1, when using the new drill pipe, shall determine the bit before cutting (protect the shaft head) thread is also close to the new button a bad turn is easy to damage the new drill pipe thread is widespread losses, caused by leakage, such as card buckle, loose state.
2, drilling and digging for the first time, in use should be first new button "grinding", which includes, first wipe on thread oil science and technology innovation, and then use drilling machine to twist, to open the domestic demand, the oil with thread to open again, and repeat three times, can avoid wear and card buckle.
3, as far as possible to maintain drill pipe under the ground and on the ground in a straight line, so that we can avoid the threaded part of the lateral force and don't need to wear lots of even jump buckle drill pipe, pay attention to the anchor drill avoid moving force in the construction is very important.
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