Transcript 对减振器设计和制造的几点意见

中国汽车工业协会
——减振器分会
减振器设计和制造
2012.10.19
October 19, 2012
„All information contained in this chart is confidential and property of ZF Sachs AG (ZF Sachs). Any reproduction, disclosure or use is prohibited without the
prior written consent of ZF Sachs. ZF Sachs reserves worldwide all rights. This applies also to information disclosed by ZF Sachs orally on the occasion of the
presentation."
中国汽车工业协会
——减振器分会
减振器
设计
要素
分析
减振器设
计制造的
几点意见
October 19, 2012
„All information contained in this chart is confidential and property of ZF Sachs AG (ZF Sachs). Any reproduction, disclosure or use is prohibited without the
prior written consent of ZF Sachs. ZF Sachs reserves worldwide all rights. This applies also to information disclosed by ZF Sachs orally on the occasion of the
presentation."
Twintube Damper Construction
双筒减振器设计
Piston Rod Seal (油封)
Piston Rod Guide(导向器总成)
Piston Rod (连杆)
Cylinder Tube 内筒(工作缸)
Damper Oil(减振器油)
Rebound Stop (复原缓冲块)
Support Ring (复原限位座)
Piston Valve(活塞阀)
Outer Tube(外筒/储油筒)
Bottom Valve (底阀)
Bottom Outer Tube(储油筒底盖)
Mounting Eye (吊耳)
October 19, 2012
„All information contained in this chart is confidential and property of ZF Sachs AG (ZF Sachs). Any reproduction, disclosure or use is prohibited without the
prior written consent of ZF Sachs. ZF Sachs reserves worldwide all rights. This applies also to information disclosed by ZF Sachs orally on the occasion of the
presentation."
Twintube Damper Construction
双筒减振器设计
Seal
Outer Tube
PTFE Bushing
(PTFE衬套）
Seal (油封)
Reduction of
friction
(降低摩擦)
Double lip seal for oil
and single lip wiper seal for
dirt
Perbunan or Viton
(双层油唇口和单层防尘唇口)
Rod Guide(导向器
/粉末冶金件)
Sintered material
Closing
Process
Rod End
(连杆连接端头)
To customer requirements
按客户要求
Crimped as shown or
roll over
卷边或四点翻边封口
October 19, 2012
„All information contained in this chart is confidential and property of ZF Sachs AG (ZF Sachs). Any reproduction, disclosure or use is prohibited without the
prior written consent of ZF Sachs. ZF Sachs reserves worldwide all rights. This applies also to information disclosed by ZF Sachs orally on the occasion of the
presentation."
Twintube Damper Construction
双筒减振器设计
支承垫片support disc
单向阀片
cover disc
banded piston
衬套活塞
cover disc
单向阀片
valve plate
阀体
piston nut
活塞螺母
adjusting nut
调整螺母
star
spring
星行弹簧垫
片
coined
bleed
节流槽
piston ring
活塞环
restriciton disc
高速节流阀片
O-Ring
O型圈
piston spring
螺旋弹簧
October 19, 2012
„All information contained in this chart is confidential and property of ZF Sachs AG (ZF Sachs). Any reproduction, disclosure or use is prohibited without the
prior written consent of ZF Sachs. ZF Sachs reserves worldwide all rights. This applies also to information disclosed by ZF Sachs orally on the occasion of the
presentation."
Twintube Damper Construction
双筒减振器设计
piston rod
stud
support
disc
star
spring
cover
disc
(banded)
piston
restriciton
disc
piston
nut
cover
disc
O-Ring
valve
plate
piston
spring
adjusting
nut
October 19, 2012
„All information contained in this chart is confidential and property of ZF Sachs AG (ZF Sachs). Any reproduction, disclosure or use is prohibited without the
prior written consent of ZF Sachs. ZF Sachs reserves worldwide all rights. This applies also to information disclosed by ZF Sachs orally on the occasion of the
presentation."
Twintube Damper Construction
双筒减振器设计
conical spring
spring seat
锥形弹簧
弹簧座
coined bleed*
cover disc
节流槽
单向阀片
restriction disc
bleed/orifice disc*
高速节流阀片
节流垫片
disc stack
bottom vlave body
弹簧垫片
底阀阀体
rivet
* ) selectively bleed disc or coined bleed
October 19, 2012
铆钉
节流垫片/节流槽选择其一
„All information contained in this chart is confidential and property of ZF Sachs AG (ZF Sachs). Any reproduction, disclosure or use is prohibited without the
prior written consent of ZF Sachs. ZF Sachs reserves worldwide all rights. This applies also to information disclosed by ZF Sachs orally on the occasion of the
presentation."
World Design Twintube Damper
Base Valve Assembly
spring seat
conical spring
cover disc
restriction disc
bottom valve body
check valve *
bleed/orifice disc
spring discs
rivet
October 19, 2012
„All information contained in this chart is confidential and property of ZF Sachs AG (ZF Sachs). Any reproduction, disclosure or use is prohibited without the
prior written consent of ZF Sachs. ZF Sachs reserves worldwide all rights. This applies also to information disclosed by ZF Sachs orally on the occasion of the
presentation."
Material cost Standard components
October 19, 2012
„All information contained in this chart is confidential and property of ZF Sachs AG (ZF Sachs). Any reproduction, disclosure or use is prohibited without the
prior written consent of ZF Sachs. ZF Sachs reserves worldwide all rights. This applies also to information disclosed by ZF Sachs orally on the occasion of the
presentation."
对减振器设计和制造的几点意见
1.减振器的技术指标：
 工作环境温度： -45℃ → 50℃
 工作寿命（台架试验）： 1.5m/s → 106, 2.0m/s → 105,
3.0 m/s → 104
 高速特性： 1.5~2 m/s 的阻尼力
 侧向力： → 整车设计
 温度特性： → 油特性
 抗泡沫： Am=100mm, 2m/s 100行程
 阻尼力公差： ±20% → ±10% → ±7%
 防错：
弹簧盘设计
October 19, 2012
„All information contained in this chart is confidential and property of ZF Sachs AG (ZF Sachs). Any reproduction, disclosure or use is prohibited without the
prior written consent of ZF Sachs. ZF Sachs reserves worldwide all rights. This applies also to information disclosed by ZF Sachs orally on the occasion of the
presentation."
对减振器设计和制造的几点意见
2.减振器的零部件分析：




零部件的重要性及复杂性
高复杂性零件 → 标准化
低值高要求零件的选用 → 高质量零件
油封，导向衬套 → 系列化的设计，高要求的验证
October 19, 2012
„All information contained in this chart is confidential and property of ZF Sachs AG (ZF Sachs). Any reproduction, disclosure or use is prohibited without the
prior written consent of ZF Sachs. ZF Sachs reserves worldwide all rights. This applies also to information disclosed by ZF Sachs orally on the occasion of the
presentation."
对减振器设计和制造的几点意见
3.关键制造工序
3.1 底盖焊接
→ 跳动，外钢管长度公差的校正
3.2 支架的焊接
a）凸焊（电阻焊），b）电弧焊
3.3 弹簧盘的焊接
a）强度， b）位置
3.4 活塞及底阀的装配
在线补偿能力
3.5 封口
预紧力：筒式减振器， ~ 8000N
支柱减振器， ~14000N
3.6 充气
October 19, 2012
„All information contained in this chart is confidential and property of ZF Sachs AG (ZF Sachs). Any reproduction, disclosure or use is prohibited without the
prior written consent of ZF Sachs. ZF Sachs reserves worldwide all rights. This applies also to information disclosed by ZF Sachs orally on the occasion of the
presentation."
对减振器设计和制造的几点意见
4.新设备的研发，半自动化的推进




标准底盖焊接装置
支架的凸焊专机 高可靠性
活塞和底阀的流量测试和补偿
示功及充气一体化专机
October 19, 2012
„All information contained in this chart is confidential and property of ZF Sachs AG (ZF Sachs). Any reproduction, disclosure or use is prohibited without the
prior written consent of ZF Sachs. ZF Sachs reserves worldwide all rights. This applies also to information disclosed by ZF Sachs orally on the occasion of the
presentation."
中国汽车工业协会
——减振器分会
完毕！
October 19, 2012
„All information contained in this chart is confidential and property of ZF Sachs AG (ZF Sachs). Any reproduction, disclosure or use is prohibited without the
prior written consent of ZF Sachs. ZF Sachs reserves worldwide all rights. This applies also to information disclosed by ZF Sachs orally on the occasion of the
presentation."