3114, 3116 and 3126 Industrial, Marine and Generator Set Engines Caterpillar


Camshaft

Usage:

AP-1000 1HD



图 1g00585728

典型实例

1 型凸轮轴

注: 1 型凸轮轴的止推垫圈 (2) 比 2 型凸轮轴的止推垫圈薄 0.05 mm (0.002 in)。

(1) 齿轮

加热齿轮以便于安装。 不要用喷枪。 将齿轮加热至最高温度。 ... 316 °C (600 °F)

(2) 止推垫圈的间隙

从凸轮轴台肩到齿轮表面的距离 ... 4.83 ± 0.05 mm (0.190 ± 0.002 in)
新止推垫圈的厚度 ... 4.65 ± 0.03 mm (0.183 ± 0.001 in)
新曲轴的轴向间隙 ... 0.18 ± 0.08 mm (0.007 ± 0.003 in)
磨损凸轮轴的最大允许轴向间隙 ... 0.64 mm (0.025 in)

(3) 凸轮轴轴颈

凸轮轴轴颈直径 ... 65.126 ± 0.013 mm (2.5640 ± 0.0005 in)

(4) 进气凸轮

(5) 喷油器凸轮

(6) 排气凸轮

2 型凸轮轴

注: 1 型凸轮轴的止推垫圈 (2) 比 2 型凸轮轴的止推垫圈薄 0.05 mm (0.002 in)。

(1) 档位

加热齿轮以便于安装。 不要用喷枪。 将齿轮加热至最高温度。 ... 316 °C (600 °F)

(2) 止推垫圈的间隙

从凸轮轴台肩到齿轮表面的距离 ... 4.83 ± 0.05 mm (0.190 ± 0.002 in)
新止推垫圈的厚度 ... 4.70 mm (0.185 in)
新曲轴的轴向间隙 ... 0.13 ± 0.05 mm (0.005 ± 0.002 in)
磨损凸轮轴的最大允许轴向间隙 ... 0.64 mm (0.025 in)

(3) 凸轮轴轴颈

凸轮轴轴颈直径 ... 65.126 ± 0.013 mm (2.5640 ± 0.0005 in)

(4) 进气凸轮

(5) 喷油器凸轮

(6) 排气凸轮




图 2g00291256

典型实例

(7) 特定凸轮凸角升程

7C-4014 凸轮轴

7C-4016 凸轮轴

注: 标识位于凸轮轴端部。

排气凸轮 ... 9.283 ± 0.100 mm (0.3655 ± 0.0039 in)

进气凸轮 ... 9.283 ± 0.100 mm (0.3655 ± 0.0039 in)

喷油器凸轮 ... 9.733 ± 0.100 mm (0.3832 ± 0.0039 in)

6I-4098 凸轮轴

注: 标识位于凸轮轴端部。

排气凸轮 ... 7.459 ± 0.100 mm (0.2937 ± 0.0039 in)

进气凸轮 ... 9.289 ± 0.100 mm (0.3657 ± 0.0039 in)

喷油器凸轮 ... 9.842 ± 0.100 mm (0.3875 ± 0.0039 in)

101-4538 凸轮轴

105-1560 凸轮轴

1W-8635 凸轮轴

113-6099 凸轮轴

注: 标识位于凸轮轴端部。

排气凸轮 ... 7.456 ± 0.100 mm (0.2935 ± 0.0039 in)

进气凸轮 ... 9.264 ± 0.100 mm (0.3647 ± 0.0039 in)

喷油器凸轮 ... 10.305 ± 0.100 mm (0.4057 ± 0.0039 in)

100-6300 凸轮轴

107-7603 凸轮轴

注: 标识位于凸轮轴端部。

排气凸轮 ... 7.459 ± 0.100 mm (0.2937 ± 0.0039 in)

进气凸轮 ... 9.264 ± 0.100 mm (0.3647 ± 0.0039 in)

喷油器凸轮 ... 10.305 ± 0.100 mm (0.4057 ± 0.0039 in)

105-1544 凸轮轴

115-4131 凸轮轴

注: 标识位于凸轮轴端部。

排气凸轮 ... 7.456 ± 0.100 mm (0.2935 ± 0.0039 in)

进气凸轮 ... 9.264 ± 0.100 mm (0.3647 ± 0.0039 in)

喷油器凸轮 ... 9.773 ± 0.100 mm (0.3848 ± 0.0039 in)

133-4984 凸轮轴

136-0593 凸轮轴

注: 标识位于凸轮轴端部。

排气凸轮 ... 7.459 ± 0.100 mm (0.2937 ± 0.0039 in)

进气凸轮 ... 9.264 ± 0.100 mm (0.3647 ± 0.0039 in)

喷油器凸轮 ... 9.733 ± 0.100 mm (0.3832 ± 0.0039 in)

利用以下程序确定凸角升程:

  1. 测量凸轮凸角高度 (8) 。

  1. 测量基圆 (9) 。

  1. 将步骤 2 中得到的基圆直径从步骤 1 中得到的凸角高度中减去。 二者之差就是实际凸轮凸角升程 (7) 。

注: 根据相应的可再用零件准则确定凸轮轴是否磨损过度。

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