67results about How to "Reduce processing scrap rate" patented technology

The invention relates to a progressive addition freeform-surface lenses performance evaluation method. The method is a method for evaluating focal power, astigmatism and axial distribution of lenses when a person wears progressive addition freeform-surface lenses in the multiple optical axes state from the perspective of multiple optical axes in the design stage. According to the invention, the influence of optical axis change on focal power, astigmatism and axial distribution of lenses when a person wears progressive addition freeform-surface lenses to see faraway and near places and perimeter zone in the multiple optical axes state is provided, and conformity and weighting factor of different areas of the lenses also can be provided. After normalization processing, weight factor thresholds of focal power of lenses' lattice points, astigmatism and axial distribution of the progressive addition freeform-surface lenses in the multiple optical axes state are calculated for evaluation. According to the weight factor thresholds, the difference between the progressive addition freeform-surface designed in the multiple optical axes state and a prescription is obtained, and errors of parameters in the design process are understood. By the evaluation method, design period can be shortened, rejection rate of processing can be reduced, and product qualification ratio can be raised.

The invention discloses an evaluation method of a free cambered lens with high curvature and large caliber and a design processing method thereof. With the adoption of the technical scheme, an ordinary free cambered lens can be evaluated, besides, the free cambered lens with the high curvature and the large caliber can be evaluated; and for a high-degree lens or a lens edge position, an evaluation result is more close to a theoretical value, not only can spherical photometric values and astigmatic degree values of all points of the lens be given, but also astigmatic directions of all points can be given. At the same time, the method can evaluate the lens accurately in a design process, design parameters are adjusted according to the evaluation result and by combining actual processing errors, and processing is performed again, so that the processing rejection rate can be decreased, the product yield is increased, and industrial popularization and application are facilitated.

The invention relates to a gauge used for measuring the inner groove diameter of an elongated hole, which comprises a caliper gauge, a dial indictor, an adjustment lever and a spring, wherein the caliper gauge is of a pincer-shaped structure and formed by hinging two measuring rods, one of the measuring rods of the caliper gauge is fixedly provided with the dial indicator, the other measuring rod is fixedly provided with the adjustment lever, the adjustment lever corresponds to the dial indicator in position, the length of the adjustment lever relative to the measuring rods can be adjusted, and measuring ends of the two measuring rods are connected through the spring. The gauge provided by the invention is simple in structure, convenient to use, convenient for measurement at any time in processing at the production field, can improve the processing quality and reduce the processing rejection rate, and has the characteristics of high detection efficiency and high universality.

The invention discloses an industrial automatic coating production line which comprises a coating machine, a drying machine, a control box, a hoisting conveyor, a moving mechanism and a feeding mechanism. The dryer is arranged on the left side of the coating machine and is communicated with the coating machine; the control box is arranged on the outer side of the coating machine; the hoisting conveyor is arranged above the inner side of the coating machine and the inner side of the drying machine in the left-right direction, and the hoisting conveyor is electrically connected with the control box; the moving mechanism is mounted at the moving end of the hoisting conveyor; the feeding mechanism is arranged on the lower right portion of the hoisting conveyor. According to the industrial automatic coating production line, workpieces can be hoisted, conveyed and automatically fed in the industrial automatic coating production process, the automation degree is high, compared with mechanical arm carrying, the occupied production space is small, in the coating process, the sprayed workpieces can be vibrated up and down, workers can conveniently find the workpiece surface hanging phenomenon in time, and the coating efficiency is improved. The machining rejection rate is reduced.

The invention discloses an annular workpiece milling, grinding and measuring integrated machining machine tool which comprises a machine tool base, a Z-axis mounting support, an X-axis mounting panel,an X-axis moving device, a Z-axis moving device, a B-axis rotating table, a milling and grinding operation system, a measuring mechanism, a workbench and a Y-axis moving device. The Z-axis mounting support is fixed to the machine tool base, the Z-axis moving device is fixed to the Z-axis mounting support, the X-axis mounting panel is fixed to the Z-axis moving device and is driven by the Z-axis moving device to move up and down in the Z-axis direction, and the X-axis moving device is fixed to the X-axis mounting panel. The B-axis rotating table is fixed to the X-axis moving device and drivenby the X-axis moving device to move leftwards and rightwards in the X-axis direction, the milling and grinding operation system is fixed to the B-axis rotating table, the measuring mechanism is fixedto the end of the milling and grinding operation system, the workbench is fixed to the Y-axis moving device and driven by the Y-axis moving device to move forwards and backwards in the Y-axis direction, and the Y-axis moving device is fixed to the machine tool base. Meanwhile, the invention discloses a control method of the annular workpiece milling, grinding and measuring integrated machining machine tool.

A short circuit prevention porous efficient liquid flushing electrode for arc discharge machining is characterized in that the electrode is cylindrical; the central area of the bottom of the electrodeis provided with a blind hole along the electrode axis; a plurality of inner liquid flushing through holes are distributed in one periphery of the outer side area of the bottom of the electrode in the axial direction; the side face of the electrode is provided with a plurality of liquid flushing chip discharge grooves, so that the side face of the electrode forms a discontinuous surface; each liquid flushing chip discharge groove is open in the bottom face of the electrode; and the openings of the liquid flushing chip discharge grooves and the inner liquid flushing through holes are formed ina staggered mode. According to the electrode, the decompression effect on work liquid from a non-discharge machining area can be reduced effectively, strong inner liquid flushing of the discharge machining area is maintained, a short circuit phenomenon is prevented, the quality of the machined surface is promoted, the machining rejection rate is lowered, and uniformity of electrode loss and the precision of the machining size are improved.

The invention discloses a necking die for water sealing neck machining and a necking machining method. Through the necking die and the necking machining method, the requirement for machining water sealing necks with different depths is met, and the scrap ratio is lowered. The necking die comprises a die holder, a universal joint, a connecting rod, a synchronous die body and a locating die body, wherein a containing hole is formed in the middle of the die holder, and a through groove is formed in the center of the upper portion of the die holder; the universal joint is arranged in the containing hole, and the connecting rod is arranged in the through groove; one end of the universal joint is fixed to the middle of the connecting rod, and the other end of the universal joint is fixed to thecenter of the bottom of the die holder; the synchronous die body is located on the upper portion of the connecting rod, and the center of the connecting rod is coaxial with the center of the synchronous die body; the locating die body is arranged above the synchronous die body, and the lower portion of the locating die body penetrates through and is fixedly connected with the die holder and is coaxial with the die holder; and a groove ring for machining a water sealing neck is formed by an opening in the upper end of the synchronous die body and the upper portion of the locating die body. During machining, the synchronous die body eccentrically and synchronously rotates, stripping of a workpiece can be guaranteed while a deeper water sealing neck forming effect is achieved; and due to themovement of the synchronous die body in the radial direction, the workpiece is prevented from slipping and stopping rotation, and the machining quality is guaranteed while the water sealing neck can meet the preset requirement.

The invention provides a trimming mold for automobile reinforcement, which includes a lower mold assembly and an upper mold assembly, and the lower mold assembly includes a lower mold base, two positioning blocks, and a plurality of limit assemblies; the upper mold assembly The parts include the upper mold base, two trimming blocks, and two pressing blocks. The positioning block and the pressing blocks cooperate to press the demoulding product of the automobile reinforcement. The material block is moved by the positioning block and the demoulding product, and there is a height difference between the edge trimming block and the pressing block, and a shear force is generated on the demoulding product to cut off the leftover material. The existing mechanical processing method is improved by means of mold cutting, the safety of workers is improved during processing, the dust pollution caused by processing is also reduced, and the processing environment is improved.

The invention discloses a clamping device for machining small eccentric stepped circular hole parts. The device comprises a base, an indexing plate, a positioning base, an indexing guide plate, an indexing bolt and indexing adjusting mechanisms, wherein the indexing guide plate is a rectangular plate body; the base is in a circular truncated cone shape; a first groove used for installing the indexing guide plate is formed in the top surface of a top seat; a first indexing bolt hole is formed in the base; the indexing plate is in a circular truncated cone shape; a second groove which is combined with the indexing guide plate is formed in the bottom surface of the indexing plate; a second indexing bolt hole is formed in the indexing plate; the positioning seat is provided with a central holewhich is combined with the small eccentric stepped round hole parts to be machined; the indexing guide plate is fixed in the first groove formed in the top surface of the base; the positioning seat is fixed on the top surface of the indexing plate; a second groove formed in the bottom surface of the indexing plate is combined with the indexing guide plate, and the indexing plate is located on thetop surface of the base; the indexing bolt is inserted into one certain second indexing bolt hole in the indexing plate and a first indexing bolt hole corresponding to the second indexing bolt hole;and the various indexing adjusting mechanisms are used for fixedly connecting the base with the indexing plate.

The invention provides a processing method of an integrated horn submarine gate electrode. The method comprises the following steps: cutting an electrode copper plate material, preparing materials of an electrode milling machine, processing via a grinding machine, forming and processing a first side of the electrode copper plate material and forming and processing a second side of the electrode copper plate material, wherein the step of processing via the grinding machine is characterized by processing positioning grooves used for subsequently clamping in the upper end surface and the lower end surface of the electrode copper plate material. The processing method is simple in steps, short in period and low in processing cost. A clamping fixture used in the electrode processing method comprises a fixture base and a fixture extending device, wherein the fixture base and the fixture extending device are provided with positioning convex ribs, positioning grooves and central through holes; through cooperation of the central holes and positioning structures, the electrode material to be processed is stably fixed on the clamping fixture, so that the processing accuracy is ensured. The processing method and the clamping fixture are suitable for clamping and processing various types of electrodes.

The invention relates to a progressive addition freeform-surface lenses performance evaluation method. The method is a method for evaluating focal power, astigmatism and axial distribution of lenses when a person wears progressive addition freeform-surface lenses in the multiple optical axes state from the perspective of multiple optical axes in the design stage. According to the invention, the influence of optical axis change on focal power, astigmatism and axial distribution of lenses when a person wears progressive addition freeform-surface lenses to see faraway and near places and perimeter zone in the multiple optical axes state is provided, and conformity and weighting factor of different areas of the lenses also can be provided. After normalization processing, weight factor thresholds of focal power of lenses' lattice points, astigmatism and axial distribution of the progressive addition freeform-surface lenses in the multiple optical axes state are calculated for evaluation. According to the weight factor thresholds, the difference between the progressive addition freeform-surface designed in the multiple optical axes state and a prescription is obtained, and errors of parameters in the design process are understood. By the evaluation method, design period can be shortened, rejection rate of processing can be reduced, and product qualification ratio can be raised.

The invention discloses an integrated processing machine tool for milling, grinding and measuring ring-shaped workpieces, which comprises a machine tool base, a Z-axis mounting support, an X-axis mounting panel, an X-axis moving device, a Z-axis moving device, a B-axis rotating table, and a milling and grinding operation System, measuring mechanism, worktable and Y-axis moving device; the Z-axis mounting support is fixed on the machine base, the Z-axis moving device is fixed on the Z-axis mounting support, the X-axis mounting panel is fixed on the Z-axis moving device and Drive it to move up and down along the Z-axis direction through the Z-axis moving device, the X-axis moving device is fixed on the X-axis installation panel, and the B-axis rotating table is fixed on the X-axis moving device and driven by the X-axis moving device to move left and right along the X-axis direction Mobile, the milling and grinding operation system is fixed on the B-axis rotary table, the measuring mechanism is fixed on the end of the milling and grinding operation system, the worktable is fixed on the Y-axis moving device and driven by the Y-axis moving device to move back and forth along the Y-axis direction, Y The axis moving device is fixed on the base of the machine tool. The invention also discloses a control method of a milling, grinding and measuring integrated processing machine tool for an annular workpiece.