Title:
PIERCING DEVICE FOR LASER CUTTING MACHINE
Document Type and Number:
Japanese Patent JP2001287076
Kind Code:
A
Abstract:
To stably supply side blow gases to a piercing position and also to prevent the adherence of sputter to a cutting nozzle.
Laser beams 2 and assist gases 4 are irradiated or ejected on a stock 3 to be cut through a hole 30a, also side blow gases 12 ejected from a side blow gas nozzle 10 are guided to the piercing position and also the adherence of sputter to the cutting nozzle 1 is prevented by a hood 30 attached to the side blow gas nozzle 10.
Inventors:
NAGABORI MASAYUKI
NUMATA SHINJI
KAWAKITA MASAHITO
NUMATA SHINJI
KAWAKITA MASAHITO
Application Number:
JP2000108569A
Publication Date:
October 16, 2001
Filing Date:
April 10, 2000
Export Citation:
Assignee:
TANAKA ENGINEERING WORKS LTD
International Classes:
B23K26/14; B23K26/38; (IPC1-7): B23K26/14; B23K26/00
Attorney, Agent or Firm:
Masatake Shiga (6 people outside)
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