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 point angle Effects of Drill...
What is point angle Effects of Drill point angle point angle is the angle of the tip of the drill. In general, 118° is the standard for high-speed steel dr... 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
Drilling holes in titanium materials ...
It is not possible to select a suitable tool based on the information of titanium material alone. There are titanium materials with different properti... 詳細表示
What is a drill with oil holes? inte...
What is a drill with oil holes? internal coolant supply ？ A drill with an oil hole is a drill that has a hole (= oil hole) through the inside of the drill ... 詳細表示
Drill selection procedure How to choo...
Step (1) Check how many times the depth of the hole to be processed is the diameter If the drill diameter (D) is 10 mm and the depth is 30 mm Calculate 30÷... 詳細表示
How many corners can I use for insert...
The inserts of PD drills (P2D, P3D, P4D, P5D) can be used in 4 corners, and the center cutting edge and peripheral cutting edge are the same chip , so it is ... 詳細表示
What spindle speed should be used whe...
As a guideline, reduce the spindle speed to 500 min-1 or less when inserting a long drill (whether carbide or HSS) into a guide hole. For very long drills, s... 詳細表示
A center drill is a tool for machining center holes, which is required when a tailstock mounted on a tailstock is used mainly on a lathe to support the c... 詳細表示
Even though I perform centering, the ...
When the drill starts contacting the workpiece from its shoulder, you cannot achieve accurate hole positioning. Issue Example ・Using a starting drill with ... 詳細表示
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