47results about How to "Processing state is stable" patented technology

Provided is an innovative band-shaped lubricating material for dry wiredrawing which not only can be used under severe wiredrawing conditions, such as high-temperature high-pressure high-speed conditions, like conventional powdery or granular lubricants for dry wiredrawing, but also can accommodate both diameter reductions to a wide range of wire diameters ranging from a small to a large diameter and a wide range of wire speeds ranging from a low to a high speed. The lubricating material is not limited in the shapes of works, is excellent in terms of lubricity, conformability, spreadability, adhesion, heat resistance, processability, workability, safety, durability, productivity, and other function, is effective in improving the working environment, and is friendly to the global environment. This band-shaped lubricating material for dry wiredrawing is a material comprising a film which comprises 10-90 wt.% metal salt of a saturated fatty acid and 10-90 wt.% thermoplastic resin.

The invention provides a reversed alignment electrochemical discharge machining (RA-ECDM) method in the field of special machining. A tool electrode is arranged below a workpiece. The tool electrode is fixed on the bottom surface of a work slot by an electrode holder and is soaked in electrolyte solution. The workpiece is connected with a feeding device of a machine tool. The feed motion in the machining process is implemented by feeding of the workpiece. The invention also provides a corresponding device. According to the invention, by changing the relative positions between the tool electrode and the workpiece, machining scraps generated in the machining process can be easily discharged under the action of gravity, so that the flowing capacity of electrolyte in a machining process in the machining process is reinforced. Moreover, due to the adoption of the reversed layout, air bubbles generated in the electrolytic reaction can be concentrated around the end part of the electrode below the machined workpiece to form a stable air film, so that the stability and the machining depth of the ECDM are effectively improved.

The invention relates to the data processing method of a multi-axis linked electric discharge machining feeding speed postprocessor based on spatial mapping. With respect to electric discharge machining participated by a rotation axis, a control object is a relative distance between an electrode and a workpiece. According to the method, through start from a model of the electrode and the workpiece, displacements of each line of G codes under a machine tool coordinate system and a workpiece coordinate system are solved through spatial mapping; the ratio of the displacements is solved; the ratio is multiplied by an originally planned feeding speed of each line of G codes; and a machining program is updated. According to the method, speed fluctuation resulting from spatial transformation can be greatly reduced; the discharge state of movement participated by the rotation axis is protected from instability; occurrence of open circuit and short circuit states can be reduced; and the electric discharge machining efficiency can be improved.

The invention relates to a designing method of a feeding speed postprocessor used for multi-axis linkage electrosparking. For multi-axis linkage electrosparking machining in which rotary axes are involved, the control object is the relative distance between an electrode and a workpiece, and the unknown radiuses of the rotary axes cause fluctuation of the machining speed. From models of the electrode and the workpiece, the movement coefficients of all movement axes are defined through the rotary radiuses. On the basis, each line of G code movement coefficients are synthesized through a weighted average method to obtain a movement proportionality coefficient, the originally planned feeding speed of each line of G codes is multiplied by the movement proportionality coefficient of the line, and the machining program is updated. Speed fluctuation caused by unmatched dimension can be greatly reduced, the unstable discharging state of movement in which the rotary axes are involved is avoided, the frequency of open circuits and short circuits is reduced, and the electrosparking efficiency is improved.

The invention discloses an automatic control system for a glass edging machine, which includes a central control module, a measurement module connected to the central control module, a conveying module, an induction electric eye, an edge guiding positioning module, an upper pressing component control module, and an edge detection module. Module, lower chamfering control module, edge trimming control module, upper chamfering control module, lower chamfering control module, side processing control module and current detector; Compared with the prior art, the glass edge grinding machine of the present invention Automatic control system, during the whole processing process, the operator does not need to adjust the equipment, the central control module issues instructions, and controls the automatic positioning of the tool, the real-time adjustment of the polishing amount, and the real-time adjustment of the conveying speed of the workpiece by the conveying component to ensure The workpiece is in a stable processing state during the entire processing process, which ensures the integrity of the workpiece processing and greatly improves the processing speed of the equipment.

The invention relates to an ultra-precise processing method for the circular conical surface of a fluid static pressure sealing ring for a nuclear primary pump, which belongs to the technical field of precise processing and is characterized in that the sealing ring is clamped in the center of a rotating work table, the radius of a cup-shaped grinding wheel is 75 to 250mm, the distance from the crossing point of the end surface of the cup-shaped grinding wheel and a rotating axis of the cup-shaped grinding wheel to a rotating axis of the rotating work table is 100 to 350mm, according to the principle that the taper error of the surface generated by the grinding is smaller than the given taper tolerance, an inclination angle of the rotating axis of the cup-shaped grinding wheel relative to the rotating axis of the rotating work table and an included angle between the rotating axis of the cup-shaped grinding wheel and a straight line are selected, wherein the straight line passes throughthe crossing point of the end surface of the cup-shaped grinding wheel and the rotating axis of the cup-shaped grinding wheel and is vertically intersected with the rotating axis of the rotating worktable. During grinding, the rotating work table and the cup-shaped grinding wheel do rotating movement, the cup-shaped grinding wheel feeds along the rotating axis of the rotating work table, and thecutting-in grinding is carried out by the end surface of the cup-shaped grinding wheel. The ultra-precise processing method has the effects and benefits that the machine tool structure is simple, andthe high-precise and low-surface-roughness grinding of the circular conical surface of the fluid static pressure sealing ring for the nuclear primary pump can be realized.

The invention discloses a method for grinding a sealing ring and belongs to the technical field of complex molded surface grinding. The method is characterized in that a workpiece shaft, a cup-shaped grinding wheel, a grinding wheel shaft, a swinging work table, and a linear movement platform are adopted; the workpiece shaft is arranged on the swinging work table; the swinging work table is arranged on the linear movement platform; the direction of the rotation axis of the grinding wheel shaft is parallel to the movement direction of the linear movement platform; the rotation axis of the grinding wheel shaft is perpendicularly intersected with the swinging axis of the work table, and crush grinding is performed through the end face of the cup-shaped grinding wheel. When an inclined corrugated surface is ground, the rotary motion of the workpiece shaft, the swinging of the swinging work table and the linear movement of the linear movement platform are controlled in a coordinated way. When a dam face is ground, the rotation axis of the cup-shaped grinding wheel is parallel to that of the workpiece shaft. The method has the advantages that high-surface shape accuracy and low-surface roughness complex molded surface machining of a fluid dynamic pressure sealing ring consisting of the flat annular dam face and the inclined corrugated surface of which the radial contour is a slightly inclined straight line and the inclined angle changes periodically along the circumferential direction can be realized.

The invention discloses a machining method for a complex surface of a fluid dynamic pressure and static pressure combined mechanical seal ring for a nuclear main pump, and belongs to the technical field of precision machining. The machining method is characterized in that: the sum of square of the diameter of a cup-shaped grinding wheel and the square of a middle diameter of an isoclinal wavelike surface of the seal ring is equal to the square of double the distance from an intersection point of an end face of the cup-shaped grinding wheel and a revolving axis of the cup-shaped grinding wheel to the revolving axis of a revolving table; an included angle of two revolving axes during grinding of the isoclinal wavelike surface is equal to a radial profile inclination angle of the isoclinal wavelike surface; the distance from the cup-shaped grinding wheel to the middle point of a grinding contact camber line of a seal ring is equal to the distance from the intersection point of the end face of the grinding wheel and the revolving axis of the grinding wheel to the revolving table; and when a sealed dam face is ground, the two revolving axes are parallel, micro feed plunge-cut grinding of constant grinding wheel cutting depth is performed through the end face of the grinding wheel. The machining method has the effect and the benefit that: machining of high surface accuracy and low surface roughness of the complex surface of the fluid dynamic pressure seal ring for the nuclear main pump, which is constituted by a flat cam face and the isoclinal wavelike surface with a radial profile of a slightly oblique straight line and with constant circumferential inclination angle, is realized.

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 discloses a complex molded surface grinding method for a three-axis linkage mechanical sealing ring and belongs to the technical field of complex molded surface grinding. The method is characterized in that a workpiece shaft, a cup-shaped grinding wheel, a grinding wheel shaft, a swinging work table, and a linear movement platform are adopted; the workpiece shaft is arranged on the swinging work table; the grinding wheel shaft is arranged on the linear movement platform; the rotation axis of the grinding wheel shaft is perpendicularly intersected with the swinging axis of the swinging work table; and the direction of the rotation axis of the grinding wheel shaft is parallel to the movement direction of the linear movement platform, and crush grinding is performed through the end face of the grinding wheel. When an inclined corrugated surface is ground, the rotary motion of the workpiece shaft, the reciprocating swinging of the swinging work table and the linear movement of the linear movement platform are controlled in a coordinated way. When a dam surface is ground, the rotation axis of the cup-shaped grinding wheel is parallel to that of the workpiece shaft. The method has the advantages that the high-surface shape accuracy and low-surface roughness complex molded surface machining of a fluid dynamic pressure sealing ring consisting of the flat annular dam face and the inclined corrugated surface of which the radial contour is a slightly inclined straight line and the inclined angle changes periodically along the circumferential direction can be realized.