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Different usage of different drill bits
Release time:
2018-10-29
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Drill bits are often seen in our lives and work, but all kinds of drill bits, will we distinguish their usage? Drill bits are classified according to cutting principles and can be divided into cutting drills, impact crushing and shearing drills, and grinding drills. According to the function classification, it can be divided into comprehensive drilling bit, ring drilling bit and special bit. Different drill bits, their range of use is also different. For example, drag bits are used for soft and plastic rocks with large torque, bad drilling tools and no moving parts. Cone bit is widely used in soft and hard formations, with small torque and cone rotation. Diamond drill bits for hard, highly abrasive formations, no activity
Drills are often seen in our lives and work, but with all kinds of drills, can we distinguish their usage?
Drills are classified according to the cutting principle and can be divided into cutting drills, impact crushing shear drills, and grinding drills. According to the function classification, it can be divided into comprehensive drilling bit, ring drilling bit and special bit. Different drill bits, their range of use is also different. For example, drag bits are used for soft and plastic rocks with large torque, bad drilling tools and no moving parts. Cone bit is widely used in soft and hard formations, with small torque and cone rotation. Diamond drill bits are used in hard, highly abrasive formations with no moving parts. PDC bits are used for soft to medium hard homogeneous formations with no moving parts and low weight on bit. A coring bit is the removal of rock from an underground well for analysis.
A drill is provided with a plurality of cutting edge parts arranged at the front end of the drill, and a shaft-shaped drill main body provided on the base end side of the cutting edge part and formed with a shank part on the base end..
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