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JPS6331855Y2 |
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JPS63127812U |
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JPS63200906A |
A method and apparatus for optimizing the drilling position of a multi-layer printed circuit board prior to drilling. A template (115) having precisely located target holes (A',B',C',D') and fixture reference marks (118, 119) provides in...
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JPS6327921Y2 |
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JPS63110352U |
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JPS63163978A |
PURPOSE:To automatically read a hole mark by obtaining the tip position and the tail position of the hole from a picture signal to detect an area in which the hole is present and operating the central coordinate and the diameter of the h...
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JPS63103909U |
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JPS63100136U |
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JPS63100111U |
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JPS6391313U |
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JPS6383207U |
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JPS6383208U |
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JPS6325885B2 |
A method for drilling reference holes in a multi-layer printed wiring board assembly, in which drilling position marks provided on inner-layer circuit board in the assembly are roughly detected through each of two outer-layer boards of t...
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JPS6325884B2 |
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JPS6376412U |
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JPS6320645B2 |
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JPS6320646B2 |
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JPS6364451U |
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JPS6364450U |
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JPS6314967Y2 |
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JPS6360540U |
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JPS6360507U |
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JPS6389209A |
PURPOSE: To enable the confirmation of penetration without any visual check and prevent the excessive or insufficient feed of a drill in boring process with the relative advance of a workpiece and the drill by generating a fluid pressure...
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JPS6317564B2 |
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JPS6317562B2 |
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JPS6317563B2 |
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JPS6312890Y2 |
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JPS6357108A |
PURPOSE: To detect drill breakage without fail even if each drill diameter differs, by installing plural optical fibers in group receiving reflected light from a drill, while providing an operational device, and finding drill breakage da...
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JPS6357111A |
PURPOSE: To detect a guide bush position without fail with a simple device, by transmitting the relative travel of a tool and a guide bush to a rotary encoder directly via a guide bar and a chain, and detecting and measuring the travel. ...
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JPS6335518U |
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JPS6335517U |
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JPS6327207U |
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JPS6327208U |
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JPS6336380A |
PURPOSE:To automatically recognize a drilling pattern out of a drawing where many patterns are drawn by recognizing the pattern of a circular shape and of a size smaller than a prescribed size as a final drilling pattern and outputting i...
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JPS6316911A |
PURPOSE: To enable the automatic setting of a countersinking cutter extrusion from the lower end of a boring unit sleeve by providing a detector for the contact or the non-contact of said end with a sleeve coupling recess bottom. CONSTIT...
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JPS637257A |
PURPOSE: To easily grind the hole at the center of each face of the opposing ends of a workpiece by using a workpiece fixing device whereby both ends of the workpiece in the longitudinal direction are fitted and fixed to the fitting sect...
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JPS634248U |
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JPS62282810A |
PURPOSE: To perform correct hole-machining at both ends of a work by clamping the work between coupling sections of both fixing tools and using a drill rotating via drill passage holes of both fixing tools without rotating the work. CONS...
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JPS6245122Y2 |
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JPS62271655A |
PURPOSE: To prevent the occurrence of a trouble during after-processing, by a method wherein a measuring probe in the shape of a center punch is pressed against a center hole right after processing, and from a displacement position of th...
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JPS62181307U |
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JPS6254602B2 |
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JPS62172509U |
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JPS62246461A |
PURPOSE: To certainly detect the breakage of such substance as a tool or the like without returning the reflected light on the front face of the reflector behind the substance to be detected breakage to a projector in case of detecting b...
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JPS62165807U |
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JPS6240743Y2 |
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JPS62161915U |
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JPS62161908U |
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JPS62161909U |
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JPS62218053A |
PURPOSE: To improve safety and reliability of work through rapid, secure detection of breakage of a tool by comparing a reference voltage determined by an unloaded voltage with a loaded voltage of a drive device and discriminating when t...
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