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Roller cone bits are tested in Karelia

17.02.2012

Volgaburmash Company has successfully tested 250,8 AUL-ALS63Y-R982 and 250,8 AUL-ALS63Y-R983 in Karelsky Okatysh, JSC.
250,8 AUL-ALS63Y-R982 bits were tested in the Western Open-pit applications in formations of 14-18 drillability category. The bits were run with СБШ-7250МНА-32 drilling rig. According to the test results, the average meterage was 736,6 m, which is by 28 %  more than the same result of the bits produced in China.
 250,8 AUL-ALS63Y-R9873 bits were tested in the Central and Southern Open-pit applications in formations of 14-18 drillability category. The bits were run with СБШ-250МНА-32 drilling rigs. Their average meterage made 1437,3 m, which is by three times higher than that of the Chinese bits.

According to the test results, 250,8 AUL-ALS63Y-R982 and 250,8 AUL-ALS63Y-R983 bits were recommended for further practice in Karelsky Okatysh, JSC.


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Volgaburmash and Uralburmash are Russia’s largest companies producing rock-cutting tools