Page 88 - 《摩擦学学报》2020年第6期

第 6 期 王大刚, 等: 定、变载弯曲疲劳钢丝绳失效机理对比研究 771

3 500 800
R 1 region 600 R 1 region
2 800
R 2 region
R 2 region
Wear scar length, L/μm 2 100 Wear scar length, D/μm 400

1 400
200
700

0 0
0 1 2 3 4 5 6 0 1 2 3 4 5 6
Segment Segment
(a) Dimensions of wear scars of steel wires in the outer layer of outer strand in contact with core strand
3 500 800
R 1 region 600 R 1 region
Wear scar length, L/μm 2 100 Wear scar length, D/μm 400
2 800
R 2 region
R 2 region

1 400
200
700

0 0
0 1 2 3 4 5 6 0 1 2 3 4 5 6
Segment Segment
(b) Dimensions of wear scars of steel wires in the outer layer of outer strand in contact with outer strand

3 500 800
R 1 region 600 R 1 region
2 800
Wear scar length, L/μm 2 100 Wear scar length, D/μm 400
R 2 region
R 2 region
1 400

200
700
0 0
0 1 2 3 4 5 6 0 1 2 3 4 5 6
Segment Segment
(c) Dimensions of wear scars of steel wires in the outer layer of outer strand in contact with pulley
3 500 800
R 1 region 600 R 1 region
2 800
Wear scar length, L/μm 2 100 Wear scar length, D/μm 400
R 2 region
R 2 region

1 400
200
700

0 0
0 1 2 3 4 5 6 0 1 2 3 4 5 6
Segment Segment
(d) Dimensions of wear scars of steel wires in the outer layer of core strand in contact with outer strand

Fig. 10 Dimensions of wear scars of steel wires in the rope in the case of variable tension of 9.2~11.5 kN
图 10 变张力9.2~11.5 kN时钢丝绳内部钢丝磨痕尺寸