Wheel Radial Load Fatigue Testing Machines

Wheel Radial Load Fatigue Testing Machine is a device with a rotating drum, which has a smooth surface and is wider than the contact area of the loading test tire. When the wheel is rotating, the test function applies a constant radial load to the wheel.

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Product Details

Description:

1. Test equipment

Wheel Radial Load Fatigue Testing Machine is a device with a rotating drum, which has a smooth surface and is wider than the contact area of the loading test tire. When the wheel is rotating, the test function applies a constant radial load to the wheel. The wheel loading direction should be perpendicular to the surface of the rotating drum, and the center of the wheel and the rotating drum should be in a straight line in the radial direction. The rotating drum axis and the axial line of the wheel should be parallel. The recommended max drum is 1700mm in diameter.

Wheel Radial Load Fatigue Testing MachinesWheel Radial Load Fatigue Testing Machines

2. Test procedures

(1). preparation for the test

The test wheels must be made of tyres with the maximum bearing capacity of the max specified by the wheel factory or the automobile factory. When testing a tubeless wheel, the inner tube will not be used. Recommended tire inflation pressure is 448 + 35kPa(when cold).Air pressure may be increased during the test, but no adjustments are required.

The test fitting shall be matched to the wheel and shall be installed with bolts and nuts specified for use on the wheel. The nuts shall be tightened at 115% of the lower value. During the test, the torque of the nut should be checked and adjusted regularly. Lubricant is not allowed in the nut.

The loading system shall maintain the specified load with an error of not more than + or - 2.5%.

If the test tyre is damaged during the test, it is allowed to continue the test after replacing the tire.

(2). Radial load

(3). Requirements for dynamic radial fatigue test

Hub nominal diameter

Enhancement test coefficient S

cycles

12, 13, 14, 15, 16, 17

1.6

100, 000,

16, 17 (selected)

1.35

250, 000,

(4). Failure determination basis

A) produce visible fatigue cracks at any part of the wheel (by coloring penetration or other acceptable methods, such as fluorescent flaw detection).

B) the wheels cannot continue to bear the load to the required number of cycles.

Description

Unit

Parameters

Diameter of Test Wheel

inch

0-24

Width of Test Wheel

inch

1-10

Diameter of Wheel Hub

mm

1708

Width of Wheel Hub

mm

450

Turn of Wheel Hub

No./min

100-400

Radial Beat of Wheel Hub

mm

>0.5

Motor Power

kw

22

Speed of Wheel

Km/h

50-120

Loading Way

Hydraulic Pressure

Sensor Capacity

KN

2000

Loading Pressure

KN

2000

Display Accuracy

1%

 

Features:

High stability of steel frame.

After testing, the dynamic balance is less than 60g.

With Mitsubishi PLC and function modules, HMI control system.

Wind cooling system for tyre.

Variable frequency motor.


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