Brake Dynamometer Test Report

Transcription

1 Brake Dynamometer Test Report Link Test Report #: 7-4 Test Description: US Traffic Noise and Wear test Customer Reference: Program # LCA.SPT Platform: Lining Material: Test Date: 6/ TA, 6/ TA // Requested By: Jane Peng and P.A.Castro Labandeira Tested By: Testing Coordination and Facility Link Transportation Testing Technology (Shanghai)Co., Ltd Building No., 778 Zhao Xian Road, Jiading District, Shanghai Shanghai, 8 Phone: () Fax: () 96-99

2 7-4 US Traffic Noise and Wear test Test Information Customer Name Requestor Jane Peng and P.A. Castro Labandeira Test Procedure Shifts using NVH dyno Program Number LCA.SPT Test Coordinator Nicky Mao Technician Jerry he Dynamometer 46 Parts received, start and end dates -9-4, /4/ - /6/ Datalog, Template version.4,. Setup Details Fixture Identification Fixture Design Drive adapter method Dynamometer Information Gross Axle Weight Required Wheel Load Actual Wheel Load Required Inertia Actual Inertia Knuckle 7.9 mm kg kg kg 6. kg m² 6.8 kg m² Brake Information Brake Platform Brake Type Disc Brake Size *6 Brake ID Number 49 Drum/Rotor Type Standard Drum/Rotor Finish New Pri/Lead/Inner Lining 6/ TA Sec/Trail/Outer Lining 6/ TA Orientation Left Effective Radius 7. mm Number of Pistons/Cyls Coefficient Multiplier Piston Diameter.8 7. mm Comments: USCT test on pads TA...8 :9: Processed by: Nicky Mao Signature: +8'' Date // Approved by: Kevin Jiang Signature: Date // Data applicable to the materials tested. Report can be copied in full. Bilateral uncertainty of measurements.6% of FS. Coverage factor of. Confidence of 9%. Details available upon request. Page of 8 Date Printed: /8/

3 Cummulative Occurence [%]. Test Request #: 7-4 Average Wear Specific Wear Weight Loss Calculated Life US City Traffic Noise and Wear Simulation Summary Noise Index 9.6 Calculated Lining Life, km Cummulative Percentage of Noisy Stops Wear Summary Table Inner Pad Outer Pad Rotor Units.7 Noise Level [db(a)].6, 6, , mm g/mj Life calculated using the following Thicknesses (mmnominal Thicknesses (mm): Backing Plate 6. Inner Pad Minimum Rotor.46 Outer Pad Minimum Lining Rotor g km Test Description: Effective Radius 7. mm Rotor 49 Piston Diameter x7. mm Primary Lining: 6/ TA Actual Inertia 6.8 kg m² Shifts using NVH dyno Secondary Lining: 6/ TA Actual Wheel Load kg 7.9 mm Frequency [Hz] Pressure [bar] Spl & Pressure vs. Temperature > Initial Temp [C] Stop # vs. Frequency [Hz] > Stop # Page of 8 Date Printed: /8/

4 7-4. Cummulative Percentage of Noisy Stops Noise Index = 9.6 Overall Shift # Shift # Shift # Shift #4 Shift # *Noisy Stops defined as those with Max SPL>7dB(A) Absolute % of Noisy Stops vs. Average Pressure Relative Occurence (%) Occurrence (% Absolute) db(a) Absolute % of Noisy Stops vs. Initial Rotor Temp Average Pressure (bar) Absolute % of Noisy Stops vs. Braking Speed Occurrence (% Absolute) Initial Rotor Temperature ( C) Occurrence (% Absolute) Braking Speed (kph) Test Description: Effective Radius 7. mm Rotor 49 Piston Diameter x7. mm Primary Lining 6/ TA Actual Inertia 6.8 kg m² Shifts using NVH dyno Secondary Lining 6/ TA Actual Wheel Load kg 7.9 mm Page 4 of 8 Date Printed: /8/

5 7-4 Number of Noisy Stops Percentage (%) Noisy Stops (per frequency range / shift) (per frequency range) Frequency Range Threshold Overall Shift # Shift # Shift # Shift #4 Shift # Overall Cold khz to 7 khz khz to 4 khz 4 khz to 6 khz 6 khz to khz khz to 4 khz 4 khz to 7 khz >7 db(a) >7 db(a) >7 db(a) >7 db(a) >7 db(a) >7 db(a).%.%.%.%.%.% >8 db(a) >8 db(a) >8 db(a) >8 db(a) >8 db(a) >8 db(a).%.%.%.%.%.% Max SPL per Frequency Range (All stops) Total # of Stops 4 khz to 4 khz 4 khz to 6 khz 6 khz to khz khz to 4 khz 4 khz to 7 khz Noise Threshold SPL [db(a)] Frequency (Hz) Test Description: Effective Radius 7. mm Rotor 49 Piston Diameter x7. mm Primary Lining 6/ TA Actual Inertia 6.8 kg m² Shifts using NVH dyno Secondary Lining 6/ TA Actual Wheel Load kg 7.9 mm Page of 8 Date Printed: /8/

6 7-4 Initial Final Loss Inboard Pad Thickness (mm) Average Mass (gram) Tangential Wear Radial Wear Cup Wear 8.6%.4% -.7% Outboard Pad Thickness (mm) Average Mass (gram) Initial Final Loss Tangential Wear Radial Wear.4% 4.% Cup Wear.% Rotor Thickness (mm) Inner Outer 4 4 Average Mass (gram) Initial ,8. Final ,89.8 Loss Outboard Pad Inboard Pad 8 4 *Tangential wear =Avg(,8) - Avg(4,) *Radial wear =Avg(,,,4) - Avg(,6,7,8) * reported as percentage of max *Cup wear =Avg(,8,4,) - Avg(,,7,6) ** scale factor of used for pad wear diagrams Test Description Effective Radius 7. mm Rotor 49 Piston Diameter x 7. mm Primary Lining 6/ TA Actual Inertia 6.8 kg m² US Traffic Noise and Wear test Secondary Lining 6/ TA Actual Wheel Load kg 7.9 mm Page 6 of 8 Date Printed: /8/

7 7-4 Initial Final Initial Final Rotor Inboard Outboard Get Pic Get Pic Get Pic Get Pic4 Friction Inner Pad Backing Plate Get Pic Get Pic6 Get Pic7 Get Pic8 Friction Outer Pad Backing Plate Get Pic9 Get Pic Get Pic Get Pic Test Description: Shifts using NVH dyno Effective Radius 7. mm Rotor 49 Piston Diameter x 7. mm Primary Lining: 6/ TA Actual Inertia 6.8 kg m² Secondary Lining: 6/ TA Actual Wheel Load kg 7.9 mm Page 7 of 8 Date Printed: /8/

8 7-4 Initial Setup Final Get Pic Get Pic Get Pic Get Pic4 Test Description: Shifts using NVH dyno Effective Radius 7. mm Rotor 49 Piston Diameter x 7. mm Primary Lining: 6/ TA Actual Inertia 6.8 kg m² Secondary Lining: 6/ TA Actual Wheel Load kg 7.9 mm Page 8 of 8 Date Printed: /8/

9 Project Information 项目信息 Customer Company Name 客户公司名称 Customer Contact Name 客户联系人 Customer Contact Phone 客户联系号码 Customer Reference 客户参考号 Rqted Test Procedure No. & Ver. No. 测试要求标准号及版本号 Requested Test Project Description 测试要求标准描述 Ready Date of All Test Parts 所有测试部件就绪日期 Script Name 程序名 Link Test Engineer 林科测试工程师 Initial Technician 主要技师 7 4 Danaher Auto Spare Parts Co.,Ltd. Dyno Lining Orientation Pri/Lead/Inner Sec/Trail/Outer N- (9SR) 测试台架摩擦材料方位第一 / 领蹄 / 内第二 / 从蹄 / 外 Jane Peng Fixture ID Lining ID LC-F-9 夹具号摩擦片号 6/ TA 6/ TA Fixture Type Lining Formulation No. Knuckle 夹具类型摩擦材料配方号 TA TA Drive Connected Method Batch # (Lot) Spool Driver 驱动连接方式批次号 US City Traffic Brake Car Model and Platform With/Without Slot 制动车型与平台是否有开槽 Yes Yes Shifts using NVH dyno Compressibility Caliper/Brake Information 制动钳信息可压缩性 -9-4 Caliper ID Insulator Type 664 制动钳编号消音片类型 No Insulator No Insulator LCA.SPT Caliper Type Insulator Name 制动钳类型消音片名称 Nicky Mao Caliper Condition Chamfer Type Used 制动钳状态倒角类型 Parallel Parallel He Yanbin Caliper Mounting Angle Position Lining Condition 制动钳安装角度位置摩擦片状态 New New No. of Pistons / Diameter *** Lining Add. Comments 7 活塞数量 / 活塞直径 [mm] 摩擦片额外信息注释 Effective Radius (mm) *** Lining Nature Frequencies 7. 有效半径摩擦片固有频率 Test Conditions 测试条件 No No Gross Vehicle Weight GVW (kg) 车辆满载重量 Required Wheel Load (kg) 轮毂承载 (mm) *** 转动半径 Required Inertia (kgm) *** 转动惯量 Vmax *** 最大速度 [kph] Brake Type 制动类型 Axle Position 轴位置 Brake Orientation *** 位置 Brake Method 制动方法 Brake Hose ID 制动软管编号 Brake Hose Condition 制动软管状态 8.. Rotor/Drum ID 制动盘 / 鼓编号 Rotor/Drum size&condition 制动尺寸和状态 *6 New 6. Drum/Rotor Type 制动盘类型 Standard. LRO Req Before/After 侧向跳动 [micron] 4 micron micron Disk Eff Pressure Offset *** 活塞移动起始压力 [Bar]. Front Rotor/Drum Manufacturer 碟 / 鼓制造商 Left Rotor/Drum Nature Frequencies 碟 / 鼓固有频率 No Hydraulic TC Install Instruction 热电偶安装说明 TC# Control 主控温度通道 Depth 深度 (mm) Inner 内表面 Outer 外表面 Type 类型 Used Highlighted field should be filled out by customer as far as possible, don't change format. 标注颜色字段请客户尽可能填写, 请不要修改本格式 Test Request Document 测试需求文档 ID of File 文件编号 : LC-L-.4-L4-8-4 Revised Version 修订日期 :--9 Setup Information 安装信息 Rotor/Drum Information 制动盘 / 鼓信息 Rotor/Drum 制动盘 / 鼓 Pri/Lead/Inner Lining 主动 / 领蹄 / 内摩擦片 Sec/Trail/Outer Lining 从动 / 从蹄 / 外摩擦片 出风管内 Project Additional Comments 项目的额外的批注 Picture Need or Not? *** 是否需要图片 Wear Data Need or Not? *** 是否需要磨损数据 Measure with Insulator? *** 是否带消音片测量 How to Measure Lining *** 测量摩擦片 / 蹄厚度方式 DTV meaurement scale if need DTV? 量程? 要求 (micron)? Offline Rotor Mapping? 额外的离线 DTV Offline Comressibility? 额外的离线压缩性试验 ECU Control Mode ECU 控制模式 7-4 Actual Measurement Depth 实际深度 TC Yes. Yes Embed 埋入. US City test on pad TA. LINK Project No & Line No 林科项目号 & 序号 Pads/Linings 摩擦片 Miscellanous 杂项 Yes Yes No Paint Points 油漆点 No No Full Auto 全自动 s of Report Distribution (Separated by ;) 接收测试报告人员 清单 ( 用 ; 分隔 ) Page, Pages