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JP3289123B2 |
PURPOSE: To treat cooling wind diffused into a blade chamber without influence to the dust collecting function of the blade. CONSTITUTION: A plurality of slits 27 are formed on the circumference of the conical oblique part 4a formed at t...
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JP3284141B2 |
PURPOSE: To guarantee an accuracy of a member to be sawn and to relieve a disadvantage of a prior art by holding a relative position of a thread saw guide cylinder directed toward a member to be sawn constantly by a compensating unit to ...
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JP3281462B2 |
PURPOSE: To provide a chip removing device for a sawing machine in which the vibration of a brush in the state that the brush has been thrusted in the saw blade can be prevented, so that the wear of the brush due to the vibration can be ...
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JP3277307B2 |
PURPOSE: To increase dust collection efficiency in simple constitution by providing an arm in the rear of a base for placing lumber to be cut thereon and providing the suction port of cutting chips that is opened in the front to the arm ...
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JP2002066839A |
To provide conveying devices for an angle cutting sawing machine simplified in structure and movement for traversing during pivotal movement of the sawing machine.The conveying devices 7 and 8, located on both sides of the angle cutting ...
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JP3257968B2 |
To facilitate the attachment/detachment of a blade and its detecting means by setting a blade cover in which a spindle housing for supporting a spindle equipped with a rotary blade rotatably is formed from a means for detecting the state...
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JP3251456B2 |
PURPOSE: To efficiently suck the cut powder on a base to correspond to oblique cutting by attaching a dust sucking nozzle to the base even on either one of the left and right sides of a blade so as to position the suction port thereof in...
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JP2002011614A |
To provide a band saw cooler that can supply and recover cooling air and cutting oil to and from a band saw in cutting work.The band saw cooler includes a box 8 having an internal space 14 enclosed by walls and a pair of slits 11a and 13...
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JP3231994B2 |
PURPOSE: To provide a ventilating structure for a power tool which cools a motor efficiently and has excellent fan performance, and can reduce noise. CONSTITUTION: A ventilating structure in a power tool is equipped with a cooling fan 4 ...
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JP3231054B2 |
PURPOSE: To enable an endless saw blade to be attached positively and automatically or removed in an efficient manner to or from both driving and driven wheels installed in a saw blade housing of a vertical band sawing machine, by way of...
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JP2001308034A |
To enable precise cutting of a workpiece without errors, without having to perform complicated work, even in the case of replacing a rotary blade in a cutting machine for cutting the workpiece, by moving the workpiece in a relative cutti...
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JP3214295B2 |
PURPOSE: To provide a portable dust collecting circular saw in which the end position of a saw blade can be easily confirmed during cutting and which has the high dust correcting rate. CONSTITUTION: Partition plates 12a to 12e having fla...
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JP2001260080A |
To provide a device and method capable of separating an extruded section of a very small length.A shorter section 10 is advantageously separated from an extruded panel 7 continuously manufactured by a twin belt conveyer 2 by a sawing dev...
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JP3203364B2 |
To allow fast alignment, by imaging a pattern of a single point near work's center point at a time with each imaging means provided at a pair of cutter blade units for alignment. A cutter blade unit is provided at imaging devices 18 and ...
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JP2001512376A |
An electrical manual power saw includes a machine housing that has a housing shaft and a housing head (102) holding an interchangeable tool, and an electrical drive for driving the tool in an oscillating reciprocating motion. The housing...
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JP3195504B2 |
PURPOSE: To accurately detect the bending of a blade during slicing even across a wafer. CONSTITUTION: When a wafer W is cut off from a work 30 by the inner peripheral blade 11 of a blade 10, a blade bending detection sensor 20 being a d...
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JP3189577B2 |
PURPOSE: To enhance operability and workability by a method wherein a handle and a grip of an auxiliary handle are mounted on a cutter body as to be positioned on an axis of a motor together with a top tool. CONSTITUTION: In front of a c...
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JP2001150240A |
To prevent cutting fluid from being frozen even in a cold district.When a workpiece is cut by cutting tools provided with a tool housing, the cutting fluid is injected to a cutting line of the workpiece. A start time for starting circula...
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JP2001150239A |
To provide a cutting fluid supplying device for a sawing machine capable of thoroughly applying cutting fluid for a saw blade and washing out cutting chips adhering to the saw blade as far as possible even a workpiece is large and wide.S...
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JP2001129747A |
To provide a rationalized cutting fluid recovering device capable of easily mounting an oil pan for recovering the cutting fluid, and reducing the cost. A roller conveyor 3 having plural feeding rollers 5 mounted at proper intervals in t...
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JP2001105228A |
To avoid the splash of a cutting liquid on a floor even when the cutting liquid flows along the upper face of a material. An oil pan 39 is located around a cutting position for recovering a cutting liquid after sprayed, and a first block...
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JP2001090022A |
To easily form thin holes with a large diameter in the road within a short period of time to reduce a construction period of time. A plurality of cylindrical bit main bodies 2, 3 and 4 having different diameters and providing bits 5 to t...
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JP2001088121A |
To improve the capacity for cooling a cutting portion where a cutting tip comes into contact with a material to be cut, without staining the material, a dust collecting device and others with a cooling agent in a boring operation. A bori...
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JP2001030232A |
To provide a cutter with a dust suction opening which can suck all dust without using a large dust collecting device and, moreover, which can cut at a correct position and can provide a groove at a correct position. A casing 3 is provide...
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JP3126836B2 |
PURPOSE: To electrically detect abnormalities such as the cutoff of a wire or the electrical contact of a wire with a machine body without using any power feeding means like a slip ring or a rotational connector. CONSTITUTION: In a wire ...
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JP2000313001A |
To make the outward face of a saw blade below a saw blade guide visible when the saw blade cuts a workpiece. The circular saw comprises a motor for rotatably driving a saw blade 18 wherein a bevel angle is defined between the cutting pla...
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JP3107759B2 |
To attain easy mounting/demounting of liquid supply nozzle by providing a fixed part with a fastening part being extendable radially and fitted in a receiving opening part. A fixed part 22 is formed at the main body of each nozzle 7 so t...
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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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JP2606424Y2 |
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JP3098801B2 |
PURPOSE: To use a motor-drivers circular saw so as to discharge chips to the outside, to simply carry the chips to make the same disposable and to smoothly introduce chips into a chip receiving box by arranging the freely detachable chip...
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JP2000237945A |
To prevent the displacement of a saw blade from a target position due to the wrong adjustment of a nozzle by providing an inner peripheral blade type saw with a block for strongly hold a sensor and a nozzle at the regulated positions. A ...
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JP3085136B2 |
Disclosed are an improved method and apparatus for slicing a workpiece 21 such as a semiconductor ingot, in which coolant nozzles 2, 3 are disposed near the cutting edge la of an annular blade 1, air nozzles 4, 5 are respectively equippe...
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JP3074668B2 |
PURPOSE: To shorten the detection time of the displacement of a blade and to stabilize a process for detecting the displacement of the blade. CONSTITUTION: An image sensor 56 imaging the light 79 condensed by an optical system 54 is prov...
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JP3053336B2 |
PURPOSE: To suppress the bending of a blade during slicing and to enhance the processing accuracy of a work to a large extent. CONSTITUTION: The displacement quantity of a rotationally driven blade 10 in the rotary axis direction thereof...
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JP2604977Y2 |
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JP3044375B2 |
To cut with a freely selected cutting surface angle of a rotary cutter mounted at the tip of the arm of a backhoe or the like. This cutting device consists of a basic part 10, which joined to the tip of the arm 1 of a construction equipm...
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JP2603630Y2 |
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JP2603618Y2 |
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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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JP2000037705A |
To always and surely prevent cuttings from scattering regardless of depth of cutting in a structure for preventing cuttings from scattering in a portable circular saw. In a portable circular saw 1 wherein depth DS of cutting can be chang...
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JP3007620B1 |
A digital non-contact blade position detection apparatus is provided for use on a wafer dicing machine for blade position detection so as to correct the position of the cutting blade. The apparatus includes a light source for generating ...
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JP2000033516A |
To improve the work environment in the surroundings by recovering a cutting oil in a pipe material while preventing the outflow of the oil at the time of cutting and machining. A workpiece rear end detection device detecting a position o...
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JP2997401B2 |
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JP2982546B2 |
A drilling method and a drilling apparatus of a hard brittle material in which a core drill is used for abrasive grinding of high accuracy and high durability. Therefore, the structure of this invention comprises: a tubular core drill; a...
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JP2979194B2 |
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JP2979870B2 |
PURPOSE: To prevent the collision of a cut part against a blade after completion of cutting a semiconductor ingot and to realize a complete automation in cutting. CONSTITUTION: A nozzle 42 is disposed facing to the surface of the semicon...
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JP2971575B2 |
PCT No. PCT/IT93/00055 Sec. 371 Date Nov. 29, 1994 Sec. 102(e) Date Nov. 29, 1994 PCT Filed May 28, 1993 PCT Pub. No. WO93/24291 PCT Pub. Date Dec. 9, 1993A portable machine for performing cuts, particularly rectilinear or curvilinear cu...
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JPH11291120A |
To prevent the stick between the cut end and rotary cutter of a cut object and reduce the friction force therebetween. A cut object 1 is cut by a rotary cutter 11 by carrying the cut object 1 by a conveyer 13 and passing a disc type rota...
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JP2967896B2 |
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JP2968185B2 |
PURPOSE: To eliminate the use of cooling water at a wire saw by arranging cold air spray means for directly spraying cold air to the cutting site of a material to be cut, and duct collecting means disposed above the site. CONSTITUTION: I...
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