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Shield machine is a typical product representing the manufacturing level of a country's heavy equipment. In May of this year, “Telong No. 1†with a diameter of 6.26 meters, a total weight of over 400 tons and a total length of more than 80 meters was formally put into operation. “Tielong No. 1†has many technical improvements over other metro shield machines: more wear resistant blocks than conventional shield machines; improved way of installing blades to facilitate replacement of worn blades; increased foam head injection holes to the host Soften and lubricate the soil layer to make the sand and gravel stratum easier to excavate.
It is reported that Chengdu CSR Tunnel Equipment Co., Ltd. is still commissioning two larger shield machines, which will fill the gap in the manufacture of large-diameter hard rock roadheaders in China.
"Sichuan-made" shield machine off the line to fill the blanking industry
The first Chengdu-built metro shield machine “Tielong No. 1†was formally rolled off at the Chengdu CSR Tunnel Equipment Co., Ltd. workshop on October 15 and will be delivered to the Chengdu Metro Line 2 to start the tunneling work this month. This is a major achievement in the localization of subway construction equipment, and is also a “zero†breakthrough in our province's tunnel construction and reloading industry. Wang Shaoxiong, Member of the Standing Committee of the Provincial Party Committee and Secretary of the Provincial State-owned Assets Supervision and Administration Commission, attended the off-line ceremony.
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