Table of Contents
Advertisement
6-11. Inspection of the gears
When checking the reduction gear, please check the lubrication by oil or grease, teeth contact, meshing state etc.
visually in addition to measuring the wear amount of both the gears. Please refer to 'Table 1' and 'Table 2' for the
wear limit.
1st stage pinion,
1st stage gear
Gear
Others
Coupling part (shaft, hole)
Category
Part Name:
1st pinion
1st gear
Gear
2nd pinion
2nd gear
3rd pinion
3rd gear
1st pinion
(Both ends)
Spline
Motor pinion
Table 3: Wear limit of gear (method for measuring tooth thickness)
Category
Part Name:
1st pinion
1st gear
Gear
2nd pinion
2nd gear
3rd pinion
3rd gear
1st pinion
(Both ends)
Spline
Motor pinion
Table 1: Gear wear criteria
5% or less of the full thickness tooth thickness on the pitch circle
Not more than 10% of the original tooth thickness on the pitch circle
Table 2: Wear limit of gear (over pin (ball) method)
Rated load (kg)
Original dimension (mm)
150
250
500
150
250
500
Shared
Shared
150, 500
250
150, 500
250
Shared
Shared
Rated load (kg)
Original dimensions (mm)
150
250
500
150
250
500
Shared
Shared
150, 500
250
150, 500
250
Shared
Shared
- 26 -
Wear limit
Pin diameter (mm)
35.00
2
25.51
2
22.47
2
58.40
2
67.75
2
70.83
2
21.53
3
87.90
3
30.80
5
32.89
4
83.60
5
79.26
4
20.86
3
21.27
3
Number of teeth
10.723
4
7.691
3
7.686
3
19.949
7
22.982
8
25.947
9
7.028
2
25.048
6
11.841
2
9.540
2
26.959
4
21.091
4
10.723
7
6.6897
2
Wear limit (mm)
34.74
25.26
22.22
58.13
67.48
70.60
20.91
87.36
30.02
32.30
82.64
78.42
20.36
20.62
Wear limit (mm)
10.655
7.620
7.613
19.881
22.917
25.884
6.793
24.876
11.428
9.274
26.583
20.825
10.518
6.676
Advertisement
Table of Contents
