Main Bearing Journal - Steel Crankshaft
有关缩小尺寸的主轴承轴颈信息和主轴承轴颈的宽度信息，请参阅技术参数, "曲轴"。
主轴承轴颈的原始尺寸 ... 76.159 至 76.180 mm (2.9984 至 2.9992 in)
主轴承轴颈的最大允许磨损量 ... 0.040 mm (0.0016 in)
主轴承轴颈的倒角半径 ... 3.68 至 3.69 mm (0.1448 至 0.1452 in)
轴承轴颈、曲柄销以及半径表面抛光 ... 0.4 微米 (16 µ in)
再加工的轴颈可以选用具有下面的缩小尺寸的主轴承壳体。
- 缩小尺寸的轴承壳体 ... 0.25 mm (0.010 in)
- 缩小尺寸的轴承壳体 ... 0.51 mm (0.020 in)
- 缩小尺寸的轴承壳体 ... 0.75 mm (0.030 in)
- 缩小尺寸的轴承壳体 ... 0.51 mm (0.020 in)
壳体中央的厚度 ... 2.083 至 2.089 mm (0.0820 至 0.0823 in)
主轴承壳体的宽度 ... 31.62 至 31.88 mm (1.244 至 1.255 in)
轴承壳体与主轴承轴颈之间的间隙 ... 0.057 至 0.117 mm (0.0022 至 0.0046 in)
Caterpillar Information System:
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