Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
LASER MACHINING APPARATUS
Document Type and Number:
WIPO Patent Application WO/1999/033603
Kind Code:
A1
Abstract:
A laser machining apparatus comprising a deflector for changing the direction of the laser beam emitted from a laser oscillator and a condenser lens for refracting the laser beam incident thereon from the deflector and forming an image on a work as the machining object, wherein lens position adjustment means capable of changing the relative positions of a plurality of lenses comprising the condenser lens by a condenser lens temperature is assembled into the apparatus, and this lens position adjustment means changes the relative positions of a plurality of lenses by the condenser lens temperature in such a manner as to offset the change of the refractive index of the lenses with temperature.

Inventors:
HOKODATE TOSHIYUKI (JP)
IWAI YASUHIKO (JP)
KUROSAWA MIKI (JP)
NISHIMAE JUNICHI (JP)
TANAKA KENTARO (JP)
Application Number:
PCT/JP1997/004914
Publication Date:
July 08, 1999
Filing Date:
December 26, 1997
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
HOKODATE TOSHIYUKI (JP)
IWAI YASUHIKO (JP)
KUROSAWA MIKI (JP)
NISHIMAE JUNICHI (JP)
TANAKA KENTARO (JP)
International Classes:
B23K26/064; B23K26/00; G02B7/02; G02B26/10; (IPC1-7): B23K26/06
Foreign References:
JPH04327391A1992-11-16
JPH01122688A1989-05-15
JPH07124778A1995-05-16
JPS62142484U1987-09-08
JPS5995510A1984-06-01
JPH07120650A1995-05-12
JPH05183216A1993-07-23
JPS62267093A1987-11-19
JPH07185861A1995-07-25
Attorney, Agent or Firm:
Sakai, Hiroaki (2-6 Kasumigaseki 3-chom, Chiyoda-ku Tokyo 100, JP)
Download PDF:
View/Download PDF      PDF Help



 
Previous Patent: DEVICE FOR CLEANING A WELDING TORCH

Next Patent: TURBINE COMPONENTS WITH SKIN BONDED TO SUBSTRATES