Disclosed is an ultrasonic cutting method employing a straight-blade sharp knife and an application thereof. The ultrasonic cutting method employing a straight-blade sharp knife comprises the following steps: S1, measuring parameters of the straight-blade sharp knife; S2, the straight-blade sharp knife initially rotating around a knife shaft thereof, thus enabling a rear knife surface of the straight-blade sharp knife to fit to or be away from a processed surface, and performing ultrasonic vibration cutting on a material according to a processing track; S3, performing quality detection on the processed material surface obtained by the ultrasonic vibration cutting, completing processing if the surface passes the detection, and performing step S4 if the surface does not pass the detection; and S4, further increasing the amount of rotation of the straight-blade sharp knife during initial rotation around the knife shaft thereof, performing ultrasonic vibration cutting on the material according to the processing track, and performing step S3. The described method may effectively reduce extrusion on the processed surface by the rear knife surface of the straight-blade sharp knife and improve surface processing quality of the material.

Ultrasonic cutting method employing straight-blade sharp knife and application thereof

The invention provides an ultrasonic transducer for performing viscosity reduction on viscous crude. The ultrasonic transducer comprises a first oscillator, a first amplitude change rod and a second amplitude change rod, wherein the first oscillator is a half-wave length oscillator, and comprises a first rear cover plate, a first piezoelectric ceramic crystal heap and a second piezoelectric ceramic crystal heap; a first nodal surface is formed at a joint of the first piezoelectric ceramic crystal heap and the second piezoelectric ceramic crystal heap; the vibration velocity of an oscillator atthe first nodal surface is zero; the first amplitude change rod is a half-wave length three stage type amplitude change rod, and comprises a first front cover plate, a first transition section part and a first cylinder part; the first transition section part comprises a second nodal surface; the vibration velocity of the oscillator at the second nodal surface is zero; the second amplitude changerod is a half-wave length three stage type amplitude rod, and comprises a second cylinder part, a second transition section part and a radiation head; the second transition section part comprises a third nodal surface; and the vibration velocity of an oscillator at the third nodal surface is zero. The ultrasonic transducer disclosed by the invention has the advantages of being resistant to high temperature, capable of continuously working for a long term, large in batch processing scale and the like, and the transport capacity of crude oil can be improved.

Ultrasonic transducer for performing viscosity reduction on viscous crude and ultrasonic transducing device

The invention discloses an ultrasonic machining method for a honeycomb cavity structure. The ultrasonic machining method comprises the steps that in an area of a cavity structure, an ultrasonic blade-type cutter is used for drawing a cutter path, and a honeycomb in the cavity structure area is divided into a plurality of small blocks; near the middle position of the cavity structure, an ultrasonicdisc-type cutter is used for performing swing angle processing, and a cutting area is processed; the cutter is used for cutting along the oblique line from the processed cutting area, and the cavitystructure is processed by the processing method of milling of a cavity. According to the ultrasonic machining method of the honeycomb cavity structure, the ultrasonic blade cutter is used for drawingthe cutter path, the ultrasonic disc-type cutter is used for processing the cutting area, then the cavity structure is processed by the processing method of milling of the cavity, and thus the problems such as the side surfaces of the cavity structures of honeycomb parts are prone to fluffing and partially tore are solved.

Ultrasonic machining method of honeycomb cavity structure

The invention discloses a numerical control ultrasonic vibration machining control system and method. Ultrasonic vibration energy is introduced to reduce damage of a machine tool cutter and a workpiece. In an ultrasonic vibration system, information interaction of an operation computer and a machine tool computer is controlled through ultrasonic vibration, parameters and machine tool operation codes in a database are called, then the power of an ultrasonic power generator is configured and is transmitted to an ultrasonic transducer through a wireless power supply device, the ultrasonic transducer is connected with a chuck cutter, and ultrasonic vibration is generated. By means of the technology, the problem of machining of existing superhard materials is difficult is solved, the cutter service life is prolonged, and the rejection rate of the workpiece is reduced.

Numerical control ultrasonic vibration machining control system and method

The invention discloses an amplitude-change pole for a honeycomb core ultrasonic cutting system. The amplitude-change pole is characterized by comprising an amplitude-change pole inner cooling connection screw, an ultrasonic cutting amplitude-change pole connection base, a rapid changing type ultrasonic cutting amplitude-change pole core and an ultrasonic cutting knife. From the fact of ultrasoniccutting, the requirements of high-quality and high-efficiency machining for honeycomb core ultrasonic cutting are met, the amplitude-change pole has the advantages of being convenient to disassemble,high in interchangeability and the like, and the honeycomb core ultrasonic cutting machining efficiency and automatic level can be improved.

Amplitude-change pole for honeycomb core ultrasonic cutting system

The invention discloses an ultrasonic vibration system for cutting honeycomb core materials. The ultrasonic vibration system comprises a first-stage ultrasonic vibration system, a second-stage ultrasonic vibration system and an ultrasonic cutting tool, wherein the first-stage ultrasonic vibration system comprises a first-stage transducer and a first-stage ultrasonic horn, and the second-stage ultrasonic vibration system comprises a second-stage transducer and a second-stage ultrasonic horn; and the second-stage transducer comprises a second-stage piezoelectric ceramic piece and a second-stagerear cover plate, and the front end of the first-stage ultrasonic horn is connected with the second-stage ultrasonic horn. The integral size of the ultrasonic vibration system is reduced while large amplitude is generated, and the problems that the lateral vibration generated by oversize of the radial size and the volume of the ultrasonic cutting tool is large and the rotating speed is low due tothe fact that the axial size is too large are effectively reduced; and the requirements of cutting the paper honeycomb materials by the ultrasonic cutting can be met, the energy transmission loss canbe reduced, and the machining cost can be reduced.

Ultrasonic vibration system for cutting honeycomb core materials

The invention discloses an ultrasonic inserting cutting tool for processing a curve outline of a honeycomb core. The ultrasonic inserting cutting tool comprises a threaded section, a rigidity improving block, a trapezoid-like shaped platform transition block and a thin-sheet shaped open type tool body, wherein axes of the threaded section, the rigidity improving block, the trapezoid-like shaped platform transition block and the thin-sheet shaped open type tool body are positioned on an axis of the ultrasonic inserting cutting tool for processing the curve outline of the honeycomb core. According to the ultrasonic inserting cutting tool for processing the curve outline of the honeycomb core, the curve outline of the honeycomb core material is inserted and cut under ultrasonic vibration effect; the honeycomb core material can be smoothly cut through a circular arc shaped cutting bottom edge under the ultrasonic effect, thus the damage of the honeycomb core material in processing can be decreased, and the processing rigidity of the rest materials can be improved; in addition, the friction between the circular arc shaped cutting bottom edge and the processing surface of the honeycomb core is reduced by the ultrasonic effect, so that the processing defects of the curve outline of the honeycomb core can be reduced; the abrasion of the tool is reduced, and as a result, the service life of the tool is prolonged; and the curve outline of the honeycomb core is processed with high quality.

Ultrasonic inserting cutting tool for processing curve outline of honeycomb core

The invention discloses an ultrasonic slotting and cutting tool. The ultrasonic slotting and cutting tool comprises a tool main body, wherein one end of the tool main body is provided with a positioning surface, a threaded section connected with an ultrasonic amplitude variation rod is arranged on the positioning surface, and a groove is formed in the other end of the tool main body; the groove comprises a conical groove bottom, a cylindrical hole and a frustum-shaped hole, wherein a horn-shaped cutting edge is formed by the frustum-shaped hole and the outer wall, away from one end of the positioning surface, of the tool main body, and a wrench groove is formed in the outer wall of the tool main body located between the positioning surface and the conical groove bottom; and at least one chip outlet which penetrates out of the outer wall of the tool main body is arranged at one end of the cylindrical hole close to the conical groove bottom, at least one inclined groove which penetratesout of the outer wall of the tool main body is formed in the inner wall of a hole section, close to the frustum-shaped hole, of the cylindrical hole. According to the machining tool, cutting force ofhoneycomb core slotting and cutting machining is reduced, so that the deformation damage of honeycomb core hole grids is effectively inhibited, and the machining quality and the machining precision are guaranteed.

Ultrasonic slotting and cutting machining tool

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Amplitude-change pole for honeycomb core ultrasonic cutting system

Ultrasonic vibration system for cutting honeycomb core materials

Ultrasonic inserting cutting tool for processing curve outline of honeycomb core

Ultrasonic slotting and cutting machining tool