I. Equipment Name: Car Wheel Radial Load Fatigue Testing Machine

II. Equipment Model: SD-LDP-30    Two Stations

III. Implementation Standards:

QC/T 221 Performance Requirements and Test Methods for Automotive Light Alloy Wheels

GB/T 5334-2005 Performance and Test Methods for Passenger Car Wheels

IV. Purpose of the Car Wheel Radial Load Fatigue Testing Machine: The computer-controlled wheel radial load fatigue testing machine is primarily used to test the radial load fatigue performance of wheels.

Jinan Shangdi Electronic Technology Co., Ltd. is dedicated to the research, development, and production of wheel testing equipment. The car wheel radial load fatigue testing machine is a standard device for automotive wheel testing. It primarily simulates the condition of a vehicle under load to test the fatigue resistance of the wheel hub during prolonged operation.

V. Technical Specifications:

5.1 Main Unit: Vertical frame with tire cooling device

5.2 Test Stations: 2 stations

5.3 Loading Method: Servo motor closed-loop loading

5.4 Test Speed: 140km/h

5.5 Test Force: 30000N, indication accuracy ±1% from 20%FS

5.6 Test Speed Range: 20～140km/h

5.7 Drum Radial Runout: Less than 0.25mm

5.8 Drum Imbalance: Less than 5g

5.9 Drum Surface Roughness: Less than 3.2μm

5.10 Drum Diameter: 1700±0.25mm

5.11 Drum Face Width: 400mm

5.12 Test Wheel Diameter: 13-26" (set according to customer-provided sample size, must report tire size)

5.13 Test Wheel Width: 4-12" (set according to customer-provided test size, must report tire width)

5.14 Fitted Tire Outer Diameter: Φ500 ~ Φ1000 (set according to customer-provided size)

5.15 Display Cumulative Test Cycles and Test Mileage:    10⁷  Automatically stops upon reaching the set number of cycles

5.16 Total Motor Power: 55kw.

5.17 Load Cell: 3T

5.18 Total Equipment Weight: Approximately 10T

5.18 Loading Method: Closed-loop loading control