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Document Title |
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JPH0424163B2 |
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JPH04122508A |
PURPOSE: To perform the accurate drilling without generation of smear in a product area by operating a numerical control device at the time that the number of drilling time of a drill arrives a predetermined number, and changing the dril...
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JPH0423216B2 |
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JPH0417288Y2 |
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JPH0445610U |
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JPH0413045Y2 |
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JPH0435811U |
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JPH0410969Y2 |
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JPH0475808A |
PURPOSE: To drill a hole for securing a section made of a metal in the edge of the wall material of a structure with high efficiency by using a working truck movable along a longitudinal direction and effecting division of a drilling pos...
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JPH0428910U |
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JPH047877Y2 |
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JPH0423243U |
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JPH0453610A |
PURPOSE: To prevent the deflection and bending of a working tool by installing three radial ball bearings, freely moveable to the center of a through-hole and also freely rotatable in contact with an outer circumferential surface of a sh...
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JPH045206Y2 |
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JPH046494B2 |
A method for producing a master plate and a master plate produced by this method which has highly accurately disposed fitting bores or fitting pins at prespecified coordinate intervals in order to form a precise grid system. The master p...
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JPH0413212U |
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JPH042732Y2 |
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JPH0419006A |
PURPOSE: To make constant pitch processing effectively despite dispersing inter- mark distance by holding two processing parts at a specified distance, sensing two marks on a work to be processed, determining the specified positions, and...
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JPH0413504A |
PURPOSE: To obtain a simple and safe drilling machine suitable for multiple-sort small- quantity production which works easily at a high efficiency without being restricted by physical conditions of a worker by fixing a drill to a base s...
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JPH048411A |
PURPOSE: To automatically carry out the chamfering of a hole by extracting the image of the hole through the discrimination of the difference in lightness of the drawn image, and by carrying out chamfering work only when certain conditio...
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JPH048412A |
PURPOSE: To omit the shifting of a process head, and to obtain a tool damage detection device in which a detector can be in contact with a tool vertically by providing the detector for detecting the damage of the tool, as well as a feedi...
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JPH04287B2 |
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JPH03130313U |
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JPH03130312U |
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JPH03120312U |
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JPH03117519U |
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JPH0375298B2 |
The invention relates to apparatus for monitoring the operating condition of a drill bit (24) comprising a transducer (26) located adjacent to the drill bit and adapted to generate an output signal representing the acoustic signature of ...
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JPH0371048B2 |
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JPH03107112U |
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JPH0351056Y2 |
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JPH03103108U |
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JPH03239410A |
PURPOSE: To save a measuring time and to increase productivity by inputting plural detection signals transmitted from a detector simultaneously by the drilling machine having plural spindles, the respective feeding shafts and a position ...
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JPH0367810B2 |
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JPH03228391A |
PURPOSE: To efficiently drill a multilayer printed circuit board in alignment with an inner layer pattern by arranging a sensor for sensing to measure the position of a reference pin movable in a horizontal direction in a noncontact mann...
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JPH03228509A |
PURPOSE: To efficiently perform marking operation without using an exclusive marking machine by supporting a tool, movably in the vertical direction, to a tool support member movably supported to a frame which is moved along a rail, and ...
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JPH0346884Y2 |
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JPH0360607B2 |
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JPH0355262B2 |
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JPH0382106U |
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JPH0351530B2 |
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JPH0347965B2 |
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JPH03154702A |
PURPOSE: To keep a copper foil layer from being pierced, to reduce the cost and to prevent bad influence of released paper residue by exposing a copper foil surface having an internal layer reference mark and ending a cutting process at ...
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JPH0341284B2 |
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JPH0329061Y2 |
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JPH0329062Y2 |
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JPH0359113U |
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JPH0355110U |
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JPH03117501A |
PURPOSE: To perform machining of a center bore at ends of a workpiece, both end faces and the outside circumferential surface thereof automatically by means of center drills and center spindles which are respectively movable in the axial...
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JPH0333462B2 |
The invention relates to a device for checking for tool breakage in machine tools having a sensor for sensing a clamped tool before and after a machining operation and an electronic device for evaluation of the measurement detected by th...
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JPH0321876Y2 |
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