Page 86 - 《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 769

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. 8 Dimensions of wear scars of steel wires in the rope in the case of constant tension of 11.5 kN
图 8 恒定张力11.5 kN时钢丝绳内部钢丝磨痕尺寸