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JP2024001508A |
The present invention provides a surface texture estimating device that can improve the durability of an acceleration sensor. [Solution] A surface texture estimating device 2 includes a sizing device 3 that measures the diameter of a gri...
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JP2023182220A |
To provide a production system which can reduce a processing cost regardless of variation of workpieces.A data processing apparatus 7 constituting a production system 1 determines start positions X2 and X12 of an idle running operation S...
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JP2023179328A |
To provide a grinding stone upper slip detection method and device which can correctly detect the occurrence of upper slip of a grinding stone by using an AE signal being the vibration generated due to crushing of abrasive grains and a v...
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JP2023176891A |
To provide a grinding device comprising a valve which adjusts flow volume of grinding liquid according to grinding resistance.A grinding device comprises: a workpiece support portion which supports a workpiece rotatably around an axis; a...
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JP7395973B2 |
To provide a grinding device that can be suppressed from deterioration in processing accuracy due to influence of variation of an outer diameter of an object to be ground during grinding.A grinding device 1 comprises a grinding wheel hea...
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JP2023173377A |
To provide a cylindrical grinder which can suppress occurrence of breakage of an end part of a crystal rod and mechanical misalignment of a support unit, can reduce a required process time, and can reduce the need for maintenance of a pa...
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JP2023174510A |
To provide a crank shaft having excellent fatigue strength.A crank shaft 10 comprising a mechanical structure steel material includes a circular column-shaped sliding part 121, a fillet part 122 and a thrust part 123. The thrust part 123...
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JP2023172031A |
To provide a grinding device that can improve circularity of a work-piece even if the circularity of the work-piece is deteriorated during griding of the work-piece with a grindstone.The grinding device comprises a work-piece support par...
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JP7391476B2 |
A grinding method includes an oblique grinding step of rotating a grinding wheel about the central axis of a second shaft, tilting the second shaft to a first shaft of a rotatable chuck table such that the bottom of a first portion of th...
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JP7390756B1 |
[Problem] To facilitate the work of hollowing out the tip of a wooden bat and to improve safety. [Solution] The wooden bat processing device P rotatably supports the grip end GE of the wooden bat WB, and includes a rotating part 10 that ...
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JP7388528B2 |
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JP7386047B2 |
To provide a grinding machine that can grind an object to be ground with high processing accuracy even when accelerating a speed of feeding the object to be ground, and a core material manufacturing method.A grinding machine 1, which ope...
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JP7386048B2 |
To provide a grinding machine that can grind an object to be ground with high processing accuracy, and a core material manufacturing method.A grinding machine 1, which grinds an object B to be ground in a longitudinal shape, comprises: a...
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JP7383994B2 |
To provide a chatter evaluation system that evaluates amounts of chatter of a surface of a work-piece with good accuracy, in an in-process for grinding.A chatter evaluation system 1 according to the present invention comprises: a sizing ...
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JP7384079B2 |
A displacement driving unit and a rotation driving unit move a loading member supported by a loading member supporting mechanism after the loading member is placed in a workpiece withdrawn state from a workpiece set state and before the ...
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JP7382805B2 |
To suppress deflection and bending of a wire that polishes or grinds an inner diameter of a hollow work-piece when the wire separates from the work-piece, so as to reduce difficulties in operation of inserting the wire into the inner dia...
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JP7380119B2 |
To provide a chatter evaluation system that evaluates amounts of chatter of a surface of a work-piece with good accuracy, in an in-process of grinding.A chatter evaluation system 1 comprises: an axial directional movement calculation dev...
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JP7381633B2 |
To enable polishing an outer circumferential surface of a rotor having high concentricity with the outer circumferential surface of the rotor and the outer circumferential surface of the shaft, enable suppressing vibration of the rotor w...
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JP7380107B2 |
To provide a quality prediction system that is superb in versatility.A quality prediction system 1 includes a model production unit 73 that regards as an explanatory variable a feature quantity of condition data detected by a first detec...
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JP2023162663A |
To provide a technique that can process a work-piece with high accuracy even with a grindstone just after subjected to a truing process.A grinding device comprises: a work-piece support part that supports a work-piece rotatably around an...
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JP2023547226A |
A method for controlling and/or monitoring a workpiece machining process is disclosed. In a workpiece machining process, a tool is brought into contact with its working surface against the surface of the workpiece to be machined. To this...
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JP7375477B2 |
To provide a grinding device and a grinding method, allowing for improvement of accuracy of determining grinding burn in a workpiece.A grinding device 100 comprises: a grindstone 2 grinding a workpiece 80; an electric motor 3 for a grind...
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JP2023161766A |
To provide a technique that can suppress elongation of a shaft grinding time.A grinding method comprises a process in which a reference journal is rotated around a rotation axis so as to decenter a reference center axis of the reference ...
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JP7373940B2 |
A wafer processing method includes preparing a holding table having a blade clearance portion formed therein so as to correspond to a notch of a wafer, holding the wafer by the holding table so as to make the notch of the wafer correspon...
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JP2023160878A |
To provide an efficient manufacturing method that suppresses the occurrence of cracks and chips, and an inductance element using such a tapered ferrite core.A tapered ferrite core for an inductance element has a cylindrical shape with a ...
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JP2023158578A |
To provide a grinding system capable of highly accurately setting adjustment of grinding conditions for preventing grinding-burn from remaining.A grinding system 1 grinds a work-piece W into a final target shape by grinding a surface of ...
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JP2023158577A |
To provide a grinding system that can accurately evaluate grinding burn on a surface of a ground work-piece, even when the work-piece has variation in material.A grinding system 1 comprises an eddy current sensor 20 which is arranged in ...
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JP2023157268A |
To provide a surface texture measurement device which can achieve improvement of accuracy of estimation of a surface texture.A surface texture measurement device 20 measures a surface texture of a workpiece W ground by an abrasive wheel ...
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JP3244267U |
An object of the present invention is to provide a turbine valve stem bush polishing device that makes polishing more uniform, improves the effect, and avoids affecting product quality due to non-uniform polishing. A turbine valve stem b...
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JP7363393B2 |
To provide a grinding device that can be suppressed from deterioration in processing accuracy, even when wear and deformation occur in a contact maker of a rest device.A grinding device 1 comprises: a grinding wheel head 3 which is mount...
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JP2023150900A |
To provide a grinding system which can exactly detect a grinding burn depth which remains on a surface of a ground workpiece.A grinding system calculates a current grinding burn depth A (A1, A2), and calculates a position moved to a refe...
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JP2023145630A |
To ensure trimming of the edge of a wafer periphery by an appropriate amount similar to a target machining amount in a laminated wafer formed by laminating two wafers substantially similar in shape.In a laminated wafer, a bond wafer is s...
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JP2023138881A |
To provide a contact dynamic stiffness calculation system that is capable of calculating contact dynamic stiffness with high accuracy by taking into account contact states between a workpiece and workpiece support members.A contact dynam...
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JP2023138275A |
To provide an internal grinder maintenance method which appropriately determines grind stone replacement timing.An internal grinder maintenance method includes: a process in which a driving current of a motor for moving a rotating grind ...
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JP7352376B2 |
To form a spigot in a pipe such as an FRPM pipe or an FRP pipe with high accuracy and in a short time even by an inexperienced person.An average outer diameter φ10 of a pipe 10 is measured by a first laser measuring device 21 while the ...
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JP7351183B2 |
To provide a grinding device that can accurately detect a supplied state of a coolant.A grinding device 100 comprises: a grindstone 2 grinding a workpiece 80; an electric motor 3 for a grindstone which rotationally drives the grindstone ...
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JP7349901B2 |
To provide a grinding apparatus which can easily confirm the diameter of a recess.A grinding apparatus 1 includes: a chuck table 10; a rough grinding unit 30 which grinds a wafer 100 held by the chuck table 10 with a grinding wheel 33 so...
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JP2023127382A |
To provide a grinder design assistance device capable of reducing a burden on a designer when a grinder is designed.A grinder design assistance device 6 for assisting designing of a grinder 1 that grinds, by a grindstone 5, workpieces 7,...
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JP2023537587A |
Abrasive tool kits, equipment and methods are provided for bearing roller finishing of bearing rollers. The equipment includes a main body, an external circulation system, a polishing tool kit, and a fixture of the polishing tool kit. Th...
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JP7334483B2 |
To provide a treatment device and a treatment method of the outer peripheral surface of a porous support for forming a zeolite membrane capable of uniformly rubbing the outer peripheral surface of the porous support attached to a zeolite...
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JP7332077B1 |
Provided are a roll grinder abnormal vibration prediction method and a roll grinder abnormal vibration prediction apparatus capable of predicting abnormal vibration of a roll grinder corresponding to the natural frequency of the entire m...
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JP7331258B2 |
The present invention discloses a planogrinder including a measuring device, wherein the measuring device can move along the X-axis direction, an optical probe is provided at one end of the measuring device close to a bed base, and the o...
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JP7328932B2 |
The invention relates to a centerless cylindrical grinding machine (100) for throughfeed and plunge grinding of arbitrary workpieces comprising a first drivable positioning axis XS for a grinding headstock (10) with a grinding wheel (11)...
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JP7326843B2 |
To provide a grinding method and a grinder that are able to perform highly accurate grinding by eliminating the influence of a thickness change of a grindstone layer in a grindstone wheel.A grinder 1 performs: a thickness detection step ...
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JP2023108668A |
To provide a grinding device that can effectively utilize grinding wheel accompanying air stream, in generating electric power.A grinding device 1 grinds a work-piece 8, by rotating a grinding wheel 31 with respect to the work-piece 8. T...
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JP2023106812A |
To provide a processing method for a bonded wafer capable of preventing dimples from being formed on a rear face of a wafer and/or this wafer from being damaged when cutting the wafer in a state where a bonded wafer is held by sucking th...
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JP7319322B2 |
To provide a method of polishing rotary shaft of rotor capable of polishing an immersed outer circumferential surface by means of an approximately triangular immersed polishing part formed on an intermediate detour portion of a polishing...
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JP7316665B2 |
To eliminate the need for alignment on a grinder, by carrying out the alignment of the eccentric part of an eccentric work piece outside a machine other than the chuck of the grinder and transferring the eccentric work, aligned outside t...
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JP7315973B2 |
To provide a roller holding method in a device which performs polishing and so on of a work-piece surface with a circular cross section by a centerless polishing device or the like, and a roller holding device (roller support).A holding ...
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JP7315029B2 |
The device for assessing the success/failure of grinding of a rolling roll according to the present invention comprises a vibrometer data acquisition unit that acquires vibrometer data from when a rolling roll is ground using a roll grin...
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