曲轴扭转减振器项目介绍

曲轴扭转减简介震器项目介绍
Pulley Asm-damper-Crankshaft Introduction
Introduction for Tuopu R & D -- TVD
Pulley & Damper
q轮系 Pulley & Damper
技术能力
•扭转减振器 Torsional Vibration Damper (TVD)
Component structure design
技术能力
•应力分析
www.tuopu.com
•Stress at 2 times max torque
•Stress at 2 times max speed
22
2200046--171
Tuo p u
Introduction for Tuopu R & D -- TVD
Design of rubber recipe
技术能力
Constitutive Model for Hyperelastic Material
• Uniaxial Tension Test • Planar Tension Test • Biaxial Tension Test • Stress Relaxation Test • Fitting Test Data
2500 RPM
6
3500 RPM
4500 RPM
4
2
0
0
100
200
300
400
500
600
700
Crank Angle(Degree)
13
2200046--171
Introduction for Tuopu R & D -- TVD
Input of subsystem parameter
•Input
Tuo p u
4
2200046--171
Introduction for Tuopu R & D -- TVD
Vibration model of crankshaft pulley
技术能力
www.tuopu.com
Tuo p u
5
2200046--171
Introduction for Tuopu R & D -- TVD
www.tuopu.com
技术能力
扭转减振器功能 The Function of TVD
•消减曲轴扭转振动，提高曲轴的疲劳寿命，减少应力水平 To isolate torsional vibration of crankshaft and improve fatigue resistance and reducing the inner stress •传递扭矩，衰减扭矩波动 To transmit torque, reduce torque wave •减少整车的振动、噪音 To improve NVH performance
•转向泵轮、水泵轮、压缩机带轮 Attachment Pulley
•惰轮、张紧轮 Tensioner & Idle Pulley
www.tuopu.com
Tuo p u
2
2200046--171
Introduction for Tuopu R & D -- TVD
Representative Products
Introduction for Tuopu R & D -- TVD
Input of subsystem parameter
技术能力
www.tuopu.com
•曲轴＋飞轮＋活塞连杆机构数模 Get crankshaft subsystem mathdata
•CAE分析获得曲轴系的扭转模态和弯曲 模态 get torsional and bending mode frequency of crankshaft subsystem
Introduction for Tuopu R & D -- TVD
Subsystem analysis and Optimization
www.tuopu.com
• 扭转减振器设计参数输出
技术能力
系统计算输出：惯量、固有频率、扭转刚度、阻尼
Initial design structure base on subsystem calculation (inertia、torsional
Pulley for VW
Tuo p u
Pulley for Peugeot
Pulley for Peugeot
Pulley for Benz
Pulley for BMW
Pulley for Fiat
3
2200046--171
Introduction for Tuopu R & D -- TVD
The Function of TVD
of
torque
curve
at
full
load
技术能力
and
zero
load
www.tuopu.com
Tuo p u
14
2200046--171
Introduction for Tuopu R & D -- TVD
Subsystem analysis and Optimization
www.tuopu.com
•实测曲轴系的扭转和弯曲模态 Test torsional and bending mode of crankshaft subsystem.
Tuo p u
12
2200046--171
Introduction for Tuopu R & D -- TVD
Input of subsystem parameter
www.tuopu.com
•气缸压力曲线
Input
cylinder
pressure
技术能力
data
at
full
load
and
zero
load
•获得发动机的点火时序 Determine fire order
14
12
Pressure(MPa)
Tuo p u
10
1000 RPM
8
1500 RPM
2000 RPM
Flow of TVD Development
技术能力
曲轴扭转减振器开发流程 Flow of TVD Development
• 子系统规范
Input of technical specification of subsystem
• 子系统设计参数 Input of subsystem parameter
•扭转减振器参数设计优化
技术能力
•惯量比 Inertial ratio
•固有频率 Natural frequency
•阻尼 Damping
www.tuopu.com
Tuo p u
17
2200046--171
Introduction for Tuopu R & D -- TVD
Subsystem analysis and Optimization
Tuo p u
7
2200046--171
Introduction for Tuopu R & D -- TVD
TVD Type
• 双模态（Torsion and bending mode) 技术能力
www.tuopu.com
Tuo p u
8
2200046--171
Introduction for Tuopu R & D -- TVD
• 子系统分析及优化 Subsystem analysis and Optimization
• 零件结构设计和分析 Component structure design and FEA
• 橡胶配方设计
Design of rubber recipe
• 零件测试验证
Test validation for Component
Subsystem analysis and Optimization
www.tuopu.com
• 曲轴扭振分析
技术能力
Total
ຫໍສະໝຸດ Baidu2.5
2 Order
4 Order
2.0
4.5 Order
5.5 Order
6 Order
1.5
6.5 Order
8 Order
1.0
0.5
0.0 1000
2000
3000
TVD Type
•单模态 (Single torsion mode)
技术能力
www.tuopu.com
Tuo p u
6
2200046--171
Introduction for Tuopu R & D -- TVD
TVD Type
• 双模态（Double torsion mode)
技术能力
www.tuopu.com
stiffness、 natural frequency 、damping)
Tuo p u
19
2200046--171
Introduction for Tuopu R & D -- TVD
Component structure design --3D math data
技术能力
• 周边空间要求 Base on package requirements
Input of technical specification of subsystem
技术能力
•SOR and SSTS
•Design responsibility •Product requirements •Timing •Design data
www.tuopu.com
Tuo p u
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2200046--171
技术能力
• 曲轴扭振分析 （匹配扭转减振器）
• Analysis vibration of crankshaft with TVD at load case
www.tuopu.com
Tuo p u
Angular displacement of crankshaft with TVD
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2200046--171
4000
5000
6000
Engine Speed [rpm]
7000
Angular displacement of crankshaft w/o TVD
16
2200046--171
Introduction for Tuopu R & D -- TVD
Subsystem analysis and Optimization
• 零件结构类型（单或双自由度） Determine pulley structure dual or
simple mode base on subsystem analysis. • 系统计算输出：惯量、刚度、固有频 率、阻尼
Initial design structure base on subsystem calculation (inertia、torsional stiffness、natural frequency、damping)
技术能力
www.tuopu.com
Pulley for SGM
Pulley for SGM
Pulley for GM
Pulley for Audi
Pulley for Audi
Pulley for Renault
Pulley for Renault
Pulley for Peugeot
Pulley for VW
• 子系统测试验证 Torsional Vibration and Noise Test
• 生产控制
Product control and quality control
www.tuopu.com
Tuo p u
10
2200046--171
Introduction for Tuopu R & D -- TVD
www.tuopu.com
Tuo p u
23
2200046--171
Introduction for Tuopu R & D -- TVD
TVD Type
www.tuopu.com
技术能力
• 硅油减振器&橡胶硅油减振器
Silicone Damper and Rubber & Silicone Damper
•Filled with silicone
Tuo p u
9
2200046--171
Introduction for Tuopu R & D -- TVD
Tuo p u
www.tuopu.com
20
2200046--171
Introduction for Tuopu R & D -- TVD
Component structure design
技术能力
•模态分析
www.tuopu.com
Tuo p u
21
2200046--171
Introduction for Tuopu R & D -- TVD
技术能力
• 计算轴系的模态频率
Calculation and analysis crankshaft mode frequency without TVD
Tuo p u
15
2200046--171
Angular Displacement [deg]
Tuo p u
Introduction for Tuopu R & D -- TVD