178results about How to "Shorten the processing cycle" patented technology

A needle bed leveling device, relating to the technical field of needle bed leveling devices, includes a support frame. A servo motor is mounted on the upper end of the support frame. A lead screw is mounted on the output shaft of the servo motor via a coupling. An upper needle bed pressure plate is fixedly mounted on the bottom of the lead screw. A needle bed is mounted on the bottom of the upper needle bed pressure plate. A thick silicone plate is disposed below the needle bed. Positioning components for clamping and fixing the thick silicone plate are provided on both sides of the upper needle bed pressure plate. A lower needle bed pressure plate is disposed at the lower end of the support frame. This solution ensures that electronic components fixed on the thick silicone plate protrude at the same height, thereby ensuring that the silver plating thickness at the ends is basically consistent and improving the quality of the electronic components after silver plating.

The invention discloses an automatic material nail removing device for a groove type commutator and a using method, and the device comprises a machine table, a main shaft box is arranged on the upper side of the machine table, a feeding sliding table module is installed on the opposite side of the main shaft box, a commutator feeding vibration disc is installed on the front side of the machine table, and a commutator conveying line assembly in butt joint with the commutator feeding vibration disc is installed on the machine table; a feeding manipulator module and a discharging module which synchronously and transversely move are arranged on the feeding sliding table module in a driving mode, an XY-axis bidirectional sliding table assembly is installed on the rear side of the machine table, a cutting tool is installed on the XY-axis bidirectional sliding table assembly, and a material receiving component corresponding to the discharging module is arranged on the side portion of the spindle box. An unloading conveying belt is mounted on the machine table below the receiving part; and the feeding manipulator module is used for putting a groove-shaped commutator on the commutator conveying line assembly into a main shaft chuck on the main shaft box. According to the invention, various technical problems generated by adopting a manual processing mode at present can be solved.

The utility model discloses a multifunctional milling cutter integrating milling and double-sided chamfering. The multifunctional milling cutter consists of a profiling cutter part, a milling cutter part and a cutter handle part, the profiling cutter part is connected with the milling cutter part, and the milling cutter part is connected with the cutter handle part; the diameter of the milling cutter part is slightly smaller than that of the cutter handle part which can be matched with the milling cutter chuck; the diameter of the milling cutter part is the same as that of the bottom of the profiling cutter part; the profiling cutter part comprises a profiling cutter part blade and a profiling cutter part chip groove; the milling cutter part comprises a milling cutter part blade and a milling cutter part chip groove; the number of the profiling cutter part blades, the profiling cutter part chip grooves, the milling cutter part blades and the milling cutter part chip grooves is four. And the profiling cutter part chip removal groove is continuous with the milling cutter part chip removal groove. One-time forming can be achieved, chamfers on the two sides are consistent in size, machining efficiency is improved, cost is reduced, and the machining method is suitable for machining of various production part flanges; the problem that the number of tool positions of the tool turret of the numerical control lathe is insufficient can be solved, the machining period is shortened, and the method plays an important role in reducing process cost and improving energy and efficiency for enterprises.

This invention belongs to the field of aerospace structural component manufacturing technology, specifically relating to an arc-shaped cap and its integrated bending forming method and application. The integrated bending forming method includes the following steps: S1, blanking to obtain a cap plate blank or cap frame blank; S2, milling to machine the external dimensions and hole positions before bending, obtaining a flat, non-arc semi-finished product; S3, bending, placing the flat semi-finished product between the punch and die of a bending die, and applying pressure to press it into an arc-shaped part with a predetermined curvature; S4, stress-relieving treatment of the bent arc-shaped part to eliminate its internal residual stress; S5, shaping, bending and shaping again to stabilize its curvature shape, obtaining the final arc-shaped cap product. This invention effectively solves the problem of springback during sheet metal bending by introducing a combination of bending die design, graded pressure control, and stress-relieving and shaping processes, ensuring the accuracy of the final product's curvature and external dimensions.

A miniature flat tube rotary cutter comprises a machine table, a feeding assembly, a rotating assembly, a clamping assembly, a cutter, a pressing assembly, a first moving seat, a second moving seat, a first driving part, a second driving part and a mounting seat. The feeding assembly, the rotating assembly, the clamping assembly, the mounting base and the pressing assembly are installed on the machine table, the feeding assembly is used for conveying the miniature flat pipe, the rotating assembly is used for clamping and rotating the miniature flat pipe, the clamping assembly is used for clamping the miniature flat pipe, the cutter is used for cutting the miniature flat pipe, and the pressing assembly is used for breaking the miniature flat pipe; the first moving seat is mounted on the mounting seat in a left-right moving manner, the second moving seat is mounted on the first moving seat in an up-down moving manner, and a cutter is mounted on the second moving seat. According to the content, the mini-type flat pipe rotary cutter is provided, and the problems that in the prior art, cutting equipment usually adopts a single-face cutting mode, so that the phenomena that the cutting face is inclined, and a notch is uneven are likely to happen to the cutting face are solved.

The invention discloses double-spindle numerical control turning and milling combined machining equipment, and belongs to the technical field of numerical control milling machines, the double-spindle numerical control turning and milling combined machining equipment comprises a machine body, a driving mechanism is arranged at the upper end of a rack, the driving mechanism comprises a first movable seat, an insertion hole is formed in the first movable seat, and a synchronous connecting mechanism is slidably connected to the driving mechanism; the synchronous connecting mechanism comprises a second movable seat, a second electric push rod is installed at the upper end of the second movable seat, the output end of the second electric push rod is inserted into the inserting hole, and a first motor and a second motor are installed on the first movable seat and the second movable seat respectively. By arranging the synchronous connecting mechanism, synchronous movement of the second motor and the first motor can be achieved, meanwhile, the end and the outer surface of a workpiece are milled, the synchronous precision is high, the working efficiency is improved, after end machining is completed, linkage can be quickly relieved, independent operation of a single shaft is achieved, and the flexibility of equipment is enhanced.

This utility model discloses an indexable roughing and finishing composite corn milling cutter, comprising a cutter body, a cutter shank fixedly mounted at the end of the cutter body, three spiral stepped grooves evenly distributed around the axis on the outer side wall of the cutter body, a plurality of roughing inserts sequentially mounted on the stepped surface of the spiral stepped grooves, the foremost roughing insert protruding from the end face of the cutter body, a clearance hole provided on the spiral stepped groove, and chip removal grooves provided on both the upper and lower sides of the clearance hole; a PCD insert, fixedly mounted on the outer side wall of the cutter body on one side of the roughing inserts, and a water outlet hole provided in the middle of the cutter body along its axial direction, the water outlet hole penetrating the cutter body and the cutter shank. This utility model can solve the problems of existing milling cutters in machining subframes, such as long repetitive positioning cycle time in roughing and finishing side milling, thin wall and poor rigidity of the subframe after roughing, and easy vibration during finishing, which affect machining efficiency and product surface quality.

This invention provides a coreless stator for a high current density axial flux motor and an axial flux motor. The coreless stator of the high current density axial flux motor includes at least one stator winding layer, which includes several circumferentially spaced and independent conductive coil units. In each stator winding layer, several conductive coil units are processed on a conductive substrate using a subtractive process. Each conductive coil unit includes a planar working portion extending straight in a radial plane, an outer transition line portion connected to the outer end of the planar working portion, and an inner transition line portion connected to the inner end of the planar working portion. At least one of the outer transition line portion and the inner transition line portion is bent wholly or partially relative to the planar working portion, thereby forming a three-dimensional transition line portion. This directly releases the radial plane space occupied by the outer transition line portion and the inner transition line portion, thereby significantly increasing the radial width and total area of ​​the effective electromagnetic working area and achieving a significant improvement in torque and power density.

The application discloses a motor shell anti-deformation processing device, which comprises a base, two symmetrical punching assemblies slidingly arranged on the base, and a clamping assembly arranged between the two punching assemblies. The clamping assembly comprises two supporting frames and a clamping cylinder. One of the supporting frames is slidingly arranged on the base and connected with the telescopic end of the clamping cylinder. The supporting frame is fixed with a tension cylinder and a tension piece. The tension piece comprises a plurality of split supporting molds and a plurality of tension blocks. When the tension cylinder is driven, the split supporting molds are first expanded radially outward to form an avoiding gap between adjacent split supporting molds, and then the tension blocks are moved radially through the gap until the tension blocks and the outer walls of the split supporting molds jointly form a complete cylindrical surface and abut against the inner wall of the motor shell. When the reverse action is performed, the tension blocks are first retracted, and then the split supporting molds are contracted radially inward. The application realizes large-area rigid support on the inner wall of the shell before drilling, effectively inhibits plastic deformation around the hole, and improves processing efficiency and quality.

This utility model discloses a fixture for heat treatment of die-cast workpieces, including a fixture frame, several positioning modules, and several clamping modules. The fixture frame extends vertically upward, and both of its thickness-direction surfaces are clamping surfaces. Each clamping surface has a positioning module corresponding to a mounting hole on the workpiece to be processed, and each positioning module has a positioning part that matches the corresponding mounting hole on the workpiece. A clamping module is provided on one side of each clamping surface corresponding to any positioning module. Each clamping module includes a clamping part and a driving part. The driving part, under control, drives the clamping part to move relative to the fixture frame towards or away from its corresponding positioning part. The fixture uses a vertical placement of the workpieces, occupies a small area, and can simultaneously clamp two workpieces, shortening the processing cycle and improving processing efficiency. The clamping and positioning modules have simple structures and are detachable for replacement, making them suitable for heat treatment of various workpieces.

The application discloses a fast-axis collimating lens and an optical device with the same, and relates to the technical field of laser optical elements. The fast-axis collimating lens comprises a cylindrical base and a composite film layer arranged in sequence along the direction of incident light. The light-in surface of the cylindrical base is a plane, the light-out surface of the cylindrical base is a convex surface, and the radius of curvature of the cylindrical base is greater than 2.5 mm. The composite film layer comprises at least one high-refractive-index transmission film layer, and the refractive index of the high-refractive-index transmission film layer ranges from 1.8 to 2.4. The fast-axis collimating lens is used to realize the collimating function by the synergic design of the film layer and the base structure, the low-convexity base is matched with the high-refractive-index transmission film layer, the processing and integration are facilitated, and the optical and mechanical properties are effectively improved.

The utility model discloses an aluminum alloy door and window surface spraying homogenization equipment, it includes: support frame upper surface fixed connection has support station, and support station upper surface is rotatably connected with carousel, and carousel upper surface fixed connection has square column, and square column upper surface fixed connection has top plate, and the frame body is set between top plate and carousel, and the clamping assembly is set up on the frame body, and the multi -shaft robot is set up on support station upper surface and is provided with grabbing module, cleaning drying module, spraying module, solidification module respectively, through above -mentioned structure, the orderly link of grabbing, cleaning drying, spraying, solidification etc. process, form closed -loop assembly line operation, compared with traditional manual operation, and the processing period is shortened greatly, and the high -precision positioning and trajectory planning ability of multi -shaft robot are combined simultaneously, ensure that the coating evenly covers each place of surface, through intelligent control system realizes each module cooperation operation, and real -time monitoring spraying parameter and dynamic adjustment, guarantee product quality stability and consistency.

The application discloses a kind of laser processing system and laser processing method;The system includes feeding belt line body, rotating table mechanism, feeding swing arm transfer mechanism, first and second probe pressing mechanism, first and second laser processing position, unloading swing arm transfer mechanism and unloading variable pitch belt line body;Feeding swing arm transfer mechanism can make adjacent products relative displacement to change the spacing between adjacent products during rotating transfer;Unloading swing arm transfer mechanism can keep the arrangement direction of the product being grabbed in horizontal plane unchanged during transfer;The adjacent transmission belt module of unloading variable pitch belt line body is set with divergent included angle, so that the product gradually opens the spacing along the transverse during transmission to the front with transmission belt module to complete variable pitch unloading.The application effectively reduces the occupied space of equipment, realizes the efficient synchronous variable pitch and partition collaborative linkage processing of product.

The invention relates to the technical field of steel belt machining equipment, and particularly discloses a continuous steel belt punch forming device and a continuous steel belt punch forming process. The continuous steel belt punch forming device comprises a bottom die, a steel belt is arranged on the bottom die and does continuous feeding movement in the length direction of the bottom die, and at least one limiting structure is arranged on the bottom die and used for limiting the steel belt; the bottom die is arranged on the base so that the situation that the position of the steel belt deviates in the moving process can be avoided, and the positioning precision of the follow-up stamping process can be guaranteed. According to the continuous type steel belt punch forming device and technology, multiple procedures such as punching, notching, two-time bending, multiple-time pressing and blanking stripping are integrated in the same device, continuous feeding type machining of the steel belt is achieved, the steel belt does not need to be manually transferred among multiple pieces of equipment, the production efficiency is improved, and the production cost is reduced. The tedious operation of repeated positioning and calibration in traditional single-process machining is thoroughly avoided, the overall machining period is greatly shortened, and the production efficiency is improved.

The present application relates to turning and milling combined machining technical field, specifically to a self-adaptive adjustable double-clamping tooling for turning and milling combined machine tool machining, including base, digital display control panel, rotating transposition assembly for realizing workpiece transposition machining and two groups of symmetrical clamping toolings distributed on both sides of the rotating transposition assembly; the present application can realize automatic feeding, transposition and machining process, the feeding assembly cooperates with the second cylinder and the feeding motor, and can feed the workpieces in the feeding box one by one to the feeding assembly, the feeding assembly realizes accurate pushing of the workpieces to the clamping tooling through the third electric push rod and the second linear driving structure, and manual feeding is not needed; the two groups of symmetrical clamping toolings cooperate with the rotating transposition assembly, can realize parallel operation mode of one group machining and one group feeding, and in the feeding process, the negative pressure cleaning assembly and the diameter gauge respectively complete cleaning and precision detection of the clamping tooling, greatly shorten the machining cycle and improve the batch workpiece machining efficiency.

The utility model discloses a four-axis machine of a machining center, and relates to the technical field of four-axis machines. The machining center four-axis machine comprises a machining center, a fixing assembly and a replacing assembly, a bridge plate is arranged on the machining center, the fixing assembly is arranged on the bridge plate, the replacing assembly is arranged on the bridge plate, the replacing assembly comprises a fixing frame, sliding blocks, springs and clamping rods, and the two sets of sliding blocks are installed in the fixing frame in a sliding mode and are symmetrically distributed; a spring is fixedly installed on one side of the sliding block, a clamping rod is fixedly installed on the other side of the sliding block, and the other end of the clamping rod penetrates through the fixing frame and extends into the connecting plate. Through the arrangement of the replacement assembly, workpieces of different shapes and sizes possibly need different clamping modes and force distribution, the most suitable clamping mode can be selected according to the specific requirement of each workpiece by replacing the clamping fixing plate, and the flexibility can ensure that each workpiece can be stably and reliably clamped; and machining errors or workpiece damage caused by improper clamping are avoided.

The utility model relates to the field of molds, in particular to a film mold which comprises a mold head and a material injection seat connected to the mold head, the mold head is provided with a cavity, at least two material injection openings are formed in the end face of the mold head at intervals, a plurality of guide runners are formed in the inner walls of the material injection openings at intervals, and feeding openings are formed in the surface, facing the material injection openings, of the material injection seat in a one-to-one correspondence mode. A sizing material sequentially passes through the feeding port and the injection port and enters the cavity from the guide runner, a discharging port is formed in the end face, away from the injection base, of the die head and communicates with the cavity, and the sizing material in the cavity is extruded through the discharging port to form a film. Through the arrangement of the guide runner, sizing materials with two colors are sequentially distributed in the cavity in a staggered mode, the sizing materials in the cavity are extruded out through the discharging port to form zebra-shaped films with the two colors arranged in a staggered mode, the films do not need to be subjected to color printing coloring any more, the film processing steps are reduced, the film processing period is shortened, and the production efficiency is improved. Therefore, the processing cost of the film is reduced.

The utility model discloses a numerical control processing automatic line, including frame, portal frame, feed conveyor, waste conveyor, conveying line, take material mechanism, three -axis positioning mechanism, processing mechanism and conveying jig, conveying line and waste conveyor are in parallel set up in the frame, and the waste conveyor is located one side of conveying line, and conveying jig transmission is in conveying line, and three -axis positioning mechanism and processing mechanism are installed in the portal frame, and take material mechanism is installed in three -axis positioning mechanism and realizes three -dimensional motion through three -axis positioning mechanism, and conveying jig includes workstation, and a plurality of discharge chute are seted up in the workstation, and the discharge port of a plurality of discharge chute is located above the waste conveyor, and the workstation is installed with sectional material frame, and a plurality of fastening jigs are installed on sectional material frame, and a plurality of fastening jigs are fixed to the sample of processing. The numerical control processing automatic line through the cooperation of each component operation, realize material automation conveying, accurate positioning and efficient processing, effectively improve production efficiency and processing accuracy, reduce the artificial cost.

The utility model relates to related technical field of alloy surface processing especially, a kind of rotary alloy surface sand blasting treatment device, including processing table, the top middle part of the processing table is provided with rotating mechanism, and the top another end of the processing table is provided with sand blasting mechanism.The utility model is provided with rotating mechanism, by four groups U-shaped frame, in the processing process, four groups U-shaped frame can rotate in turn, rotate in turn and send the workpiece fixed on it to the working range of sand blasting gun, sand blasting treatment can be carried out to multiple workpieces in the same time, greatly shorten the overall processing cycle, improve production efficiency, sand blasting mechanism is in horizontal direction, electric push rod promotes movable plate to slide along first guide column horizontally, it is convenient to adjust the horizontal distance between sand blasting gun and workpiece, in vertical direction, second driving motor rotates and makes U-shaped plate slide up and down along second guide column, thereby the height of sand blasting gun is adjusted, ensure that sand blasting position is accurate.

This invention discloses a high-efficiency polishing device and method for multi-station, same-size brass rods, including a worktable; a support frame fixedly connected to the worktable, on which a polishing component is mounted; two synchronous belts fixedly connected to the worktable, located at opposite ends of the worktable; multiple arc-shaped frames fixedly connected to the synchronous belts, with retaining rings rotatably connected within each arc-shaped frame; a gear fixedly connected to the end of each retaining ring furthest from the worktable; and extension frames fixedly connected to both ends of the worktable. In this invention, by using synchronous belts in conjunction with arc-shaped frames and retaining rings, the user can place the brass rod into the retaining ring. The retaining ring then moves towards the polishing component under the drive of the synchronous belt. During this movement, the gear and rack mechanism allows the brass rod to rotate while moving horizontally, enabling more efficient polishing operations in conjunction with the polishing component.

The invention provides a milling assembly for a generator rotor processing machine tool, and relates to the technical field of generator rotor processing equipment, the milling assembly comprises a rotating disc, the middle part of the rotating disc is provided with an axis hole connected with a power shaft of the generator rotor processing machine tool, and the peripheral surface of the rotating disc is provided with a plurality of assembling grooves; the multiple machining cutter sets are sequentially arranged in the circumferential direction of the rotating disc, each machining cutter set comprises a grooving cutter clamp, a fillet cutter clamp and a polishing cutter clamp which are sequentially arranged, and the grooving cutter clamps, the fillet cutter clamps and the polishing cutter clamps are all detachably installed in the assembling grooves; and the machining cutter set is made to sequentially conduct grooving, notch chamfering and grinding on the engine rotor along with rotation of the rotating disc. According to the milling assembly for the generator rotor machining tool, the core problems that the machining process is tedious, the efficiency is low, and the precision is out of control due to multiple times of clamping are solved.

This invention discloses a highly adaptable low-temperature end-face sealing test device with pneumatically controlled parking sealing function, belonging to the field of low-temperature sealing test technology. The device includes a housing, shaft system, pneumatically controlled parking sealing assembly, front cover, rear cover, dynamic ring assembly, static ring assembly, control airflow channel, rear cover sealing adjustment pad, and front cover sealing pad. The sealing state is switched between parking and running states via pneumatic control. Through a three-bearing and two-bearing design, the axial load capacity of the shaft system is significantly improved, addressing the large axial forces caused by different large-size, high-pressure products, improving the adaptability of the device, and reducing device cost and processing cycle.

The application discloses a kind of dynamic laser cleaning methods, including front laser cleaning system, back laser cleaning system, pole piece belt conveying system and visual photographing system, the pole piece belt conveying system is provided with encoder for calculating pole piece belt walking distance and deviation sensor for sensing pole piece belt deviation position, further comprising pole piece front laser cleaning step and pole piece back laser cleaning step, the dynamic laser cleaning method of the application step is simple, can realize the laser cleaning of front and back of pole piece in the dynamic process of conveying. Dynamic operation mode, not only can greatly reduce processing cycle, but also can improve the efficient operation of production line, improve the cleaning processing efficiency of pole piece.

The utility model discloses a cooking and drying device for parboiled rice processing, which relates to the technical field of parboiled rice processing and comprises a heating seat, a rotating motor arranged on the heating seat, a connecting plate arranged at the output end of the rotating motor, two groups of trays arranged at two ends of the connecting plate, and an exhaust component and a steam component arranged on two symmetrical sides of the rotating motor. An outer frame of the material disc, an outer frame of the exhaust assembly and the side wall of the steam assembly are the same in outline. A top cover capable of being opened and closed is arranged above the steam assembly. According to the utility model, the rotating motor drives the charging trays to rotate, so that the air exhaust assembly and the steam assembly are replaced corresponding to the charging trays, the other group of cooked materials can be dried while one group of materials are cooked, and new materials can be synchronously placed in the drying process for cooking, so that the cooking efficiency is improved. Parallel and circulation of cooking and drying procedures are realized, the parboiled rice processing efficiency is greatly improved, the whole processing period is shortened, and the large-scale production requirement is met.

The utility model relates to the technical field of wiring terminal production, and discloses an automatic drawing die for wiring terminals, which comprises a die set, a drawing die set and a drawing die set, the die set comprises a male die unit and a female die unit, the male die unit comprises a main male die body, and a male die piece is arranged on the main male die body; the female die unit comprises a main female die body, and a female die piece is arranged on the main female die body. An auxiliary male die body is connected to the main male die body in a sliding mode, and a male die side cutting edge is arranged on the auxiliary male die body. An auxiliary female die body is connected to the main female die body in a sliding mode, and a female die side cutting edge is arranged on the auxiliary female die body. And the male die side cutting edge is matched with the female die side cutting edge so as to cut and discharge the wiring terminal which is formed by stretching. According to the utility model, the wiring terminal can be separated from the plate immediately after being stretched and formed, and one-time forming and separation of the wiring terminal are realized, so that additional cutting stations for separating the wiring terminal are not needed, the stations are reduced, the occupied arrangement space is reduced, the processing rhythm is slowed down, and the production efficiency of the wiring terminal is greatly improved.

The invention discloses a welding device for part machining. The welding device comprises a workbench, a clamping assembly, a welding and grinding assembly and a collecting assembly. The workbench is of a box structure, a guide frame and a threaded lead screw are arranged in the workbench, and the welding and grinding assembly is driven by a servo motor A to move. The welding and grinding assembly comprises a supporting frame, a welding assembly and a grinding mechanism which are integrally designed to achieve welding and grinding integrated operation. The clamping assembly is composed of a driving assembly, an electric telescopic rod C and a clamping mechanism, the position and angle of a workpiece can be adjusted in a multi-dimensional mode, and the clamping assembly is suitable for parts of different specifications. The collecting assembly is a drawing type drawer and is used for collecting machining scraps; and universal wheels with self-locking structures are arranged at the bottom of the workbench, so that the device is convenient to move and fix. The device solves the problems that existing equipment is single in function, poor in clamping flexibility, inconvenient to clean scraps and the like, has the advantages of being high in integration degree, high in machining efficiency, high in adaptability, convenient and fast to use and the like, and is suitable for welding machining scenes of various parts.

The application discloses a kind of food-grade silica gel triple-sealed high-precision bearings, it is related to bearing technical field, including bearing inner ring, bearing outer ring and the sealing ring of being installed in the inner side of bearing outer ring, the outer raceway both sides of bearing inner ring are equipped with one straight angle sealing groove with the cross section of 90 ° at two ends of shoulder or baffle respectively;The sealing ring includes metal framework and food-grade silica gel rubber coating integrally formed on the metal framework;The food-grade silica gel rubber coating extends towards the inner side of bearing inner ring and forms integrated three sealing lips, including two radial sealing lips with the contact of two radial side walls of the straight angle sealing groove, and one axial sealing lip with the contact of the axial bottom surface of the straight angle sealing groove.The application has the beneficial effects of material safety, no pollution, excellent sealing performance, high processing efficiency, the processing cycle is shortened by more than 40%, the leakage rate is reduced by more than 95%, and has wide application value.

This invention relates to a method for preparing capillary seamless steel tubes, comprising the following sequential steps: S100. Selecting austenitic stainless steel seamless tubes as tube blanks, the outer diameter of the tube blanks being 8mm-15mm, the wall thickness being 0.5mm-1.2mm, and the wall thickness accuracy being ±0.015mm; S200. Using a drawing machine with a long mandrel, cold-drawing the tube blanks from S100, when the deformation compression rate of a single cold drawing is 30%-75%, performing internal and external surface cleaning and solution treatment; repeating the above treatment until a capillary seamless steel tube with an outer diameter of 3.8mm-4.2mm and a wall thickness of 0.125mm-0.3mm is obtained. Drawing the billet; wherein the hardness of the long mandrel is 780HV-860HV, and the diameter accuracy of the long mandrel is ±0.005μm; S300. Using a drawing machine with a moving mandrel, the moving drawing billet obtained in S200 is cold drawn. When the deformation compression rate of a single cold drawing is 30%-75%, the inner and outer surfaces are cleaned and solution treated; repeat the above treatment to obtain a capillary seamless steel tube with an outer diameter of 0.59mm-1mm, a wall thickness of 0.05mm-0.09mm, and a wall thickness accuracy of ±0.003mm; S400. The capillary seamless steel tube obtained in S300 is subjected to external grinding treatment to obtain the final product.

The utility model discloses a multi -angle motor fan -shroud punching device relates to motor fan -shroud punching technical field, the utility model discloses a base is equipped with support frame and installation cylinder one side in the top of base, the top of support frame is equipped with hydraulic pressure rod, and the output of hydraulic pressure rod is connected with the punch -pressing disc, and the inside installation of installation cylinder has one -way screw rod, the utility model discloses when fixing to motor fan -shroud, the staff will motor fan -shroud cover on the tray, then the staff rotates two -way screw rod, and two -way screw rod rotates makes two sets of thread block opposite displacement, so that connecting rod promotes the expansion of connecting plate and rubber pad, and then makes rubber pad and the lateral wall of motor fan -shroud and reach tightly, reaches the fixed purpose of motor fan -shroud, then the staff starts hydraulic pressure rod, and hydraulic pressure rod promotes the punch -pressing disc and carries out the punch -pressing to the bottom of motor fan -shroud, reaches the purpose of motor fan -shroud heat dissipation hole punch -pressing.