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JP2001287108 |
To simply and easily drill even a long hole in a workpiece. When a hole having a desired length can not be provided by one-time drilling work, the projecting length of a rotary shaft 11 from a device body 1 can be adjusted by canceling t...
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JP2001277017 |
To provide a sound isolation device for a core drill compatible with noise lowering of drilling work and a drainage and dust countermeasure. A base frame opening a drilling region by interposing a vibrationproofing material is clamped an...
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JP2001277018 |
To carry out smooth continuous machining by uniformly pressurizing the periphery of a drilling position of a workpiece and speedily collecting chips produced by drilling. A lower end of a cylindrical pressing part 22 makes contact with a...
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JP3230426 |
To prevent the generation of a component of a pressing force by forming the inclined surface of a pressure foot into a truncated cone-like surface, the dimensions of which is the same as the recessed part of a rotary member. When a press...
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JP2001239436 |
To provide a hole drilling electric rotary tool having an oil hole capable of performing smooth rotary drive without applying vibration to a spindle to obtain high hole machining precision and prolonging service life of the hole drilling...
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JP3226247 |
PURPOSE: To prevent chips of boring work of a crank pin hole from entering an oil hole of a connecting rod. CONSTITUTION: A fluid passage 20 communicated with an oil hole 5 is formed in a reference pin 14C to be fitted in a piston pin ho...
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JP3220219 |
PURPOSE: To promote an improvement in efficiency and a job for accurate setting in shortening a span of air-cut time of a drill necessary for opening one hole by setting a distance between the upper surface of a printed wiring board and ...
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JP2001205509 |
To provide a portable drill capable of boring a hand hole in a metal door without requiring a power source, or without generating sparks from a main body. For example, an impeller 8 is rotated by water of high flow speed and high pressur...
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JP2001205539 |
To provide a pressure foot that can straighten a warp in and preclude floating of a printed circuit board and can move smoothly in all directions. The pressure foot 5 comprises, basically, a pressure foot body 6, a brush 8 and rolling el...
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JP2001205511 |
To provide a hand-operated drill capable of boring a hole in a long medium sintered body of 180 mm or more, for example, and conducting hole boring work without fixing it by hand. In this drill for boring a hole in a rod-shaped workpiece...
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JP3215572 |
PURPOSE: To improve machining efficiency by providing a calculating means calculating the lift end of a spindle unit based on the output of a detecting means and the output of a gap setting means when the machining position is moved. CON...
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JP2001198714 |
To extend a removing range of chip dropping in piping. A chip removing device 1 is used for removing chip 14 dropping in an iron gas pipe 11 when the pipe 11 is punched. The device 1 is provided with a rod 2 having flexibility and a magn...
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JP2001198890 |
To provide a drilling device capable of improving the positional precision of a hole to be drilled while forming a drill to be automatically replaceable. The drilling device comprises a presser member 30 provided as presser means 13 for ...
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JP3211607 |
PURPOSE: To adjust the rising amount of a spindle necessary for shredding chips according to the diameter of a drill. CONSTITUTION: A sleeve 24 is slidably-pivoted to a worm shaft 22, and a male screw 25 is thread-fitted in a bearing par...
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JP2001191204 |
To shorten an executing work by easily and quickly performing a drilling, while suppressing noise. In a direct motor 1 having a cylindrical rotor with an inserted and fixed rotary shaft 3 provided with a bit 3a at a tip part and a cylind...
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JP2001191268 |
To provide a tool for a chisel and/or a drill capable of optimizing sizing of a tool accompanied by comparatively slight impact energy, improving drilling efficiency and low in manufacturing cost. This is a tool for a chisel and/or a dri...
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JP3209732 |
To prolong the life of a drill and to shorten the machining time by adding a fixed quantity of an action correction quantity to an action instruction signal, and generating a speed instruction signal based on the added action instruction...
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JP3207398 |
To provide a suction drill capable of efficiently discharging matters filled inside to the outside in a single process. A suction drill includes an outer cylinder 3 having a connection pipe 2 connected to a cylindrical body 1 passing thr...
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JP2001182715 |
To provide an automatic collar forming drill apparatus having a tool head capable of selecting any of its working velocity, working range or distance, speed changing point and turnover point, as desired. This automatic collar forming dri...
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JP2001179514 |
To improve the working accuracy of a crankshaft bearing hole while preventing the increase of the cost as possible. Crankshaft bearing holes 3a, 3b, 3c, 3d, 3e of a cylinder block 1 are finished by an intermediate finishing tool 11 and f...
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JP2001179705 |
To interlock ON and OFF of a dust collector with ON and OFF of a motor driven tool. A microphone 14 is provided near the end of a dust suction hose 13. The operating sound or the vibration of the motor driven tool is sensed. The ON or OF...
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JP2001170841 |
To provide a working device for a plate-like body small and furnished with a covering means capable of preventing splashing of working water and reusing working water, too.An upper clamp 24 and a cover 31 to cover a diamond drill 13, an ...
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JP2001162616 |
To provide a self-cooling type rotary drill for ejecting a cooling from a drill bit and preventing chips from externally scattering in the rotary type drill for drilling the wall surface of a concrete building or the like.When the drill ...
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JP2001162416 |
To provide an easily manufacturable air-driven rotary cutter.This air-driven rotary cutter 10 is provided with a two-stage rotor 102. A hand piece 10 has an air passage 144 to guide air from a first turbine blade 112 to a second turbine ...
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JP2001162408 |
To concentrically inject coolant to a subject part of a workpiece from a tip of a tool in a machine tool provided with a diametrical cutting device.This machine tool is provided with coolant communication holes 402, 406, 435 formed at ro...
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JP2001162480 |
To provide a device in a tool retention assembly suitable for high- speed operation having a small mass in a movable part.This device in the tool retention assembly for moving a turnable shaft 1 in the axial direction includes a means di...
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JP2001150282 |
To provide a spindle unit capable of rotating a tool at high speed while consuming little power.The spindle unit (a) attached to a cutting machine A includes a main spindle 60 to which the tool 6 can be mounted, a drive 8 for driving and...
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JP2001138117 |
To provide a liquid circulating device for a boring machine capable of reducing a burden of a worker accompanied by supplying of a cooling liquid by preventing generation of a trouble in boring work and performing also collection of a su...
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JP2001138118 |
To provide a work machine for a printed board capable of work at a high speed for a small diametric hole, by suppressing a vibration generated by movement in a spindle part. In this work machine for a printed board, relatively moving a t...
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JP3190208 |
PURPOSE: To form a rough balance hole and a finish balance hole by a single set of device. CONSTITUTION: Positioning members 13, 15 are arranged respectively under the first/second crank pins 5, 7 of a rotatably supported crankshaft 1, t...
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JP2001132887 |
To provide an active pipe branching joint allowing chip to be easily taken out after boring a main pipe with a hole saw. A pair of first and second divided joints 4, 5 are disposed to embrace at a part in the axial direction of a main pi...
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JP2001129744 |
To prevent the impairing of the working quality and accuracy caused by chips and to reduce the labor for processing chips. This device for eliminating the air flow including chip, comprises a guide hole 12a capable of closely inserting a...
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JP2001129748 |
To prevent the occurrence of the feeding error accompanying the thermal expansion of a screw shaft of a screw feeding mechanism. In this device for preventing the feeding error caused by the thermal expansion of a screw shaft of a screw-...
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JP2001129709 |
To provide a machining method and a machining device using a pressure foot, capable of positively holding down a work even when the dimensions of the pressure foot are changed due to wear etc., and improving the machining efficiency whil...
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JP2001129708 |
To control the feed speed of a core bit feeing device of a core drill device by a method so bar not being used, to attain a stabilized load of a driving motor. A way in which the deflection determining the feed rate of a core bit is adju...
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JP2001129710 |
To provide a both end finishing machine capable of easily cooing with the alteration even when travel length of a rotary cutting unit is altered, and lengthening the effective stoke of the rotary cutting unit. In a both end finishing mac...
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JP2001121330 |
To position and fix a drilling jig in order to process a nonpenetrating hole directing to the lens inner side from the end face of an eyeglass lens which is edging process, securely in a simple device and in a simple operation. While the...
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JP2001113405 |
To provide a shank unit for a dry process diamond drill preventing burn of tool tip and disturbance of cutting by chips. A shank unit for diamond drill A is comprised of a shank part 2 attached to a tool rotation spindle side, a sliding ...
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JP2001105276 |
To smoothen the cutting work while preventing the generation of failure of a suction pump due to the air suction in a cooling liquid circulating device with the structure that the suction pump sucks the suspension. In this cooling liquid...
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JP2001105256 |
To provide a main spindle balancer for machine tool capable of securely and effectively reducing a load of an elevation driving means for elevating a main spindle unit, securely improving the positional accuracy of the main spindle unit ...
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JP3174911 |
To obtain the inexpensive quill support device of a machine tool with a high rigidity. An annular fixing support part 11 is provided on the front part of a frame 10 and a guide rail 14 extending to front/rear direction is provided on the...
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JP3175012 |
To prevent the impairing of the working quality and accuracy caused by chips and to reduce the labor for processing chips. This device for eliminating the air flow including chip, comprises a guide hole 12a capable of closely inserting a...
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JP2001090022 |
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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JP2001088120 |
To provide a hole of a prescribed depth accurately and repeatedly in a molded structure of concrete or the like. An engaging peripheral groove 6 is provided in a drill main body 2 which proceeds into a boring hole, and a jig 11 constitut...
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JP2001087918 |
To provide a motor-driven processing device free of the risk that the accuracy and/or rigidity deteriorates and the overall length of the device increases even if the advancing and retreating strokes of a ram are elongated. This motor-dr...
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JP2001079705 |
To achieve compactness and lightness of a cutting device by rotating a rotary blade installed on a rotary cylinder by torque of a workpiece, to prevent entanglement of chips discharged from a drill with the drill by cutting chips, and to...
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JP2001079731 |
To prolong the life of a drill and to shorten the machining time by adding a fixed quantity of an action correction quantity to an action instruction signal, and generating a speed instruction signal based on the added action instruction...
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JP2001071234 |
To reduce trouble with a spindle unit motor used in a multi-shaft work device or the like. This spindle unit connects a drive part 20 and a tool hold part 30 in series. In a rear housing 21 of the drive part, a drive spindle 22 is journa...
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JP3169026 |
PURPOSE: To provide a lubricant sheet for the small boring of a laminated plate or plastic plate and a boring method in use of this sheet. CONSTITUTION: This is a lubricant sheet for small boring of a laminated plate or plastic plate tha...
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JP2001062787 |
To improve the efficiency in punching work by determining a region of the interference of a head part of a reference pin and a pressure foot. A cavity part 20 is formed on a lower part of a groove 12 of a table 7 of a printed board punch...
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