减振器技术标准CH-EN

二十大报告主题减振器各零部件图纸技术要求中英文对照表
一、技术要求    Technical Requirement/Notes
二、培霖衬套Guide bush2430182302
1、塑料表面应光滑、颜均匀、无明显的脱层、起泡、剥落、无铁屑。
The surface of plastic should be smooth, color uniform, no appearance pull off, blister, peel and no scrap iron.
2、倒角应均匀、无毛刺、端面应平齐。
The chamfering should be uniform, free from burrs and even.
3、 将衬套压入环规φ25阿替普酶0+0.021后,测试检查衬套内径应保证φ220+0.021且接缝应接合,平齐,无涂层脱落。
Press the bush into the ring gage of φ250+0.021to inspect the OD of bush should beφ2
20+0.021 , and the seam should be joint, even and no blister of coat.
4、其余特性指标应符合DU轴承标准。
Other characteristic should be accord with DU bearing standard.
三、油封 oil seal (24303160001
(一)技术要求 Technical Requirement
1、使用要求:
Requirement:
(1)运动型式:往复运动。
Move type: to-and-fro
(2)安装条件:
Installation
a.活塞杆:直径φ20 材料:45。表面镀硬铬,硬度850HV以上;表面粗糙度不大于Ra0.1
Piston rod: diameter φ20; Material: 45.Hard chrome plate, Hardness above 850HV, surface roughness not above Ra0.1.
b.介质:减振器专用油。
Medium: Shock absorber oil.
碘甘油
2、使用寿命:装入减振器中,按QC/T545-1999的规定进行400万次台架试验不渗漏油。
Durability: filled into shock absorber, no oil leakage after 4 million cycles durability test according to QC/T545-1999.
二.油封材料要求Material requirement
1.橡胶:特殊NBR;硬度:85±5HS。
rubber: Special NBR; Hardness: 85±5HS.
2.骨架:SPCC。
framework: SPCC.
3.主唇口弹簧:SVS004。
Main lip: SVS004.
4.副唇口弹簧:SWC。
framework spring: SWC.
其他要求:Other requirement
1.耐寒性:-30无裂纹;
Anti-cold: no crack under -30.
2.表面光洁、去飞边。
Surface: smooth, no splash.
四、导向器 Guide24303160002
1. 倒角处去毛刺;
No burrs at chamfering place;
2..未注尺寸公差以 GB1804-m级执行;
Under mentioned tolerance should be according to GB1804-m;
3.密度:不小于6.4g/cm 
Density: not less than 6.4g/cm
4.表面硬度HB80~130;
Surface hardness HB80~130;
5.轴向压馈强度不小于10kN;
The pressure strength of axle should not be less than 10kN;
五、导向器总成 Guide Assy24303161200中亚滨藜)
1、φ180+0.021尺寸用塞规检验
φ180+0.021空中舞星 inspect by plug gauge;
2、件1压出力应大于2000N 
Press out force of part I should be larger than 2000N
六、活塞杆  Piston rod2437141001
1、倒棱,去毛刺。
Chamfer, no burrs
2、表面镀铬,铬层厚度为20±5μm,镀层粗糙度均匀。
Chrome plate on surface, single side thickness is 20±5um, chrome plate to be uniform, no damage, scratch, spots, etc. Chrome plate hardness above HV900.
3、镀铬段高频淬火,其深度0.8~1.2mm,硬度HRC45~50。
High frequency quench on chrome plate section, depth 0.8-1.2mm, Hardness HRC45-50.
4、镀铬后在200下保温2小时(去氢),消去应力。
Keep 2 hours under 200 to remove hydrogen after chrome plate and to remove stress.
5、未注公差的线性尺寸,按GB1804-m级执行,未注公差的角度,其偏差值为±1
Unmentioned linearity dimension tolerance should be accord with GB/T 1804-m. Unmentioned angle tolerance is ±1.
6、螺纹用滚压方法加工。
七、复原阀总成 Rebound valve安全第一网2437143000
1组装时应保持各零件清洁。
Clean all the parts.
2按顺序装配。
All the parts should be assembly in proper order.
3装好后铆开,扭力:21kgf/cm铆紧气压 0.4~0.42MPa。
Rivet after assembly, twisting force is 21kgf/cm,  rivet pressure force is 0.4~0.42MPa.
八、限位套  Rod stopper2530151102
1、零件应去除毛刺及飞边;
Parts should be free from burrs and splash.
2、冲裁面 
Tup  ;
3、未注线性尺寸公差按GB/T1804-
Unmentioned tolerance should be accord with GB/T1804-m.
九、缓冲尼龙套  Rod nylon stopper2530151103
1、零件表面应平整、光滑;
Parts surface should be even and smooth;
2、压溃强度在10KN以上。
Pressure strength should be over 10KN.
十、活塞杆总成  Piston rod assySEJ00427
1装配时不得碰伤活塞杆外表面及螺纹;
While assembly, no scratch on piston rod and screw.
2焊接后,活塞杆不得有任何变形。
No distortion on piston rod after welding.
3焊接区抗剪切负荷P≥10kN。
Anti-cut load in welding area should beP≥10KN.
十一、复原调整片 Adjust valve disc
1、 厚度 T=0.50 mm;
Thickness T=0.50 mm;
2、 不得有毛刺、缺隙、凹凸点等缺陷;
No defectives such as burrs, flaws and concavo & convex spots.
3、 防锈处理;
Anti-dust treatment;
4、 平面度不大于0.013mm;
Planness should be not large than 0.013mm;
5、 未注公差的线性尺寸的公差按GB/T1804-m执行。
Unmentioned tolerance of linearity dimension should be accord with GB/T1804-m.
十二、复原阀弹簧  Rebound spring
1. 去毛刺。
Free from burrs.
2. 两端圈并紧并磨平,弹簧轴心线与两端圈的垂直度为0.5mm。
Fasten both sides and rubdown, uprightness of spring axle and both sides is 0.5mm.
3. 卷绕后回火处理,立定处理。
Temper treatment after convolution, halt treatment.
4. 表面处理:HY。
Surface treatment: HY.
十三、复原阀弹簧座 Rebound valve spring base
1. 去毛刺。
Free from burrs.
2. 未注公差的线性尺寸的公差按GB/T1804-m执行。
Unmentioned tolerance should be accord with GB/T1804-m.
3.冲裁面 
Tup
十四、复原阀片 Rebound valve
1、厚度 T=0.15 mm;
Thickness T=0.15 mm;
2、不得有毛刺、缺隙、凹凸点等缺陷;
No burrs, gaps and spots.
3、防锈处理;
Anti-rust

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