Mist-spouting type drilling device

Details Mist-spouting type drilling device Mist-spouting type drilling device

1990-03-07

1991-04-02

Bilinsky, Z. R.

Cutting by use of rotating axially moving tool

With means to apply transient, fluent medium to work or product

Including tool with duct

175320, 175 69, 408 60, 408204, 125 20, B23B 5106

Patent

active

050043820

ABSTRACT:
Atomized water is produced by an atomizer mounted on a drilling device and introduced through a mist flow passage formed in a hollow drill. By applying the atomized water flowing from the atomizer to a cutting bit at the leading end of the drill through the mist flow passage, the cutting bit heated and reaching a high temperature in drilling is cooled. Thus, a rigid material of concrete or the like can be efficiently drilled without being stained with wetting.

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