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WO/1991/003349A1 |
The invention concerns a drive for a machine tool with relative rotational motion between tool (12) and workpiece (13) and relative feed motion in the direction of the axis of rotation, in particular a thread-cutting and/or drilling mach...
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WO/1990/014930A1 |
In thread cutting and slotting, indexable inserts of hard metal are now used. Usually, the inserts used have been of triangular type. In order to improve cutting economy, implying improved positioning, closer tolerances and increased str...
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WO/1990/014916A1 |
In thread cutting and slotting, indexable inserts of hard metal are now used. Usually, the inserts used have been of triangular type. In order to improve cutting economy, implying improved positioning, closer tolerances, and increased st...
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WO/1990/014192A1 |
This invention relates to a control device that can drive a compound lathe capable of tapping on the edge surface of a rotating work. This control device (100) is provided with first and second control circuits (110, 120) that control th...
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WO/1990/004494A1 |
A control system for a machine tool comprises a unit for generating a signal for an additional turn of the article into a position corresponding to the next helical groove to be machined. Said unit comprises a pick-up (19) of the initial...
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WO/1990/001388A1 |
The female threading operation is carried out by driving a tap (14) using a built-in main shaft motor (12) which directly drives the tap (14) without using transmission mechanism and using another motor (22) moves the tap together with t...
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WO/1989/010225A1 |
One-piece endless screws are used in container-filling installations in order to maintain an incoming sequence of containers at a predetermined distance apart. One-piece endless screws for rotationally asymmetrical moulded vessels are cu...
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WO/1989/009108A1 |
A device for producing threaded bore holes of different diameters and different depths in solid material using a standardized tool and using a commercially available hand drill or similar mechanical drive comprises a tool spindle (5) acc...
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WO/1989/008521A1 |
When a round screw is machined with a tool (TL) having a radius smaller than the radius r of arc of a screw (RST), data necessary for determining (i) a tool, passage pattern of a round threading cycle (PLi) and (ii) a cycle start point (...
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WO/1989/007027A1 |
The proposed threading die comprises thread-cutting combs mounted by their mating parts in the mating recesses of the casing and provided with cutting edges (9) having a thread (11). The mating parts of the combs (2) are shaped as the su...
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WO/1989/002331A1 |
Automatic machine (10) for processing mechanical parts, composed essentially of a frame (11) on which are mounted a delivery device (12) designed, for example, to move the nuts to be machined and threaded towards a central machining unit...
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WO/1988/006933A1 |
A tap (10) for forming threads on the inside of a bore which includes a hexagonal central pilot bore (22) and transverse dihedral shafts (24) constituting means for extracting a tap broken within a bore and also constituting means for de...
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WO/1988/005361A1 |
A combination tool for drilling a hole in a workpiece on the inward feed of the tool and for threading the hole during retraction of the tool. The tool (10) comprises a straight body with a drill point (14) at the forward end, a shank (1...
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WO/1988/003451A1 |
A tapping controller for effecting the tapping by turning a main spindle and moving a Z spindle in synchronism with each other by distributing the pulses. The controller has a time constant-determining means (2) for determining a time co...
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WO/1988/000507A1 |
A spindle driver for a machine tool which is adapted to move the spindle and a tool driven thereby in a helical path with variable pitch and with an orbital radius which may be varied. A quill (14) is mounted on a support member (12) and...
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WO/1988/000103A1 |
A rethreading tool (2) for cutting new threads, restoring damaged threads or cleaning dirty or corroded threads, particularly the damaged threads of an internally threaded bore (28) having some damage threads (32) and some undamaged thre...
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WO/1987/005839A1 |
A system for controlling the tapping operation in which the turning of tap is effected by a digital spindle motor (1) in synchronism with the drive of tap in the axial direction by a servo motor (2) for tapping operation of high accuracy...
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WO/1987/005546A1 |
A combination tool for drilling a hole in a workpiece on the inward feed of the tool and for threading the hole during retraction of the tool. The tool comprises a straight body with a drill point (14) at the forward end, a shank (12) at...
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WO/1985/003468A1 |
A tapping method for machining threads of a work piece by moving a tapping tool (4) to a slave position (Pe) in synchronization with the rotation of a spindle, and then inverting the spindle and drawing the tool (4) from the work synchro...
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WO/1984/000511A1 |
A wheel (16) of which the periphery is shaped as a profile which is complementary to that of the threading to be surfaced, is used as a cutter for roller burnishing a helical thread. The wheel (16) is idle mounted in rotation about an ax...
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WO/1983/002741A1 |
For the manufacture of a nut, a piece of plate material which is bent to form a tube (9) can be used. This tube can be placed over a mandrel (8) and clamped together around the mandrel, first by means of a pair of spring-loaded dowels (5...
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WO/1982/002162A1 |
A digitally controlled screw thread cutting device which can start cutting threads from an arbitrary position of rotation of the spindle. This device comprises thread cutting starting position indexing means for comparing the spindle rot...
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WO/1982/001336A1 |
A threading control system for tapping with a numerically controlled machine tool, in which threads formed inaccurately due to the vibration in the feeding caused by the feed motor and irregular threaded hole depth caused by the inertia ...
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WO/1982/000014A1 |
A method of obtaining on a workpiece a resilient screw thread with a closed helical cavity inside its profile comprises plastic deformation of the walls of a preliminarily manufactured screw groove with a depth exceeding that of the toot...
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WO/1981/002267A1 |
The device is adapted both to the cutting and the tapping of pipes and comprises a cutting unit (1) and a tapping unit (2) which are mounted on a common frame (3) supported by a trestle (4). The device may be disassembled in separate ele...
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WO/1981/001672A1 |
The tap comprises a groove-forming stage (1) with a shank (2) carrying a thread-forming stage (3) the pitch of projections of which is equal to the pitch of projections of the groove-forming stage (1), whereas the projections of the thre...
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WO/1980/000807A1 |
Tapping tool used for machining holes as cast in castings. The tool has cutting edges (4a to 4d), a guide portion (3), a tapping portion (2) and a shank (1) extended to the tapping portion. The holes as cast are face-cut and drilled with...
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JP7454204B2 |
To provide a tap that enables removal of an unnecessary region of a female screw formed in a prepared hole.A tap-side attachment part 12 is provided in a protrusion shape on the tip side of a screw part 6. An unnecessary region removal p...
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JP2024037204A |
An object of the present invention is to provide a pipe tap that reduces the cutting torque generated during thread processing without changing the accuracy of the female thread shape of the taper part. [Solution] At least, a biting part...
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JP7450780B2 |
To provide a machine tool that is capable of preventing a long, continuous chip from getting entangled with a workpiece or a cutting tool when a threading work is performed on the workpiece, and a control device of the machine tool. A ma...
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JP7448658B2 |
A control device has a master shaft control unit that controls rotation of a master shaft, a slave shaft control unit that controls feeding of a slave shaft, and a numerical value control unit including a master shaft command unit that o...
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JP7448107B1 |
There is a problem in that if the inserting position or angle of a foreign matter removal tap is misaligned, foreign matter removal becomes insufficient and the function of a female thread cannot be fully demonstrated. Further, there was...
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JP7448533B2 |
It is described a method for reconditioning a damaged thread (8) of a transmission (1) of a hover-capable aircraft; the damaged thread (8) being arranged inside a first hole (23a) of the transmission (1); wherein the method includes the ...
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JP7446745B2 |
To provide a method for machining a screw shaft that can machine the shaft using a general-purpose complex machining machine.A method for machining a screw shaft W of a ball screw uses a complex machine tool 2 that is equipped with a too...
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JP3245969U |
An object of the present invention is to provide a thread cutting machine used in construction work. [Solution] A base 1 is provided, and a slide seat 2 is provided, the slide seat is provided on the base, a second drive gear is provided...
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JP7444793B2 |
A cutting tool body is disclosed, comprising a first member and a second member, both having a substantially cylindrical shape, and arranged such that a tool body central axis coincides with a central axis of each of the first and the se...
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JP7440907B2 |
To provide a technique which can easily machine a female screw to an inner peripheral surface of a through hole of a workpiece from a prescribed thread-cutting start position.A tap tip distance M1, a phase difference θ between a cutting...
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JP7433686B1 |
An object of the present invention is to provide a tapping guide with a small nominal diameter, which can be used with taps with both small and large nominal diameters, can be easily fixed by hand, and has a small nominal diameter. [Solu...
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JP2024016495A |
An object of the present invention is to provide a whirling device that can extend the life of a tool. [Solution] A whirling device 10a includes a chuck 11 that can rotate a rod-shaped workpiece W around a first axis, and a substantially...
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JP7426743B1 |
The present invention provides a thread groove super-finishing device that enables super-finishing of the thread groove of a ball screw nut and has fewer restrictions on the inner diameter of the nut. [Solution] A thread groove super-fin...
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JP7425191B2 |
A tool diagnostic device includes a data acquisition unit configured to acquire, as waveform data, a state quantity of a motor for driving a tool before and after rotation of the tool stops in tapping, a reference waveform generation uni...
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JP2024003874A |
An object of the present invention is to provide a build-up tap that can reduce the collapse of the shape of the top of a rolled female thread. [Solution] A heaping tap 1 includes a male threaded portion 3, a groove, and an inner diamete...
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JP2024004106A |
An object of the present invention is to provide a method for forming a female thread that can suppress the occurrence of burrs in an incompletely threaded portion. [Solution] A method for forming a female thread is to form a female thre...
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JP7413141B2 |
To provide a rolling pressure monitoring device which can properly determine rolling pressure irrespective of a shape of a raw material, and an operation program of the rolling pressure monitoring device.A rolling pressure monitoring dev...
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JP7396140B2 |
To form a male screw part and a female screw part, which screw in each other, by one thread cutting insert.On a side face 4B provided around front and back faces 2, two cutting edge parts 5, which project from the side face 4B when viewe...
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JP2023175593A |
To provide a looseness prevention nut in which a tapered small-diameter part is formed by a biting part of a tap to improve insertion performance of a bolt, and that can secure a fastening force.A looseness prevention nut is a nut in whi...
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JP7396862B2 |
A controller for a machining-device includes a control-unit. The control-unit sequentially repeats a tapping step of tapping at a tapping-position by moving a tool from a retracted-position to a depth-position while rotating the tool in ...
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JP2023172656A |
To provide a surface-coated tool which is excellent in abrasion resistance and adhesion resistance, particularly, a surface-coated cold forming tap.A method for manufacturing a surface-coated tool that includes a base material and a I la...
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JP7391594B2 |
To provide a control device for a machine tool capable of performing thread cutting while reducing the load on the machine tool from the oscillating operation, without extending the cycle time, and capable of reliably shredding chips in ...
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JP7382153B2 |
To provide a tool which has a simple structure and has good work efficiency, and a method having good work efficiency.A tool 2 forms a screw hole in a lying existing piping, and includes a boring member 10 forming a hole in piping P, a t...
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