Mining open connection ring∅14×50∅18×64∅22×86∅26×92

The open link inspection specification for mining ring chain (MT / T 415-1995) specifies the inspection items, sampling methods and quantities, inspection methods and evaluation of inspection results of open link for mining ring chain (hereinafter referred to as connecting ring). This standard is applicable to the inspection of connecting ring specified in MT 71. This standard is proposed by the Technical Committee for standardization of special equipment for coal mines of the Ministry of coal industry. This standard is under the jurisdiction of scraper conveyor branch of Technical Committee for standardization of coal mine special equipment.

Open link connecting ring 18 * 64-6 link

Application: it is used in combination with mine high strength round link chain and scraper, and is suitable for scraper conveyor and transfer machine in coal mine.

Composition: connecting ring consists of open link, bolt, spring washer and nut

Reference standard: MT / t415-1995mining ring chainopen link inspection specification, the product is made of fully killed steel with good forging performance and not easy to be brittle broken, and the surface of the product is free of cracks, delamination, scab, overburning, peeling and other defects