708 results about "Processing cost" patented technology

The utility model discloses a middle frame structure convenient to form, which belongs to the technical field of manufacturing process of middle frame structures of portable intelligent equipment and comprises a middle plate forming part, a frame forming part and an auxiliary forming part. At least two frame forming parts are arranged around the periphery of the middle plate forming part, and the inner side face of each frame forming part is connected with the edge face of the middle plate forming part; the auxiliary forming parts are distributed in the middle plate forming part, on the inner side of the frame forming part and between the middle plate forming part and the frame forming part. According to the manufacturing process of the mobile phone middle frame, the technical problems of low-end products, limited process, high processing cost, unstable quality and the like in the prior art are solved.

The invention belongs to the field of workshop scheduling, and particularly discloses a hybrid flow workshop dynamic scheduling method and system considering machine predictive maintenance, and the method comprises the steps: taking the minimization of total completion time, maintenance cost and processing cost as the target, building a hybrid flow workshop scheduling problem as a multi-target joint optimization model, and carrying out the optimization of the multi-target joint optimization model; setting intelligent agents with the same number as the processing stages, and constructing a Markov decision process; each agent has an independent scheduling network, including a workpiece scheduling network and a machine scheduling network; based on a Markov decision process, training an intelligent agent, maintaining a workshop at an operation and maintenance point, and respectively calling a workpiece scheduling network and a machine scheduling network at a scheduling point to select workpieces and machines; and after training is completed, workshop dynamic scheduling is realized based on the trained intelligent agent. According to the method, the problem of hybrid flow shop dynamic scheduling considering machine predictive maintenance is effectively solved through workshop scheduling integrating machine operation and maintenance, and the method has good dynamics and adaptivity.

To provide a centrifugal compressor which can reduce a processing cost while suppressing reduction in efficiency due to power loss while reducing a flow rate of a surge point flow.SOLUTION: In a centrifugal compressor of the present disclosure, a casing includes an inflow passage in which a fluid flows, a discharge passage, and an impeller storing part which stores an impeller and has a facing face forming an outer passage extending in one axial direction from an upstream end of the discharge passage along with a cover. The inflow passage includes a limit point at a position where a center angle of an arc of a chip-side flat face from a reference point toward a downstream side is 30°. The casing includes a circulation passage which communicates a region between a plurality of blades and the inflow passage, and communicates with an end part on one axial direction side of the outer passage. An inlet-side opening on the impeller side of the circulation passage is positioned at a boundary between an upstream end face of the cover and the casing. An outlet-side opening on the inflow passage side of the circulation passage is positioned on an upstream side from the limit point.SELECTED DRAWING: Figure 2

The utility model relates to a universal forming die which comprises an upper die base, a lower supporting plate and a lower die plate, the upper die base corresponds to the lower die plate in an up-down mode, the lower die plate is fixedly arranged on the lower supporting plate through a raising block, and an upper male die is arranged in the center of the bottom of the upper die base. A spring seat is arranged in the center of the top of the lower supporting plate; a female die frame is arranged at the top of the base plate, a female die insert is embedded in the female die frame, a cavity is formed in the top of the female die insert, a lifting groove is formed in the center of the cavity, and a vertically-through limiting groove is formed in the center of the bottom of the female die frame. Pressing plates in up-down sliding fit with the lifting grooves and the limiting grooves are arranged in the lifting grooves and the limiting grooves. The universal forming die is simple in structure, the upper male die and the female die insert can be flexibly replaced according to the size and shape requirements of products, the die frame is high in universality, the research, development and use cost of the die is saved, and the machining cost is saved; and in addition, the stamping part can be well demoulded through the pressing plate capable of moving up and down, and the machining efficiency is improved.

A universal threshold beam loading and unloading carrier comprises a positioning mechanism arranged on a base frame, the positioning mechanism comprises a first supporting frame, a second supporting frame, a third supporting frame, a fourth supporting frame, a first pressing frame and a second pressing frame, the first supporting frame, the second supporting frame, the third supporting frame and the fourth supporting frame are identical in structure, and each supporting frame comprises a first support and a linkage block which are installed on the base frame. A plurality of supporting blocks are hinged in the height direction at intervals, limiting rods are arranged below the inward ends of the corresponding supporting blocks, linkage blocks are arranged between every two adjacent supporting blocks, the lower ends of the linkage blocks are hinged to the outward ends of the supporting blocks on the lower layer, and limiting grooves are formed in the upper ends of the linkage blocks and hinged to the outward ends of the supporting blocks on the upper layer. Each pressing frame comprises a second support installed on the machine frame, the second supports vertically extend upwards, a plurality of pressing blocks are arranged in the height direction at intervals, and the extending ends of the pressing blocks are elastic sections. The automatic loading and unloading device is simple in structure and low in machining cost, can automatically load and unload a plurality of threshold beams, is suitable for the threshold beams of multiple specifications, and meets the transportation requirements of logistics enterprises.

According to the auxiliary positioning clamp for milling the exhaust manifold, an inclined positioning supporting device is arranged on the right side of the upper end face of a bottom plate, and when the inclined positioning supporting device is connected with a flange at the lower end of a middle pipe of the exhaust manifold in a matched mode, an upper end pipe of the exhaust manifold is in a horizontal state, and a pipe opening in the elbow end of the upper end of the exhaust manifold is parallel to the corresponding side wall face of the bottom plate; the left side of the upper end face of the bottom plate is provided with a positioning and supporting assembly used for supporting the elbow end of the upper end of the exhaust manifold and determining the center position of a pipe opening, and the positioning and supporting assembly is matched with a pressing assembly arranged on the upper end face of the bottom plate to fixedly support the elbow end of the upper end of the exhaust manifold on the bottom plate. Initial positioning conditions are provided for the center of a pipe opening of the upper end pipe of the exhaust manifold, reliable supporting and fixing of the exhaust manifold on the bottom plate are achieved, the defect that a traditional clamp is high in requirement for machining equipment is overcome, machining cost is reduced, the exhaust manifold can be accurately and rapidly positioned and clamped, production cost is reduced, and the machining efficiency is improved. Equipment limitation is eliminated, and the production requirements of parts are met.

The utility model discloses an inner bag contraction bottle which comprises an outer bottle body, an inner bag is arranged in the outer bottle body, the opening side of the inner bag is pressed and fixed by a vacuum pump fixed at the position of a bottle opening of the outer bottle body, and the bottom of the outer bottle body is provided with a ventilation gap formed by multi-layer co-extrusion blow molding edge clamping of an inner bag material layer and an outer bottle body material layer which are not mutually fused at the joint. According to the inner bag shrinking bottle, the connecting positions of the inner bag material layer and the outer bottle body material layer are not fused, the ventilation gap can be formed at the bottom of the outer bottle body of the inner bag shrinking bottle through direct blow molding, the vacuum pump for pressing the opening of the inner bag at the bottle opening is matched, and the inner bag can be shrunk by directly pressing the vacuum pump; the inner bag shrinkage bottle can also prevent air from entering the inner bag, reduces the residual quantity of slurry products, and is convenient to process and low in processing cost.

The invention discloses a raw material screening device for spicy seasoning processing, and relates to the technical field of raw material screening, the raw material screening device comprises a shell, a screening assembly, a material receiving assembly, a material blocking assembly and a discharging assembly, the top of the shell is provided with a top cover, the top of the top cover is fixedly connected with a first motor, and the output end of the first motor penetrates through the top cover and extends to the lower side. Raw materials are rotated at the plane position of the rotating disc to achieve multi-stage screening, the whole structure of the device is compact, the occupied space is small, the vibration mechanism composed of the second motor, the second rotating shaft and the eccentric wheel is installed at the position of the blocking cover, the vibration mechanism can conduct vibration treatment on an outer frame at the current screening position, and the screening efficiency is improved. The vibrating force can accurately act on the screening position of raw materials, the screening efficiency is improved, the acting range of the vibrating force is small, a motor with small power can be used, and the machining cost is saved.

The utility model relates to an additive and subtractive composite double-spindle multi-spindle vertical processing machine tool, belongs to the technical field of processing equipment, solves the problem of loading and unloading errors caused by replacement of different processing equipment when parts with complex structures cannot be processed in the prior art, and improves the processing efficiency on the basis of ensuring the processing quality. And the part machining production efficiency is improved, and the machining cost is reduced. The vertical machining tool comprises a tool body frame, a rotary workbench, a three-axis movement assembly and a five-axis movement assembly. The three-axis movement assembly comprises a machine tool additive machining main shaft. The five-axis movement assembly comprises a machine tool material reduction main shaft. The axes of the three-axis movement assembly and the five-axis movement assembly are perpendicular to the table top of the rotary workbench. The machining machine tool can meet the requirement for additive machining and subtractive machining of parts, two machining modes can be freely switched, and repeated clamping and positioning are not needed; in addition, the machine tool is of a totally-closed symmetrical structure and has high rigidity and high stability.

The invention relates to a production line for machining channel steel of an outer gantry of a forklift. The channel steel is provided with a notch, a roller mounting hole and a connecting hole. The production line comprises a first machining center, a feeding station, a first steering workbench, an information display system, a second machining center, a discharging station, a second steering workbench and a flame cutting station, the production line integrates multiple devices on one line, and machining of notches, roller mounting holes and connecting holes of outer portal channel steel can be completed on the production line; and the automation degree is high, the machining speed can be effectively increased, meanwhile, the labor cost is reduced, the machining cost is saved, meanwhile, the use cost of a user is reduced, and the use experience is improved. The production method of the production line for processing the outer portal frame channel steel of the forklift also has the advantages of improving the processing efficiency and reducing the processing cost. The production line comprises a production line body used for forklift outer portal frame channel steel machining and further comprises a middle inner portal frame channel steel machining production line.

The invention belongs to the technical field of aluminum alloy production, and particularly discloses a method for producing 3003ZNZR alloy blank in a low-carbon and environment-friendly mode through composite brazing waste, composite brazing secondary aluminum waste is used for production in a large proportion, the rolling temperature of a cast plate is strictly controlled by optimizing alloy components and a three-pass continuous rolling process, and three-pass rolling production of a thinned blank is achieved; compared with a fusion casting and hot rolling production method, the production method has the advantages that the working procedures are greatly reduced, the production cost is much lower, the thickness of a finished blank is reduced, subsequent cold and foil rolling calendering processing is facilitated, and the production cost can be greatly reduced.

The utility model discloses a threading tool with a tool bit convenient to replace. The threaded cutter comprises a cutter handle and a threaded blade installed on the cutter handle. The cutter handle comprises a connecting shell fixed to the outside and a fixing piece installed at one end of the connecting shell. The threaded blade comprises a drill bit body and a drilling section arranged on the drill bit body, and a connecting assembly used for pushing the threaded blade is arranged on the cutter handle. The connecting assembly comprises a pushing assembly installed on the connecting shell, the pushing assembly can be used for moving the drill bit body, the connecting assembly further comprises a driving assembly installed on the connecting shell, and the driving assembly can drive the pushing assembly to move; the end, away from the connecting shell, of the fixing piece and the end, away from the drilling section, of the drill bit body are provided with clamping assemblies. The utility model has the advantages that the threaded blade can be quickly replaced, the overall service life is long, and the processing cost is reduced.

The invention discloses an integrated steel rolling profile which is of a closed structure which is formed by multiple times of cold roll forming of a steel plate and comprises three closed rectangular cavities, and the closed structure comprises a first cavity, a second cavity and a third cavity. The first cavity and the second cavity are formed by bending the two ends of a plate, and a pair of vertex angles of the first cavity and the second cavity are fixedly connected through a first welding spot. The third cavity is formed by bending the middle of the plate, and a boundary beam shared by the two cavities is arranged between the first cavity and the third cavity, and a boundary beam shared by the two cavities is arranged between the second cavity and the third cavity; the outer edge surfaces of the rolling profile are all planes, so that the rolling profile has sufficient rigidity, strength and bending resistance, and is reasonable in structural design and low in material consumption. The invention further provides a machining method of the rolled profile, the machining efficiency is high, and the machining cost is low. The invention further discloses a battery shell using the integrated steel rolling profile, and the battery shell has the advantages of light weight, high strength, high production efficiency, flexible design and the like.

The application provides a plastic part water gap punching machine realizing double-material synchronous separation, which comprises a base plate, a workbench, a feeding rack, a limiting baffle, a driving mechanism, a grabbing mechanism, a punching mechanism, a connecting mechanism and a material placing die. When the device is used, the bottom plastic part on the feeding rack is pushed to a predetermined position through the driving mechanism, meanwhile, the plastic part is limited through the limiting baffle, the un-punched plastic part and the punched plastic part are synchronously grabbed through the grabbing mechanism, the plastic part is moved in, punched and moved out through the cooperation of the punching mechanism and the connecting mechanism, the synchronous taking out of the punched plastic part and the putting in of the un-punched plastic part is realized, the overall processing efficiency of the plastic part is improved, and the moving in, punching and moving out of the plastic part are realized through one power source, so that the processing cost of the plastic part is saved.

The utility model provides a kind of precision die structure of hardware casting, its upper die component includes top plate, the mounting plate of parallel and interval installation in the below of top plate and punch cutting device;Punch cutting device includes fixed in the edge cutting template component of mounting plate bottom surface, first guide cavity with verticality has in edge cutting template component, first guide cavity is equipped with the material return plate component of elastically liftable, the center of material return plate component has vertical through second guide cavity, second guide cavity is slidably installed with punch holder, and the bottom surface of punch holder has several punch pins, and the top end is connected with oil cylinder.Precision punching process, under the drive of oil press, die is closed, and the edge cutting of hardware part is completed by edge cutting template component, then punch holder is driven to descend by oil cylinder, and each punch pin completes the edge punching of each hole of hardware part;The mode of being cut into two steps can avoid the huge die closing force of oil press to break small size punch pin, not only reduce processing cost, but also improve production efficiency.

The utility model discloses a forging imitating type sand core hub mould, which comprises a lower mould, an upper mould, a sand core piece and a base, the base is connected with the lower mould through a positioning screw, a plurality of sand core placing grooves are distributed on the lower mould, and the same mould core piece is arranged in each sand core placing groove. And the sand core piece, the lower mold and the upper mold form a complete sand core hub casting space. According to the utility model, the structural design is reasonable, the sand core piece matched with the corresponding structure of the hub is arranged and distributed, and the sand core placing groove used for installing the sand core piece is arranged in the middle of the upper die, so that the peculiar space sense of a forged wheel is achieved, one-time casting molding and subsequent simple processing can be completed, the processing cost of the hub is greatly reduced, and the product benefit is improved.

The application relates to the field of gear machining, in particular to a high-precision gear machining device and process, which comprises a workbench, a clamping fixture, a calibration assembly, a machining assembly and a transmission assembly, the clamping fixture is connected to the end face of the workbench, the transmission assembly is connected to the end face of the workbench, the machining assembly and the calibration assembly are both connected to the driving end of the transmission assembly, the calibration assembly comprises a calibration bench and a calibration table, the calibration bench is connected to the driving end of the transmission assembly, the calibration table is connected to the end face of the calibration bench, and a controller is connected between the calibration table and the transmission assembly; when the flatness of the gear end face measured by the calibration table is less than a preset value, the controller drives the transmission assembly to drive the machining assembly to approach the clamping fixture. In the application, the calibration table and the controller are arranged, separation of defective products and qualified products is realized, a worker does not need to hold a detection device to detect the flatness of the gear end face, the machining steps of gear machining are reduced, the work burden of the worker is reduced, and the machining cost of the gear is reduced.

The invention discloses a machining device and method for an annular eccentric spigot part. The machining device comprises a bottom plate, a pin is arranged in the middle of the bottom plate, the annular eccentric spigot part is arranged on the bottom plate, and the annular eccentric spigot part is connected and fastened to the bottom plate through screws. The machining device is used for positioning and aligning to machine phi D1 and phi D2 so as to guarantee the dimensional precision of the phi D1 and phi D2 and the dimensional precision of the eccentric distance L between the centers of the phi D1 and phi D2 and the center of phi D. The machining device has the advantages that the requirement for machining equipment is not high, small and medium-sized machining factories have the equipment capacity, and the machining device can be used in cooperation with existing equipment for machining. And meanwhile, the machining efficiency is high, the machining cost is low, the requirement for equipment operation skills is not high, the machining quality is easy to guarantee, and meanwhile a thought for solving problems is provided for machining of similar parts.

The utility model relates to a nut feeding mechanism which comprises a working table and a portal frame arranged on the working table, a feeding device is arranged at the position, located below the portal frame, of the working table, and the feeding device is connected with a vibration disc arranged on the working table through a linear feeder. A transversely-arranged first linear module is arranged at the position, close to the top, of the front face of the portal frame, and a second linear module is arranged on a sliding table of the first linear module; the second linear module is vertically arranged, and a material taking device fixedly connected with the second linear module is arranged on a sliding table of the second linear module. A third linear module is arranged on the side, located on the vibration disc, of the workbench, the third linear module is longitudinally arranged front and back, and a positioning carrier fixedly connected with a sliding table of the third linear module is arranged on the sliding table of the third linear module. The nut feeding mechanism is simple in structure and stable in operation, the nut feeding efficiency is improved, then the production and machining efficiency of products is improved, labor is saved, and the production and machining cost is reduced.

The utility model belongs to the technical field of machining cutters, particularly relates to a high-cutting-force ultra-fine particle tungsten steel forming cutter, and aims to solve the problems that an existing device is of an integral structure, when a cutting edge of a cutter core is abraded or damaged in the using process, the whole cutter needs to be replaced, great waste is caused, and machining cost is increased. According to the scheme, the tool comprises a tool bar, a tool bit is arranged at one end of the tool bar, and a cutting edge is spirally installed on the surface of the tool bit in a surrounding mode; the tool has the advantages that the tool is of a detachable structure, when the cutting edge of the tool bit is abraded or damaged, only the tool bit needs to be replaced, the whole tool does not need to be replaced, machining cost is reduced, tool bit replacement operation is simple, the tool bit and the tool bar can be easily separated by unscrewing the limiting bolt and rotating and moving the rotating sleeve, the tool bit can be conveniently and rapidly replaced, and machining efficiency is improved. The downtime is reduced, the production efficiency is improved, cutting contact points are increased due to the fact that the cutting edges on the tool bit are distributed in a tooth shape, and the cutting efficiency is improved.

The utility model relates to the technical field of cabin working ladders, in particular to a universal cabin working ladder, which comprises a rear ladder assembly, a front ladder assembly and an upper ladder assembly hinged with the front ladder assembly, and further comprises a group of moving wheels arranged on the rear ladder assembly, a supporting assembly is arranged between the rear ladder assembly and the upper ladder assembly; according to the working ladder, the problem that an existing working ladder for a cabin of a main battle aircraft is not universal is effectively solved, all the assemblies are formed by installing and welding aluminum profiles, and the working ladder is low in machining cost, simple in overall structure, light in weight, capable of being rapidly folded and high in operability; through rough adjustment of the supporting point and fine adjustment of the adjusting screw rod, it is guaranteed that the top stepping stick is close to the edge of the cabin, air and ground crew of different types can enter the cabin for use, and universal guarantee of multiple types of aircrafts is achieved.

The invention discloses an intelligent logistics distribution management method and system, and relates to the technical field of logistics distribution. The method comprises the following steps: constructing an information migration channel for connecting a forward logistics information management module and a reverse logistics information management module; historical return orders are collected, and an identified commodity type set with a high return rate is identified; inputting the set into a migration storage queue and traversing forward storage information to obtain a matching result; and activating the channel according to the matching type, and migrating the to-be-migrated logistics information from the forward module to the reverse module. The technical problems that in existing logistics distribution, forward logistics information and reverse logistics information are separated, returned high-incidence commodities cannot be subjected to linkage processing in advance, consequently, the return response is lagged, and the inventory and distribution resource configuration efficiency is low are solved, and the purposes that forward and reverse logistics information intelligent linkage is achieved based on historical return data, and the logistics distribution efficiency is improved are achieved. And high-return-risk commodity logistics information is migrated in advance, so that the logistics scheduling efficiency is improved, and the return processing cost is reduced.

The utility model provides a combined sizing sleeve, and relates to the technical field of pipe production, the combined sizing sleeve is provided with a supporting frame and a sizing die, the supporting frame is provided with a first flange, a second flange and a supporting rod, and the supporting rod is arranged between the first flange and the second flange; the sizing die is provided with a first die plate and a second die plate; sizing holes are formed in the first die plate and the second die plate; the first template is arranged on the first flange, and the second template is arranged on the second flange; the combined sizing sleeve is used for sizing an extruded pipe, the pipe penetrates through the sizing hole, and the sizing die is used for controlling the outer diameter of the pipe; the support frame is provided with the first template and the second template with different sizing holes, so that pipes of different models can be produced; the first mold plate and the second mold plate are both in the thick plate shape, materials are saved, the machining cost of the sizing mold can be reduced, and machining and storage are convenient.

The utility model provides a counter flow cooling and cyclone separation integrated granulating device, which relates to the technical field of cooling and separating granulating devices, and comprises a workbench and a granulating machine arranged at the top of the workbench, a feed hopper is arranged at the top of the granulating machine, a discharge pipe is arranged at the bottom of the granulating machine, a granulating device is arranged in the granulating machine, and the counter flow cooling and cyclone separation integrated granulating device is arranged in the granulating machine. A stirring assembly is installed below the granulating device, an arc-shaped filter screen is installed in the granulator and located below the stirring assembly, and a conveying device is installed on one side of the granulator through a supporting frame. According to the device, through cooperative use of an arc-shaped scraper, an arc-shaped filter screen, a second connecting pipe, a conveying pipe, a first motor, a spiral conveying blade and a first connecting pipe, unqualified particles can be prevented from being mixed with qualified particles, the uniformity and consistency of final products are guaranteed, meanwhile, raw material waste is reduced, the treatment cost of the unqualified particles is reduced, and the production efficiency is improved. And the practicability of the product is further improved.

The utility model relates to workpiece processing field, specifically disclose a kind of thread rolling feeding and discharging equipment, including installation box, still include: the first workpiece mobile placement unit of being able to extend into processing position;Second workpiece mobile placement unit can extend into processing position, first workpiece mobile placement unit and second workpiece mobile placement unit can be horizontally slid and installed on installation box;First manipulator can take and place workpiece, first manipulator can be opposite with the first workpiece mobile placement unit or second workpiece mobile placement unit located outside processing position;Second manipulator can take and place workpiece, second manipulator can be opposite with the first workpiece mobile placement unit or second workpiece mobile placement unit located outside processing position.In the scheme, first workpiece mobile placement unit and second workpiece mobile placement unit can be matched with first manipulator and second manipulator, to speed up the taking and placing cycle of workpiece, reduce the time length of single processing beat, reduce processing cost.

The utility model belongs to the field of water pumps, and particularly relates to a water pump impeller device, which comprises an impeller main body and an impeller seat, the impeller main body comprises an upper wafer, a lower wafer and a plurality of first blades, the plurality of first blades are arrayed along the circumference and are positioned between the upper wafer and the lower wafer, the lower wafer is provided with a mounting hole site in a penetrating manner, and the mounting hole site is arranged on the impeller seat. The impeller base comprises a base and a plurality of second blades circumferentially arrayed on the base, the base is in butt joint with the mounting hole positions, the second blades correspond to the first blades one to one, and the first blades and the second blades which correspond to each other are jointly spliced to form impeller blades. According to the utility model, impeller processing procedures can be simplified and processing cost can be reduced.

This invention relates to the field of IGBT module bonding processing, specifically a universal bonding device. It solves the technical problem that current IGBT module bonding devices lack universality, leading to high production costs. A universal bonding device includes a carrier plate, a fixing plate, and a shifting plate. The carrier plate has multiple vacuum adsorption holes penetrating its top and bottom. The fixing plate is fixed to the side of the carrier plate and has horizontal grooves or holes at a position higher than the upper surface of the carrier plate. The shifting plate includes two horizontally arranged, perpendicularly oriented clamping plates and a connecting section for connecting the two clamping plates, which is movably inserted into the grooves or holes. The connecting section is equipped with fasteners to fix it to the fixing plate. This invention is a universal bonding device that can be adapted to products of different sizes, effectively reducing product development costs and shortening the product development cycle. Installation and adjustment are very convenient and quick during use, and the overall structure is simple with low production costs.

The utility model discloses an ALC board buckle, including the connecting plate, the U -shaped groove is opened on the connecting plate, the U -shaped groove installs the limit block, the limit slot is opened on the limit block, the limit plate is integrally formed in the both ends of connecting plate. The utility model has the advantages that the limit slot on the limit block can limit the steel bar, then the net cage can be connected through the limit plate, welding is not needed, work efficiency is improved, the net cage is connected using metal material, reduces the potential safety hazard, the connecting rod on the limit block is connected with the connecting plate through the hot melt mode, and then the processing cost of the buckle can be reduced, and the processing efficiency is improved.

The invention relates to the technical field of foreign unit entrusted processing management, and discloses a foreign unit entrusted processing cost calculation method based on a labor-to-material ratio, and the method comprises the following steps: 1, building a cooperative unit directory and a contact information manual; 2, constructing a partner technology strength assessment index system and a risk assessment model; step 3, formulating a classification standard of the machined part; 4, determining a labor-material ratio coefficient, and calculating the processing cost by adopting the coefficient according to a classification result; 5, signing a one-year standardized contract; and 6, constructing a machined part quality evaluation model. According to the outsourcing processing cost calculation method based on the labor-material ratio and the dynamic management system, a partner management module establishes a classification ranking directory and a quantitative evaluation model in advance to lock a preferential partner, and a processing part classification module rapidly outputs a classification result through automatic detection and a classification model. The contract module provides a standardized template to realize rapid signing, and all the modules cooperate to omit dispersed drawing audit and bid invitation links.

The application discloses a forming method for concave thin plate corrugated stainless steel parts, which comprises die assembling, stamping buffer layer laying, stamping preforming, stamping forming and shearing correction. By using the forming method, the existing punch is used, in the stamping preforming process, the stamping buffer layer is laid, the step-by-step pressing mode is adopted, the stamping buffer layer can control the material flow problem, so that the material uniformity is achieved; in the stamping forming, the die is replaced, and the one-time pressing forming is adopted, which can effectively solve the technical problem that the boundary of the corrugated area is prone to wrinkling, and can improve the forming efficiency, so as to improve the qualified rate of part forming, ensure the product forming quality, greatly reduce the processing cost, and be applied to the processing of the parts prone to wrinkling, and is convenient to operate and suitable for popularization and application.