171results about "Burnishing machines" patented technology

The invention discloses a high-precision ball screw nut grinding device, which belongs to the technical field of grinding machining and comprises a base and a multi-point positioning clamping module. According to the device, the grinding assembly and the thread cutting assembly are arranged in a matched mode, two sets of grinding structures are adopted to grind the nut, compared with a traditional grinding structure, the contact area between the two sets of grinding structures and the surface of the nut is greatly reduced, multi-point contact grinding is adopted, and the grinding efficiency is greatly improved under the condition that grinding is not affected. Heat generated by materials during nut grinding can be greatly reduced, cooling liquid does not need to be used for real-time cooling, the cleanliness in a cabin is greatly improved, meanwhile, synchronous cutting of internal threads of the nut can be achieved in the process of external grinding of the nut, subsequent additional machining procedures are not needed, and the machining efficiency is improved. The nut machining efficiency is improved, the grinding thickness can be accurately controlled according to requirements during machining, and the actual application effect of equipment is improved.

A system for deep rolling a workpiece including a roller tool comprising an adaptor plate proximate an adapter end; an arm attached to the adaptor plate, the arm comprising an adapter end proximate the adaptor plate, the arm comprising a roller end opposite the adapter end, the arm comprising a midspan portion between the adapter end and the roller end, an offset formed in the arm configured to prevent contact with the workpiece; a roller disk joined to the roller end, the roller disk configured to contact the workpiece; and a fixture supporting the workpiece.

The present invention improves the sealability of a fluid control valve, and includes a valve seat having a flat valve seat surface and a valve plug having a flat sitting surface sitting on the valve seat surface. A first surface that is one of the valve seat surface and the sitting surface has a surface hardness higher than a surface hardness of a second surface that is the other one of the valve seat surface and the sitting surface.

The invention relates to a machining tool and to a surface finishing process using the DL method, said tool comprising a ceramic-metal composite material having a homogeneous surface polishing. In some embodiments, the machining tool demonstrates, after polishing, a compressive tension of less than -500 MPa or equal to or greater than 40% of the compressive stresses generated during the grinding process. In some embodiments of the invention, the machining tool has a homogeneous surface polishing along the cutting edge, i.e. a perfect planarity between the metal elements and the ceramic elements of the tool, in such a way that the roughness of the cutting edge of the tool is of the submicrometric order. In some cases, the machining tool has a change in roughness between the cutting edge and the faces adjacent to the cutting edge along the homogeneous or regular cutting edge of the tool.

This invention relates to machining tools and surface finishing methods using the DL (deep-drilling) method, the tools comprising ceramic-metal composites with uniformly polished surfaces. In some embodiments, the machining tool exhibits compressive stress less than -500 MPa after polishing, or equal to or greater than 40% of the compressive stress generated during the grinding process. In some embodiments of the invention, the machining tool has a uniformly polished surface along the cutting edge, i.e., perfect flatness between the metal and ceramic components of the tool, such that the roughness of the cutting edge is in the sub-micron range. In some cases, the machining tool has a roughness variation along the cutting edge and adjacent surfaces along the tool's uniform or regular cutting edge.

A system for mechanical surface treating a component includes a tool and a manipulator. The tool includes a roller support, a spherical roller and a biasing device. The roller support includes an endwall, a port and an internal cavity. The roller support extends longitudinally along a longitudinal axis to the endwall. The port extends from the internal cavity through the endwall. The spherical roller is nested in the port with an exposed portion of the spherical roller projecting out of the roller support from the port. The exposed portion of the spherical roller is configured to contact a surface of the component. The biasing device is disposed in the internal cavity and biases the spherical roller against the endwall. The manipulator may move the tool along the surface of the component. The manipulator may apply a static pressure load against the surface of the component through the spherical roller.

Device (10, 10') for transmitting a striking motion of a striking element (60) in a first striking direction (B1) to a tool (20, 20') which is movable in at least one second striking direction (B2, R1, R2) deviating from the first, wherein the transmission of the striking motion is effected by means of a movable, in particular rotatably mounted, striking force deflection element (30, 30'), wherein the striking force deflection element (30, 30') has two stop surfaces (31, 32, 31', 32'), wherein one stop surface (31, 31') is assigned to the striking element (30) and the other stop surface (32, 32') to the tool (20, 20'), wherein the tool plunger (20, 21') is movable in the second striking direction (B2, R1, R2) against the action of an elastic element, characterized in that that the tool plunger (21) comprises a piston section (27) which is axially displaceable within a device housing (11) and into which the impact force deflection element (30) engages,wherein the piston section (27) has a lateral recess (29) into which the impact force deflection element (30) dips such that the stop surface (32) of the impact force deflection element (30) associated with the tool (20) or tool plunger (21) interacts with the limiting surface (38) of the lateral recess (29) facing the tool plunger (21).

Provided is a polishing composition which, in a composition containing a cellulose derivative, can maintain low haze and has excellent defect reduction properties. The present invention can provide a polishing composition containing a cellulose derivative and a basic compound. The weight-average molecular weight (Mw) of the cellulose derivative is less than 80,000.

A system for deep rolling a workpiece including a roller tool comprising an adaptor plate proximate an adapter end; an arm attached to the adaptor plate, the arm comprising an adapter end proximate the adaptor plate, the arm comprising a roller end opposite the adapter end, the arm comprising a midspan portion between the adapter end and the roller end; and a roller disk joined to the roller end, the roller disk including a surface feature configured to contact the workpiece and imprint a surface texture on a workpiece surface.

The present invention provides an adjustment device and processing device capable of regulating the movement of a second plate relative to a first plate and the movement of a third plate relative to the second plate. An alignment stage 10, which constitutes the adjustment device, is provided with: a first plate 20 having a first concave surface 21 which extends in a first direction X; a second plate 30 having a first convex surface 31 and a second concave surface 32 which extends in a second direction Y; a third plate 40 having a second convex surface 41; a plurality of first biasing means for connecting the second plate 30 and the first plate 20 to each other; and a plurality of second biasing means for connecting the third plate 40 and the second plate 30 to each other; wherein at least one of the plurality of first biasing means and the plurality of second biasing means are leaf springs 60.

The present invention improves the sealability of a fluid control valve, and includes a valve seat having a flat valve seat surface and a valve plug having a flat sitting surface sitting on the valve seat surface. A first surface that is one of the valve seat surface and the sitting surface has a surface hardness higher than a surface hardness of a second surface that is the other one of the valve seat surface and the sitting surface.

Systems and methods for controlled vibratory peening are provided. The system includes a tub having a cavity configured to receive peening media, the cavity having a substantially horizontal bottom surface. A first vibration member and a second vibration member are connected to the tub, the first vibration member and the second vibration member being eccentrically weighted. A drive system is configured to rotate the first vibration member in a first rotational direction and configured to rotate the second vibration member in a second rotational direction opposite the first rotational direction. A component positioning member is configured to position a component in the cavity.

A tire pre-conditioning system for conditioning a bead of a tire includes a burnisher and a controller. The burnisher is attached to a shaft. The controller is in communication with at least one of the burnisher or the tire. The controller is configured to move one of the burnisher or the tire until the burnisher is opposing the bead of the tire. The controller is also configured to supply pressurized fluid into an internal cavity of the tire to cause the bead to contact the burnisher to burnish the bead of the tire.

To provide an adjustment device capable of restricting movement of a second plate with respect to a first plate and movement of a third plate with respect to the second plate, and a machining device.SOLUTION: An alignment stage 10 which is an adjustment device comprises: a first plate 20 having a first concave surface 21 extending in a first direction Y; a second plate 30 having a first convex surface 31 and a second concave surface 32 extending in a second direction X; a third plate 40 having a second convex surface 41; a plurality of first biasing means for connecting the second plate 30 and the first plate 20 to each other; and a plurality of second biasing means for connecting the third plate 40 and the second plate 30 to each other. At least one of the first and second biasing means is a leaf spring 60.SELECTED DRAWING: Figure 2

A processing method according to one aspect incudes preparing a metal workpiece having a hole that opens to a surface thereof, filling the hole with processing media, and applying an external force to the processing media to apply a compressive residual stress to an inner surface of the hole.

The present disclosure discloses a system for peening an inner surface of a hollow spiral extension member (E), the system including a configuration that supplies an ultrasonic transmission medium (M) for ultrasonic cavitation to a peening target region of a target. The system for peening an inner surface includes a medium tank (110) configured to accommodate an ultrasonic transmission medium (M), a connection pipe (120) respectively connected to a hollow spiral extension member (E) and the medium tank (110), the connection pipe (120) being configured to form a movement flow path for the ultrasonic transmission medium (M) from the medium tank (110) into the hollow spiral extension member (E), a pressure adjuster (130) connected to the medium tank (110) and configured to control a flow of the ultrasonic transmission medium (M) by adjusting pressure in the medium tank (110), and an ultrasonic generator (140) installed in the connection pipe (120) and configured to generate ultrasonic waves toward the inside of the hollow spiral extension member (E) in the connection pipe (120) so that ultrasonic cavitation peening is performed on an inner surface of the hollow spiral extension member (E) in a state in which the inside of the hollow spiral extension member (E) is filled with the ultrasonic transmission medium (M).

Provided is a surface treatment member 1 used by being mounted on a rotary member in a surface treatment system including the rotary member. The surface treatment member 1 includes: a base 10; a striking member 40 having an annular body portion and a protruding portion that protrudes from the body portion; and a shaft member 50 disposed in a region on an inner side of the body portion. When the surface treatment member 1 is viewed along an imaginary axis A about which the base 10 is to be rotated, a portion of the striking member 40 is exposed outside an outer periphery of the base 10 by a centrifugal force when the surface treatment member 1 is rotated, and an entirety of the striking member 40 is retractable toward inside an imaginary circle that passes over an outermost periphery of the base 10 about the imaginary axis A after the striking member 40 impinges on a surface treatment object. According to the surface treatment member 1 of the present invention, by using the surface treatment member 1 in the surface treatment system that includes the rotary member, it is possible to increase the adhesiveness of a paint when the surface preparation is performed, and the surface preparation can be performed easily.

To burnish a workpiece with high precision even if the workpiece has a concave portion.SOLUTION: A roller burnishing tool 10 includes a plurality of rollers 16 arranged so that when rotated about a rotation axis X, contact points in contact with a workpiece 20, of the rollers draw the same locus. The plurality of rollers 16 are configured such that at least one of positions of other rollers 16 when one roller 16 is at a predetermined position is different from positions of other rollers 16 when one of the other rollers 16 is at a predetermined position. Specifically, the plurality of rollers 16 are arranged such that an angle formed by two lines extending from the contact point of one pair of rollers 16 toward the rotation axis X among a plurality of adjacent pairs of the rollers 16 is different from that of the other pair of rollers 16.SELECTED DRAWING: Figure 7

A tire pre-conditioning system includes a first mandrel, a second mandrel spaced apart from the first mandrel, and a controller in communication with the first mandrel and the second mandrel. The first mandrel is fixedly attached to a first shaft and including a first tapered sidewall. The second mandrel is fixedly attached to a second shaft and including a second tapered sidewall. The controller is operable to axially move the first mandrel and the second mandrel toward one another until the first and second tapered sidewalls are opposing respective beads of a tire, and supply pressurized fluid into an internal cavity of the tire to inflate the tire. The inflating causing the beads to move relative to mandrels while contacting the opposing respective tapered sidewalls to burnish the beads of the tire.

A system for deep rolling a workpiece including a roller tool comprising an adaptor plate proximate an adapter end; an arm attached to the adaptor plate, the arm comprising an adapter end proximate the adaptor plate, the arm comprising a roller end opposite the adapter end, the arm comprising a midspan portion between the adapter end and the roller end; a roller disk support attached to the roller end, the roller disk support comprising a pair of forks; a roller disk joined to the pair of forks, the roller disk configured to contact the workpiece; and a fixture supporting the workpiece.

The invention relates to a machining tool and to a surface finishing process using the DL method, said tool comprising a ceramic-metal composite material having a homogeneous surface polishing. In some embodiments, the machining tool demonstrates, after polishing, a compressive tension of less than -500 MPa or equal to or greater than 40% of the compressive stresses generated during the grinding process. In some embodiments of the invention, the machining tool has a homogeneous surface polishing along the cutting edge, i.e. a perfect planarity between the metal elements and the ceramic elements of the tool, in such a way that the roughness of the cutting edge of the tool is of the submicrometric order. In some cases, the machining tool has a change in roughness between the cutting edge and the faces adjacent to the cutting edge along the homogeneous or regular cutting edge of the tool.

A multi-axis deep rolling tool for deep rolling a workpiece including a roller tool comprising an adaptor plate; a multi-axis measurement unit attached to the adaptor plate; an arm mount attached to the multi-axis measurement unit; an arm attached to the arm mount, the arm comprising an adapter end proximate the arm mount, the arm comprising a roller end opposite the adapter end; a cartridge assembly attached to the arm proximate the roller end, the cartridge assembly including a rolling element insertable within the cartridge assembly, the rolling element configured to contact the workpiece.

The embodiment of the invention discloses a surface strengthening method and equipment for an inner hole and a mating part of a hydraulic cylinder body and a medium, belongs to the technical field of ultrasonic rolling, and solves the problem that a single surface strengthening technology in the prior art cannot meet harsh working condition requirements. Comprising the following steps: nitriding an inner hole of the hydraulic cylinder body and a mating part, and carrying out data monitoring on nitriding process parameters and nitriding layer quality parameters; the monitored parameters are analyzed, and the analysis result is cooperatively adjusted based on the structural characteristics of the inner hole of the hydraulic cylinder body and the matching part, so that reference ultrasonic rolling process parameters are obtained; based on the reference ultrasonic rolling process parameters, ultrasonic surface rolling equipment is controlled to carry out surface strengthening treatment on the inner hole of the hydraulic cylinder body and the mating part; and feedback adjustment is conducted on the reference ultrasonic rolling process parameters based on the surface strengthening treatment data, so that ultrasonic surface rolling equipment is controlled to construct strengthening layers on the surfaces of the inner hole of the hydraulic cylinder body and the mating part based on the parameters subjected to feedback adjustment.

Improving the stability of rolling machine parts performance [Solution] The burnishing processing device 400 processes a workpiece having a track forming surface 401 on which the track of a spherical rolling element 130 is formed, and is equipped with a roller 410 having a rotation axis 402 in a direction perpendicular to the extension direction of the track and pressed against the track forming surface 401 to plastically deform the workpiece, and the roller 410, in a cross section including the rotation axis 402, has a convex arc-shaped portion 411 which is part of an imaginary circle which is the same as or nearly the same as the cross-sectional circle passing through the center of the spherical rolling element 130, and escape portions 412 extending from both ends of the convex arc-shaped portion 411 so as to move away from the convex arc-shaped portion 411 along the imaginary circle and move away from the imaginary circle as they move away from the convex arc-shaped portion 411.

A method and a device for induced formation of solid lubricant comprises providing (S10) of an article (10) to be processed. The article is exposed (S20) to a process fluid (34) comprising a solvent, impact media (20) and additives of solid-lubricant precursor substances. The solvent is a low-volatile high-flash solvent. The impact media are non-abrasive hard particles. The additives of solid-lubricant precursor substances are surface-reactive compounds serving as carriers of at least one of S, P, B and of at least one refractory metal. A velocity difference between surfaces (12) of the article and the impact media is created (S30). This causes impacts between the impact media and the article. Solid lubricant substances are formed (S40) on the surfaces by chemical reactions. The chemical reactions comprise the solid-lubricant precursor substances and are induced by the energy of the impacts. The chemical reactions take place at the surfaces of the article.

A linear reluctance actor is provided comprising a stator supporting at least one coil and a rotor. The coil is designed as a bifilar winding and the linear actor includes at least one resetting element allowing the rotor to be brought into a predefined initial position after a stroke movement.

The pending invention relates to means for repairing female threads. The claimed thread repairing tool (1) for repairing a female thread (2) being damaged comprises the case (3), the first beam (4), the second beam (5), the forming roller (6) rotatably and movably installed on the first beam (4), the pitch profile means (7) installed on the second beam (5), and the adjusting means for providing reciprocal moving to and apart from each other and fixing the first beam (4) and the second beam (5). The invention provides a universal robust tool for repairing female threads allowing adjustment thereof to a diameter of the thread being repaired while applying substantially rolling of the material the thread is made of but not cutting thereof.