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Patent Searching and Data


Title:
PRESS
Document Type and Number:
Japanese Patent JP2010099730
Kind Code:
A
Abstract:

To provide a press having a wide slide lower face which can improve the working precision of a workpiece even if an eccentric load is applied.

In the press, plungers 8 connected to a crankshaft and a slide 10 are connected at three point positions along a workpiece carrying-in direction. Slide inclination correction devices 20 are arranged in the vicinity of the connection part between each plunger 8 and the slide 10. Each slide inclination correction device 20 comprises: a worm wheel 22 screwed with each plunger 8; a worm 21 engaged with the worm wheel 22; and a motor rotatively driving the worm 21. Linear scales 30, 31 are set between the slide 10 and a bolster 7, and the inclination of the slide 10 can be detected. When the inclination of the slide 10 is detected by the liner scales 30, 31, either slide inclination correction device 20 is driven so as to correct its position.


Inventors:
YOSHIZAWA AKITERU
Application Number:
JP2008275790A
Publication Date:
May 06, 2010
Filing Date:
October 27, 2008
Export Citation:
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Assignee:
YAMADA DOBBY CO LTD
International Classes:
B30B15/06; B30B15/00
Domestic Patent References:
JP2003205394A2003-07-22
JP2001121297A2001-05-08
JP2007245203A2007-09-27
JP2006326626A2006-12-07
JP2008068269A2008-03-27
JP2003230996A2003-08-19
Attorney, Agent or Firm:
Akio Iida
Michiko Ema
Chiori Ueda
Takaya Muramatsu