341results about How to "Good size consistency" patented technology

The invention discloses a sand-line iron mould casting process for grey cast iron flywheel housings of diesel engines. In the invention, upper and lower sand-line iron mould processes are used, so that produced grey cast iron flywheel housing blanks have favorable geometric size precision which can be up to CT8 grade, favorable surface roughness which can be up to 12.5 microns and favorable mechanical properties, the blank processing has small allowance which can be controlled in 3mm, small flashing distortion which can be controlled in 0.5mm and small cleaning workload, so that the labor environment is improved, the environmental protection is improved, the yield is high and can be up to 95%, and the national policies of energy conservation, environmental protection and sustainable development are met.

The invention provides a method for manufacturing a large-curvature aluminum alloy integral wall board component. The method includes the steps that A, solution hardening is conducted on a wall board; B, the wall board obtained in the step A is arranged in a sealed environment formed by a thin film covering layer and a forming die jointly, the wall board is elastically deformed and plastically deformed in sequence under the vacuumized condition, and then the deformed wall board is obtained, wherein the temperature in the sealed environment where the wall board is located ranges from 15 DEG C to 35 DEG C, the vacuum degree ranges from -0.1 MPa to -0.05 MPa, and the treatment time ranges from 5 min to 60 min; C, in-situ creep stress relaxation aging is conducted on the deformed wall board obtained in the step B, wherein creep stress relaxation aging time is more than 2 h; D, unloading operation is conducted, and then the large-curvature aluminum alloy integral wall board component is obtained. When the method is used for manufacturing the large-curvature aluminum alloy integral wall board component, the residual stress of the product is greatly reduced, the strength of the product is improved, and the product with high forming accuracy and good performance is obtained.

The invention discloses a low-attenuation high-lighting effect LED lighting device and a preparation method thereof, and relates to a semiconductor LED lighting device and a preparation method thereof. The lighting device comprises a heat dissipation plate is equipped with an aluminum basal plate, a blue LED chip is fived on the aluminum basal plate and the outer cover of the blue LED chip is a transparent cover. The preparation process is as follows: bonding material is filled on the aluminum basal plate; the luminescent material is fixedly positioned on the bonding material of the aluminum basal plate; the bonding material is baked and dried; a gold wire is used to connect the electrode; the transparent cover material and the fluorescent powder are molded to form the transparent cover; the transparent cover is fixed on the aluminum basal plate; the aluminum basal plate is fixed on a heat-dissipating aluminum plate; the filling material is filled into the space between the aluminum basal plate and the transparent cover; the LED lighting device is baked or dried at ambient temperature; The invention can prolong the service life of the LED lighting device, and promote the luminescence efficiency and the consistency of light and color.

The invention provides a large-size high-density tungsten crucible which is mainly used for sapphire crystal growth industry, and particularly provides a preparation method for the large-size high-density tungsten crucible. The method comprises the following steps: raw materials processing, mould core manufacturing, mould setting and forming, high-temperature sintering and mechanical processing. Compared with the prior art, the produced crucible is large in size range and suitable for mass production. Moreover, no binding agent is added in the production process, and impurity content of the product is low; the finished product has the advantages of being high in density, large in size (maximal external diameter of phi 650 mm and maximal height of 800 mm), good in size adaptability and consistency, and high in yield and surface finish, can bear 2000-2300 DEG C high temperature under the protective atmosphere, and can not react with sapphire raw materials under the high temperature.

The invention relates to a method and a device for machining an inner blind hole of a perforating gun for an oil-gas well, which solve the problems of rotation instability and the like caused by long-distance power transmission required in the past. The device for machining the inner blind hole of the perforating gun for the oil-gas well, provided by the invention, comprises: (1) a drilling tool assembly and a supporting device, which are arranged on a cutter connecting rod; and (2) a vertical milling machine. During machining, a gun body of the perforating gun is assembled and clamped on a workbench of the vertical milling machine and is moved by using workbench of the vertical milling machine so as to extend the drilling tool assembly and the supporting device into the gun body of the perforating gun and make a drillbit of the drilling tool assembly located at a position at which the inner blind hole is machined; and then, an inner expansion mechanism of the supporting device is utilized to tightly lock a cutter rod and the gun body of the perforating gun to form firm support, a power transmission rod of the vertical milling machine penetrates through a pressure relief hole in the gun body of the perforating gun and is connected with the drillbit of the drilling tool assembly in an engagement manner; and the power transmission rod drives the drillbit of the drilling tool assembly to rotate and realize drilling feeding until the inner blind hole is machined completely.

The invention discloses a high-precision efficient automatic grinding and detecting production line which comprises a manipulator mechanism (s) with three degrees of freedom, a cleaning mechanism (q), a turnover mechanism (f), a detecting mechanism (j), a working table (g), a material table (w) and two grinding machines (m). The two grinding machines (w) are respectively arranged at two ends of the working table (g); the manipulator mechanism (s) with the three degrees of freedom is used for loading and unloading materials; the working table (g) is used for mounting the manipulator mechanism (s) with the three degrees of freedom, the cleaning mechanism (q), the turnover mechanism (f), the detecting mechanism (j) and the material table (w); the material table (w) is used for arranging workpieces. The invention further provides a high-precision efficient automatic grinding and detecting production method. The high-precision efficient automatic grinding and detecting production line and the high-precision efficient automatic grinding and detecting production method have the advantages that the high-precision efficient automatic grinding and detecting production line is compact in structure, material grabbing, workpiece cleaning, workpiece turnover and workpiece detecting and mounting can be carried out on the same working table, the two grinding machines can be in simultaneous working states under various actions of manipulators, and accordingly the work efficiency can be greatly improved.

The invention relates to a motor stator coil reshaping device which comprises a reshaping clamp, a driving mechanism, a transverse motion mechanism and a longitudinal motion mechanism, wherein the reshaping clamp comprises a left flange, a rolling wheel, a right flange, a fixed mandrel and a roller assembly; the right flange is fixed to the moving member of the transverse motion mechanism; the fixed mandrel is fixed on one side of the axial line of the right flange; the left flange is connected with the driving shaft of the driving mechanism; the rolling wheel is fixed on one side of the axial line of the left flange; the rolling wheel and the fixed mandrel are arranged on the same axial line; the left flange is over against the right flange; the roller assembly is fixed on the moving member of the longitudinal motion mechanism; and the roller is over against a position between the left flange and the right hand flange. Conductors in the reshaped coil are compact, can not easily loosen, and have the advantages of favorable dimensional uniformity and small degree of roundness. The invention increases the percent of pass of stator reshaping, and maximally reduces the slippage between the roller and the coil, thereby reducing the damage of the roller on the insulating layer of the coil. The invention has the advantages of simple reshaping operation, high reshaping efficiency and good product quality.

An oil pipe supporting hole punching, side turning and blanking continuous die comprises an upper die part and a lower die part. The upper die part comprises a die handle, an upper die base, a first screw, a second screw, a male die fixing plate, a hole punching male die, discharging rubber, a side turning male die assembly, a discharging plate, a blanking male die, a guiding sleeve, a discharging screw and a first cylinder pin. The lower die part comprises a second cylinder pin, a female fixing plate, a lower die base, a spring, a third screw, a guiding pin, a guiding column, a locating pin and a female die. The die is simple in structure, three processes can be carried out at the same continuously, size accuracy and production efficiency are greatly improved, and the die is suitable for part large-scale production.

The invention discloses a device and method for preparing metal microballoons by using ultrasonic surface standing waves, relates to a device and a method for preparing the metal microballoons, and aims to solve the problems that the conventional device for preparing the metal microballoons is complicated, and the size cannot be controlled flexibly. The device consists of an air storehouse and a titanium alloy casting die, a heating element, a base plate, two ultrasonic surface wave emission devices and a droplet flow control device which are positioned in the air storehouse. The method comprises the following steps of: 1, completely dissolving a metal material to obtain a metal solution, gradually dropping the metal solution on the surface of the base plate, and forming spherical metal droplets with the same size under the action of ultrasonic waves; and 2, cooling the metal microballoons by an air-cooling system until the metal microballoons are cooled to be solids, and thus obtaining the metal microballoons with the same size. By the device and the method, various metal microballoons with relatively small sizes can be prepared; the preparation process takes 1 to 2 minutes at one time, so that the production efficiency is greatly improved; and the device and the method are applied to the field of preparation of the metal microballoons.

The invention discloses a hydroforming method for manufacturing a multilayer metal sealing gasket. The method comprises the following steps of (1) material preparing: manufacturing cylindrical blanks;(2) assembly: sequentially assembling the cylindrical blank of each layer of metal sealing gasket in a sleeve mode; (3) stress relief heat treatment; (4) hydraulic bulging: machining a hydraulic bulging mold consistent with the outline of the multilayer metal sealing gasket product to form a multilayer metal sealing gasket semi-finished workpiece; (5) trimming: removing the hydraulic bulging mold; (6) shape correction: machining a shape correcting mold consistent with the outline of the multilayer metal sealing gasket semi-finished workpiece; (7) aging treatment: carrying out aging strengthentreatment on the multilayer metal sealing gasket semi-finished workpiece; (8) polishing: polishing the sealing surface of the multilayer metal sealing gasket semi-finished workpiece; and (9) cleaningand packaging: carrying out surface cleaning on the multilayer metal sealing gasket semi-finished workpiece to obtain the multilayer metal sealing gasket product. The hydroforming method for manufacturing the multilayer metal sealing gasket has the characteristics of simple and convenient operation and good product quality.

The invention discloses a machining method of a fixed starting point thread. The machining method comprises the following steps: machining an outer-diameter size of a part to a thread to be machined state; then carrying out axial tool setting and circumferential tool setting respectively; finally, machining the fixed starting point thread according to a determined tool starting point. By adopting the machining method of the fixed starting point thread, the precision of a fixed starting point position can be effectively improved, and a difficulty barrier of machining the fixed starting point thread is broken; the reliable machining quality is guaranteed, and size consistency and interchangeability are good; the machining method of the fixed starting point thread has the effect of improving the machining efficiency and the yield.

The invention discloses a combined type lightning arrester based on a disc-shaped multi-gap arc extinguishing and lightning protection device, in particular to a lightning arrester applied to overheadlines above 10KV. The structure of the invention is as follows: upper and lower connecting fittings are respectively arranged on the upper and lower parts of the insulating support rod, the upper spherical electrode is connected with the upper connecting fittings, the lower spherical electrode is connected with the lower connecting fittings, a first, second,.. N-th disk-shaped multi-gap arc extinguishing lightning protection device is serially connected between the upper connecting fittings and the lower connecting fittings, N is a natural number, 1 <= N <= 8. The lightning current is elongated, elongated and ejected to extinguish the electric arc, thereby avoiding the occurrence of inter-phase short circuit fault and reducing the counterattack probability caused by lightning strike lightning protection wire; and the lightning current is elongated, elongated and ejected. Strong ability to withstand lightning surge, large flow capacity, high security; Good consistency of discharge gapsize; Simple structure; The special multi-gap arc will not be reignited because of the rapid recovery of dielectric insulation after the power frequency continues to flow through the zero-extinguishing arc.

The invention provides a diameter size interchangeable adjustable grinding rod. The diameter size interchangeable adjustable grinding rod comprises a connecting rod, a transmission device, a first pull rod, a second pull rod, a spring bushing and a guide sleeve, wherein a first blind hole is formed in one end of the connecting rod; the first blind hole is in clearance fit with the first pull rod; one end of the first pull rod is in threaded connection with one end of the second pull rod; the guide sleeve is arranged outside the first pull rod and the second pull rod; one end of the guide sleeve is in threaded connection with the connecting rod; the other end of the guide sleeve and the other end of the second pull rod are both inserted into elastic grooves which are formed in the two end surfaces of the spring bushing along the circumferential direction; the other end of the guide sleeve is conical; the first pull rod and the second pull rod are driven to translate axially by the transmission device. The invention also provides a corresponding system. According to the diameter size interchangeable adjustable grinding rod and the system, an adjustable function that the worn diameter can be compensated during a grinding process can be realized; through an interchangeable function, the machining requirements of products with different pore diameters are met.

The invention discloses a wafer level packaging method of a light emitting diode with an adjustable lens focus. The method comprises the following steps: in a first step, etching a light emitting diode lens mould microchannel array and a spacing control mould microchannel array surrounding a light emitting diode lens mould groove on a silicon wafer, and disposing proper amount of thermal outgassing agents in a light emitting diode lens mould microchannel; in a second step, carrying out anode bonding of the silicon wafer and a borosilicate glass water in vacuum to form a sealed cavity; in a third step, carrying out heating and heat preservation on a bonding wafer in the air, forming a spherical glass micro-cavity and a spacing control projection ring, carrying out cooling and annealing, and removing silicon to obtain a light emitting diode packaging lens array; in a fourth step, pasting a light emitting diode chip on a substrate; in a fifth step, bonding a wafer level glass micro-cavity and the substrate; in a sixth step, filling up glue into a gap between a light emitting diode chip and the wafer level glass micro-cavity through a spacing control ring gap, and carrying out solidification. The method can be carried out on a wafer level, and the method has the advantages of simplicity and low cost.

A double-disc straight groove cylindrical-component surface grinding disc, includes a first grinding disc and a second grinding disc, rotating relative to each other; the the first grinding disc's working face is planar; the second grinding disc's surface, opposite the first grinding disc, includes a set of radial straight grooves, with groove faces of the straight grooves are the working face of the second grinding disc; the cross-sectional outline of the working face of the second grinding disc is arcuate or V-shaped or is a V-shape having an arc; during grinding, a workpiece spins inside the straight grooves, while under the effect of an advancing apparatus, the workpiece slides in translational motion along the straight grooves. The described grinding disc device has high-volume production capabilities, and the shape accuracy and size consistency of the cylindrical roller's cylindrical surface and the efficiency in machining are improved, and machining cost is reduced.

The invention provides a deep conical copper shaped charge liner tissue ultrafine crystallization gradient control method, which comprises the steps of extrusion shaping, re-crystallization heat treatment and high-frequency percussion, wherein in the extrusion shaping step, multi-pass extrusion is used; the high-frequency impact knocking speed is 15000 to 40000 times/minute; the knocking force is1200 to 2000 N; the times is 1 to 3 times. The control technology provided by the invention realizes the deep conical copper shaped charge liner shaping and surface quality control; the material plasticity is improved; the fine crystal tissues can be obtained; the ultrafine crystal gradient tissues distributed in the thickness direction are formed on the surface layer in the charge shaped liner. The ultrafine crystal gradient tissues distributed in the thickness direction of the charge shaped liner are obtained by using the method; the tissue distribution in the bus direction is uniform; a novel preparation method is provided for the invention of the high-performance deep conical copper shaped charge liner.

The invention provides automatic production equipment of a metal honeycomb core. The automatic production equipment comprises an edge cutting device used for cutting a metal foil to required width, a forming device used for corrugating the cut metal foil, an adhesive coating device used for coating adhesive on the corrugated metal foil, a cutting device used for cutting the adhesive-coated metal foil into unit metal foils with the required length and a stacking device used for stacking and bonding the unit metal foils to form the metal honeycomb core; and the devices are sequentially converged to form a production line. The automatic production equipment is capable of producing metal honeycomb cores automatically, manual intervention is omitted, automation is high, producing efficiency is high, and producing cost is low. The invention further provides an automatic production method of the metal honeycomb core, the method is implemented by the aid of the automatic production equipment of the metal honeycomb core, manual intervention is omitted, and producing efficiency is high. Rejection rate of the metal honeycomb cores produced by the aid of the equipment and the method is extremely low.

The invention discloses a red copper bent pipe fitting forming integrated machine. The red copper bent pipe fitting forming integrated machine comprises a work table with the upper surface provided with a discharging port, a feeding mechanism arranged on one side of the work table, a forming mechanism movably arranged above the discharging port, a discharging mechanism arranged on the other side of the work table, and a procedure controller for controlling the feeding mechanism, the forming mechanism and the discharging mechanism. Through the feeding mechanism, a red copper straight pipe blankis fed into the forming mechanism for one-time forming, and through the discharging mechanism, a formed red copper bent pipe fitting is transferred to the discharging port and falls into a material frame. A traditional three-time-bending machining method is changed, feeding, forming and discharging work procedures are integrated into one piece of equipment, one-time automatic forming of the red copper bent pipe fitting is achieved, the automation degree is high, the machining efficiency is high, and the consistency of the size of products is good.

The invention discloses a nickel composite hydroxide. A generator formula of the nickel composite hydroxide is Ni1-xMx(OH)2, wherein 0.6<=x<1 and the M is at least one of Co, Ti, Zr, Mo, Mn, Al, Cr, W, B, Mg, Ba, Nb, and Sr. The nickel composite hydroxide is spherical secondary particles formed by agglomeration of primary particles. Standard deviation sigma of length of the primary particles is less than 145. The centers of the secondary particles are compacted. The invention also correspondingly provides a preparation method of the nickel composite hydroxide. The nickel composite hydroxide ofthe invention has the high comprehensive performance of good primary particle consistency, narrow secondary particle size distribution, good sphericity and compacted secondary particle internal centers. The preparation method of the invention is simple. The prepared nickel composite hydroxide has excellent comprehensive performance by controlling reaction conditions of different processes. In addition, the preparation method of the invention can be continuously operated and can realize large-scale industrial production.