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JP7218042B2 |
The present invention relates to a tap drill comprising a substrate and a coating, wherein the coating is deposited on at least a portion of the substrate comprising the head of the drill, the coating comprising a first layer deposited d...
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JP2023015535A |
To provide a tapping screw having a loosening stopping function or a return stopping function, and a manufacturing method thereof.A spiral streak (2a) inserted into a prepared hole (3a) in a workpiece is formed in a preceding-side region...
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JP2023503561A |
A plant (10) for threading metal bars, in particular bars for reinforcing concrete, is described herein, the plant (10) comprises a storage unit (2) for storing a plurality of bars to be threaded. ), the bar being oriented in the longitu...
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JP7214811B1 |
An object of the present invention is to provide a tap holder having a simple structure and high run-out accuracy. A tap holder (10) includes a body (11) having a collet holder hole (11b) opening on the distal end side, a tap mounting ho...
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JP7214568B2 |
A machine tool and a control device for the machine tool for shortening the machining time of a workpiece in a case where the relative and reciprocal vibration of workpiece holding means and tool post in the radial direction of the workp...
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JP2022186260A |
To provide a grindstone oscillator that can actually perform super-finishing processing for a Gothic arc groove in a screw shaft of a ball screw.A grindstone oscillator 1 comprises a grindstone holding part 23, a grindstone pressing part...
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JP2022182411A |
To provide a machine tool that can perform a variety of processing and is made compact.A machine tool comprises a main shaft 31 capable of gripping a work W and rotating on a main shaft center line CL1, and a cutter holder 5. and a cutte...
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JP2022177372A |
To provide a tap for a taper pipe thread that can suppress clogging with chips and tearing into a surface subjected to screw machining caused by reduction of biting of chips, in taper female screw machining to piping or the like.A tap 1 ...
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JP2022177792A |
To provide a hard coating suitable for a rolling tool with an improved abrasion resistance in rolling processing for an alloy steel object to be processed such as a chromium-molybdenum steel, a rolling tool with the hard coating coated, ...
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JP7174686B2 |
A tool and related method for the non-cutting production or reworking of a thread in/on a workpiece comprises a forming area which is rotatable about a tool axis (A), the forming area having a plurality of pressing lobes protruding or pr...
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JP3239761U |
An object of the present invention is to monitor die breakage using signals output from an AE sensor and an AE sensor amplifier, and automatically stop a thread rolling machine when the monitoring signal exceeds a threshold value. An AE ...
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JP7165925B2 |
The present disclosure provides a handier electric power tool (1). An electric power tool (1) according to an embodiment includes: a motor (10); a driving unit (20) to be driven by the motor (10); a trigger switch (30) to be operated by ...
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JP7143844B2 |
Provided is a cutting tool containing a sintered body which includes a first hard phase, a binder phase, and Al2O3. The first hard phase comprises WC. The binder phase contains a first metal comprising at least one selected from Co and N...
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JP7135233B1 |
A screw capable of dredging threads from both the front and back sides of a workpiece, performing simultaneous dredging at multiple points, and dredging threads horizontally with the workpiece erected without being restricted in the dire...
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JP7132428B1 |
A method for machining a tapped hole in a workpiece having a plate-like portion (1) comprises the steps of preparing a flat plate-like auxiliary member (2), and inserting a plate-like portion (1) having a diameter smaller than the outer ...
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JP2022127622A |
To provide a new tool coupling device for coupling a tool for conducting machine work to a workpiece, in particular, producing a thread or a screw hole, to a drive part.A tool coupling device for coupling a tool for producing a thread or...
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JP2022122804A |
To provide a tap handle exclusive for small diameter, that is difficult to handle, in order to eliminate looseness of a conventional ready-made tap handle, difficulty in handling thereof, and occurrence of breakage of a small diameter ta...
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JP7116860B2 |
Provided is a rolling die that increases the durability of a nitrided molded surface. The rolling die (1) includes a tool base material that is made of steel and has a molded surface (2) on which a plurality of working teeth (10) is form...
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JP2022115031A |
To provide a threading tool with which anyone can easily perform threading in an outer circumference of a flexible tube, and that can prevent the screw obtained by threading from being defective.A threading tool includes a die for thread...
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JP7109779B2 |
To provide a screw processing tool in which a mechanism capable of adjusting a blade tip position is provided outside a tool holder.A screw processing tool 1 comprises: a tool holder 2 which has a holder side open hole 21 which penetrate...
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JP2022109372A |
To provide a cutting tap configured so that striking can be surely secured.A cutting tap 10, which processes a male screw by cutting, comprises: a complete screw thread part 11, led to a front side of a shank, in which a plurality of scr...
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JP7097220B2 |
To provide a machine tool capable of easily performing various machining.A machine tool includes: a base 41; a B-axis rotating tool section 50 which is rotatably provided around a B-axis with respect to the base 41 and is capable of hold...
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JP2022086267A |
To solve a problem that it is difficult to correct a crushed stud bolt at a work site.In a pair of pincers or pliers, dies for a bolt, which ranges from a small size to a size that can be sandwiched by the pair of pincers or pliers, are ...
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JP2022081971A |
To solve a problem that it is difficult to correct a crushed stud bolt at a work site.In a pair of pincers or pliers, dies for a bolt, which ranges from a small size to a size that can be sandwiched by the pair of pincers or pliers, are ...
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JP2022526630A |
The present invention relates to a thread former (1) for manufacturing internal threads in metal workpieces. The threadformer (1) includes a forming section (6) with a common central axis of rotation (7). The forming section (6) includes...
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JP2022076235A |
To allow friction between a screw and a nut in a speed reducer to be further reduced.A speed reducer (screw speed reducer 10) comprises a screw 20, and a nut 30 screwed to the screw 20. Tooth surfaces 221 and 222 of one of the screw 20 o...
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JP2022064277A |
To provide a finish grinding tool which can improve productivity of a female screw member, and can ensure good property of a female screw member.A finish grinding tool 3 comprises a thread part 5 in which a thread is spirally formed on a...
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JP2022064280A |
To realize a structure capable of effectively suppressing resistance to relative rotation of a nut and a rod, as well as backlash between the nut and the rod.A slit 18 is formed to be extended in a direction orthogonal to a direction of ...
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JP7057703B2 |
To provide a machine tool in which fluctuation in a load added to a blade tool can be detected with high accuracy.A machine tool 1 having: a spindle 3 which grips a work-piece W; a cutter holder 10 which moves blade tools 11a to 11c in a...
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JP2022060273A |
To provide a control device having a function of performing a thread cutting process while separating out chips.A control device 10 that controls, according to a machining program, a machine tool for performing a thread cutting process o...
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JP7053362B2 |
To effectively hinder chattering vibration in a thread-cutting process including a finish process.A method for a thread cutting process is performed by repeating, more than one time, a path or a cycle including: allowing a cutter to radi...
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JP7048092B2 |
To provide a cutting tap configured to prevent occurrence of jamming of cut chips between a female screw and the tap.In a cutting tap, in which a complete thread part 4 and a leading part 5 are divided by a plurality of grooves 11 extend...
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JP7045906B2 |
To shorten a time required for removal treatment of scraps when performing taper tap processing by a punch press.A tapered chamfer formation part 43 for forming a chamfer part C1 on a peripheral edge part on a front side of a prepared ho...
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JP7042267B2 |
A tapping machine (10), for tapping perforated products such as nuts (14), bushings or the like, comprises a spindle (11) on the longitudinal axis (12) of which a tapping tool (13) is rotatably mounted which tapping tool (13) is provided...
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JP7036822B2 |
Disclosed are threading device (1) and threading method, including a turning step for threading a rotating workpiece (W) with a predetermined cutting depth, by relatively moving a tool (3) in the axial direction of the workpiece (W) and ...
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JP7029614B2 |
The present invention discloses a tapping shank which mainly consists of axial, radial and deflection comprehensive floating mechanisms and a high-sensitivity rolling clutch safety mechanism. The present invention has an actual safety gu...
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JP7020477B2 |
Cermet contains a hard phase which contains carbonitride containing Ti and Nb and a metallic binder phase containing an iron-group element. The hard phase includes a granular core portion and a peripheral portion which covers at least a ...
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JP7018136B2 |
Since a sharp crest 40 having a triangular cross-sectional shape is provided in a top portion of a thread ridge 10 of an external thread in the leading portion 24, the thread ridge 18 is easily caused to bite into an inner-wall-surface l...
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JP7017651B2 |
Provided is a lapping technique with which it is possible to carry out lapping with a whole form processing tool through flexible adjustment of a retention orientation of a ball screw nut. This lapping jig is provided with: a jig base wh...
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JP7016669B2 |
To enable the replacement work without requiring re-adjustment of the blade tip position at the time of fixing a cutting insert to a cutter body after re-polishing the cutting edge of the cutting insert on the cutting surface side in a c...
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JP7016212B2 |
To provide a tool having a groove forming range formed so that a groove which makes it possible to form a screw in a core hole can be manufactured at the wall part of the core favorably.Provided is a groove forming tool, especially a com...
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JP7010261B2 |
To provide a numerical control device and control method that can accurately monitor a machining load of a spindle motor.A numerical control device determines whether there is a constant speed section between an acceleration section and ...
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JP7006276B2 |
In a screw thread cutter, a screw thread-cutting edge is formed on an outer periphery of a tip portion of a cutter body. Finishing edge-thread ridge height from a tangent line passing through valley bottoms of second and third valley por...
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JP2022014926A |
To adjust within a specified dimension, the inner diameter of a tip of a crest part in an oversized screw hole without additional processing, when processing the oversized screw hole by a tap.There is provided a tap 11 for processing an ...
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JP2022014925A |
To enable a screw hole to be processed with a tap being centered more reliably relative to a prepared hole.A tap 10 has a guide member 14 at its tip that can center a threaded part by fitting into a prepared hole 26.SELECTED DRAWING: Fig...
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JP6999263B2 |
To provide a method for manufacturing multiple ball screws in which wobble errors are rotationally synchronized.A manufacturing method according to one embodiment of the present invention comprises the steps of: mounting a first ball scr...
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JP6993557B2 |
To provide a cutting tool of which sharpness can be improved while suppressing shortening of a service life thereof.A cutting tool comprises a cutting blade which contacts a cut object, and is rotated in a prescribed rotation direction D...
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JP6990678B2 |
To provide a nut polishing device capable of implementing polishing work of nuts with different sizes, without carrying out special setup changes.A nut polishing device includes: a slide device which causes a nut to slide from a supply p...
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JP2022503968A |
A drive system for tools used with metalworking presses or other machines, in which planetary gears are used and the drive system is configured to be used with specific tools such as female thread cutting tools. , Complementary systems c...
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JP2022001391A |
To provide thread forming tap to a processing point of which a cooling liquid spreads even when performing screw processing from a lateral direction of a process material.In a thread forming tap 10 which has a thread part 1 provided at a...
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