34results about "Vibratory devices" patented technology

A method of machining a workpiece includes receiving at least one input parameter from an ultrasonic impact grinding system having an ultrasonic vibration tool. The input parameter includes a material property of a workpiece and a tool parameter. A physics-based model is applied to the input parameter and an estimation is made of a vibration amplitude for a power level to be provided to the vibration tool and a particle size for abrasive particles to be used with the vibration tool. The power level is provided to an adaptive profile control for the tool.

A method and apparatus for finishing a surface of a component. The method includes installing the component in an apparatus configured to deliver a flow of abrasives to the surface and to generate cavitation bubbles in a liquid contacting the surface using a cavitation generator that includes an ultrasonic generator configured to generate cavitation bubbles in the liquid contacting the surface by ultrasonic excitation in the liquid or a laser configured to generate cavitation bubbles in the liquid contacting the surface by laser excitation in the liquid; controlling the cavitation generator such that cavitation bubbles are generated to finish the surface by implosion of the cavitation bubbles; and controlling the flow of slurry to the surface so as to finish the surface by abrasion. An apparatus for finishing a surface of a component is also disclosed.

A method (300) of smoothing an inner surface of a tubular wall (232, 262, 264) of a workpiece (136, 224, 236, 260) is disclosed, including immersing (310) the workpiece in a mixture of a liquid and an abrasive and inserting (312) a cavitation peening nozzle (142, 212) into a cavity of the workpiece. The method further includes injecting (314) a cavitating jet from the cavitation peening nozzle into the cavity.

A method is provided for machining a workpiece. During this machining method, an aperture is formed in the workpiece using a machining system. The machining system includes an ultrasonic machining device, a slurry delivery device and a controller. The forming of the aperture includes delivering a slurry to an interface between the ultrasonic machining device and the workpiece using the slurry delivery device, and transmitting ultrasonic vibrations into the slurry using the ultrasonic machining device. A feedback parameter is monitored during the forming of the aperture using the controller. A slurry delivery parameter for the slurry delivery device is adjusted during the forming of the aperture based on the feedback parameter using the controller.

A method is provided for machining a workpiece. During this machining method, an aperture is formed in the workpiece using a machining system. The machining system includes an ultrasonic machining device, a slurry delivery device and a controller. The forming of the aperture includes delivering a slurry to an interface between the ultrasonic machining device and the workpiece using the slurry delivery device, and transmitting ultrasonic vibrations into the slurry using the ultrasonic machining device. A feedback parameter is monitored during the forming of the aperture using the controller. A slurry delivery parameter for the slurry delivery device is adjusted during the forming of the aperture based on the feedback parameter using the controller.

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).

To provide systems, apparatus and methods relating to smoothing interior surfaces using cavitation abrasive surface finishing.SOLUTION: A method includes immersing a workpiece 136 in slurry 126 that is a mixture of a liquid and an abrasive 150, inserting a cavitation peening nozzle 142 into a cavity 138 of the workpiece 136, and injecting a cavitating jet from the cavitation peening nozzle 142 into the cavity 138, thereby smoothing an inner surface 144.SELECTED DRAWING: Figure 1

A tool for ultrasonic impact grinding apparatus driven to vibrate along a longitudinal axis at an applied operating frequency includes a tool body disposed on the longitudinal axis, a first tip extending from an output end of the tool body, and a second tip extending in parallel to the first tip from the output end of the tool body. The first tip has a first length. The second tip has a second length greater than the first length. A mass of the first and second tip is substantially balanced across the output end of the tool body and with respect to the longitudinal axis.

A method of smoothing an inner surface of a tubular wall of a workpiece is disclosed, including immersing the workpiece in a mixture of a liquid and an abrasive and inserting a cavitation peening nozzle into a cavity of the workpiece. The method further includes injecting a cavitating jet from the cavitation peening nozzle into the cavity.

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.

The invention discloses an inner wall impact strengthening system of a hollow spiral extension component and an impact strengthening method of the hollow spiral extension component using the same. The inner wall impact strengthening system includes: a medium tank accommodating an ultrasonic transmission medium; a connection duct connected to each of the hollow spiral extension member and the medium tank, and forming a moving flow path of the ultrasonic transmission medium from the medium tank to the interior of the hollow spiral extension member; a pressure regulator connected to the medium tank and configured to control a flow of the ultrasonic transmission medium by regulating a pressure inside the medium tank; and an ultrasonic generator mounted to the connection pipe and configured to generate ultrasonic waves from an interior of the connection pipe toward an interior of the hollow spiral extension member such that ultrasonic cavitation impact strengthening is performed on an inner wall of the hollow spiral extension member in a state in which the interior of the hollow spiral extension member is filled with an ultrasonic transmission medium.

The method and device for induced formation of solid lubricants includes providing (S10) an article to be treated. The article is exposed (S20) to a process fluid (34) that includes a solvent, an impact medium (20), and a solid lubricant precursor additive. The solvent is a low volatility high flash solvent. The impact medium is a non-abrasive hard particle. The solid lubricant precursor additive is a surface reactive compound that serves as a carrier for at least one of S, P, B, and at least one refractory metal. A velocity difference is created (S30) between the surface (12) of the article and the impact medium. This causes an impact between the impact medium and the article. A solid lubricant material is formed on the surface by a chemical reaction (S40). The chemical reaction includes the solid lubricant precursor and is induced by the energy of the impact. The chemical reaction occurs at the surface of the article.

The invention provides a shot blasting device. According to the shot blasting device, the fatigue strength of a to-be-treated object is improved by applying compressive residual stress to the interior of the to-be-treated object. The device comprises a hollow housing 2 and a vibrating element 3 for vibrating the housing 2. An object to be treated W and a pellet SH are accommodated in the housing 2. Therefore, the vibrating element (3) vibrates the housing (2) in which the object to be treated (W) and the projectile (SH) are accommodated. Thus, the fatigue strength of the object W to be treated is improved by applying compressive residual stress to the inside of the object W to be treated.

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).

The invention provides a multi-pose operation system which comprises a high-pressure power assembly, an abrasive adding assembly, a pulse cavitation abrasive particle jet flow nozzle and a nozzle driving system, the high-pressure power assembly pumps water in a water tank into a water supply pipeline, and the water flows through the abrasive adding assembly after being filtered by a filter; the abrasive adding assembly is used for controlling the amount of abrasive entering the water supply pipeline in unit time. The pulse cavitation abrasive particle jet nozzle comprises a resonant cavity, a water inlet is formed in the side wall of the resonant cavity and connected with a water supply pipeline, one end of the resonant cavity is connected with at least one waveguide tube, the end, away from the resonant cavity, of the waveguide tube is connected with a spraying piece, the outer side of the spraying piece is connected with a spraying head, and the spraying head can conduct jet operation. The nozzle driving system is used for bearing the pulse cavitation abrasive particle jet flow nozzle so as to move the pulse cavitation abrasive particle jet flow nozzle to the surface of the workpiece to be machined. According to the invention, a triple synergistic effect of abrasive cutting, ultrasonic excitation and cavitation impact is formed, so that the jet breaking capacity is obviously enhanced.

The present application relates to sand blasting equipment technical field, specifically disclose a kind of vibration type sand blasting machine, comprising: air vent, air source intake part and first gas outlet are equipped on air vent;Sand blasting tank, sand blasting tank is equipped with containing cavity, sand outlet nozzle, first gas inlet and sand outlet;The first end of sand outlet nozzle is communicated with containing cavity, first gas inlet and sand outlet are all communicated with the second end of sand outlet nozzle;First gas path, one end of first gas path is connected with first gas outlet, the other end is connected with first gas inlet;Vibration device, vibration device is located on first gas path, for vibration adjustment gas in first gas path.The vibration type sand blasting machine can adjust the opening size of sand outlet nozzle and the sustained state of opening, and then realize the regulation of sand discharge size and sand discharge uniformity, without replacing sand outlet nozzle and adjusting air pressure, so that sand discharge size and sand discharge uniformity regulation is more convenient;And also can avoid static electricity jamming condition at sand outlet, so that sand is more smooth.

The invention relates to a system and method for cavitation abrasive finishing of an interior surface, a method of smoothing an interior surface of a tubular wall of a workpiece is disclosed, including immersing the workpiece in a mixture of a liquid and an abrasive, and inserting a cavitation shot nozzle into a cavity of the workpiece. The method further includes projecting a cavitation jet from the cavitation shot nozzle into the cavity.

A shot-peening device capable of improving the fatigue strength of a workpiece by applying compressive residual stress to the inside of the workpiece has a hollow housing and a vibration device for vibrating the housing. The housing stores a workpiece and shot therein. The vibration device vibrates the housing with the workpiece and the shot stored therein. Accordingly, the fatigue strength of the workpiece is improved by applying compressive residual stress to the inside of the workpiece.

Provided is a shot-peening device capable of improving the fatigue strength of a workpiece by applying compressive residual stress to the inside of the workpiece. The shot-peening device comprises: a hollow housing 2; and a vibration means 3 for vibrating the housing 2. The housing 2 stores a workpiece W and shot SH therein. Due to this configuration, the vibration means 3 vibrates the housing 2 with the workpiece W and the shot SH stored therein. Accordingly, the fatigue strength of the workpiece W is improved by applying compressive residual stress to the inside of the workpiece W.

A system for peening an inner surface of a hollow spiral extension member is provided. The system includes a configuration that supplies an ultrasonic transmission medium for ultrasonic cavitation to a peening target region of a target, a medium tank configured to accommodate an ultrasonic transmission medium, and a connection pipe respectively connected to a hollow spiral extension member and the medium tank. The connection pipe can form a movement flow path for the ultrasonic transmission medium from the medium tank into the hollow spiral extension member. A pressure adjuster connected to the medium tank and controls a flow of the ultrasonic transmission medium by adjusting pressure in the medium tank, and an ultrasonic generator in the connection pipe generates ultrasonic waves toward the inside of the hollow spiral extension member in the connection pipe so that the hollow spiral extension member is filled with the ultrasonic transmission medium.

A method of machining a workpiece (23) includes receiving at least one input parameter from an ultrasonic impact grinding system (1100) having an ultrasonic vibration tool (1). The input parameter includes a material property of a workpiece (23) and a tool parameter. A physics-based model (1106) is applied to the input parameter and an estimation is made of a vibration amplitude (208) for a power level to be provided to the vibration tool (1) and a particle size (1108) for abrasive particles (24) to be used with the vibration tool (1). The power level is provided to an adaptive profile control (1150) for the tool (1).

A method for cutting electrode foils and a device for cutting electrode foils that are intended for use in a battery cell are proposed. The cutting devicecomprises a cutting tool, a vibration device for exciting at least the cutting tool to vibration, and a particle feed line for feeding at least particles. The cutting tool can be arranged above the electrode foil with a separation from a surface of the electrode foil, and the electrode foil can be cut at least as a result of the vibrations of the cutting tool that are transmitted to at least one particle.

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 tool for ultrasonic impact grinding apparatus driven to vibrate along a longitudinal axis at an applied operating frequency includes a tool body disposed on the longitudinal axis, a first tip extending from an output end of the tool body, and a second tip extending in parallel to the first tip from the output end of the tool body. The first tip has a first length. The second tip has a second length greater than the first length. A mass of the first and second tip is substantially balanced across the output end of the tool body and with respect to the longitudinal axis.

Equipment for treating a cutting piece is provides which includes an ultrasonic shot peening apparatus arranged for throwing shots on a cutting surface of the cutting piece so the cutting surface defines a cutting surface with shot impacts; and a grinding device arranged for grinding the cutting surface with shot impacts over a chosen thickness so that the cutting surface with the shot impacts defines a treated cutting surface.

A method of treatment of a cutting piece (2) is provided. This method includes a first step in which a cutting surface (5) of this cutting piece (2) is subjected to shots thrown by an ultrasonic shot peening apparatus (10) to become a cutting surface (5) with shot impacts, and a second step in which the cutting surface (5) with shot impacts is grinded over a chosen thickness to become a treated cutting surface (5).

Methods and devices are provided for performing ultrasonic shot peening (USP) on a component of an engine. A USP head unit (300) is configured for performing USP. The USP head unit (300) includes a treatment enclosure (302) containing peening media. USP is performed on the component using the USP head unit (300). The USP head unit (300) also includes a peening block (1202) coupled to the treatment enclosure (302), and a guide window (902) extending from within the treatment enclosure (302), through the peening block (1202) and to the component. Performing USP includes vibrating the peening media within the treatment enclosure (302) and the guide window (902) at an ultrasonic frequency such that the peening media impacts against the component from within the guide window (902).

A method for cutting electrode foils (1) by means of a particle stream (2) is proposed. A cutting device (4) for cutting electrode foils (1) that are intended for use in a battery cell is also specified which comprises at least one nozzle (5) with an outlet (6), one cutting tool (7), one vibration device (8) for exciting at least the cutting tool (7) to vibration (14), one particle feed line (9) for supplying at least particles (13), and one gas feed line (10) for supplying a first gas stream (12), wherein the particles (13) and the first gas stream (12) can be mixed in the cutting device (4) to form a particle stream (2) and fed via the nozzle (5) to the outlet (6), wherein the cutting tool (7) and the outlet (6) can be arranged above the electrode foil (1) with separation (11) from a surface (3) of the electrode foil (1), and wherein the electrode foil (1) can be cut at least as a result of the particle stream (2) and the vibrations (14) of the cutting tool (7).

A device for treating a metal part having an outer surface, includes a chamber, a vibration module including: a generator for generating an electric signal at ultrasonic frequency, a converter for converting the electric signal into a mechanical vibration, the mechanical vibration being transmitted to a sonotrode, the sonotrode positioned in the chamber facing the outer surface of the metal part, projectiles positioned inside the chamber for impacting against the outer surface of the metal part, the projectiles being moved by the vibration of the sonotrode and including a plurality of abrasive media which, when moved by the vibration of the sonotrode, introduce residual compressive stresses and improve the surface condition of the metal part.

Systems and methods are disclosed for removing unwanted material from additively manufactured parts through the application of vibration and / or acoustic energy. The systems and methods include a vibration platform disposed within a chamber. An additively manufactured part having unwanted material attached thereto is placed on the vibration platform. The platform is vibrated, thereby detaching the unwanted material from the part. The systems and methods can also include applying acoustic energy to detach the unwanted material from the part. Advantageously, the unwanted material removed from the additively manufactured part is recyclable.