Flute length is the length from the tip of the drill to the end of the flute. The drill must have space to evacuate the chips that arise during machining. M... 詳細表示
The effect of the helix angle of the ...
The standard helix angle is 30°. A low helix angle reduces sharpness but increases cutting‑edge strength. A high helix angle provides a sharper edge but lo... 詳細表示
Is there a formula for calculating th...
Experimental Formulas for Estimating Thrust Force, Torque, and Required Power When considering the clamping method or fixture design for a workpiece, it is ... 詳細表示
What do 2D, 3D, 4D, and 5D mean?
What does 2D, 3D, 4D, and 5D mean? D stands for tool diameter. It is expressed as several times the depth and length of the tool diameter, and is express... 詳細表示
Why does a drilled hole become polygo...
It is likely caused by drill runout during machining. Possible Causes ① Runout when mounting the drill Countermeasure: Keep mounting runout within 20 μm ... 詳細表示
Is a centering process always necessa...
Centering is performed to improve hole position accuracy and to suppress unstable behavior at the hole entrance during machining. However, if there is no st... 詳細表示
What is the drill step increment for ...
External Lubrication; ・For vertical machining centers: No step drilling up to 3D. Beyond 3D, use step increments of 1D to 2D as a guideline. (D = drill dia... 詳細表示
What is a shank with a tang? It is a shank with two flat sides at the end of the shank. The tang is mainly used for detenting. For our drills, only ... 詳細表示
Lip height is the difference in the height of the cutting edge when the drill is rotated. If the lip height increases, it will be cut only with one cutting ... 詳細表示
Do you need to drill a pilot hole bef...
Do you need to Pilot hole for large drilling? If you have enough mechanical horsepower, you don't need Pilot hole. When machine horsepower is insufficient,... 詳細表示
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