2823 results about "Batch manufacturing" patented technology

The invention provides an intelligent factory production optimization method and system based on AI scheduling, and belongs to the technical field of intelligent factory production management.The method comprises the steps that firstly, process disassembling is conducted on batch production orders, an order task atlas is obtained, a dynamic resource pool is constructed according to the real-time resource state of a factory, the order task atlas is input into a pre-trained scheduling AI model, and a scheduling AI model is established; a dynamic resource pool is combined to generate multiple groups of initial scheduling paths, conflict detection and conflict point identification are performed on the initial scheduling paths, an adaptive adjustment module is called to correct parameters based on conflict point types and influence ranges, a final production optimization scheme is generated and imported into a factory execution system, and intelligentization and high efficiency of production scheduling are realized. And the production efficiency and benefits are improved.

The invention discloses a degradable bamboo fiber express packaging bag and a preparation method thereof, and belongs to the technical field of express packaging. The packaging bag is prepared from, by mass, 32-42 parts of pretreated bamboo fibers, 22-28 parts of poly (butylene succinate), 9-14 parts of modified nano calcium carbonate, 12-16 parts of polycaprolactone, 6-11 parts of acetylated chitosan and the like, and the key raw materials are all treated through an exclusive pretreatment or modification process. The preparation method comprises the steps of raw material plasma activation, segmented high-speed mixing, vacuum drying, precise-parameter twin-screw extrusion granulation, secondary drying, precise film blowing, high-precision heat-sealing bag making and the like, and the technological parameters of all the steps are clear. The product disclosed by the invention can be efficiently degraded in a natural environment, has excellent tensile resistance, puncture resistance and impact resistance, is stable and controllable in processing process, and is adaptive to actual requirements of express packaging and industrial batch production.

The invention discloses a partitioned multifunctional metal double-cavity vacuum coating process and system, and belongs to the technical field of material surface treatment. The process comprises the steps of base material pretreatment, double-cavity preparation, vacuum inspection, first cavity bottom layer deposition, vacuum transfer, second cavity functional layer deposition and cooling, the double cavities are provided with corresponding target materials respectively, and parallel operation and vacuum seamless transfer are supported; the system comprises double coating cavities, a vacuum transmission channel, a vacuum acquisition and control module, a coating deposition module, a workpiece bearing module and a process parameter regulation and control module, and each of the double cavities is provided with a multi-target mounting rack and carries a real-time monitoring unit and an intelligent control system. Integrated preparation of the composite film layer and synchronous production of multifunctional workpieces are achieved, operation gaps are eliminated, the compactness and adhesive force of the film layer are improved, parameter deviation and the reject ratio are reduced, and batch production requirements are met.

The invention relates to the technical field of planetary gear machining equipment, and discloses a planetary gear machining device with a bidirectional feeding mechanism, which mainly comprises a planetary gear machining machine tool machining table for bearing machining operation, and a conveying mechanism for conveying planetary gear blanks, the bidirectional feeding mechanism is used for realizing bidirectional precise feeding; the conveying mechanism is arranged between machining tables of the planetary gear machining machine tool and used for achieving long-distance conveying of blanks. Two-way operation of blank feeding and finished product discharging can be achieved through the feeding robot of the two-way feeding mechanism, manual intervention is not needed, the blanks on the conveying belt are accurately transferred to the machining table, the finished products are transferred to the designated position after machining is completed, and automation of the whole process is achieved; the mechanical arm of the feeding robot is flexible and controllable and can be matched with the rotating shaft to meet the grabbing and transferring requirements of different angles, the feeding path is accurate, the feeding time is greatly shortened, and the batch production efficiency is improved.

The invention relates to the technical field of spaceflight material forming, in particular to a tension control winding process of a spaceflight carbon fiber composite launch canister, which comprises pretreatment, winding forming, curing and post-treatment. The method comprises the following steps: S1, coating a release agent and a modified coating after processing a core mold, carrying out plasma treatment and eliminating stress; the carbon fiber filaments are soaked in resin containing nanometer components, and are pre-stretched after a hot melting reaction; s2, closed-loop tension control is conducted, winding is conducted according to segmented angles, and modified resin is coated between layers to be overlapped in a crossed mode; s3, stepwise heating and curing, dynamically regulating the pressure and introducing inert gas; and S4, polishing after hydraulic demolding, carrying out sand blasting, carrying out transition layer and ceramic coating, and carrying out multi-dimensional detection. According to the process, the mechanical property and environmental adaptability of the launch canister are improved, the process precision is high, defects are reduced, the forming time is shortened, the rework rate and cost are reduced, the spaceflight requirement is met, and the process is suitable for batch production.

The invention discloses an assembly line and an assembly method for batch production of stacked micro-nano satellites, belongs to the technical field of batch production of satellites, and particularly relates to the assembly line and the assembly method suitable for batch production of the stacked micro-nano satellites. The problems that an existing satellite is low in production (assembly) efficiency, high in cost and long in period are solved. The method comprises the following steps: performing single-machine thermal control implementation and component assembly to form a single-machine component; cabin section assembling is conducted, and a complete cabin section module is formed; carrying out platform cabin closing to form a complete whole-satellite platform; butting the upper cabin and the lower cabin of the load to form a satellite in a middle state; and solar wing assembly is carried out to form a final whole satellite in a to-be-launched state. The assembly line for batch production of the stack type micro-nano satellites and the assembly method are suitable for batch production of the stack type micro-nano satellites.

The invention relates to an automatic binding system for a reinforcement cage and application of the automatic binding system. The system comprises a control station, a binding jig frame, a four-way rail arranged in the circumferential direction of the binding jig frame, a four-way RGV arranged in a sliding mode in cooperation with the four-way rail, a sub-control piece, a mechanical arm, an identification piece and a binding piece, wherein the sub-control piece and the mechanical arm are arranged on the four-way RGV, and the identification piece and the binding piece are arranged at the output end of the mechanical arm. The control station is in communication connection with the sub-control piece and is used for directly or indirectly controlling the four-way RGV, the mechanical arm, the identification piece and the binding piece; the automatic binding system for the reinforcement cage is applied to binding of the reinforcement cages of T-shaped beams, box beams, pier columns and cover beams. The method has the advantages of improving the production efficiency and ensuring the batch steel bar binding result, and is suitable for batch production of steel bar cages of T beams, box beams, pier columns and cover beams.

The invention discloses a batch processing technology of micro-fluidic chips, and relates to the technical field of chip processing. The method comprises the following steps: firstly, providing at least two layers of polymer coiled materials, namely a first coiled material for forming a micro-channel structure and a second coiled material for closing a micro-channel, the coiled materials are continuous coiled materials selected from polyethylene glycol terephthalate (PET), cycloolefin polymer (COP), polycarbonate (PC) or polymethyl methacrylate (PMMA), and the coiled materials are continuous coiled materials selected from polyethylene glycol terephthalate (PET), cycloolefin polymer (COP), polycarbonate (PC) or polymethyl methacrylate (PMMA); the thickness of the coiled material is 50-500 microns; secondly, carrying out continuous compression molding processing on the surface of the first coiled material through a roll-to-roll processing platform; through a roll-to-roll continuous process, micro-channel mold pressing, functional deposition, precise alignment bonding and online cutting are integrated, high-efficiency, high-consistency and high-integration-level batch manufacturing of the micro-fluidic chip is realized, and manual intervention and production cost are remarkably reduced.

The invention discloses a three-dimensional woven radome preform woven and formed by a multi-heald eye device, weaving equipment with a plurality of independent controllable heald eyes is adopted, and the method comprises the following steps: S1, a weaving mold is provided, and the surface of the weaving mold is provided with a three-dimensional curved surface corresponding to the shape of a target preform; s2, a warp system is led to the weaving mold and penetrates through the independent controllable heald eye. By adopting a multi-heald-eye independent driving control scheme, the limitation of the number of healds of traditional fixed heald eye equipment is broken through, the weaving requirement of a large-size conical structure with the bottom maximum diameter being about 600mm and the axial length being about 900mm can be accurately met, meanwhile, yarns are arranged along the three-dimensional curved surface of the mold in a shape following mode, secondary preforming is conducted without the help of the mold, and the production efficiency is improved. According to the method, the size deviation and the structure damage caused by secondary processing are avoided, the production period is remarkably shortened, the economical efficiency and the efficiency of batch production are improved, and the weaving feasibility and the structure consistency of the large-size variable-thickness structure are ensured.

The invention discloses a shoe sole production management optimization method and system based on order demands, and belongs to the technical field of production management, and the method specifically comprises the steps: carrying out the order priority dynamic judgment according to the production complexity corresponding to a shoe sole specification parameter and the emergency degree corresponding to a delivery period in an order information file, and generating a priority sequence; calling the equipment state, raw material inventory and capacity data in the production system, pre-distributing production resources for each order according to the priority sequence, synchronously checking the feasibility of a pre-distribution scheme, and judging whether the pre-distribution scheme has resource conflicts or not; if the resource conflict exists in the pre-allocation scheme, triggering the constructed conflict automatic coordination rule, and generating a conflict-free allocation scheme by adjusting a production batch sequence or splitting batch production; and according to the conflict-free distribution scheme, generating a sole production execution plan corresponding to each order in combination with each requirement in the order information file, and determining starting and ending time and an operation standard of each production link.

The invention relates to economical corrosion-resistant 5Cr80 rare earth oil well pipe steel and a preparation method thereof, belongs to the technical field of corrosion-resistant oil well pipe steel for petroleum engineering, and aims to solve the problems that the cost is high due to addition of precious metals such as Mo and Ni in existing medium Cr steel, pitting corrosion is induced by inclusion of MnS, and a rare earth treatment process is unstable. The oil well pipe steel is prepared from the following chemical components in percentage by mass: 0.05 percent to 0.08 percent of C, 0.3 percent to 0.50 percent of Si, 0.80 percent to 1.5 percent of Mn, less than or equal to 0.01 percent of P, less than or equal to 0.0020 percent of S, less than or equal to 0.0020 percent of O, 0.0050 percent to 0.0350 percent of Ce, 4.5 percent to 5.5 percent of Cr, less than or equal to 0.035 percent of Al, 0.020 percent to 0.030 percent of V and the balance of Fe and inevitable impurities. The yield strength of the oil well pipe steel is larger than or equal to 580 MPa. The economical corrosion-resistant 5Cr80 rare earth oil well pipe steel which is low in cost and free of a Mo-Ni component system is used for replacing a traditional high-alloy pipe in a harsh oil and gas well environment containing high Cl <-> and CO2, and the economical corrosion-resistant 5Cr80 rare earth oil well pipe steel is suitable for batch production of corrosion-resistant oil well pipes of deep wells, ultra-deep wells and sulfur-containing and CO2-containing complex working conditions.

The invention relates to the technical field of industrial automation and intelligent manufacturing, and discloses a flexible packaging forming system and method based on a modular station robot, and the system comprises a central control module, a station robot module, a flexible material conveying module and a distributed intelligent detection module. The station robot module integrates functional units such as gluing, positioning and attaching, edge folding and frame erecting, foam scraping and flattening, precise gluing and assembling and cleaning. The method comprises the following steps: the central control module analyzes an order into a control instruction; the flexible material transmission module establishes a dynamic logistics network according to the instruction; the station robot module executes a full-process automatic forming process based on force control, visual compensation and impedance control algorithms; and the intelligent detection module feeds back quality data in real time to realize closed-loop correction. The problems that a traditional rigid production line is difficult to adapt to multi-variety small-batch production, the key process precision is insufficient, and accessory assembly depends on manual work are solved, and the flexibility level and the yield of packaging production are improved.

The invention discloses a steel bar for an ecological electric furnace automobile speed reducer and a preparation method of the steel bar. The steel bar comprises, by mass, 0.18%-0.22% of C, 0.17%-0.37% of Si, 0.90%-1.20% of Mn, smaller than or equal to 0.015% of P, smaller than or equal to 0.007% of S, 1.10%-1.40% of Cr, smaller than or equal to 0.30% of Ni, 0.20%-0.30% of Mo, 0.15%-0.20% of V, smaller than or equal to 0.20% of Cu and the balance iron and inevitable impurities. The steel bar for the automobile speed reducer is produced by combining ecological electric furnace smelting, LF, RH, continuous casting and rolling processes with reasonable component design, the high-end use requirement is met, and the breakthrough of batch production of the steel bar for the automobile speed reducer in the ecological electric furnace continuous casting process is achieved.

The application relates to the technical field of metal casting, and discloses a directional solidification casting equipment for low-internal-stress aluminum alloy complex structures, which comprises a heat preservation furnace, a rotary casting assembly, an infiltration temperature control assembly and a forming die. The casting equipment is provided with the rotary casting assembly and the forming die on a rotary table, the rotary table rotates at different rotating speeds to provide controllable centrifugal force, metal liquid is infiltrated and cast on the forming die in the anti-gravity mode under the action of the centrifugal force, the infiltration speed and pressure can be adjusted by changing the centrifugal force, the limitation of workpiece size in negative pressure casting is broken, and the anti-gravity casting of complex structure workpieces is facilitated, the equipment can simultaneously synchronously cast multiple molds, each process parameter is convenient to uniformly control, the quality consistency is ensured, the problem that continuous carbon fiber reinforced aluminum matrix composite materials are difficult to mass produce is solved, and the production efficiency is improved.

The invention discloses a shell for a rocket power device and a machining method, and the machining method of the shell comprises the steps that a mandrel is arranged, a foaming core mold is manufactured on the periphery of the mandrel, and the shape of the outer surface of the foaming core mold is the same as that of the inner surface of the shell to be machined; winding a shell material on the outer surface of the foaming core mold to form a shell on the surface of the foaming core mold; and the core shaft is removed, and the foaming core mold in the shell is removed. According to the shell machining method, the core mold blank is formed at a time through foaming injection molding with the core shaft as the standard, the core mold is removed after the shell is formed in the shell material winding machining mode, the machining mode is higher in efficiency and suitable for batch production, and the technical problems that in the related technology, the core mold is large in weight and high in cost are solved.

The invention relates to the technical field of stainless steel pipe production, and provides a stainless steel seamless steel pipe production process which comprises the following steps: step 1, raw material pretreatment: selecting a stainless steel pipe blank conforming to specifications, detecting internal defects through ultrasonic flaw detection, and cleaning the surface of the pipe blank by adopting a shot blasting machine; 2, tube blank heating, wherein the tube blank in the step 1 is placed in a medium-frequency induction heating furnace to be heated; thirdly, hot extrusion forming is conducted, specifically, the pipe blank in the second step is placed in an extruding machine with an annular die head, and an initial seamless steel pipe is formed; and 4, on-line solid solution treatment is conducted, specifically, the steel pipe in the step 3 is fed into a continuous solid solution furnace to be subjected to heat preservation for 30-60 seconds. By means of the multi-link collaborative optimization production technology, high-quality batch production of the stainless steel seamless steel pipe and flaw detection and surface cleaning in the raw material pretreatment stage are achieved, the pipe blank quality is guaranteed, sectional type heating and precise temperature control hot extrusion forming are achieved, and the structural integrity of the initial steel pipe is guaranteed.

The invention relates to an ALC (autoclaved lightweight concrete) and other lightweight board structure suitable for various pipelines without slotting and quick installation and a construction technology. The structure consists of an ALC standard type (3), an ALC switch box type (9), cavities (2) and (5) reserved in the board, a reserved body (8), cavities (1) and (4) reserved at the upper part and the lower part of the board, and a fixed point (19); various plate body structures have universality, and after a manufacturer is authorized, batch production can be achieved like production of ALC plates in the prior art; the method is suitable for construction of inner partition walls and outer maintenance walls of fabricated buildings and traditional buildings; by the adoption of the construction technology, the influence of whether the position of a reserved pipe of an original structure is accurate or not, design change, field adjustment and the like can be avoided, a pipeline, a switch, a socket, a strong and weak current switch box body, a heating device, a water supply centralized distributor and the like can be installed in the ALC plate wall without grooving, and the ALC plate wall is free of grooving, safe, free of garbage generation, environmentally friendly, capable of saving energy, convenient to construct and high in practicability. Economy is achieved, and wall cracking is avoided.

The full-coverage and full-process automatic production line comprises a feeding mechanism, a feeding cutting mechanism, a butt welding mechanism, a cold bending mechanism, a hole cutting mechanism, a transferring mechanism and a connecting plate welding mechanism, and the feeding cutting mechanism is used for cutting and chamfering the two ends of steel; the butt-joint welding mechanism is arranged between the feeding cutting mechanism and the cold bending mechanism and is used for performing butt-joint welding on the current steel and the remaining raw materials of the previous section; the cold bending mechanism carries out cold bending treatment on the steel; the hole cutting mechanism is arranged on a discharging path of the cold bending mechanism, and a guide pipe hole for loading a small guide pipe is formed in the steel; the fixed-length cutting mechanism is arranged at the output end of the hole cutting mechanism and is used for carrying out fixed-length cutting treatment; the transferring mechanism is arranged on the downstream portion of the fixed-length cutting mechanism and transfers the steel to a welding preset station, and the connecting plate welding mechanism conducts end connecting plate welding on the steel transferred in place. The automatic production line can meet the requirements of tunnel construction for steel hole sites, structural strength and batch production.

The invention relates to an electrochemical induced metal oriented growth method based on a gallium-based liquid metal substrate, and belongs to the technical field of electrochemical materials. According to the present invention, the dynamic smooth interface and the low lattice mismatch characteristic of the liquid metal are utilized, the reduction kinetics of the metal ions is regulated and controlled through the constant current mode, the high orientation degree growth of the crystal along the specific crystal face (such as Zn (002) and In (111)) is achieved, and the prepared deposited metal dominant crystal face has the high orientation degree. The problems of stress accumulation and dendritic crystals of a traditional solid substrate can be solved, and the method is suitable for green preparation of nanowire arrays and functional coatings; and the process is simple and convenient to operate, easy in control of process parameters and suitable for batch production.

The present invention discloses a rolling method for starting rolling of raw plates of non-oriented silicon steel with a silicon-aluminum content of 3.5-5% by threading the strip on a UCMW continuous rolling mill. The present invention adopts a method of starting rolling by pressing down in succession, which is different from the traditional method of starting rolling by pressing down in succession on 5 stands at the same time. It reasonably sets the appropriate rolling process for stands 1 to 5#, which can effectively improve the starting success rate of raw plates of non-oriented silicon steel with a silicon-aluminum content of 3.5-5%, and quickly resume production after the strip breaks during rolling. By using the method of the present invention to start rolling by threading the raw plates, the difficulty of non-steady-state rolling of each stand can be greatly reduced, the fluctuation of the rolling force and tension of each stand can be reduced, and the strip breaks during rolling can be avoided, providing the prerequisite for the UCMW cold continuous rolling mill to mass-produce high-grade non-oriented silicon steel with a silicon-aluminum alloy content of 3.5-5%.

The invention provides a split type motor stator core and a splicing method thereof, and relates to the technical field of motor manufacturing. The split type motor stator iron core comprises a whole circle stator iron core, the whole circle stator iron core is composed of a plurality of stator iron core split structures which can be mutually spliced into a whole circle, a buckle sheet is assembled on the end face of each stator iron core split structure, and each stator iron core split structure comprises a plurality of stator split punching sheets. The plurality of stator split punching sheets are provided with independent insulation sleeves. The whole punching sheet is changed into a plurality of split punching sheets with the same size, so that material waste caused by inner hole blanking is reduced, the material utilization rate is improved, the production cost is reduced, the size of the split punching sheets is small, the required punching force is greatly reduced, batch production can be performed by adopting a small-tonnage high-speed punching machine, the equipment cost and energy consumption are reduced, and the production efficiency is improved. And meanwhile, the production efficiency is improved.

A piezoelectric Micro-Electro-Mechanical Systems (MEMS) resonator employs a thin-film piezoelectric layer as an anchor, which eliminates a dominant loss source, anchor loss, which stems from the irreversible mechanical energy radiation through the anchors. By implementing fundamental or higher-order thickness Lame modes (TLMs) in the thickness direction, the piezoelectric resonator exhibits a substantial reduction of thermoelastic damping (TED) and increase of anchor quality factor. The piezoelectric resonator also provides temperature stability by utilizing a substrate with a turnover temperature, minimizing deviation on resonance frequency. This approach enables the use of thin-film piezoelectric materials as anchors, which can be precisely controlled to minimize losses. The piezoelectric resonator's compact design and CMOS-compatibility make it suitable for batch production at a minimal cost per unit. Furthermore, the highly frequency-stable temperature point of the piezoelectric resonator can be used for implementing oven-controlled oscillators for ultra-stable clock generation in various applications.

The invention provides near-infrared adjustable double-perovskite type mechanoluminescence fluorescent powder as well as a preparation method and application of the near-infrared adjustable double-perovskite type mechanoluminescence fluorescent powder. The expression general formula of the double perovskite type mechanoluminescence fluorescent powder is Sr2M1-xSbO6: xCr < 3 + >, wherein M is Al, Ga, Sc, In or Y; x is equal to 1%-7%. The preparation process of the fluorescent powder comprises the following steps: a, weighing strontium carbonate, an oxide of M, antimony pentoxide and chromium sesquioxide according to the element proportion in the chemical general formula Sr2M1-xSbO6: xCr < 3 + >; b, mixing the weighed raw materials, and uniformly grinding to obtain a mixture; and c, carrying out high-temperature calcination on the obtained mixture to obtain the near-infrared adjustable double perovskite type mechanoluminescence fluorescent powder. By regulating and controlling the components of the substrate, the emission main peak can be adjusted from 780nm to 946nm. The fluorescent powder provided by the invention can show a self-recovery near-infrared stress luminescence characteristic without pre-irradiation under continuous stress stimulation, is simple to prepare and convenient for industrial batch production, and has a wide application prospect.

The utility model relates to the technical field of microfluidics, and discloses a multi-stage micro-fluidic chip, which at least comprises a first-stage collision fluid channel and a second-stage collision fluid channel, and a mixing channel of the upper-stage fluid channel is arranged as a premixing fluid channel of the lower-stage fluid channel; the first-stage collision fluid channel comprises a first premixed fluid channel and a second premixed fluid channel, a first-stage fluid collision channel is arranged between the first premixed fluid channel and the second premixed fluid channel, and the first-stage fluid collision channel enters the second-stage premixed fluid channel after collision; a second-stage fluid collision channel is arranged between the third premixing fluid channel and the fourth premixing fluid channel, and the second-stage fluid collision channel enters the mixing channel after collision. The multi-stage micro-fluidic chip has the advantages of high mixing efficiency, low shear damage, easiness in integrated packaging and batch manufacturing and the like, and the micro-fluid mixing performance and the system practicability are remarkably improved.

The invention relates to the technical field of hydraulic cylinder assembly, in particular to a working table for hydraulic cylinder assembly, which comprises a base table, a cross plate is rotatably mounted in the middle of the upper end face of the base table, a plurality of placing barrels for placing cylinder barrels during hydraulic cylinder assembly are arranged on the upper end face of the cross plate, and a side plate is fixedly mounted on one side of the base table. Through rotation of the cross plate, the multiple cylinder barrels can be conveniently subjected to transposition, continuous assembling between the multiple cylinder barrels and the hydraulic rod is facilitated, and therefore the working efficiency during hydraulic cylinder assembling is improved, batch production operation is facilitated, the lifting frame is driven to move downwards through starting of the electric sliding block, and the working efficiency is improved. When the lifting frame moves downwards, the hydraulic rod and the cylinder barrel can be installed in a butt joint mode, the rubber ring can be tightened through the arrangement of the multiple abutting plates, the inner wall of the tightened and unfolded rubber ring can be evenly sprayed with hydraulic oil through the arrangement of the spraying head, and therefore the rubber ring can be installed outside the hydraulic rod after oil coating operation is completed.

The utility model provides forming equipment of a bamboo fork and spoon production line, which comprises a third rack, two groups of conveying chains which are oppositely arranged and are mounted on the third rack, positioning devices positioned on the inner sides of the two groups of conveying chains, guide frames positioned at the two ends of the third rack, and a forming device connected to the third rack, the third rack is connected with a conveying frame used for installing a conveying chain, a shielding plate located below the conveying chain is arranged at an opening of the conveying frame, the positioning device comprises a positioning frame and a driving mechanism driving the positioning frame to move up and down, and a plurality of positioning grooves formed at intervals are formed in the two ends of the top of the positioning frame. A communicating opening corresponding to the top edge of the positioning frame is formed in the shielding plate, and the forming device comprises a steam plate, a forming mold, a truss, a suction cup assembly and a finished product conveying belt. The device can be produced in batches, is high in production efficiency, does not need excessive manual intervention, and is accurate in positioning.

The invention relates to a surface type correction and processing method of an aspherical lens, which comprises the following steps of: changing a radial point location of a polishing disk participating in cutting by adopting a rotary polishing disk and lens tangent layout and through three-axis linkage of numerical control X-axis radial feeding, numerical control B-axis swinging and Z-axis approaching movement, and forming differentiation by utilizing the linear velocity gradient of the disk to remove redundant materials of the lens; and surface shape error differential correction is realized. According to the method, the polishing head does not need to be frequently replaced, over-polishing / under-polishing of traditional air bag polishing is eliminated, and the single-piece machining time is shortened; an air bag structure is omitted, the service life of consumables is prolonged, and batch fluctuation is reduced; accumulative errors are reduced through three-axis linkage, and medium-high frequency ring belt errors are restrained. The matched processing method comprises the steps of initial forming, detection, planning, correction and the like, can be quickly adapted to lenses of multiple specifications, and efficiently completes high-precision batch manufacturing of medium and large-caliber aspheric surfaces.

The invention relates to the technical field of PE bag moving, and discloses a PE bag progressive increase type bag moving mechanism which comprises an upper rack and a lower rack, a linkage bag moving mechanism is arranged on the outer side of the lower rack, a driving assembly is arranged between the linkage bag moving mechanism and the upper rack, and a middle swing rod assembly is arranged on the upper side of the end, away from the driving assembly, of the lower rack. A middle driving rod is arranged between the middle swing rod assembly and the linkage bag moving mechanism, a first inner cross beam and a second inner cross beam are fixedly installed on the inner side of the lower rack in the axis direction, and a front clamping unit, a middle clamping unit and a sealing unit are sequentially distributed on the inner side of the lower rack in the axis direction. According to the progressive increase type bag moving mechanism for the PE bags, the linkage bag moving mechanism driven by the gear motor and the middle swing rod assembly form cooperative action and are matched with ordered connection of the front clamping unit and the middle clamping unit, automatic circulation of grabbing, transferring, clamping and transplanting is constructed, the production efficiency is improved, and the requirement for industrial batch production is met.

The invention provides a method for machining a slotted hole by using a milling cutter, and relates to the technical field of PCB (Printed Circuit Board) machining, and the method comprises the following steps: determining slotted hole design parameters, selecting a matched hard alloy forming milling cutter according to a milling cutter specification experiment table verified by a large number of experiments, accurately calibrating a machining initial position through a CCD (Charge Coupled Device) visual positioning system, and adopting a milling cutter one-time drilling forming process. The method comprises the following steps: continuously cutting by matching with optimized cutting parameters, monitoring a cutting state in real time in a machining process, carrying out multi-dimensional detection on a slotted hole angle, surface flatness and dimensional precision after machining, adjusting parameters by referring to an error recording table when the slotted hole is unqualified, and carrying out re-machining through milling cutter structure optimization, a one-time forming process and standardized parameter matching. According to the invention, the defects of the traditional process are effectively eliminated, the processing specification is unified, the production efficiency and the product percent of pass are improved, the batch production requirements of high-precision PCB products are met, and the technical problems of large slot angle, concave-convex cutting points, uneven quality and the like in the traditional slot cutter processing are solved.