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JP3109384B2 |
PURPOSE: To reduce a burden of an operator by automatically measuring a wire winding diameter of a grooved roller and a wire reel. CONSTITUTION: Wire moving quantity (L) between a grooved roller 22 and a wire reel 12 is measured when the...
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JP2000309015A |
To prevent a method for stretching a wire for a wire saw capable of preventing abrasion of a grooved roller by a simple method. In the case of forming a wire line W of a pitch M, grooved rollers 18A-18C to which grooves are formed at a M...
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JP3107143B2 |
To provide a wire traverse device properly controlling the guiding speed of a guide roller for a wire delivered from a wire reel. A guide roller 68 on which a wire 14 is layed is provided to guide the wire 14 in the axial direction of a ...
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JP3106294B2 |
A contact detecting bar is placed in a proximity to a wire wound on grooved rollers so that the broken wire can come into contact with the contact detecting bar. By detecting the contact between the broken wire and the contact detecting ...
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JP3106415B2 |
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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JP3104156B2 |
PURPOSE: To provide a wire reel whirl stop structure for a wire saw capable of simply fitting a wire reel to a turntable. CONSTITUTION: Grooves 34, 34... started from a coupling projection 20A are radially formed at uniform angles on the...
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JP3105431B2 |
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JP3083572B2 |
The invention concerns a cutter link (31) for a saw chain, comprising a base member (36) having holes (34, 35) therethrough for connecting links together by means of pintles (13); a raker (42) formed at the forward end of said base membe...
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JP3084699B2 |
PURPOSE: To improve working efficiency by making it easy to remove a wire reel from a turntable without being influenced by wire reel deformation caused by wire winding. CONSTITUTION: A bolt 32 is formed into a stepped structure having a...
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JP2000218507A |
To provide a group roller supporter of a wire saw which can grasp an accurate temperature. Temperature sensors 76A, 76B are installed on the outer cylinders 72A, 72B of spindle units 62A, 62B. Thereby, the real temperature of the spindle...
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JP3074006B2 |
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JP3074049B2 |
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JP3074007B2 |
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JP3071099B2 |
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JP3067773B2 |
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JP3068069B2 |
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JP2000190196A |
To certainly sense abnormal rotation of a reel bobbin of a wire saw generated by various factors using a simple structure and emit an alarm or stop the operation in the event of abnormality. A vibration sensor 40 is composed of a vibrato...
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JP2000167761A |
To provide a brake device of a wire saw operating by a simple configuration.A pressing means pressing a side face or an end face of a rotary body including a wire reel 12 is provided in the vicinity of the rotary body to press the side f...
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JP3054550B2 |
PURPOSE: To provide a wire saw device in which the structure of a tensile force reducing mechanism can be simplified, and also the rollers of the tensile force reducing mechanism can be prevented from being worn in their early stages. CO...
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JP3047178B2 |
To provide a wire saw usable unlimitedly in manufacturing of moldings. A wire saw is equipped with saw wires used for cutting a work piece W to moldings in the condition of a plurality of wire webs 6a, 6b which are positioned so that one...
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JP2000141201A |
To reduce the waveiness of a wafer cut face and the surface roughness of a wafer by controlling a new wire supply quantity set value on the basis of a specified expression. A reciprocation-traveling wire 14 is wound around a group roller...
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JP2000107936A |
To provide a sufficiently uniform large cutting force and to surely carry out chips by situating a cutting tip with a side space to a preceding cutting tip in the direction crossing to chain vertical direction, and moving it after the pr...
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JP2000108011A |
To provide a wire drive controlling method for simply and correctly correcting strain and relaxation occurring at the time of changing the reciprocative travel of a wire in a wire saw.In a wire saw, strain and relaxation, occurring at th...
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JP2000096839A |
To a cutter capable of easily cutting a concrete structure, if at any position, providing for rapid cutting work, greatly reducing in cost and avoiding danger.A machine is secured to a frame 2 at the end of a power shovel having a hydrau...
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JP2000094299A |
To provide a group roller driving method for a wire saw and its device wherein the tension of a wire at the cutting process portion of a wire saw is stabilized, and the waviness and roughness of a cutting plane is made low.The value of c...
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JP2000094297A |
To prevent wear of grooves of a multiple grooved pulley contacting with wires, by forming the multiple grooved pulley wound with the wires of a hard material, and by forming a hard carbon film directly or through a middle film layer on a...
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JP2000094298A |
To prevent the annular groove of a main roller from being worn out one-sidedly, and let each wire have the lead of one pitch every winding of the wire.Three main rollers are formed out of two pressure contacting side rollers 12a and 12b ...
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JP2000084826A |
To provide a group roller structure capable of suppressing a deformation of the group roller while requiring no axis alignment of a bearing. Group rollers 18A-18C are formed by rotatably supporting cylindrical bearings 44A-44C and drivin...
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JP2000084825A |
To provide a wire saw allowing efficient replacement work of a wire reel while maintaining lightening of the wire reel. A circular recessed part 12A is formed on the end surface of a wire reel, and a projecting part 44A to be engaged wit...
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JP2000502916A |
The present invention comprises a module for a surgical driver of the type having a handle and a barrel with an axis. The module comprises a releasable attachment mechanism for releasably attaching the module to the surgical driver, a to...
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JP2000071181A |
To reduce the weight and manufacture cost of working machines, particularly of their drive unit. A drive unit includes in its metallic chassis portion 4 a crack chamber 3 as one of two crankcase halves, and a flange surface 8 in a plane ...
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JP2000061803A |
To provide a saw wire assembly which can facilitate handling of saw wires stuck thereto with abrasive grain when a workpiece is cut with the use of several saw wires, and a cutting method which can enhance the cutting efficiency, and a c...
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JP2000061806A |
To provide a grooved roller for a wire saw, which can prevent a wire from dropping from the outer peripheral surface of a grooved roller. A grooved roller is composed of a shaft core 41 and a grooved molding member 44 fitted on the shaft...
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JP2000052302A |
To enable a bar to retain a tension in a chain while the bar is clamped in a chain saw housing. A guide bar is fitted to studs 22,24 on a chain saw and is equipped with a slender bar body. The rear end part 50 of a shaft 42 which slides ...
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JP3010437B2 |
A wire saw has rotatably mounted two or more wire-guide rollers, around which a sawing wire is wound, two adjacent wire-guide rollers forming the boundary of a wire web, which has a certain width. The wire saw has at least one drive, by ...
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JP3010426B2 |
A system is provided for follow up of the wire section on the cutting faces provided, with at least one measurement facility and at least one adjustment facility. The measurement facility determines an inaccurate position of the wire sec...
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JP3010427B2 |
The bandsaw has a sawing head (5) with a number of cutting wire guide rollers (9), around which a number of parallel wire sections are passed, to provide planar wire grids (11), displaced relative to the workpiece (10). The displacement ...
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JP2000042893A |
To prevent the worsening of workpiece cutting accuracy and to reduce the cost of a wire saw. Positioning rings 58, 58 are fitted to a movable side support frame 56 being adjusted in position so as to be arranged coaxially with a fixed si...
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JP2000005930A |
To hold a bar in the state of applying tension to chains during the work of clamping the bar against a chain saw housing. A guide bar mounted on the studs 22, 24 of a chain saw has a slender bar main body having an axially extending cavi...
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JP2000005998A |
To suppress the displacement of an annular groove against a work and the fluctuation of the groove interval and to uniformly cut the work by providing rising sections suppressing the thermal expansion/shrinkage of a multi-groove cylinder...
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JP2000005999A |
To suppress a tension fluctuation with a dancer roller by setting the diameters of grooves at the center section wound with a wire to form a cutting section within many grooves formed on the peripheral face of a grooved roller larger tha...
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JPH11347913A |
To easily and safely carry a groove roller without damaging it by fitting an engagement member to be engaged with an outer carrying means to both ends of a flexible packaging material which is formed to the size capable of packaging the ...
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JPH11348029A |
To provide a wire twisting mechanism of a wire saw capable of simply applying a twisting to a running wire. A pair of guide rollers 16H, 16I are disposed such that the rotational, axes 34H, 341 of an adjacent pair of guide rollers 16H, 1...
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JP2991025B2 |
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JP2987577B2 |
A device and method for unwinding or winding a sawing wire from a reel or onto a reel which rotates. The sawing wire runs from the reel or toward the reel over a pulley and in so doing, assumes a defined axial position on the reel. In th...
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JP2987125B2 |
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JPH11320380A |
To provide a wire saw to smoothly move in an axial direction without the occurrence of a twist to a bearing unit when a processing roller is mounted and demounted between a pair of bearing units. Processing rollers 15-17 are rotatably su...
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JP2980225B2 |
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JP2975604B2 |
The method and the device involve using cutting wires driven reciprocally in their longitudinal direction.Wire ends (57) are held in position by means of wire end holders (55) which are guided in their lengthwise direction relative to a ...
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JPH11309660A |
To increase the cutting speed by reciprocating a work in parallel with a wire. A work reciprocating mechanism 21 for reciprocating a work W is fitted to a work elevating mechanism 5. This work reciprocating mechanism 21 is provided with ...
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