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JP11028655 |
To simplify unwinding and winding of a wire saw by moving a reel along is rotating shaft while a wire saw is unwound or wound is such a manner that the wire saw is aligned vertically to the rotating shaft of the reel in an area between t...
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JP11010509 |
To provide a mechanism for applying tension to a wire saw which can prevent a dancer arm from being turned largely and peripheral rollers such as guide rollers from being worn quickly even if the wire saw is tensed or loosened when it is...
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JP11010515 |
To prevent the cutting accuracy of a workpiece from being reduced even if a main roller is curved by the tension of a wire saw wrapped around the main roller. A main roller 22 comprises a hollow core bar 221 and a covering member 222 whi...
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JP11010510 |
To provide a wire saw device which can improve cutting accuracy. When a wire 17 advances in the right direction R by the rotation of a drive motor, the wire 17 is slanted such that it is driven from the inside to the right outer peripher...
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JP10329001 |
To mount and dismount a grooved roll easily by maintaining its high accuracy. At both ends so a grooved roll 11, shaft parts 40 are provided and each tip of the shaft parts 40 forms a tapered part 41. A rotating shaft 50 is rotatably sup...
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JP10296608 |
To shorten a jigsaw stop time for replacing a jigsaw guide roller, by arranging movable and fixed bearings in a saw blade guide roller, forming a saw blade guide roller unit by these bearings, and constituting the unit removably as a who...
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JP10296609 |
To feed a wire to a machining position and collect a used wire from the machining position without using a bobbin. First tension giving mechanisms 16 and 27, tension cutting-off mechanisms 18 and 29, second tension giving mechanisms 21 a...
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JP10286752 |
To reduce the maintenance work of a guide sheave, and to efficiently perform the installation work, by forming a guide groove by baking a soft urethane resin to an outer peripheral part of a metallic or hard synthetic resin sheave, to su...
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JP10277914 |
To provide a miniaturizable wire saw cutter. This cutter is provided with a wire 11 to cut a semiconductor single crystal material 1, multiple rollers with grooves 21 and 22 on which a cut part 12 of the wire 11 is wound and stretched, w...
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JP10234163 |
To prevent burrs from being formed on the inside diameter for enhanced productivity, when an insulating member is integrally molded with respect to the construction of an insulating metal mold for stator, in connection with motor. A stat...
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JP10217095 |
To provide a cutting method in which the thickness of a wafer to be cut out becomes uniform as far as practicable when a work is cut by a wire saw. A work cutting method pressure-contacts a work, at a specified speed, against a wire whic...
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JP10193339 |
To uniformly control cutting wire tensions between groove rollers at the time of reciprocatingly feeding by adding a tension regulating means for regulating the tensions, and substantially equalizing a tension of input side of the wire t...
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JP10193331 |
To reduce rotary resistance and to facilitate efficient cutting by a relatively small-sized unit by providing a cover at an outside of a pulley body, forming a space as an air reservoir between the cover and the body, and providing a sup...
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JP10193250 |
To remove only an outer roller from an inner roller without removing a working roller total unit from a wire saw, in the case of wearing an annular groove on a working roller, so that work for reforming the annular groove can be executed...
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JP10193340 |
To provide a wire disconnection preventing system for a wire saw for effectively preventing disconnection of a wire. When a chipping is generated in a ingot 32 during cutting work, and the ingot 32 is fed in the state that a wire 14 is e...
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JP10193341 |
To provide a wire saw cutter for easily controlling the tension of a wire in high accuracy. The wire saw cutter comprises a wire 11 for cutting semiconductor single crystal material 1, cutting rollers 21, 22, 23 wrapped with a cut part 1...
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JP10169216 |
To eliminate risk of obstructing the works executed in parallel by locating limitedly the traveling extent of a wire saw to the neighboring zone of a wall. An opening 8 having a height covering the overall vertical direction is opened in...
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JP10166354 |
To measure accurately the amount of displacement in the axial direction of a main roller on the occasion when a single crystal ingot of semiconductor silicon, for instance, is sliced by a multi-wire saw. In this device, a noncontact disp...
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JP10156801 |
To obtain strong flexural strength, compressive strength, and torsional strength by applying initial stress distributed uniformly in the plane of a guide rail by the close engagement of a relatively light cured material part with the fri...
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JP10119031 |
To provide a wire running controlling device of a wire saw, with which a highly responsive wire running control can be performed. Load cells 42A and 42B are provided on dancer rollers 24A and 24B for giving a predetermined tension to a r...
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JP10118910 |
To stop a rotating wire reel by receiving a resistance by push-pressing the end surface of the wire reel by a push-press means. An air cylinder 60 is installed on the upper side of a wire reel 12. A pad 62 is fixed to the tip of the rod ...
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JP10086142 |
To control a wire-saw positively by detecting the position of a wire tension control member positively. A wire 15 delivered from a reel 20 or 21 is spirally wound around between a plurality of working rollers 13, 14. The wire 15 is allow...
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JP10086143 |
To enable the prevention of heat deformation of a grooved roller caused by external heat by forming a shaft part of the roller from ceramic utilizing the high heat resistance and high temperature strength of ceramic. During cutting, a gr...
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JP10080822 |
To make it possible for a power chain saw to make use of the type of structure of a machine which is equipped with an upper handle in a machine which is equipped with a rear handle too with a minimum manufacturing cost, and, in this case...
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JP10080854 |
To reduce a height of a yarn sawing device and the whole necessary space by providing a means to impart a rotary function in relation to a support table, that is, a sawing workpiece to a yarn layer by turning the yarn layer in the angle ...
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JP10080855 |
To provide a multi-wire saw having the constitution capable of maintaining a cutting accuracy of a work, as well as to reduce the time and labor necessary for the groove machining work and the replacement work of a wire guide, and reduce...
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JP2755907 |
PURPOSE: To uniformly cool a grooved roller in the longitudinal direction by arranging a passage for coolant passage in each area dividing the inside of a base metal of the grooved roller in the center in the longitudinal direction. CONS...
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JP2755909 |
PURPOSE: To eliminate loose wires and reduce wire breakage by making grooves of a plurality of guide rollers for guiding the wire square, specifying the width of the square grooves and winding the square grooves with a wire by specific t...
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JP10058439 |
To prevent the generation of rust on the contact surface of rollers and to make it possible to attach, remove and replace an outer roller with respect to an inner roller under the state, wherein the outer roller is coupled with the inner...
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JP10058434 |
To make it hard to form a space at the sliding surface between respective flaps and to avoid the intrusion of foreign matter into the gap when tension applied on a plate-shaped chain body is weakened. A cutting blade 4 is fixed to the pl...
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JP10058438 |
To adjust the position of the groove between respective guide rollers automatically. A guide roller 16 is movably supported along the axial direction of the roller, and the movement of the roller in the axial direction is regulated with ...
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JP10044140 |
To realize the easy working or the like of a working roller for wire saw by a structure wherein guide grooves consist of a metal base having grooves on its surface and a hard layer, which is formed on the surfaces of the grooves of the b...
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JP10044142 |
To realize the highly accurate cutting work of a workpiece at various pitches into a large number of pieces by a method wherein the depth of grooves arranged by longer pitch is made shallower than that of other grooves in working part ro...
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JP10034515 |
To provide a wire breakage detector for a wire saw which can surely detect breakage of a wire. In the vicinity of a wire 14 wound to grooved rollers 18A to 18C, a contact detection bar 44 is arranged so as to come into contact of a broke...
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JP10034516 |
To provide a wire reel coming-off preventing mechanism for a wire saw which can surely prevent coming-off of a wire reel by a simple constitution. One end of a wire reel 12 formed with a hole 12H along an axial line is connected to a tur...
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JP10015938 |
To measure the groove accuracy of a grooved roller without taking labor, without removing the grooved roller from an actual machine, and without washing the same. A shape measuring machine 44 is provided in the work feed table of a wire ...
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JP10015805 |
To accurately measure a groove shape of a roller with a groove while time is being saved. A shape measuring machine 44 is mounted to the lower surface of the work feed table 28 of the wire saw by way of a X-Y moving mechanism 42. The X-Y...
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JP2729582 |
PURPOSE: To simplify assembling and disassembling by holding a slide member rotatably and slidably in a longitudinal direction without removing a disc having a spiral, and fixing the member to the saw blade by a fastening means. CONSTITU...
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JP09323321 |
To obtain the accurate wear amount of a groove by measuring the groove shape under substantially the same conditions as those of a real apparatus. The measuring wire 46 having a diameter equal to that of the wire of a real apparatus is w...
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JP09314549 |
To provide a freely detachable wire reel which is miniature and lightweight and is easily attached and detached and to provide a wire saw using the freely detachable wire reel. A wire reel 60 is fitted to a spindle 64 connected to a turn...
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JP09314548 |
To provide a wire saw which can keep a tension to be imparted to a wire row constant and can reduce a tension of a wire to be taken up by wire reels. Between a dancer rollers 20A and 20B arranged between a pair of wire reels 12A and 12B,...
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JP09290361 |
To prevent generation of chipping at groove working time, by forming a groove forming part of a ceramics-made multigroove roller by ceramics of a prescribed % or more alumina content. A ceramics-made multigroove roller 1 for a wire saw i...
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JP09286022 |
To obtain a guide roller of a wire saw which can prevent splashing of a slurry. The outer periphery of a guide roller 18 is covered with a cover 70 formed cylindrically. A wire is guided along the circumference of the guide roller 18, so...
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JP2711344 |
PURPOSE: To punch an oval hole automatically on a wall board in an electric wiring work by accommodating a main hole opening machine system equipped with a track- type running member having cutting blades and a positioning rod in a case ...
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JP09248822 |
To detect easily surely an abrasion limit of a guide roller. Air is supplied to an air passage 74A formed inside a guide roller from a compresser to keep an inside of the air passage 74A at a specific pressure. The air passage 74A, when ...
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JP09248821 |
To reduce cracks, chippings and the like, and improve dimensional accuracy by elevating the matter to be worked while feeding abrasive grains, permitting wires to travel by work rollers with a straight wire wound with a tension balanced ...
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JP09248754 |
To provide a wire saw capable of detecting the state of a wire and main rollers in detail and quickly detecting cutoff of the wire. A wire between main rollers 11 to 13 is divided into a plurality of blocks, and tension of the wire is de...
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JP09225936 |
To provide a wire saw which need not highly strengthen a reel by contriving the way of perfectly absorbing the varying tension of a cutting wire. A tension applying mechanism 11 is arranged between a working roller 1 for winding a cuttin...
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JP09216154 |
To lengthen the life of grooved rollers by driving the rotation of a plurality of grooved roller at the identical torque with respective separate motors. In the feedback control system of a motor 21, deviation of the rotational speed of ...
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JP09216221 |
To easily fix a thread guide cylinder and rapidly detach the cylinder to read just the cylinder by forming the thread guide cylinder from a rotary sleeve in which the cylinder rotates about a fixing center part. A thread guide cylinder 4...
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