Indexing accuracy / Attainable workpiece accuracies
Measuring and recording the angular
accuracy, important application
information
Fully automated measuring system for indexing accuracy measurement
Elasticity of tilting axes (reference values for pitch error)
EA
+ M
Overview
Measuring method used to
determine the gear unit's
accuracy to VDI/DGQ 3441
or ISO 230-2
T1
TF
–m
easured at operating temperature
of the unit after 5 warm-up cycles
– 5 measuring cycles
– 24 measuring points (15° steps)
– Acceleration 500°/s2
– All measured values apply in the
unloaded condition at an ambient
temperature of approx. 22°C
T2
/ T3
fix(X)
-12
vario(X)
-44
fix(X)
36
vario(X)
-20
TF-510510/511510
-22
-90
44
-60
TF...T1-510520/511520
-8
-30
40
-6
TF...T1-520520
T2-507510
-15
-25
-65
–
76
-35
-16
–
T2-510520/511520
-15
–
45
–
T3-507510
-38
–
29
–
T3-510520/511520
-23
–
45
–
Recommendation: In orde