Car Brake Pad Dynamometer – Tpye A

Short Description:

Testable test items
1	Brake running in test
2	Brake assembly performance test (brake efficiency test, decay recovery test, decay test, etc.)
3	Wear test of brake lining
4	Brake drag test (KRAUSS test)
5	Noise(NVH) test, Brake static friction torque and parking torque measurement (*)
6	Drenching and wading test (*)
7	Environmental simulation test (temperature and humidity) (*)
8	DTV Test (*)
Note: (*) indicates optional test items

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1. Application:

This integrated dynamometer uses horn brake assembly as the test object, and simulates inertia loading by mixing mechanical inertia and electrical inertia to complete brake performance testing. The brake dynamometer can realize the braking performance appraisal and evaluation test of various types of Passenger cars, as well as the braking performance test of automobile brake assemblies or braking components. The device can simulate the real driving conditions and the braking effect under various extreme conditions to the greatest extent, so as to test the real braking effect of the brake pads.

2. Advantages:

2.1 The host machine and test platform adopt the similar bench technology of German Schenck company, and there is no foundation installation method, which not only facilitates the installation of equipment, but also saves a large amount of concrete foundation cost for users. The damping foundation adopted can effectively prevent the influence of environmental vibration.

2.2The flywheel inertia adopts a mechanical and electrical hybrid simulation method, which not only has a compact structure but also achieves effective compensation for stepless loading of inertia and bearing loss.

2.3 The sliding ring installed at the spindle end can achieve temperature measurement of rotating parts

2.4 The static torque device automatically disengages and interlocks with the main shaft through the clutch, and the speed is continuously adjusted.

2.5 The machine adopts Taiwan Kangbaishi hydraulic servo brake pressure generation system, which operates stably and reliably with high precision in controlling pressure.

2.6 The bench software can execute various existing standards, and is ergonomically friendly. Users can compile test programs by themselves. The special noise test system can run independently without relying on the main program, which is convenient for management.

2.7 The typical standards that the machine can execute are as follows:

AK-Master,VW-PV 3211，VW-PV 3212，VW-TL110，SAE J212, SAE J2521， SAE J2522，ECE R90, QC/T479，QC/T564， QC/T582， QC/T237, QC/T239， JASO C406，JASO C436,Ramp，ISO 26867, etc.

3. Technical Parameter:

Main Technical parameters
Motor power	160kW
Speed range	0-2400RPM
Constant torque range	0-990RPM
Constant power range	991-2400RPM
Speed control accuracy	± 0.15%FS
Speed measure accuracy	± 0.10%FS
Overload capacity	150%
1 Inertia system
Test bench foundation inertia	Around 10 kgm²
Dynamic inertia flywheel	40 kgm² * 1, 80 kgm² * 2
Maximum mechanical inertia	200 kgm²
Electrical analog inertia	±30 kgm²
Analog control accuracy	±2 kgm²
2 Brake drive system
Maximum brake pressure	21MPa
Maximum pressure rise rate	1600 bar/sec
Brake fluid flow	55 ml
Pressure control linearity	< 0.25%
3 Braking torque
The sliding table is equipped with a load sensor for torque measurement, and the full range	5000 Nm
Measurement accuracy	± 0.2% F.S.
4 Temperature
Measuring range	-25℃~ 1000℃
Measurement accuracy	± 1% F.S.
Compensation line type	K-type thermocouple