Patent ID: 6400398
Filing Date: 2002-06-04
Classification: B29C,G01B

Abstract:
A calibration method for aligning a center of a die entrance bushing with a center of an injection nozzle of an injection molding machine, said calibration method comprising the following steps:(a) moving a camera (60) to project an image of an injection nozzle (31) of an injection molding machine onto a screen (70) of said camera (60) so as to align a center of said injection nozzle (31) with a center of said screen (70); (b) moving a die entrance bushing (11) of a die (10) of said injection molding machine relative to said camera (60) to project an image of said die entrance bushing (11) of said die (10) onto said screen (70) of said camera (60); and (c) moving said die (10) relative to said camera (60) so as to align a center of said die entrance bushing (11) with said center of said screen (70) so that said center of said die entrance bushing (11) aligns with said center of said injection nozzle (31).