Camshaft
有关凸轮轴再使用的相关信息,请参阅再使用零件和修补操作指南, SEBF8146, "凸轮轴的目视检查"和再使用零件和修补操作指南, SEBF8097, "凸轮轴的测量"。
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图 1 | g01380521 |
(1) 凸轮轴驱动齿轮 (2) 凸轮轴 |
(A) 新凸轮轴轴承轴颈的直径 ... 69.850 ± 0.013 mm (2.7500 ± 0.0005 in)
新凸轮轴的前后轴承孔 ... 69.969 ± 0.048 mm (2.7547 ± 0.0019 in)
新凸轮轴的内轴承 ... 69.982 ± 0.061 mm (2.7552 ± 0.0024 in)
(B) 定位销的突出量 ... 8.76 ± 0.25 mm (0.345 ± 0.010 in)
(C) Plate
- 新止推片的厚度 ... 4.65 ± 0.03 mm (0.183 ± 0.001 in)
- 新凸轮轴中套筒的厚度 ... 4.83 ± 0.05 mm (0.190 ± 0.002 in)
- 凸轮轴的端隙 ... 0.10 至 0.25 mm (0.004 至 0.010 in)
- 新凸轮轴中套筒的厚度 ... 4.83 ± 0.05 mm (0.190 ± 0.002 in)
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图 2 | g01380522 |
(E) 凸轮轴凸尖升程
规定的凸轮轴凸尖升程
- 排气凸轮 ... 8.783 mm (0.3458 in)
- 进气凸轮 ... 8.100 mm (0.3189 in)
使用以下步骤以确定高度:
- 测量凸轮轴凸尖高度 (D) 。
- 测量基圆 (F) 。
- 从凸尖高度 (D) 中减去基圆 (F) 。 二者之差就是凸轮轴凸轮实际升程。
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