Cylinder Head Valves
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| 图 1 | g00114735 |
典型示例 | |
(1) 至气门导管顶部的高度 ... 26.00 ± 0.50 mm (1.024 ± 0.020 in)
(2) 7N-1904 弹簧
- 测试力下的长度 ... 56.4 mm (2.22 in)
- 测试力 ... 254 ± 25 N (57.1 ± 5.6 lb)
- 测试后的自由长度 ... 62.5 mm (2.46 in)
- 外径 ... 43.96 mm (1.731 in)
- 测试力 ... 254 ± 25 N (57.1 ± 5.6 lb)
(3) 7N-1903 弹簧
- 测试力下的长度 ... 45.5 mm (1.79 in)
- 测试力 ... 125 ± 12 N (28 ± 2.7 lb)
- 测试后的自由长度 ... 51.5 mm (2.03 in)
- 外径 ... 29.24 mm (1.151 in)
- 测试力 ... 125 ± 12 N (28 ± 2.7 lb)
(4) 气门杆直径和气门导管孔径
- 气门导管区域中新气门杆的直径 ... 9.441 ± 0.008 mm (0.3717 ± 0.0003 in)
- 在将气门导管安装到缸盖中时，气门导管中的孔径为以下数值： ... 9.487 ± 0.025 mm (0.3735 ± 0.0010 in)
- 在将气门导管安装到缸盖中时，气门导管中可以再次使用的最大孔径为以下数值： ... 9.540 mm (0.3756 in)
- 在将气门导管安装到缸盖中时，气门导管中的孔径为以下数值： ... 9.487 ± 0.025 mm (0.3735 ± 0.0010 in)
(5) 气门头的直径 ... 56.00 ± 0.15 mm (2.205 ± 0.006 in)
(6) 气门表面的角度：
- 进气 ... 19.40 ± 0.25 度
- 排气 ... 44.40 ± 0.25 度
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| 图 2 | g00122935 |
典型示例 | |
(7) 缸盖中的气门座镶圈孔的深度 ... 14.00 ± 0.15 mm (0.551 ± 0.006 in)
(8) 气门座镶圈的直径
- 进气 ... 60.627 ± 0.015 mm (2.3869 ± 0.0006 in)
- 排气 ... 60.119 ± 0.015 mm (2.3669 ± 0.0006 in)
缸盖中的气门座镶圈孔孔径
- 进气 ... 60.508 ± 0.025 mm (2.3822 ± 0.0010 in)
- 排气 ... 60.000 ± 0.025 mm (2.3622 ± 0.0010 in)
(9) 气门座镶圈表面的角度
- 进气 ... 20 ± 0.25 度
- 排气 ... 45 ± 0.25 度
(10) 气门座镶圈表面的外径 ... 53.60 mm (2.110 in)
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