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JP4977614B2 |
The replacement hip socket (17) has a thread on its outside. The inner surface of each thread (20 - 24) remains parallel to the lip of the socket while the angle of the outer edge increases with distance from the lip. An independent clai...
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JP4977192B2 |
A tapping method for performing a tapping process in a punch press includes engaging a front end of a tap provided at a tapping tool attached to a rotating mold indexing device rotatably provided at the punch press with a prepared hole f...
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JP2012125857A |
To provide a side-through type tap with high versatility which effectively increases an effective slot area of a side-through slot in a square portion to allow internally supplied coolant of a sufficient amount to be supplied/infiltrated...
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JP4947635B2 |
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JP4943129B2 |
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JP2012511437A |
A method of making cutting tool inserts with high demands on dimensional accuracy includes: mixing by milling of powders forming hard constituents and binder phase, forming the powder mixture to bodies of desired shape, sintering the for...
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JP2012096309A |
To provide a tapping device capable of removing chips adhering to a tapping body, giving lubricity to the tapping body and suppressing the consumption of a lubricant to the minimum.The tapping device includes: a tool unit having the tapp...
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JP2012076190A |
To attain continuous operation of preparation hole boring process by drilling and screw cutting by tapping by using a tapping drill having integrated drill and tap.A joint 3 is provided at a normal shank of a drill 1 to join with a tap 4...
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JP2012061577A |
To provide a cutting tap which can stably form highly accurate internal threads.The cutting tap includes: a leading part 1 comprising a plurality of screw threads 10 formed so that an outer diameter gradually becomes smaller toward the a...
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JPWO2010049989A1 |
The spiral tap 10 has a shape in which the thread of the male thread at the bite portion 16b is a linear cut of the outer peripheral side portion of the thread having the same dimensions as the complete thread portion 16a in the cross se...
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JP2012051088A |
To provide a tapping unit that highly efficiently and stably machines a female thread with higher accuracy than before.The tapping unit includes: a first transmission mechanism for transmitting each of the normal and reverse rotation for...
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JP2012047329A |
To improve processing accuracy so that a moving distance caused by rotation can exactly be progressed by fining a pitch of a screw and making it high in accuracy when rotating a fine feed screw or a nut, and so that the pitch of the scre...
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JP2012505758A |
A method of making a cutting tap includes the steps of: grinding a blank to form a threaded body portion at an axially forward end of the cutting tap, grinding one or more flutes in the threaded body portion to form cutting edges; grindi...
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JP4892221B2 |
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JP4888880B2 |
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JP4883422B2 |
The production history information management apparatus 100 comprises machining means 1 for machining an identifier for identifying a pipe or tube in a region of the pipe or tube on which thread cutting is to be performed before an initi...
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JP2012024925A |
To provide a rotating cutting insert assembly capable of enhancing tool performance, and to provide a method for using the same.The assembly includes: a cutting insert composed of a body, having a center axis extending through the inside...
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JP4872305B2 |
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JP2012502806A |
The invention relates to a rotary or fixed cutting tool for machining elements made of a hard and/or abrasive material, said tool comprising at least one active portion having hardness and/or abrasion properties higher than that of the m...
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JP4865278B2 |
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JP4863391B2 |
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JP2012011491A |
To provide a drill/tap working device facilitating quick exchange of a tool such as a drill or a tap and capable of preventing breakage of the tool during working.The tool unit 3 includes a tool holder 21 in which a hollow hole 21a is fo...
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JP2012006113A |
To provide a drilling and tapping device preventing breakage of a tool such as a drill, tap and the like, and surely performing drilling, working a female thread, or pulling out the tool after working.The drilling and tapping device incl...
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JP4836385B2 |
A thread milling tool includes a proximal shank portion and a distal cutting portion. The cutting portion includes at least one thread milling tooth and at least one flute oriented helically, or spirally, about a rotational axis of the t...
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JP2011245567A |
To provide a screw turning method for machining screw grooves having different lead angles by turning in a short time, without using ordinary tools for preparation.A composite machining lathe 1 controls movements of a support base 3, a s...
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JP4822403B2 |
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JP4822595B2 |
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JP2011224728A |
To provide a machining method capable of avoiding interference of a skid and a tap and performing tapping machining, and to provide a workpiece supporting device and a compound machine.The machining method for performing machining for wo...
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JP4813087B2 |
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JP4806842B2 |
The invention provides a chasing tool for repairing damaged internal threads, including a body (2) provided with a bore (4); a handle (6) retained in the bore (4) with one degree of freedom in rotation, the handle (6) being provided over...
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JP2011526667A |
A lead-in type interference fit pipeline external thread (10), it is able to achieve its seal while non-use of packing, in which the effective thread is a cone-shape pipe thread, at least two complete variation convex thread (11) is in f...
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JP4789427B2 |
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JP4787534B2 |
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JP4787533B2 |
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JP4786828B2 |
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JP4765533B2 |
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JP2011167781A |
To provide a spiral tap with an end mill blade, capable of improving efficiency of formation work of a hole by prolonging its service life.Bottom blades 11 are arranged at the tip surface 2 of the tool body 7 of the spiral tap 1 with the...
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JP4763862B2 |
A screw manufacturing method by thread whirling machining and others are provided which can solve problems due to thread rolling and cutting and which inhibits moving paths of inserts from interfering with a curved line of a desired scre...
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JP2011161579A |
To provide a cutting tap which reduces the surface roughness of a flank of a female screw formed on a workpiece.The flanks of a female screw formed by the cutting edge of a leading part 21 are positioned on the axis O side of flanks on b...
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JP4749425B2 |
A tubular connection and methods of manufacturing a box member. The tubular connection includes a box member that includes an internal thread and a pin member that includes an external thread. The external thread is adapted to threadedly...
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JP2011148044A |
To provide a thread forming tap for a thin material capable of forming a thread on the thin material with high tightening torque assured.In the thread forming tap for a thin material for forming a thread on a thin material as thin as a t...
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JP4741553B2 |
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JP4741497B2 |
Before the second end is machined, the first end is fully screwed into a calibrator to make a guide mark. Preliminary tests allow the starting point for machining the second element to be defined as a function of the offset from the guid...
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JP2011125998A |
To provide a thread cutting device allowing easy and quick replacement of a thread cutting ring.This thread cutting device 1 is equipped with: a hollow spindle 11 which is rotatably supported and is driven; and the thread cutting ring 3 ...
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JP4711605B2 |
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JP4709588B2 |
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JP4703149B2 |
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JP2011110626A |
To provide a female screw machining device which accurately and stably performs the finishing processing of small diameter female screws for mass production.This female screw machining device includes a rotational driving part 6 for rota...
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JP4697565B2 |
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JP4692904B2 |
Disclosed is a master spindle for tapping machine. The master spindle comprises a chuck ( 53 ) having a tap ( 51 ) detachably mounted thereto; a chuck support member ( 55 ) having the chuck ( 53 ) mounted thereto; a spindle bolt ( 57 ) f...
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