34results about How to "Improve ECM Efficiency" patented technology

The invention discloses a vibration feed motion realizing device for electrochemical machining and belongs to the technical field of electrochemical machining. The vibration feed motion realizing device comprises a fixed plate and a mounting block, wherein a sliding block is arranged below the fixed plate in a sling manner and is connected with a feed mechanism; a vibration chamber is arranged onthe sliding block; a moving plate is movably arranged in the vibration chamber; the mounting block is arranged at the bottom of the moving plate; the moving plate is connected with a vibration component; and a driving component is arranged between the vibration chamber and the fixed plate. According to the vibration feed motion realizing device, the mounting block is arranged at the bottom of themoving plate, the moving plate is arranged in the vibration chamber in a sliding manner and the vibration chamber is internally provided with the vibration component, so that the driving component candrive the moving plate to do up-down reciprocating motion while the vibration chamber descends, further a cathode tool does vibrating motion while doing feed motion, and eventually the efficiency ofelectrochemical machining can be improved.

The invention discloses a non-uniform-speed double-rotation variable-machining-blade cathode blisk electrolytic machining method. The method comprises the following steps that a rotating feeding shaftof a tool cathode is determined through simulation solution; the rotation angles and the rotation speeds of the tool cathode at different positions are determined through simulation solution, and themotion track of the tool cathode simulation is obtained; the rotation direction, the rotation angle and the rotation speed of a blisk blank is determined through simulation solution; a machining blade of the tool cathode is designed to be a variable-width machining blade; the tool cathode is driven to perform one-way variable-speed rotating radial feeding from the tool setting position along therotating feeding shaft according to the motion track of the simulation by taking the twisting direction of a blisk design model blade profile as the rotation direction; and the blisk blank is driven to cooperate with the variable-direction variable-speed rotation of the tool cathode around the central axis according to the rotation direction, the rotation speed and the rotation angle of simulationoptimization, and a blade lattice channel is formed on the blisk blank. According to the method, the electrolytically-formed blade lattice channel is uniform in allowance distribution and high in surface machining quality, and precise electrolytic machining of the blade lattice channel of the blisk can be realized.

The application discloses an ultrasonic-plasma electrolytic composite processing method and a processing device for workpieces. The processing method comprises the following steps: providing electrolyte solution between the non-metallic layer and the tool electrode; connecting the metal layer to the positive pole of the electrolytic machining power supply, connecting the tool electrode to the negative pole of the electrolytic machining power supply, and applying a DC voltage between the metal layer and the tool electrode; The tool electrode is moved relative to the non-metal layer from the side of the non-metal layer away from the metal layer, and the ultrasonic wave is guided to the non-metal layer. In the above method, the surface of the non-metallic layer is firstly processed by ultrasonic waves guided to the non-metallic layer. During the ultrasonic processing, the induced plasma can promote the circulation of the ultrasonic processing solution, so that the ultrasonic processing products can be quickly discharged from the processing area. After the non-metallic layer is processed, the metal layer is exposed, so that the metal layer is processed in parallel by ultrasonic electrolysis.

The invention discloses a multi-tooth turbine blade precision electrolytic machining process, which relates to the technical field of turbine blade electrolytic machining, including the preparation of tool cathodes, the installation of tool cathodes, and the electrolytic machining of slub holes. The invention overcomes the limitations of traditional methods. Defects, it can still ensure the stability of the processing process under the condition of high voltage, thereby improving the efficiency of electrolytic processing and shortening the processing time. When the temperature of the electrolyte rises, the flow rate of the electrolyte can be adjusted by the adjustment module to accelerate The loss of heat in the electrolytic processing area achieves stable control of the temperature of the electrolyte.

The invention relates to an intelligent control pulse power supply system for multi-station blade electrolytic machining and a control method. The method rectifies a commercial direct-current power supply by adopting a high-current rectifying module; the intelligent pulse module is small in size, and can be even arranged in a multi-station machine tool body; therefore, the mutually independent andmatched intelligent pulse modules can generate and control processing pulse signals of a blade basin cathode and a blade back cathode; the wiring distance between a processing area and the intelligent pulse module is obviously reduced, so that the parasitic inductance of a loop is reduced to the minimum, the waveform distortion is reduced to the minimum, the anti-interference capability of the power supply is improved, and the method is an effective way for improving the blade processing precision and the production efficiency.

The invention discloses a method for bipolar electrolysis discharging machining of parts and an implementing device. The method for bipolar electrolysis discharging machining of parts comprises the following steps that a power source is supplied, wherein a positive electrode of the power source is connected with a conductive workpiece, and a negative electrode of the power source is connected witha conductive electrode; the conductive workpiece and the conductive electrode are soaked with an electrolyte; the power source is turned on to machine the conductive workpiece, the power source outputs bipolar pulse voltage, the bipolar pulse voltage includes positive polarity voltage and negative polarity voltage, and the voltage value of the negative polarity voltage is larger than 25 V. The positive polarity voltage is used for oxidizing and corroding the conductive workpiece, the negative polarity voltage is used for generating spark, the electrolysis discharging efficiency of an electrode in the positive polarity voltage pulse period is improved, and the high machining efficiency can still be achieved under the centimeter-scale machining interval.

The invention discloses a system and a method for carrying out electrolytic machining on a groove array on the basis of a PDMS template. The method comprises the following steps: a. producing a clamp; b. producing a cathode tool with a groove structure; c. producing the PDMS template; d. embedding the PDMS template in a groove of the cathode tool; e. clamping the PDMS template, the cathode tool and an anode workpiece; f. connecting the anode workpiece and the cathode tool to the positive pole and the negative pole of a power supply separately; g. charging an electrolyte into the clamp, wherein the pressure of the electrolyte is greater than 0.1MPa; and h. turning on the power supply, and carrying out electrolytic machining. The electrolytic machining is carried out through the method, the position of the PDMS template is fixed by the cathode tool, a uniform width of the machined grooves is ensured, and the PDMS template closely contacts with the anode workpiece, so that improvement for the electrolytic machining accuracy of the groove array is benefited; and because the PDMS template can be repeatedly used, the method increases the machining efficiency of the groove array.

A microporous electrolytic machining machine vision positioning and navigation method. First, the vision device is used to install the target on the pad, and then the pixel equivalent of the vision device is calibrated, and then the electrode wire is used as the origin. The guide rail is the x and y axes of the coordinate system, establish the electrode wire coordinate system, calibrate the coordinate system of the vision device, and then calibrate the coordinate system offset of the vision device, and then place the workpiece to be processed on the fixture, and pass the vision device When the microhole to be processed is detected, the computer calculates the coordinates x and y of its center through the image processing program, and calculates the displacement information, and sends the displacement information to the control cabinet control workbench, so that the microhole to be processed and the electrode wire are aligned , electrolytically process the microhole, and then carry out the electrolytic machining of the next microhole. The present invention uses vision to detect the center of the microhole and completes the alignment of its electrode wire, which can greatly improve the accuracy and efficiency of electrolytic machining.

The invention discloses a precision machining method for multi-tooth turbine blades of an aero-engine, and relates to the technical field of turbine blade processing, including pretreatment of turbine blades, processing of tenon teeth, tenon tooth exhaust side and tenon tooth intake side, air film holes and light Hole processing, tool cathode assembly, bamboo hole electrolytic processing, cleaning, packaging and storage, etc., the present invention overcomes the defects of the traditional method, and can still ensure the stability of the processing process under the condition of high voltage. In this way, the efficiency of electrolytic machining is improved and the processing time is shortened. When the temperature of the electrolyte rises, the flow rate of the electrolyte can be adjusted through the adjustment module to accelerate the loss of heat in the electrolytic machining area and achieve stable control of the temperature of the electrolyte.