32results about How to "Improve turning accuracy" patented technology

The invention discloses a turning tool for machining regular polygonal inner holes, which includes a lathe, the lathe has a chuck and a tool rest arranged oppositely; It has a circular bottom hole inscribed in the designed regular polygonal inner hole, and a guide block with a linear guide hole is provided on the chuck; a knife feed mechanism is fixed on the knife holder, and the knife mechanism includes a fixed component, a rotating component, Shift assembly and conversion assembly, the circumferential rotation of the chuck is transmitted to the cam plate through the lever of the rotation assembly, and then the cam plate converts the circumferential rotation displacement into the linear displacement of the translation assembly through the conversion assembly, and the linear displacement of the translation assembly The displacement tool rod drives the tool to realize the cutting process of the regular polygon inner hole on the bottom hole on the workpiece. The invention has the characteristics of high processing precision, easy processing process, high processing efficiency, light labor intensity, low processing cost, etc., and is reliable and practical.

The invention discloses an intelligent-compensating anti-vibration lathe tool. The intelligent-compensating anti-vibration lathe tool comprises a cutter body and a cutter head which are independent from each other, wherein an inner cavity is arranged in the cutter body; and the rear end of the cutter head horizontally extends into the inner cavity. The intelligent-compensating anti-vibration lathe tool is characterized in that at least four groups of two-way flexible hinges are fixedly arranged between the two sides of the rear end of the cutter head and the cavity wall of the inner wall, wherein all two-way flexible hinges are symmetrically arranged along the axial center line of the cutter head; and a piezoelectric ceramic driver group which is arranged in the form of a square array is arranged between the rear-end end surface of the cutter head and the cavity wall of the inner wall. The intelligent-compensating anti-vibration lathe tool has the advantages that the cutter head of the lathe tool is controlled to carry out corresponding position compensating in a radial direction of a workpiece by monitoring changes of turning force, so that changes of a turning thickness are within a stable turning range, and regenerated type turning vibration is avoided; the cutter head rotates by a slight angle to carry out multi-direction position compensating to meet needs of different turning occasions; the turning precision and the surface processing quality of products are improved; and the anti-vibration lathe tool is simple in structure, is convenient to operate, and is flexible and variable in use.

The invention discloses a herringbone gear machining device. The herringbone gear machining device comprises a main lathe bed, a tooth milling stand column, a tooth milling blade, a workbench, a vertical lathe bed, a vertical lathe stand column and a turning blade, wherein the tooth milling blade is arranged on the tooth milling stand column in a sliding manner in the axial direction of the toothmilling stand column through a tooth milling tool rest, the workbench is rotationally arranged on the other side of the axial direction of the main lathe bed, the turning blade is arranged in a hollowstructure of the vertical lathe stand column in a sliding manner in the axial direction of the vertical lathe stand column, turning and milling share one rotation workbench, and a herringbone gear can be machined with high precision. The invention discloses a turning method for the herringbone gear machining device. The turning rotation speed, the cutting feed distance and the turning time of a workpiece are controlled on the basis of the BP neural network, and the turning precision is high. The invention further discloses a milling method for the herringbone gear machining device, the rotation speed of the workbench, the axial motion speed of the gear milling blade and the forward and reverse rotation time of the workbench can be accurately controlled, and the herringbone gear machiningprecision is improved.

The application relates to a turning fixture for a flanged blind plate, and relates to the technical field of metal processing equipment. It includes a base plate, a first pressing mechanism and a second pressing mechanism. The vertebra is rotatably connected to the tailstock, the tail vertebra is coaxially arranged with the base plate, the base plate is coaxially fixedly connected to the main shaft of the lathe, and the second pressing mechanism includes a clamping claw which is slidably connected to the base plate. In this application, when processing the outer peripheral surface of the blank, the base plate and the tail cone are used to clamp the blank, so that the outer peripheral surface of the blank is completely exposed; when processing the boss of the blank, the base plate and the clamping jaw are used to clamp the blank. In this way, the axial part of the blank part will be completely exposed, which is convenient for the feeding of the turning tool.

The invention provides a precision excircle turning clamp for a thin-wall flange. The precision excircle turning clamp comprises a chuck mounted on a machine tool, and a plurality of clamp bodies which are annularly arrayed along the axial direction of the chuck and are fixed on the chuck through threaded fasteners, wherein each clamp body comprises a clamping block with one end fixed on the chuck through the corresponding threaded fastener and the other end being an arc curved surface, and two pressing plates which are respectively located on two sides of the corresponding clamping block and are fixed on the clamping block through the threaded fasteners. According to the precision excircle turning clamp, provided by the invention, for the thin-wall flange, the thin-wall flange is circumferentially located by the clamping blocks mounted on the chuck and radially located by the pressing plates mounted on the clamping blocks, and the clamping blocks and the thin-wall flange as well as the pressing plates and the thin-wall flange are both in surface contact, so that the thin-wall flange can be located more precisely, and the turning accuracy is higher.

The invention discloses a non-circular cutting device for a numerically controlled lathe, which comprises a cutter head, a cutter holder fixed with cutters, a displacement sensor, a main shaft coder, an actuator, and a controller, wherein the main shaft coder is arranged on a main shaft motor of the numerically controlled lathe. The non-circular cutting device is characterized in that the cutter head is provided with a first cavity and a second cavity which are communicated with each other, a flexible hinge structure is arranged in the first cavity integrally, the front end part of the flexible hinge structure is integrally provided with a permanent seat of the cutter holder, the cutter holder is fixedly arranged on the permanent seat of the cutter holder, the actuator is fixedly arranged in the second cavity, the end part of the actuator leans against the rear end face of the flexible hinge structure, the main shaft coder and the displacement sensor are both electrically connected with the controller, and the controller is electrically connected with the actuator. The non-circular cutting device has the advantages that the cutter head has the functions of micro positioning and precision cutting vibration control to realize micro feeding movements of the cutters in a non-circular precise cutting system, the cutting vibration in axial and tangential directions of a workpiece can be controlled effectively, and the turning precision of non-circular cutting is improved.

The invention relates to the technical field of machining, and provides a target component and a processing method. The target component comprises a target and a backing plate used for bearing the target, wherein the surface of the target comprises a front side, a back side and sides, and the front side of the target is the sputtering surface of the target; and the back side of the target is opposite to the front side of the target, and the sides of the target are adjacent to the front side and the back side of the target separately. Meanwhile, the back side of the target is connected to the front side of the backing plate, and the sides of the target are adjacent to the front side of the backing plate; and the junction positions between the sides of the target and the front side of the backing plate are provided with sand blasting areas formed through sand blasting treatment and surrounding the sputtering surface, and the distances between the points of the same sand blasting line ofthe sand blasting areas and the center point of the sputtering surface are the same, wherein the sand blasting lines are the boundary lines of the sand blasting areas. The sand blasting areas of the target component have tidy sand blasting lines, so that abnormal sputtering is not generated in the sputtering process of the target, and semiconductor chips can be produced smoothly.

The invention provides a manufacturing method for thin-wall bearing and a method for machining a thin-wall inner ring / outer ring as well as a precision flexible bearing. The method for machining the thin-wall inner ring / outer ring comprises the following steps of: S0, providing a thin-wall ring with machining allowance left; S1: reinforcing along the radial direction and / or axial direction of the thin-wall ring; S2: carrying out quenching-tempering heat treatment on the reinforcing ring obtained by reinforcement in the S1; S3: carrying out corresponding grinding, hard cutting and super finishing on the reinforcing ring after receiving heat treatment, which includes removal of the machining allowance and a reinforcing part obtained by reinforcement in the S1, thereby obtaining finished thin-wall ring product. The thin-wall ring reinforced machining method substantially reduces and even avoids deformation of the thin-wall ring in all manufacturing links, thereby obtaining very high machining precision. The precision thin-wall bearing and the precision flexible bearing can be manufactured by fitting of the precision thin-wall ring and a precision rolling body.

The invention relates to the technical field of machining, and provides a target module and a machining method. The target module comprises a target and a back plate for bearing the target. The surface of the target comprises a front surface and a back surface; the front surface of the target is a sputtering surface of the target; the back surface of the target is opposite to the front surface ofthe target; a first step is projected on the back surface of the target; and the side surface of the first step is an inclined surface. A first groove matched with the first step is formed in the front surface of the back plate; the back surface of the target and the front surface of the back plate are connected through dispersion welding; and the first step is embedded in the first groove. In thedispersion welding process, the back surface of the target is tightly bonded with the front surface of the back plate; and a finally molded target module generates no welding line in the joint position of the two, so that the sputtering performance of the target can be improved, meanwhile, the problem related to the welding line cannot occur in subsequent machining process of the target module, and the quality of the produced target module is improved.