What Are the Factors Affecting the Durability of Carbide Drill Bits?

There are six factors that affect the durability of carbide drills when drilling.

The first factor is whether the clamping method of the hollow carbide drill is correct, the second factor affecting the durability is whether the center of the drive shaft of the drilling machine is good and concentric, the third factor affecting the durability is whether the intermittence between the large gear and the small gear of the drilling machine is small, the fourth factor affecting the durability is the degree of reliability of the guide rail of the magnetic drilling machine, whether it is tight, and the fifth factor affecting the durability is whether there is cooling or insufficient cooling during the operation of the hollow carbide drilling machine. The fifth factor affecting the durability of the drill is whether the carbide drill is cooled when it is in operation, and whether it is cooled sufficiently. 

The sixth factor that affects the durability is whether the operator uses the appropriate force.

1.Drill guide rail factor

The degree of firmness of the guide rail, whether it is tight or not, the effect is that the tighter the guide rail is, the less it shakes when drilling, the less the tension of the carbide drill bit outward, and the longer the service life of the hollow carbide drill bit, while the guide rail is not tight and loose, the greater the tension of the carbide drill bit outward, and the shorter the service life of the carbide drill bit.

2.Driving shaft of drilling machine

Whether the center of the drive shaft is good and concentric, the effect is that the better the center is, the better the concentricity of the carbide drill bit when it is working, the smaller the outward tension of the carbide drill bit, the longer the life of the hollow carbide drill bit, and on the contrary, if the center is not good, then the concentricity of the carbide drill bit when it is working is bad, the bigger the outward tension of the carbide drill bit, and the shorter the life of the carbide drill bit.

3.Major and minor gears of drilling machine

The smaller the interval between the large gear and the small gear, the smaller the backward resistance of the hollow carbide drill when it works, the smaller the probability of wear of the cutting edge of the hollow carbide drill, so the life span of the carbide drill is longer, on the contrary, if the interval is large, the backward resistance is large, so the life span of the carbide drill is shorter.

4.Hollow carbide drill bit clamping method

Clamping method is correct, clamping firm carbide drill bit will be able to increase the durability of the carbide drill bit, carbide drill bit clamping wrong operation, clamping not in place or clamping not tight may lead to hollow carbide drill bit loosening, carbide drill bit loosening natural use of durability will be even shorter.

5.Cooling of hollow tungsten carbide drills

Adequate cooling of the carbide drill bit during operation can make the life of the drill bit longer, if no or insufficient coolant is added, then the durability of the carbide drill bit will be shortened.

6.Operating force

Whether the operator's operating force is appropriate or not has a great influence on the durability of the drill bit, the appropriate operating force can make the carbide drill bit edge chipping chances of reducing, coring carbide drill bit life is longer, anyway, the operator force is not appropriate, then the life of the carbide drill bit will be shortened a lot.

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