Crankshaft
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| 图 1 | g01349782 |
典型实例 (1) 曲轴齿轮 (2) 曲轴 (3) 曲轴止推垫圈 | |
安装到曲轴上的齿轮的最大允许温度 ... 180 °C (356 °F)
新曲轴端隙 ... 0.17 至 0.41 mm (0.0067 至 0.0161 in)
止推垫圈的标准厚度 ... 2.69 至 2.75 mm (0.1059 至 0.1083 in)
止推垫圈的加大尺寸厚度 ... 2.89 至 2.95 mm (0.1138 至 0.1161 in)
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| 图 2 | g01349784 |
典型实例 | |
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| 曲轴轴颈的缩小尺寸直径 | |||
| 尺寸 | 0.25 mm (0.010 in) |
0.51 mm (0.020 in) |
0.76 mm (0.030 in) |
| A | 83.756 至 83.736 mm (3.2975 至 3.2967 in) |
83.502 至 83.482 mm (3.2875 至 3.2867 in) |
83.248 至 83.228 mm (3.2775 至 3.2767 in) |
| B | 71.746 至 71.726 mm (2.8246 至 2.8239 in) |
71.492 至 71.472 mm (2.8146 至 2.8139 in) |
71.238 至 71.218 mm (2.8046 至 2.8039 in) |
| C | 38.165 mm (1.5026 in) |
38.165 mm (1.5026 in) |
38.165 mm (1.5026 in) |
| D | 最大 35.38 mm (1.3929 in) |
最大 35.38 mm (1.3929 in) |
最大 35.38 mm (1.3929 in) |
| E | 35.5 至 35.7 mm (1.3976 至 1.4055 in) |
35.5 至 35.7 mm (1.3976 至 1.4055 in) |
35.5 至 35.7 mm (1.3976 至 1.4055 in) |
| F | 不要加工该直径。 | 不要加工该直径。 | 不要加工该直径。 |
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| 曲轴臂加工区域的最小宽度 | ||||
| 臂 | 1 | 2 至 9 | 10 和 11 | 12 |
25.11 mm (0.9886 in) |
22.86 mm (0.9000 in) |
23.15 mm (0.9114 in) |
26.86 mm (1.0575 in) |
|
如有必要，加工止推面以清除损坏。 有关信息，请参阅表 2。
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| 图 3 | g01283112 |
(4) 轴颈 #1 (5) 轴颈 #2 (6) 轴颈 #3 (7) 轴颈 #4 (8) 轴颈 #5 (9) 轴颈 #6 (10) 轴颈 # 7 | |
请参阅表 3 以了解曲轴轴颈的跳动量。
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| 轴颈 | 轴颈的跳动量 |
| (1) | 安装 |
| (2) | 0.05 mm (0.0020 in) |
| (3) | 0.1 mm (0.0039 in) |
| (4) | 0.15 mm (0.0059 in) |
| (5) | 0.1 mm (0.0039 in) |
| (6) | 0.05 mm (0.0020 in) |
| (7) | 安装 |
必须加工所有曲轴轴颈的半径。 该加工必须使曲轴恢复为原装标准。 该半径必须能使轴颈和侧加工面间实现平稳过渡。
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| 图 4 | g01283119 |
典型实例 | |
加工曲轴后，必须将机油孔 (11) 边缘加工至原装标准。
机油孔
- 机油孔边缘的最大半径 ... 0.5 mm (0.0197 in)
所有轴颈表面抛光 ... Ra 0.2 微米
所有半径表面抛光 ... Ra 0.4 微米
机加工后，检查曲轴有无结构性裂纹。
有关连杆轴承轴颈和连杆轴承的更多信息，请参阅技术参数模块, "连杆轴承轴颈"部分。
有关主轴承轴颈和主轴承的信息，请参阅技术参数模块, "主轴承轴颈"部分。
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