Document |
Document Title |
JP4066112B2 |
A sensor measures a displacement of a sensor, and a control part of a wire saw calculates a sliding load in accordance with the measured displacement and an initial tension of the wire. Then, the control part compares the calculated cutt...
|
JP2008049529A |
To provide a mechanism for adjusting the tension of a saw chain in which the operability and smoothness of adjusting the tension of the saw chain are improved and durability and safety are secured simultaneously.A rack member 23 is set o...
|
JP4049900B2 |
An ingot 9 is sliced to wafers by a wire 5 which travels around grooved rollers 1 to 3. A tension applied to the wire 5 is detected by tension sensors 21, while vertical displacement of dancer rollers 19 is detected by position sensors 2...
|
JP2007538387A |
A wire saw and wafer stabilizing system are provided for holding wafer sections invariantly against vibration and unwanted movement during the sawing process. A stabilizing means is applied to the ends of partially defined wafer sections...
|
JP4017174B2 |
|
JP4014046B2 |
|
JP3984655B2 |
A slicing device using yarn includes at least two yard-guide cylinders on which the yarn is wound and by which the yarn can be moved with a reciprocating or continuous motion pressed against a piece to be sliced fixed on a supporting tab...
|
JP3135479U |
To facilitate sharpening of a blade of a chainsaw by providing a bar of a chainsaw with a line indicating an angle of a blade for sharpening. According to the present invention, a wide line 2 and a wide line 2a indicating the angle of a ...
|
JP3958876B2 |
To provide a wire type cutting device which can cut a plurality of workpieces at the same time while keeping the surface accuracy substantially the same degree as that of the conventional arrangement. A first main roll part 10 is compose...
|
JP3947367B2 |
To reduce the size and weight of the arrangement and to improve the portability in a manually operated working machine, such as a mowing machine or a power chain saw equipped with an air-cooled internal combustion engine, in which a cent...
|
JP2007136575A |
To provide a cutting device including a ring saw, simply cutting off a part to be cut, and suitably used especially for cutting off an expansion/contraction adjusting part provided between the bridge girders of a bridge.This cutting devi...
|
JP2007062204A |
To provide a chain saw which suppressing a kickback by employing a reduced diameter of the sprocket wheel supported at the end of the guide bar.A driven sprocket wheel 19 is supported at the end of a guide bar 12 through a supporting sha...
|
JP2007045082A |
To provide a tension adjusting mechanism of a chain saw, which can stably adjust tension of a saw chain, while reducing its size and weight.This tension adjusting mechanism of the chain saw comprises a saw chain guide plate 8, a tension ...
|
JP3128689U |
To provide an adjustment structure which does not require a tool of a chainsaw. The main feature of the tool-less adjusting structure of the chain saw of the present invention is to provide an adjusting ring 2, an adjusting bolt 4, and a...
|
JP3854873B2 |
To improve a vibration damper between two constituent members in such a way that excessive elongation of the vibration damper is avoided and a power chain saw can be operated even when the vibration damper is broken. A connection element...
|
JP3848389B2 |
To cut an elastomer in a high accuracy, when the elastomeric material is cut, by applying a tension to a wire and stretching the wire between two fixed devices, and by traversing the wire through the elastomeric material in the state tha...
|
JP3841544B2 |
To correctly specify the position of a wire to be used for a wire saw. In a wire saw to cut a work W by moving a wire 15 in contact with a surface of the work W, arbitrary position of the wire 16 is specified by the accumulated number of...
|
JP2006238876A |
To provide a chain saw in a type of enabling a guide bar to be regulated without using a tool.The guide bar 18 of the chain saw is adjustable relative to the chassis and the clutch cover, but stationary while in a secured position. An ad...
|
JP2006519717A |
This invention relates to a chain saw comprising an engine body on which a guide bar is arranged such that it can be moved in its length direction. The chain saw is provided with a saw chain tensioning device ( 16 ) which is operated man...
|
JP3810170B2 |
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...
|
JP3804723B2 |
To reform a main roller and a guide roller by performing a low temperature oxygen plasma processing for the surfaces of hard urethane resin main rollers and guide roller. Each final grinding working is performed for hard urethane resin m...
|
JP2006191926A |
To provide a mechanism for adjusting a guide bar of a chain saw by an adjustment pin and/or an adjustment screw, capable of preventing damage to the adjustment pin and/or the adjustment screw.A bar adjustment assembly 10 of the chain saw...
|
JP2006150571A |
To provide a power tool capable of realizing low speed and high torque without requiring usage of a reduction gears or the like.The power tool is an electric sander 10 incorporating an outer rotor type motor 22 in a frame 12. A stator 24...
|
JPWO2004071708A1 |
When cutting a rare earth sintered magnet with a wire saw device using a fixed abrasive wire, the pulley is formed with each of a plurality of grooves in order to prevent the pulley of the roller running the wire from being worn. Each pa...
|
JP2006123055A |
To cut silicon, optical glass, quartz glass, ceramics, crystal, sapphire, ferrite, neodymium magnet, or the like with high accuracy in a method of cutting with a super-abrasive grain wire saw.A work material is cut after an unused super-...
|
JP2006103301A |
To provide a holding assembly for a tension adjusting mechanism for adjusting the tension of a saw chain of a chain saw.In the holding assembly 34 of the tension adjusting mechanism for adjusting the tension of the saw chain of the chain...
|
JP3745557B2 |
To provide an oil tank for a portable chain saw which is simple in a structure and low costed. In an oil tank for an oil lubrication between a saw chain and a rail of a portable chain saw equipped with a saw chain freely rotatably equipp...
|
JP2006027261A |
To provide a retaining assembly for realizing a tension regulating structure which regulates the tension of a cutting chain of a chain saw.The retaining assembly includes a rotary knob which is interlocked with an engine chassis 14, a cl...
|
JP2005344706A |
To improve a cooperative relationship among an ignition switch for a portable electric tool, a choke mechanism and an air filter unit by constructing them integrated with one another.The ignition switch and the choke mechanism have a coo...
|
JP3724943B2 |
To enable the accurate cutting by bonding a shaft made of the low thermal expansion material to a main roller bearing part made of a carbon steel for mechanical structure use with friction pressure welding method. A carbon steel for mech...
|
JP3712594B2 |
To make separate preparation of a tool not necessary when a stretched condition of a chain is to be adjusted in a chainsaw, while its opera tion property is improved. A chainsaw 1 is equipped with an anchor bolt 9 and a hexagonal nut 11 ...
|
JP3700342B2 |
To prevent various malfunction caused by run-out of abrasive grains by constantly supplying a sufficient abrasive liquid between a wire and a work at its cut part to prevent the run-out of the abrasive grain in the work cutting. An ingot...
|
JP2005199713A |
To improve a mechanism for adjusting a tension of an endless chain saw on a guide bar of a chain saw.A rotatable knob operates with an engine chassis, clutch cover, and guide bar, whereby the knob may be rotated between a tightened posit...
|
JP3667114B2 |
To fit and correctly position an outer side roller to an inner side roller by simple work without exerting a bad influence in strength upon the inner side roller. This guide roller is divided into an inner side roller 44 and plural outer...
|
JP3665220B2 |
To provide a portable power work machine wherein clogging of an air cleaner provided in a suction line of a small air-cooled internal combustion engine mounted as a power source for driving a work part can be reduced and hence the necess...
|
JP3664354B2 |
To provide a wire saw capable of automatically winding up a wire generally through the entire area of its passing route. A wire 11a delivered from a delivery reel 12 is wound up automatically between wire-grooved groove rollers 14 throug...
|
JP3664359B2 |
To prevent the damage of the fit surface of an uneven fit part provided on a groove roller end and a spindle end. In this assembly structure, the ring shape groove 40b for receiving a wire is engaraved on the taper surface of the project...
|
JP3660124B2 |
To suppress the occurrence of a tension fluctuation to a wire during the start of cutting of an ingot and to prevent the occurrence of a fear of profile precision being lowered and a wire being dislocated from a processing roller. In a m...
|
JP2005131785A |
To provide an opening-closing stand for a bench-top power tool, and its method.This stand 14 includes a structural member 62 rotatably installed in a lower outer peripheral part 58 of a base of the power tool. A sliding structural member...
|
JP3605807B1 |
To shorten the stop time of an apparatus and improve productivity by increasing the number of times one guide roller is used and shortening the groove replacement time of the guide roller, and at the same time, reducing the work load of ...
|
JP3104959U |
A wire saw 10 is laid across sheaves 12, 14, 16, and 18 arranged within a substantially horizontal plane. The sheave 12 is rotated by a rotary motor 30 to horizontally drive the wire saw 10. Within a region formed by the wire saw laid ac...
|
JP2004261959A |
To provide an attachment to be coupled with a portable power tool without detaching an internal component of the angle attachment.The angle attachment for a rotary power tool includes a first assembly including a first shaft and a first ...
|
JP3539773B2 |
PURPOSE: To provide a wire saw, by which a bar-like material to be cut, which is mainly made of an expensive and hard material such as silicon, chemical compound semiconductor, an oxide monocrystal ceramics or the like can be cut with a ...
|
JP2004509776A |
A sawing device includes a wire assembly ( 15 ) supported on wire-guiding rolls ( 11, 12 ) and pressed against a workpiece to be sawn ( 20 ) fixed on a support table ( 21 ). An oscillating device ( 23 ) produces a relative reciprocating ...
|
JP2004090103A |
To prevent a working mistake by allowing a worker to recognize or measure by knife and non-knife tools whether an edge part of the knife tool and a firing port of the non-knife tool keeps a predetermined working angle such as horizontal,...
|
JP2004074792A |
To provide a semiconductor silicon wafer which can be manufactured inexpensively while satisfying requirements as a base material for manufacturing an electronic component.The semiconductor silicon wafer as a base material for manufactur...
|
JP3501350B2 |
To provide a grooved roller capable of increasing the cutting accuracy of an ingot by a wire saw and the stability of ingot cutting to suppress the shaking of a wire at the time of starting the cutting. A wire 11a is wound on a wire groo...
|
JP3497784B2 |
To obtain high cutting capacity, a short processing time, and impoved cutting surface quality in particular. In this device, a workpiece is moved at a given feeding speed to cut off plural or many plates by the wire frame 1 of a wire saw...
|
JP3497077B2 |
To provide a wire guide roller for a wire saw, capable of being manually easily loaded on a rotary shaft when the guide roller tightened, protecting a wire from fracture without causing rotational vibration of the guide roller by interfe...
|
JP3498638B2 |
To reduce the run-out of a wire and to improve the uniformity coefficient of a thickness of a wafer by displacing a plurality of works in the cutting feed direction to obtain the time difference in the cutting of each matter to be cut, i...
|