Notes

Consider These Factors When Choosing Carbide Drill Pieces
It's been believed for a long time that drilling takes place at low feed and cutting speeds, which was once appropriate under the operating conditions of standard drills. Today, with the introduction of drill bits made from carbide the notion of drilling has been altered.

The fact is that choosing the correct carbide drill bit will greatly increase the efficiency of drilling and cut down on single hole processing costs. What are the things to be aware of when selecting the right carbide drill bit?

1. Carbide drill bits - Machining precision

When selecting a carbide drill bit, the dimensional accuracy demands of the drill should be taken into consideration. The greater the tolerance, the smaller the processing aperture. So, manufacturers of carbide drills generally classify drill bits according to the nominal diameter of the hole that is to be processed. Solid carbide drill bit has the highest degree of machining precision of all four types of carbide drill bits. The tolerance range for f10mm solid carbid drill bits is between 0.03 and 0.03mm. This is the ideal choice for drilling high-precision holes. The carbide drill bit that is welded tolerances range from 0 up to 0.07mm. It is better for processing holes with more general precision.

2. Stability of processing for carbide drill bits

When selecting a carbide drill bit, along with the accuracy of drilling requirements and stability, the machine tool that is being used to process the material should also be considered. Stability is essential for the security of the drill bit as well as the precision of drilling. This is why it's crucial to examine the condition of the fixture, spindle as well as other components.

The replaceable carbide drill bits as well as carbide bits welded are self-centering geometric edges made up of two cutting corners that are symmetrical. This cutting edges design with high stability removes the requirement to reduce the feed speed to cut into workpieces unless the tool is mounted at an angle or cuts into the workpiece's surface with an angle.

3. Check Our Top Pick and coolant for carbide drill bits

Chip removal is an essential problem in drilling. Insufficient chip removal can be a problem in drilling, especially when working with low-carbon steel pieces. This issue cannot be avoided no matter what carbide drill bits are used. To aid chip removal, processing shops use external injections of coolant. However, this technique is only beneficial if the diameter of the holes machined is lower than the diameter of the hole.

4. The processing cost per hole of the carbide drill bit

Productivity or processing cost per hole is a significant element that impacts drilling. To improve efficiency, carbide drill manufacturers are working hard to study processes that combine various operating procedures, and to develop drills which can provide AG feed and high-speed processing.

The cost-effectiveness of replacing carbide drill bits is excellent. After the carbide drill bit wears down it is not necessary to have to replace the entire body of the drill bit, only the carbide drill bit. The cost of purchase is comparable to the price of welding or re-grinding the carbide drill bit. Cemented carbide is easily replaced and it is repeatable.
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