55results about How to "Improve machining precision" patented technology

An off-line feed rate scheduling method of a CNC machining process includes selecting a constraint variable and inputting a reference value related to the constraint variable; estimating a cutting configuration where a maximum constraint variable value (CVV) occurs through ME Z-map modeling; receiving the estimated cutting configuration and estimating a specific rotation angle (φ_s) where the maximum constraint variable value occurs through constraint variable modeling; calculating a feed rate that satisfies the reference value of the constraint variable at the estimated specific rotation angle; and applying the calculated feed rate to the NC code. Cutting force or machined surface error may be selected as a constraint variable depending on machining conditions.

The present invention provides a high-precision LED circuit board forming process without a process edge. The process comprises the steps: performing routing design aiming at the shape of the product of a LED circuit board, designing an auxiliary process edge at the shape edge of each LED circuit board in a PNL board, and arranging location holes and optical points on the auxiliary process edge; according to the routing design, employing the location holes on the auxiliary process edge for location, performing rough routing processing of each LED circuit board, and performing routing of the PNL board to a SET board keeping the auxiliary process; and employing the optical points on the auxiliary process edge for location, employing a CCD optical routing machine to complete the fine routing of the LED circuit board, and removing the auxiliary process edge of each LED circuit board in the SET board.

The invention discloses a surface preparation process for a high-precision, ultrathin and ultrahigh-flatness optical lens and relates to the technical field of optical lens processing. Devices adoptedin the surface preparation process include the optical glass shaping device, the multi-line cutting device, the CNC fine carving device, the grinding device, the rough polishing device, the fine polishing device, the ultrasonic cleaning device and the detection device which constitute a production assembly line. Processing precision and flatness can be improved greatly, the overall performance ofthe optical lens is improved, and the practicability of the optical lens is improved.

The invention provides an ultra-precision horizontal micro-EDM machine tool, which comprises a base and a workbench arranged on the base, and is characterized in that both sides of the workbench are provided with two supports, the two supports on the same side are provided with a first rodless cylinder therebetween, the two first rodless cylinders are located at the same height, a second rodless cylinder is erected between sliding blocks of the two opposite first rodless cylinders, a sliding block of the second rodless cylinder faces the workbench, the sliding block of the second rodless cylinder is provided with a first electromagnet plate, and the bottom surface of the first electromagnet plate is provided with bristles; and two ends of the workbench are further provided with scrap collecting boxes, each scrap collecting box is located between the two supports at the same end, the scrap collecting box is internally provided with a rotating roller, and the rotating roller is driven bya motor. The micro-EDM machine tool is simple in structure and capable of effectively cleaning a machined machine tool, common scraps or magnetized scraps are cleaned up, the accuracy of the placingposition of a workpiece is guaranteed, and thus the machining precision is improved.

The piezoelectric ink jet printing head has one notched metal layer to replace normal ceramic vibrating layer and ink cavity layer to avoid the stress destruction caused by high temperature sintering. The producing electroplating and micro-etching process includes forming one notched metal layer on a substrate, removing the substrate, forming the lower electrode layer and one figured piezoelectric layer, forming the upper electrode layer, adhering one jet hole sheet to the second surface of the metal layer to constitute one ink cavity together with the notch.

The invention relates to a 3D printing machine for manufacturing hollow rubber tires, and belongs to the field of 3D printing technologies. A movable platform (3) is arranged in the printing machine, a horizontal X-direction screw (4) is arranged below the movable platform (3), and a spraying nozzle (5) is arranged on the horizontal X-direction screw (4) and can move on the horizontal X-direction screw (4); a rotation driving device (12) is further arranged on the printing machine, a rotating body (11) capable of rotating around the horizontal axis is arranged on the rotation driving device (12), and a side ring (14) is arranged on the outer side of the rotating body (11); and the spraying nozzle (5) is used for printing the hollow tires on the side ring (14). The 3D printing machine for manufacturing the hollow rubber tires has the beneficial effects of being good in product molding, high in machining accuracy and high in manufacturing speed.

The present invention relates to an electrolytic machining method. For increasing size precision of electrolytic machining method, a metallic mask layer is formed on the surface of a workpiece whose material has high conductivity or volume electrochemical equivalent, whereby the metallic mask layer can be used as a sacrificial layer of electrolytic machining and simultaneously protects the non-machining region of the workpiece so as to reduce lateral machining of the workpiece Consequently, the size precision of electrolytic machining is enhanced. In addition, the feasibility of electrolytically machining a miniature interval between two machined structures is increased as well. In addition, the present invention provides a semifinished electrolytic workpiece, comprising a workpiece and a metallic mask layer formed on the surface of the workpiece. The conductivity or volume electrochemical equivalent of the metallic mask layer is smaller than that of the workpiece.

A multi-axis laser slot milling machine, comprising: a conveying mechanism, the conveying mechanism includes a moving part and a plurality of substrate fixtures arranged on the moving part, and the substrate fixtures are used to clamp substrates one by one , a plurality of the substrate fixtures move through the milling station with the moving part, and the substrate is provided with a plurality of clamping bases distributed in an array at least along the first direction, the first direction and the moving direction of the substrate Not parallel to each other; at least one milling mechanism, when there are multiple milling mechanisms, the milling mechanism is distributed along the movement direction of the substrate; the milling mechanism includes a plurality of lasers, and the plurality of lasers It is arranged at the milling station and distributed in an array along the first direction, and is used for emitting laser beams to respectively mill and fill grooves on the surface of the corresponding card base. The invention provides a multi-axis laser groove milling machine with high processing efficiency, good precision and multi-axis processing capability.

An efficient precision machining process for a showing stand comprises the following steps that (1) correction is conducted, specifically, a showing stand blank is measured through a height gauge, and the showing stand blank which does not meet the requirement is corrected through a tool; (2) a reference surface is milled, specifically, the reference surface of the showing stand blank is milled by adopting precision machining equipment, the precision machining equipment comprises a rack, a bottom plate, gantry stand columns, a gantry cross beam, a main shaft mechanism and an ultrasonic vibration machining mechanism; (3) a vertical machining center is used for machining; (4) drilling is conducted; (5) correction is conducted; and (6) surface treatment is conducted, specifically, the surface of the corrected showing stand blank is sprayed, and the showing stand is obtained. The efficient precision machining process for the showing stand is reasonable in process setting, simple, controllable, high in flexibility and machining efficiency, high in machining precision, capable of being used for large-scale production, good in economical efficiency and wide in application prospect.

The invention relates to a linear drive, in particular a rack and pinion drive, comprising at least one motor element (2) which is mounted on or in a retaining element (1.1, 1.2). The motor element (2) drives, directly or indirectly, a pinion (4), optionally, via an integrated drive (3), said pinion co-operating with a linear guide (5). According to the invention, the retaining element (1.1, 1.2) can be displaced by at least one actuator (12.1 to 12.3) in relation to a receiving element (6).

The invention relates to a scroll processing method of compressor. It includes the following steps: casting forming : the scroll is formed by compression casting type to make the scroll have a disc, each the both side of the disc has a seating body and a scroll piece. Processing base level: each of the outer edge surface of the disc and the surface connected to the seating body is processed to vertical base level and horizontal base level, as well as the outer edge surface of the seating body is processed. Pulling down work piece and fixing position: the seating body is clamped by tool and pulled down to make the horizontal base level hug closely to stable tool platform to fix the position, the scroll piece is convex out of the stable tool. Centre gripping: the clamp device is clamped to the vertical base level to make the scroll be fixed with steady centre gripping. Processing: after the scroll is fixed with steady centre gripping, the scroll can be processed by processing implement to make sure that each of the processing surfaces can be parallel to the vertical base level or horizontal base level. The invention can ensure each of the processing surfaces is parallel to the vertical base level or horizontal base level, realize the improvement of the effect of the processing precision, improve the intensity of the scroll.

The invention provides environment-friendly and energy-saving equipment with a purification device and a purification method. Almost electromechanical equipment, which is used at present, is not provided with a purification device of an oil mist separation system; particles with the size of 0.3 microns to 3.5 microns in oil mist in the electromechanical equipment are harmful to the health of human bodies when being inhaled by people; and the oil mist is deposited in a working region and accidents including occupational injuries and the like are easy to cause. The environment-friendly and energy-saving equipment comprises a base (1), wherein a groove is formed in the base; a motor (7) is mounted at the middle part in the groove; two tertiary filtering devices (6) are arranged on the side faces of the motor respectively; the front end of the motor is connected with a centrifugal impeller (9) through a connection shaft; a secondary filtering device (10) is arranged at the front end of the centrifugal impeller; a primary filtering device (11) is arranged at the front end of the secondary filtering device; and an oil mist suction inlet (2) is mounted on the front end face of the base. The environment-friendly and energy-saving equipment with the purification device is provided by the invention.

The invention discloses a thin-wall appearance part machining process which comprises a step of roughing a mounting surface: roughly machining a raw material by adopting a disc milling cutter, roughlydigging a cavity surface of the raw material by adopting a rough milling cutter, removing residual materials at corners, and preliminarily forming a mounting surface of a workpiece; a step of performing appearance surface finish machining: conducting finish machining on a surface opposite to the mounting surface to the designated size to form an appearance surface by using the disc milling cutter, a ball cutter and a forming cutter; a step of grinding the appearance surface: grinding an appearance surface and polishing the appearance surface; a step of performing fine machining on the mounting surface: reversely clamping and fixing a semi-finished product through a suction cup clamp and repeatedly performing roughing and finish machining on the mounting surface; and a step of performing powder spraying processing: carrying out powder spraying treatment on the appearance surface. By means of the mode, an appearance part is subjected to material removing machining, finish machining is conducted after multiple times of roughing, the workpiece precision is guaranteed, the multi-curved-surface precision machining of a thin-wall part of the appearance part can be effectively conducted,meanwhile, the requirement of the appearance part for the attractive appearance can be met, and the machining precision and quality can be improved.

The invention relates to a cutter handle with a shock absorption function. The cutter handle with the shock absorption function comprises a handle body, a damping block and a clamping head, wherein aninner hole is formed in the handle body and used for holding the damping block and the clamping head. The damping block is arranged at the bottom of the inner hole. The clamping head is arranged on the upper portion of the damping block. Four to six circles of grooves are formed in the surface of the inner hole. Shock absorption devices are arranged in the grooves and surround the periphery of the clamping head. The cutter handle with the shock absorption function is simple in structure, and convenient to use. When stone is machined, shaking or vibration of the surface of the stone is reduced. The damping block and the shock absorption devices convert kinetic energy into potential energy, the vibration amplitude of the milling cutter clamping head is relieved, vibration of a milling cutter is further relieved, and the surface coating of the milling cutter is protected. The machining accuracy of the surface of the stone is improved, and the service life of the coated cutter can also beprolonged.

The invention provides an ultrasonic wave syringe needle for a dental department and medical treatment and a manufacture method thereof, wherein the durability and reliability of the ultrasonic wave syringe needle can be improved, and the ultrasonic wave syringe needle is easy to manufacture. The manufacture method of the ultrasonic wave syringe needle for the dental department and the medical treatment comprises the following steps: ejecting shaped mixture comprising powder to manufacture a middle shaping body, wherein the middle shaping body comprises a syringe body and a plurality of syringe bulges, and the syringe bulges are integrated on the surface of the syringe body and form a bulge; and sintering the middle shaping body.

The present invention provides a method for removing micro-debris generated in a laser machining process operated on machined object and device of the same. The machined object is placed on a movable machining platform within a machining range and machined at a particular machining location. By disposing an acoustic wave generator and a reflector part, or by disposing a plurality of acoustic wave generators, at least two standing waves extending across the machining range and two standing wave nodes are generated. The micro-debris generated from the laser machining process is moved away by the standing waves to concentrate at the standing wave nodes, and subsequently removed from the standing wave nodes.

The invention relates to a water cutter cutting apparatus, which comprises a bearing seat unit and an output unit, wherein the bearing seat unit comprises a base, a first motor arranged on the base, afirst rotation seat connected to the first motor, a second motor arranged on the first rotation seat, and a second rotation seat connected to the second motor, and the output unit comprises a pneumatic valve, a cutting head communicated to the pneumatic valve, a controller for controlling the first motor and the second motor, and an inertial measurement assembly capable of sensing the inclinationangle of the cutting head. According to the present invention, the inertial measurement assembly can real-timely sense the attitude and the positioning signal and feeds back to the controller to makethe controller control the first motor and the second motor, such that the cutting head can maintain the target angle or real-timely compensate the angle so as to improve the processing precision.

The invention provides a polishing device. The polishing device comprises a bearing mechanism and a first polishing mechanism, wherein the bearing mechanism is used for bearing a wafer; the first polishing mechanism comprises at least one set of rotating first polishing wheels, a first polishing groove extending in the circumferential direction is formed in each first polishing wheel, each set offirst polishing wheels comprises the two first polishing wheels, the two first polishing wheels in each set are symmetrically arranged with respect to the wafer, and the axes of the two first polishing wheels share the same surface with the axis of the wafer; and the two first polishing wheels in each set can be close to or away from the wafer so as to make the inner side wall of each first polishing grooves be propped against or away from the wafer. According to the polishing device, the wafer is polished through the first polishing grooves in the two symmetrically-arranged first polishing wheels, the wafer can be kept stable and balanced in the polishing process, the vibration of the wafer is reduced, the precision degree of wafer processing is improved, the polishing efficiency is accelerated, and the polishing quality of the wafer is improved.

The invention provides a conveying and locating mechanism of a PCB collection machine and a board collection and discharge method. The conveying and locating mechanism of the PCB collection machine comprises a plate push cylinder (1), a plate push cylinder baffle (2), a plate push guide rail mechanism (3), a plate slapping mechanism (4), conveying rollers (5) and a conveying supporting plate (6).The conveying supporting plate (6) is arranged at the tail end of the conveying rollers (5). The plate push cylinder baffle (2) is arranged on the side face of the plate slapping mechanism (4). The conveying and locating mechanism efficiency reduces the conditions of PCB falling and improves the processing quality of PCBs.

The invention discloses an automatic glass column side surface grooving device. The device comprises a frame; a rotating module is arranged on the frame; a fixing module and a grinding module are respectively arranged on two sides of the rotating module; the fixing module includes a support rod arranged on the frame; a transverse plate is horizontally arranged on one side of the support rod; an extension column is vertically arranged at the lower part of the transverse plate; a second bearing is arranged at the bottom of the extension column; the bottom of the second bearing is connected with a rotating rod; the rotating rod is coaxially provided with a first connecting disc; a first concave hole is formed in the bottom center of the first connecting disc; an inductor is arranged on the top surface of the first concave hole, and is a disc-shaped structure; and a controller is arranged in the frame, and is connected with the inductor and the extension column. The device has such advantages as simple structure, convenience for use and capability of satisfying grinding of grooves with different types.