Visiting AVIC "Robot Artisan"

: Not long ago, the news that the domestically-made large aircraft C919 was about to make its first flight once again gave its connector supporting company AVIC Optoelectronics Technology Co., Ltd. attention. From the Long March series rockets to the lunar exploration project, to the “grounding gas” 4G base station construction, what is the unique endeavor of the company supporting the “Republic First” project?

A few days ago, the reporter walked into the production workshop of AVIC and saw the dancing robotic arms and beating silver instruments.

"Our 'robots' craftsmen are not simple, and some can be 'perfectly clear,' some good 'through the needle,' and some have 'shadowless' stunts," said Zhang Boli, director of the China Aviation Engineering Institute of Engineering Innovation. “By relying on independent research and development of automated production technologies such as robots and visual technologies, companies have filled a gap in the production technology of precision connectors in China. Last year, the average monthly automatic chemical industry reached 91,000 hours, an increase of 48.9% year-on-year.”

In the civilian connector manufacturing department, a fingernail-sized black fifth-generation high-speed backplane connector is being tested. “Don't look at it being small, but you can ask a university. China's hardware construction in the field of wireless communications cannot be done without it.” Zhang Boli said that before China Aviation Electronics Co., Ltd. overcomes its detection technology problems, domestic similar products have been monopolized by high-priced imported products.

In front of this CCD size inspection machine, the robotic "small hand" grabs the connector nimbly and places it precisely in front of the detection camera. In just a few seconds, CCD vision technology has successfully identified hundreds of fish-eye needles and mating orifices that are densely covered by the surface. The compliance status on the inspection screen is at a glance and the detection accuracy is 0.008 mm, which is categorized as “a clear observation”.

Surprisingly, over 500 key dimension measurements took only 13 seconds and the efficiency was more than 2000 times that of manual detection!

On-line reed plants are another sight, where the machines are good at "threading."

In the wire spring hole of the wire spring hole connector, a plurality of wires contact the plug at the same time, so that the connector connection failure probability is greatly reduced. Due to its high reliability, it is the "fuse" of China's aerospace industry - the C919, the Long March series rockets and the lunar exploration project, and all of them have contributed to the highly reliable wire spring connector of AVIC.

Five 0.1mm wires are arranged according to certain rules to form a hyperboloid-shaped wire spring hole with a diameter of 0.4mm, which makes work difficult. In the past, the workers had to complete the manual step-by-step operations, which required great patience and excellent psychological quality. The inefficiency was low and quality consistency was not well guaranteed. Nowadays, CNAC independently researches and develops China's first set of wire spring hole automatic assembly machines. The whole “threading needle” process is completed in seconds and has a high degree of consistency.

Look at the "shadowless hands" - high-speed cam machines that are currently performing high-speed cutting and plugging operations. In the past, when workers assembled connectors, they needed to cut the parts from the tape, cleaned the burrs, and inserted them in the connector. The most skilled workers also need at least 30 seconds to complete the set of actions. Today, as long as the cam machine is turned on, there are more than 50 parts per minute to complete the insertion, and the failure rate is almost zero.

In the past two years, AVIC has invested over RMB 100 million in the R&D, replication and upgrading of non-standard automation equipment. It is expected that during the “Thirteenth Five-Year Plan” period, the company will also invest 1,000 new equipment (sets), and strive to reach the end of the “Thirteenth Five-Year Plan” period, and the average monthly automatic chemical industry can reach 280,000 hours, which is equivalent to the production capacity of 1,500 front-line workers, creating a new type of industrialization. The in-depth integration of information with the new bright spots, help products to the high-end jump.

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