Cutting by use of rotating axially moving tool – With control means energized in response to activator... – To control relative positioning of tool and work
Patent
1994-11-22
1996-06-04
Howell, Daniel W.
Cutting by use of rotating axially moving tool
With control means energized in response to activator...
To control relative positioning of tool and work
36447402, 408 16, 408 67, B23B 4100, B23B 4900
Patent
active
055226833
ABSTRACT:
Disclosed is a drilling apparatus intended to obtain an image of a drilling mark for detecting the center of the drilling mark, irrespective of the material of a work (transparent material or nontransparent material). The drilling apparatus includes: a working table on which a work having a drilling mark is set; a lower lighting element provided under the working table for emitting a light to the drilling mark through a drill port; an upper lighting element for emitting a light to the drilling mark from the upper side; a camera unit provided on the working table for receiving a transmission image of the drilling mark emitted by the lower lighting element and a reflection image of the drilling mark emitted by the upper lighting element; an image processing unit for processing an image signal received by the camera unit into a binary signal and searching the binary image for detecting the center of the drilling mark; a drill; and a feed mechanism communicating with to the image processing apparatus and the drill for correctively moving the drill to the center position of the drilling mark in the X and Y directions and allowing the drill to drill the work at the center of the drilling mark, wherein the lower lighting element and the upper lighting element are switchable to each other.
REFERENCES:
patent: 4909678 (1990-03-01), Kakimoto
patent: 5036574 (1991-08-01), Kakimoto
patent: 5347462 (1994-09-01), Okuda et al.
patent: 5351316 (1994-09-01), Kakimoto
English Language Abstract of Japanese Patent Laid-Open No. Hei 4-41110.
English Language Abstract of Japanese Patent Laid-Open No. Sho 60-238208.
English Language Abstract of Japanese Patent Laid-Open No. Sho 60-263604.
Kakimoto Masakazu
Suzuki Takashi
Howell Daniel W.
UHT Corporation
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