Title:
DRILLING MACHINE
Document Type and Number:
Japanese Patent JP3467482
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a drilling machine to prevent breakage of a drill and to improve working efficiency.
SOLUTION: This drilling machine has a control part 5 furnished with the drill 1 and a contact sensor 2 to approach and separate from a drilling article B together and to control the drill 1 so as to increase approaching speed of the drill 1 to the drilling article before contact of the sensor 2 and to decrease drilling speed of the drill 1 to the drilling article B after the contact of the sensor 2 by making contact with the drilling article B in advance of the drill 1.
Inventors:
Junzo Muramoto
Application Number:
JP2001161849A
Publication Date:
November 17, 2003
Filing Date:
May 30, 2001
Export Citation:
Assignee:
Sakura Seiki Co., Ltd.
International Classes:
B23B47/18; B23B49/00; B26F1/16; (IPC1-7): B23B47/18; B23B49/00; B26F1/16
Domestic Patent References:
| JP555207A | ||||
| JP6137450Y2 |
Attorney, Agent or Firm:
Takeshi Nakatani
Previous Patent: CAP FOR PULL-TOP CAN
Next Patent: FIXED ABRASIVE GRAIN STRUCTURAL BODY FOR PRECISION POLISHING
Next Patent: FIXED ABRASIVE GRAIN STRUCTURAL BODY FOR PRECISION POLISHING