"Exclusive by Jingke" and "Lift" Shenzhou 12 manned spacecraft, which is too heavy to manufacture.

On the morning of June 17th, the Shenzhou XII spacecraft, carrying three astronauts, flew into the vast space. The launching tower of "lifting up" Shenzhou XII is a comprehensive rocket platform integrating the functions of arrow body protection, fuel filling and energy security, which is very important for the aerospace industry. Of the 11 space launch towers in China's four satellite launch centers, 1 are too heavy. As the largest production base of space launcher in China, Taizhong has created another manned spaceship "Shenzhou 12" to dream of space.

at 9: 22 on June 17th, Beijing time

with the release of the ignition instruction

the Long March II F-12 carrier rocket carrying the Shenzhou-12 manned spacecraft

was ignited and launched at Jiuquan Satellite Launch Center

, and the "921" launch tower

that lifted the rocket off came from WU GANG, the chief designer of the Coking Institute of Taiyuan Heavy Industry Technology Center. Since the first "Dongfanghong" satellite was sent to the sky, many towers and successive towers have been made from Taiyuan. Now it is launched to "Shenzhou 12", which is all completed by this tower. "

During the 4 years of continuous development of the space industry, from the first artificial earth satellite in China "Dongfanghong" to "Shenzhou", from the lunar exploration project "Chang 'e" to "Space Home", the ten launch towers produced by Taizhong Group have undertaken all the rocket launching tasks in China. The 921 tower for launching the Shenzhou 12 spacecraft is the largest and most functional all-weather launch tower in China. More than 3, high-strength bolt holes were drilled when the tower was assembled on site, and the on-site perforation rate reached 1%, which created a miracle in the history of tower installation in China.

WU GANG, chief designer of Coking Institute of Taiyuan Heavy Industry Technology Center, said: "This tower is about 15 meters high. It is combined by bolts one by one, and the whole tower uses more than 3, bolts. These more than 3, bolts require that the actual installation perforation rate should reach 99.9%, and the accumulation of all errors should be controlled to achieve a final 1% perforation rate. "

without precise parts

there is no foolproof whole

For Chen Bin, a technical worker who has worked in mechanical processing for more than 3 years,

machining precise parts for space launch towers

has become the biggest challenge in his career

The maximum allowable tolerance for making this core part

is one fifth of the human hair

exceeding this range.

It may lead to incalculable consequences

Once the work is started, we can't make mistakes

This kind of parts is of high precision and difficult

But Chen Bin, with his rich manufacturing experience, ensures that the parts are successfully processed once

Wan Li, with his "unique skills" of 3 years of tool work

The key parts processed by Chen Bin

have been used one after another. The Long March rocket launch platform

steadily sent the Shenzhou spacecraft

into space one after another

, and the excessively heavy launch tower

also witnessed the glory of China Aerospace one after another

Reporter | Li Yi Liu Junqing.