Automotive wiring harness crimping, monitoring of convenient problems.

Automobile wiring harness welding is now better with ultrasonic metal welding machine, the general domestic is not very good, the equipment is good, our company uses, but if there are few domestic machines with such a level, you can go to the military industry 726 to understand, the machine is OK, cost-effective is very high, know a company to introduce to you. On the Internet, "Suzhou Weisheng Precision Machinery" does metal welding, and also does automation. It can basically be solved for you.

They provide machines to our company as a partner of our company, and the service is very good.

Now the crimping is basically semi-automatic or fully automatic machine operation, the quality is relatively stable after debugging, the inspection is generally the first and last piece, if there is a problem in the middle of the sampling.

Now automotive wiring harness welding, ultrasonic metal welding is really good, the imported American machine is so expensive, the domestic military industry should be OK, the 726 upstairs can be seen, Suzhou Weisheng Precision? I've just understood, thanks upstairs for the answer, I'm looking for it too.

The military industry should be guaranteed, and the domestic equipment is sad, and I saw the news on the second floor, thank you for sharing.

Yes, the traditional crimping is still used for domestic automobile transmission, the quality is not good, and the tensile strength is not enough. Or ultrasonic metal welding. The military industry also does it? Seven-two-six? It's Suzhou Weisheng Precision, contact immediately, Xie on the second floor.

The electrical performance test of the wiring harness is generally divided into short circuit test, durability test and locked-rotor test of the motor wiring harness.

1) When a short circuit occurs in the wire harness short circuit test, the fuse in the line is required to be blown within a certain period of time to protect the wires and connectors.

2) After working at full load or overload for a certain period of time, it is required that the wiring harness, plug-in parts, fuses, etc. should not be burned, and the temperature rise of the wire should not exceed the specified value.

3) Motor harness stall test: There are two types of motor with thermistor or fuse protection and without thermistor or fuse protection, and there are also two corresponding wiring harness lockdown tests.

4) Wiring harness deflection test: The wiring harness can not be bent and twisted when installed, but the connecting wiring harness between the engine compartment and the body, between the door and the body, and between the front and rear covers and the body must be bent and twisted, so this part of the wiring harness must be tested for flexure to verify the durability of materials such as wires, plastic skins, and wraps such as bellows and perforated rubber sleeves. The number of flexure durability tests of each wiring harness is generally different according to the actual frequency of use, such as the front door wiring harness durability test number is the most, followed by the rear door;Because the vehicle is operated and used in various environments, this kind of wiring harness should be tested for durability in high and low temperature environments.

Analysis of test standards The current automotive wiring harness standard is mainly QC T29106 "Technical Conditions for Automotive Low-voltage Wire Harness" and the enterprise standards of various enterprises, and the test items are approximately: testing the crimping quality of the terminal and the wire or wire contact, the waterproof performance of the contact, the high and low temperature resistance and damp heat resistance of the wiring harness, the salt spray resistance and vibration resistance. Information can be found online.

Our laboratory can do all kinds of automotive wiring harness standard tests including USCAR-2, etc., such as various resistance, voltage drop, insulation, maximum test current capacity, current cycle, qualified to issue a third-party test report, contact is my username.

Electric vehicle production capacity planning for document No. 39.

Beijing Golden Ant Guochuang Technology has helped a number of domestic electric vehicle qualification enterprises to plan for the No. 39 document for electric vehicle production capacity assurance qualification, the system includes:

Door inspection;Instrument electrical inspection;

Vehicle off-line electrical inspection (EOL);

Electric vehicle safety test;

In-house testing of key components of electric vehicles;

Vehicle calibration;Fast and slow charging detection equipment;

The vehicle off-line electrical inspection (EOL) test is specially designed for the vehicle to carry out electrical fault diagnosis, electric vehicle ECU IO function test, and the vehicle electrical inspection (EOL) equipment is used as the last test station of the vehicle off-line electrical inspection, and generally not the last station of the vehicle off the assembly line.

Based on years of experience in vehicle electrical inspection, Beijing Golden Ant Guochuang Technology Co., Ltd. has developed a set of standard new energy vehicle EOL test system according to the characteristics of new energy vehicles, according to the regulatory requirements of Document No. 39 and the corresponding GB requirements. The system can be compatible with the testing of traditional vehicles and supports mixed productionSupports multiple communication protocols for fault diagnosis, including UDS, KWP2000, J1939, etcSupport customized functions such as parameter configuration and software flashing.

Among them, the safety test of the whole vehicle of electric vehicles includes:

Equipotential test of electric vehicles;

Dielectric vehicle dielectric strength test;

Withstand voltage test of electric vehicles;

Leakage current test of electric vehicle;

The fast and slow charging test equipment for electric vehicles includes:

Fast charging process test of electric vehicles;

Slow charging process test of electric vehicles;

AC and DC charging test of electric vehicles;

Vehicle diagnostic equipment includes:

Vehicle end-of-line testing equipment (EOL);

hand-held diagnostic devices (diagnostic instruments);

Vehicle multi-controller VN code scanning and writing;

The vehicle multi-controller data is brushed down;

Vehicle multi-controller calibration;

Tire pressure sensor (TPMS) calibration and matching;

Calibration of the 360 surround view system of the whole vehicle;

millimeter-wave radar calibration of automobiles;

Lidar calibration of automobile vehicles;

The incoming testing equipment for key components of electric vehicles includes:

Vehicle controller VCU HCU testing equipment;

battery pack or BMS system testing equipment;

Electric vehicle motor controller (MCU) testing equipment;

The test equipment for key components of electric vehicles includes:

Vehicle controller VCU HCU hardware-in-the-loop HIL test equipment;

Battery-pack or BMS system hardware-in-the-loop HIL test equipment;

Electric vehicle motor controller (MCU) hardware-in-the-loop HIL test equipment;

On-board charger OBC ODC and DCDC functional test equipment or HIL test equipment;

Other features: Fault diagnostic testing.

Direct AC charging test.

Equipotential Equilibrium measurement.

Insulation resistance test.

Data stream reads.

Parameter configuration. Software flashing.

VIN reads and writes.

MES interaction.

Data storage. Report printing and statistical analysis of data.