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JP2007007734 |
To provide a tap position sensor for detecting offset, compact-sized and easily integrated with a tool platen under a tapping tool.In the integrated tapping tool, a part shaped like a strip 6 is held on a strip support 4 with a hole 7 fa...
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JP2007000941 |
To realize screw cutting, enough securing the cutting speed of a screw cutting tool while restraining an incomplete screw part in a screw cutting end part.This screw cutting control device includes: a spindle rotation control means for r...
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JP3888609 |
To grind an internal thread efficiently by increasing the rigidity of a wheel spindle and using a large-diameter grinding wheel. A wheel head 4 is supported on a wheel spindle stock 3 so as to swing in a vertical plane including an axis ...
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JP2006326697 |
To provide a cutting-chip winding prevention tool for a spiral tap which can prevent cutting chips from winding around a shank and a tap holder.The cutting-chip winding prevention tool 30 is composed of a flexible resin or a rubber membe...
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JP2006326731 |
To correct screw threads of a bolt even in a narrow place, and correct screw threads even from a middle portion of the bolt.This tool for correcting screw threads comprises a die 2 comprising two divided die pieces 2', 2', and an openabl...
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JP2006315094 |
To provide a tapping machining device, detecting working abnormality in the process of tapping in simple constitution.In this tapping machining device 1, a tap holer 40 is connected to be expanded and contracted coaxially with a spindle ...
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JP2006305700 |
To provide a tap, and a method for manufacturing a tap, in which abrasion resistance is improved to elongate the service life of a tool, and dispersion among products is reduced.In a hand tap 10, a core member 13 is composed of high spee...
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JP2006305701 |
To provide a cold forming tap, and a method for manufacturing a cold forming tap, capable of improving abrasion resistance, elongating the service life of a tool, and achieving sufficient strength of a cemented carbide layer.In this cold...
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JP2006297577 |
To provide a tap and a plug capable of properly supplying a cutting oil agent in a through hole, and preventing processing costs from increasing.In this tap 1, a tap 2 with at least one spiral communication groove 21 recessed on an outer...
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JP2006297506 |
To provide a tapping device for a punch press capable of lengthening the service life of a tap by detecting the temperature of a servomotor and suppressing a rise in the temperature of the tap by controlling the number of revolutions of ...
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JP3871137 |
To provide a female screw member and male screw member for providing stable machining accuracy, securing an engaging height of a screw, and having sufficient breaking strength and pull-out force, and provide a working tool having an impr...
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JP2006289584 |
To provide a thread cutter which can prevent formation of burrs at an opening edge of an internal thread.According to the structure of the thread cutter, a helical flute 22 forming a cutting edge 16 is twisted leftward, in a manner being...
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JP2006289581 |
To provide a tapping device capable of lengthening the service life of a bent tap, and capable of improving quality of a nut product.This tapping device 1 has the rotatable bend tap 2 having a tap part 2a. The tapping device 1 has a reci...
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JP2006263912 |
To provide a drill thread milling cutter capable of more efficiently processing a long material of a chip, and/or stabilizing a cutting edge, which is advantageous particularly to a material with high strength and hardness such as steel....
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JP2006255862 |
To provide a spiral tap which can excellently cut a female screw even if chippings are squeezed into a prepared hole.According to the structure of the spiral tap, a projective center 18 is formed at a front end of a screw portion 16, and...
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JP3852268 |
To provide an electric power steering system and a method for machining a screw gear of the motor-driven steering system of simple constitution and good operability without play. Both bearing parts 10b of a screw gear 10 of a motor-drive...
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JP2006239858 |
To provide a screw thread forming tool and a screw thread method using the screw thread forming tool.The screw thread forming tool can be rotated around the tool axis, and has an action area having a plurality of pressurizing projection ...
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JP3838365 |
To provide a tapping unit capable of tapping a female screw with taps of different sizes by a same tapping unit and formed in a simple structure. A tap 65 held by the tap holder 52 of a tap pivoting part 40 is rotatingly driven at high s...
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JP3838569 |
To provide a coated high speed steel tool extremely improved in abrasion resistance by improving the hardness, or a defect of an (AlCr)N-based film, and consequently exhibiting a superior service life of the tool. This coated high speed ...
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JP2006205350 |
To easily and properly set a tolerable range of a comparison value between a current value and a late past average value concerning an index representing a load added to a tool.With a machining cycle count index i=O, machining is execute...
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JP2006198685 |
To provide a screw machining tool reducing burrs formed on the prepared hole outlet side to improve machining quality by preventing wear of a peripheral cutting edge and chipping of a cutting edge due to an increase of cutting resistance...
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JP3834544 |
To suppress breakage or chipping by preventing biting of chips, and to improve a life span of a tool, in a tap covered with a hard coating. Though the hard coating 28 is provided on a surface of a screw portion 12, the hard coating 28 is...
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JP3834303 |
To form a screw hole by continuously executing burring and tapping in one process. A movable body 12 with a frame 18 is vertically movably inserted to a guide hole 4 provided to an upper support part 3 of a base 2 to which a die receivin...
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JP3831167 |
To provide a thread cutting tool equipped with drilling edges and an associate method with the tool capable of performing thread cutting using a single piece of tool whereby a preparatory hole is formed by the drilling edges of the tool,...
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JP2006187853 |
To widen the range of objects to be checked if the tapping state is acceptable or not and facilitate restoration work by a worker and smooth tapping work by clarifying the whole of the tapping state while before, during and after the tap...
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JP3826368 |
To provide a method for manufacturing a female thread for a carbureter for which it is possible to suppress the longitudinal and transversal displacements after the screwing motion adjustment of a screw member. A hole before threading 3 ...
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JP2006181647 |
To provide a tap, a tap body and a set screw, preventing any increase in manufacturing cost while cutting fluid can be suitably supplied in through hole perforating as well.In this tap 1, when the set screw 2 is fitted to the tap body 3,...
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JP2006181652 |
To surely and stably obtain excellent performance of a thread forming tap with an inside diameter finishing blade.The thread forming tap 10 with an inside diameter finishing blade is integrally provided with a drill part 16 for working a...
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JP2006175565 |
To provide a tool for correcting a thread ridge, which tool can quickly, simply, and easily correct the thread ridge of a bolt and can reduce a cost.The tool 1 for correcting a thread ridge is composed of dies 2 composed of two halved di...
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JP2006175533 |
To improve strength against breakage in tapping or manufacturing a tap by improving the rigidity of a small-diameter tap and dispersing the stress concentration.Since an intermediate shaft part 14 having a medium diameter dimension D2 is...
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JP3822572 |
To provide a cold forming tap which improves a tool life through reduction of working torque. In a profile of a projected part of a cold forming tap, an exact round part (margin) is arranged to stabilize cold forming. The exact round par...
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JP2006159363 |
To provide a cold forming tap which can minimize a seam occurring on an inlet side of an internal thread portion machined by the cold forming tap, in order to prevent formation of defective clamping or damage of the internal thread porti...
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JP2006159405 |
To provide a tool for forming a screw thread where a screw thread milling area and a screw forming area are offset each other.The tool generating the screw thread on a workpiece is equipped with (a) at least one screw thread generating a...
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JP3817002 |
To easily work a screw groove having various lead angles, by relatively tilting the rotation axis of a grinding wheel by the lead angle part of the screw groove to the axial direction of a blank, to match the direction of an angular proj...
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JP2006150459 |
To solve the problem that conventionally, a threading chaser is composed by integrally fixing a cutting blade to the tip of a holder part by brazing, fitted into the holder part from the side part of a die head of a machining machine, an...
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JP3808455 |
To certainly segment a chip without damaging strength of a female screw even when the female screw is tapped for a material with high malleability. By pressing a cutting part 14 of the chip segmenting tool into a lower hole 22 prior to a...
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JP2006130579 |
To lengthen the life of a blade part in high-speed cutting by properly determining the number of blade parts and the shape of each blade part.In this chaser 1, two blade parts, a roughening blade 2 for cutting a thread and a finishing bl...
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JP3806190 |
To provide a bent shank tap which is so designed as to prevent nuts functioning as a bearing from being discharged from the top of the straight shaft part even when supply of the nut material is stopped while tapping is carried out on an...
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JP2006123120 |
To provide a throw-away tap capable of improving torsional strength, by sufficiently securing the effective rupture area of a joining part, even when detachably constituting a screw part for a body part.A mating face between the screw pa...
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JP2006123121 |
To provide a throw-away tap reduced in manufacturing cost and improved in mounting accuracy by simplifying a structure of connection section of a threaded section to a body section even if the threaded section is detachably configured.A ...
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JP2006123122 |
To provide a throw-away tap for reducing manufacturing cost, and improving installation accuracy, by simplifying a structure of a joining part, even when detachably constituting a screw part to a body part.A plurality of projection strip...
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JP2006116668 |
To provide a female screw repair tool, easily mending a thread of a female screw using a hand driver or the like without requiring skill.Since the outside diameter d, the effective diameter d2 and the root diameter d1 of a male screw 22 ...
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JP2006116674 |
To provide a thread forming tap capable of attempting improvement of working precision of a female screw thread top and also effectively absorbing dispersion of a prepared bore diameter.This thread forming tap to form a female screw 9 by...
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JP3797222 |
To provide a bolt which effectively prevents seizure and a burn caused by oblique insertion. In the volt (1P) to which a V-shaped cut (3) is provided at the starting end of the complete tread of a screw unit (2), which is provided to a s...
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JP3797316 |
To provide a bolt capable of effectively preventing from being galled/seized by oblique assembling. In this bolt 1P, a notched shape bent at the border thereof with a tip thread crest 33 is provided at the start end part of the complete ...
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JP2006110378 |
To provide a screw type prosthetic hip joint socket which has an arbitrary screw tooth and screw pitch which can be processed by lathe processing for a short time by programming.A thread which composes thread blades 2 and 3 and is tapere...
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JP2006102892 |
To provide a tapping device comparatively easy to miniaturize, to reduce its weight and to easily carry out its assembling work.The tapping device 10 is furnished with a spindle 12 having a hollow cylinder part 12b arranged in a cylindri...
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JP3788539 |
To remarkably reduce a position deviation near the working start position by converging to zero the position deviation value of U-axis for internal working and/of X-axis for external working by learning during an approach cycle. X-axis a...
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JP2006088299 |
To provide a tapping device capable of stabilizing screw machining precision against a work by monitoring a tap holding means.Forward moving time Tf until the time to receive input of a forwarding end detection signal from a limit switch...
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JP2006088270 |
To provide a main spindle attachment device for a machine tool, which can carry out tap machining at a high rotational speed, and can reduce a starting time period of a main spindle.The main spindle attachment device is attached to a fro...
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