St37, 9SMn28,
C45, GG20, GGG40, X8Cr17) have been tested.
Gear meshing data
valid for base tooth count 48
Nominal size
Permissible
deviations
z Base tooth count 48 —
t Pitch > 4.1 mm —
T
p
Adjacent pitch error +/- 4 %
T
p
Total pitch error 4 %
A/t Tooth tip (top land) width to pitch ratio
60 to 120mm,
A/t = 0.4 to 0.5
+/- 10 %
dk Tooth tip diameter > 60 mm +/- 0.05 mm
h Tooth depth > 2.5 mm +/- 0.1 mm
O Tooth tip (top land) width calculated from A/t 10 %
b Sensor ring width > 5 mm
α
Engagement angle 0 to 20 +/- 1
Ra Radius at the tooth tip (top land)
< 0.3 mm (at A=2mm) to
< 0.6 mm (at A = 6 mm)
Rc Radius at the bottom land < 0.6 mm +/- 0.2 mm
Tooth form Rectangular and trapezoidal other forms per agreement
b
A
do
dk
A
dk
b
A
Rz 25
A
t
C
A
t
h
dk
Rc

Ra