内部給油とは？ 外部給油とは？ | オーエスジー

What is internal refueling? What is external coolant supply ?

Internal lubrication refers to tools such as Tap , drills, end mills, etc.

A hole (oil hole) is drilled from the shank to the cutting edge, and an oil agent is passed through the hole.

Machinery and tooling also require an internal lubrication function.

Since oil can be supplied directly to the cutting edge side where cutting heat and chips are generated,

Cooling or lubrication can be increased efficiently.

In our catalog, we show the location and shape of the oil hole with a dotted line on the diagram of the target tool.

 

 

external coolant supply means:

This is a method of pouring oil into the cutting edge through a groove on the outer circumference of the tool.

Cutting Tap , because in the case of drills, chips must be drained from the same groove into which the oil is poured.

In the case of deep holes, it becomes difficult to supply oil to the cutting edge, so internal lubrication is recommended.