465results about How to "Improve bending effect" patented technology

An automatic 4-roller barrel shaping unit for the production line of three-element cleaner used to treat the tail gas of car is composed of machine frame, feeding track with both side barrier plates, feeding manipulator with its guide track and cylinder, blanking cylinder with push plate, the upper, lower, front and back rollers, AC motor and speed reducer. Its advantages are high automation level and productivity, and simple structure.

The invention relates to a kind of cold-rolled hot-galvanized complex phase steel. Chemical components of the cold-rolled hot-galvanized complex phase steel comprise, by weight, 0.05-0.13% of C, 0.1-0.5% of Si, 1.5-2.5% of Mn, less than or equal to 0.015% of P, less than or equal to 0.015% of S, 0.1-0.6% of Al, 0.2-0.6% of Cr, 0.1-0.5% of Mo, 0.01-0.06% of Nb, 0.01-0.06% of Ti, and the balance Feand inevitable impurities. The invention further relates to a preparation method of the cold-rolled hot-galvanized complex phase steel. The preparation method comprises the following steps of castingmolten steel into a steel billet; conducting hot rolling on the steel billet to obtain a hot-rolled plate and conducting cold rolling on the hot-rolled plate to obtain a cold-hardened steel strip; conducting continuous galvanizing and annealing process treatment on the cold-hardened steel strip to obtain a finished cold-rolled hot-galvanized complex phase steel product. The bending performance ofthe cold-rolled hot-galvanized complex phase steel is improved on the basis of meeting the requirement for strength.

The invention relates to a cold-rolled martensite steel plate with yield strength of 750 MPa grade and a manufacturing method thereof, and mainly aims to solve the technical problem that the existingcold-rolled martensite steel plate with yield strength of 750 MPa grade is high in manufacturing cost. The cold-rolled martensite steel plate provided by the invention consists of the following chemical components in percentage by weight: 0.12-0.22% of C, 0.30-0.90% of Si, 1.30-1.90% of Mn, 0.20-0.80% of Cr, 0.010-0.050% of Ti, 0.020-0.060% of Al, less than or equal to 0.015% of P, less than or equal to 0.008% of S, less than or equal to 0.006% of N, 0.0015-0.004% of Ca and the balance of iron and inevitable impurities. The steel plate has yield strength of 790-830 MPa, tensile strength greater than 980 MPa, and percentage elongation after fracture A80 greater than or equal to 6%. The cold-rolled martensite steel plate is mainly used for manufacturing a truck boundary beam, a square tube stand column and the like.

The invention relates to a quenched type ultra-high-strength steel plate with yield strength larger than 1100 MPa. The production technology of the quenched type ultra-high-strength steel plate with the yield strength larger than 1100 MPa comprises the steps of smelting, external refining, vacuum degassing, Ca treatment, continuous casting, dehydrogenation treatment on a casting blank, heating, rolling, cooling, warm straightening, quenching and powerful straightening. According to the quenched type ultra-high-strength steel plate with the yield strength larger than 1100 MPa, the ingredients are economical, the technology is simple, the comprehensive mechanical performance of the steel plate is excellent, the yield strength is over 1100 MPa, the tensile strength is over 1200 MPa, and the Charpy impact energy at the minus 40 DEG C is larger than or equal to 30 J; meanwhile, the performances of the steel plate are uniform, the steel plate is flat, and the waviness of the steel plate is smaller than or equal to 5 mm/m; the cold bending forming performance of the whole steel plate is good, d is equal to 3a, and the result of the 180-degree laboratory GB/T232 cold bending test of the steel plate is qualified; b is larger than or equal to 500 mm, r is equal to 3a, and no crack is generated during 90-degree industrial cold bending forming; and therefore, the machining and use requirements on the ultra-high-strength steel plate of the domestic and overseas large machinery industry are met.

The invention provides a mold, a preparation method thereof and a method for producing a casting inner cavity by using the mold core. The mold core is made of hollow material; and an alloy is arranged in the hollow structure of the mold core. The mold core made of brass replaces the traditional sand core, has higher structural strength and is suitable for complex fine hole inner cavities of an aluminum alloy casing to form. In the method for producing the mold core, the characteristic of low melting point aluminum alloy is used and the mold core is filled into a hollow brass tube to relieve the stress generated by bending the brass tube with favorable bending effect; in addition, the hollow brass section is prevented from being deformed due to external action in the bending process.

The invention provides an automatic bending device for a heat pipe. The automatic bending device comprises a frame, wherein a bedplate is vertically fixed on the frame; a shaking machine is arranged at one side of the bedplate; the shaking machine is connected with a charging barrel for arranging the heat pipe through the bedplate; a feeding mechanism for conveying the heat pipe is arranged under the charging barrel; the feeding mechanism is fixed on a table board; the bending device also comprises a fixed block and a rotating mechanism for driving the fixed block to rotate; a rotating shaft of the rotating mechanism is connected with the fixed block; the rotating mechanism and the shaking machine are arranged at the same side of the bedplate; a fixed block pressing mechanism is arranged on the fixed block; a movable block pressing mechanism is arranged in front of the fixed block; a gap is arranged between the movable block pressing mechanism and the fixed block; the movable block pressing mechanism presses an end to be bent of the heat pipe downwards; a blanking opening is arranged on the frame, and the blanking opening is arranged under the gap. According to the invention, the heat pipe can be automatically bent, the difference of bending quality completely caused by manual work is avoided and the bending effect is good. Two heat pipes are bent once, and continuous operation can be carried out, time and labor are saved, and the efficiency is greatly improved.

The invention relates to a bending device, in particular to a metal plate bending device, and provides the metal plate bending device which is good in bending effect, convenient to operate and few in reject products to solve the technical problems. In order to solve the technical problems, the metal plate bending device comprises a cylinder, a placement block, a collecting frame, a bottom plate, a right support, a top support, a slide rail, a slider, a supporting rod, a first guide wheel, a pull rope, an electric push rod, a left support, a push block, a pressing plate, a second guide wheel, a slide shaft, a lifting rod, a telescopic block, a spring, a transverse bar, a fixed block and a slide sleeve. The cylinder is arranged in the middle of the bottom plate, the fixed block is connected to the upper end of the cylinder, the transverse bar is arranged on the fixed block, and the pressing plate is rotationally connected with the transverse bar. The metal plate bending device has the effects of being good in bending effect, convenient to operate and few in reject products; by means of the metal plate bending device, metal plates can be rapidly bent to 90 degrees, and high-quality products can be rapidly produced.

An automotive fuel hose having a three-layer structure excellent in sour-gasoline resistance and impact resistance. The automotive fuel hose includes a tubular inner layer in which fuel is adapted to flow; a low fuel permeability layer provided on an outer peripheral surface of the inner layer; and an outer layer provided on an outer peripheral surface of the low fuel permeability layer. The inner layer and the outer layer each including at least one of a polyolefin resin having a functional group and a polyamide resin and the low fuel permeability layer including a polyphenylene sulfide resin.

The present invention discloses a display panel. The display panel comprises a bending region and a non-bending region connected with the bending region, and the display panel further comprises an array substrate. The array substrate comprises: a plurality of first pixel regions which are mutually arranged in parallel in multiple lines and arranged in the bending region; a plurality of second pixel regions which are mutually arranged in parallel in multiple lines and arranged in the non-bending region; and a plurality of flexible connection regions configured to connect with adjacent first pixel regions and connect with the first pixel regions and the second pixel regions, wherein each flexible connection region is internally provided with a slot, and each slot is filled with an organic photoresist layer. According to the invention, the slots are arranged in the flexible connection regions of the bending region to form an inorganic layer slot between two adjacent lines of pixel regionsin the bending region to separate from each two lines of pixel regions, and the slots are filled with the organic photoresist layers so as to effectively relieve the stress of each inorganic layer ormetal wiring corresponding in the display panel, especially in the array substrate.

One aspect of this copper alloy for an electronic device is composed of a binary alloy of Cu and Mg which includes Mg at a content of 3.3 to 6.9 atomic %, with a remainder being Cu and inevitable impurities, and a conductivity σ (% IACS) is within the following range when the content of Mg is given as A atomic %,

σ≦{1.7241/(−0.0347×A²+0.6569×A+1.7)}×100.

Another aspect of this copper alloy for an electronic device is composed of a ternary alloy of Cu, Mg, and Zn which includes Mg at a content of 3.3 to 6.9 atomic % and Zn at a content of 0.1 to 10 atomic %, with a remainder being Cu and inevitable impurities, and a conductivity σ (% IACS) is within the following range when the content of Mg is given as A atomic % and the content of Zn is given as B atomic %,

σ≦{1.7241/(X+Y+1.7)}×100

X=−0.0347×A²+0.6569×A

Y=−0.0041×B²+0.2503×B.

This invention relates to the process of a kind of explode restrain material. chemical composition of it includes Si 0.1-0.6,Fe 0.2-0.7,Cu 0.05-0.1,Mn 0.6-1.2,Zn 0.05- 0.1,Ti 0.03-0.12,Na 0.02-0.07,and Al the rest .the process includes steps as follows: melt, de-sludge and de-airing, make body, milling, first anneal, hot press, cold press, second anneal, stamp to open the sew, tension.

A method for preparing the high-performance antioxidizing copper bus includes such steps as smelting electrolytic copper in LF induction furnace with graphite crystallizer and charcoal covering, casting, water-sealing extruding, acid washing for neutralizing, washing with hot water, rough drawing, removing surfacial skin, brightening annealing in the mixture of N2, and H2, and fine drawing.

The invention discloses a hook production line. The hook production line comprises a short rod feeding conveying and heating device and a short rod bending device. The short rod feeding conveying and heating device comprises a feeding mechanism, a conveying mechanism, a material cutting mechanism and a heating mechanism. The feeding mechanism comprises a feeding bin, a feeding slope and a material supporting mechanism. The conveying mechanism comprises a conveying chain wheel, a conveying chain supporting frame, a conveying chain and a conveying motor. The heating mechanism comprises an electrical heating tube and an electric cabinet. The material cutting mechanism comprises a material cutting air cylinder, a material cutting blocking rod and a material falling slop. The electric cabinet is internally provided with a programmable logic controller (PLC) and an electrical heating tube switch controlling the operation of the electrical heating tube. The short rod bending device comprises a material collection box, a conveying track, an ejection bending mechanism and a counter-ejection discharging mechanism. According to the hook production line, the heating effect on short rods is ensured, and the operation is convenient; the efficiency is high; meanwhile, the short rods heated at high temperature automatically fall into the conveying track and can be subjected to ejection bending after a short-distance conveyance, and time and labor are saved. In addition, the discharging is convenient and the ejection bending effect is good.

The invention discloses a tool for orthopedic clinics, and in particular discloses a medical steel plate pre-bending device for orthopedic clinics; the pre-bending device is composed of a main body, a rotary arm, a pressing arm and a plurality of bending rollers, wherein the main body is composed of a base plate and a vertical plate; shaft holes A are uniformly distributed in the inner sidewall of the vertical plate; a shaft pin A is arranged at the front end of the rotary arm, and a handle is arranged at the back end; multiple groups of inserting holes are formed in the inner sidewall of the rotary arm; a plurality of bolts are arranged on he inner sidewall of the pressing arm; the pressing arm is combined to the inner side of the rotary arm in a cross mode; a shaft hole B is formed in the outer side of the lower end of the pressing arm; the bending rollers are composed of roller bodies and shaft pins B; the bending rollers can be combined to the inner side of the vertical plate so as to support a medical steel plate; and in additional, the bending rollers can be fixedly arranged at the lower end of the pressing arm so as to provide bending pressure to the medical steel plate. The pre-bending device disclosed by the invention is good in bending effect, high in efficiency, relatively labor-saving in operation and relatively convenient in regulation, and the pre-bending device is good in adaptability to medical steel plates on various parts and of various specifications; and the pre-bending device can reduce, and can even avoid, the circumstance that the medical steel plate is discarded during pre-bending, and the pre-bending device is suitable for clinical purchasing for clinical use.

The invention relates to the technical field of socket switch pedestal assembling, and particularly relates to full-automatic socket switch pedestal assembling equipment comprising a rack and a pedestal loading device, a first pole piece loading device, a second pole piece loading device, a resistor loading device, a bending device and an assembling line which are arranged on the rack. One end ofthe assembling line and the first pole piece loading device pass through the first pole piece loading device, the second pole piece loading device, the resistor loading device and the bending device in turn. One end, which is back to the pedestal loading device, of the assembling line is connected with a material discharge device. The full-automatic socket switch pedestal assembling equipment is high in working efficiency, economical in labor and high in degree of automation.

The invention provides a plastic pipe fitting bending machine, which includes a machine body and a three-jaw chuck. A bending die mechanism is slidably connected to the body, and a second X-direction movement mechanism is arranged between the two. The bending die mechanism It includes a bending mold, the body is slidably connected with the body, and a first X-direction movement mechanism is arranged between the two, the side of the body is connected with a first guide plate through a Y-axis rotary movement mechanism, the first guide plate and the second The guide plate is slidingly connected, the second guide plate is fixed with a slide bar, one end of the slide bar is equipped with a bending roller, and the body is also equipped with an electromagnetic heater, the electromagnetic heater includes an electromagnetic heating coil, and the inner ring of the bending roller is close to the bending mold. The inner walls of the pipe parts are all wound with electromagnetic heating coils. The plastic pipe fitting bending machine of the present invention can realize the bending operation of pipe fittings of different specifications on one machine, is suitable for mass production, reduces the scrap rate, saves the operation steps of workers, and reduces the production cost.

The invention belongs to the field of functional powder coating, and particularly relates to powder coating with a metal flashing effect, as well as a preparation method and an application method of the powder coating. The powder coating is prepared by combining a composition A, a composition B and a composition C, wherein the composition A comprises the following raw materials in percentage by weight: 26.0-35.0% of bisphenol A-type ethoxyline resin, 32.5-42.0% of carboxyl terminated polyester resin, 0.5-1.0% of a leveling agent, 0.3-0.6% of a degassing agent, 2.0-33.5% of one or more pigments and 10-20.0% of a filler; the composition B comprises the following raw materials in percentage by weight: 90-99% of the composition A and 1-10% of one or more metal pigments; the composition C comprises the following raw materials in percentage by weight: 77.3-80.3% of GMA-type acrylic resin, 18.2-21.2% of dodecanedioic acid, 0.5-1% of the leveling agent and 0.3-0.6% of the degassing agent. A double-layer coating film is formed after application of the powder coating, so that the powder coating is high in impact resistance and bending resistance. The invention further provides the preparation method and the application method of the powder coating.

The invention discloses a high-strength high-conductivity copper alloy material. The high-strength high-conductivity copper alloy material comprises, by weight percentage, 0.3wt%-0.8wt% of Cr, 0.05wt%-0.5wt% of Fe, 0.05wt%-0.3wt% of Ti, 0.01wt%-0.1wt% of Si and the balance Cu and inevitable impurities. The high-strength high-conductivity copper alloy is prepared through the alloying design of Cr,Fe, Ti, Si and other elements and a thermo-mechanical treatment technology taking two-stage aging as a main process. By means of the control over the sizes and the densities of a CrFe phase, a (Cr, Fe)2Ti and Cr3Si composite precipitated phase and a Cr elementary substance phase in a microscopic structure of the alloy, the effects of strengthening the alloy and improving the conductivity of the alloy are achieved. The copper alloy material can be applied to large-scale integrated circuit lead frames, folding screens and other products, the yield strength of manufactured strips is 650MPa or above, the electric conductivity is 65%IACS or above, and the good high-temperature softening resistance is achieved.

The invention discloses a device for bending wires. The device for bending wires comprises a stand, wherein one end of the stand is provided with a head component mounting rack; the head component mounting rack is provided with a bending mechanism; the other end of the stand is provided with a correcting component which is capable of correcting the roundness or straightness of the wires; the stand is provided with a feeding gearbox component which is capable of feeding the wires corrected by the correcting component to the bending mechanism to bend. The device for bending wires is aimed to overcome the disadvantages of the prior art, is simple in structure, is convenient to produce and process, and is low in production cost.

Provided is a production method for cast rolling 1100 alloy aluminum foil for a mobile-phone battery shell. The production processes of the production method comprise batching, smelting, cast rolling, cold rolling, recrystallization annealing, cold rolling, trimming, low temperature tempering and foil rolling. In the cold rolling process, blanks obtained by cast rolling are processed to be 3.0-4.0 mm by cold rolling and then recrystallization annealing is performed, one pass of large reduction cold rolling is performed on the blanks which are processed by recrystallization annealing, the pass processing rate is 40%-60%, and finally the blanks which are processed by large reduction cold rolling are rolled to the design thickness of the aluminum foil. According to the production method for cast rolling the 1100 alloy aluminum foil for the mobile-phone battery shell, the blanks are cold rolled to be 3.0-4.0 mm and then recrystallization annealing is performed, the internal grain sizes of the blanks which are processed by recrystallization annealing are increased, and the purpose of improving the performance of cast rolling materials can be achieved by using large reduction cold rolling for smashing the grains; the 1100 alloy aluminum foil obtained by the production method has good buckling performance and Vickers hardness, and can meet the usage requirements of materials for the mobile-phone battery shell.

The invention relates to the technical field of hoisting devices, in particular to a bending machine which comprises a rack, wherein a platen is arranged at the upper end of the rack, a motor reducing gear is arranged in the middle of the platen, the output end of the motor reducing gear is connected with a chain tensioning lead screw, the chain tensioning lead screw is connected with a divider, a turntable is arranged at the upper end of the divider, clamp assemblies are evenly distributed at the upper end of the turntable, a bending assembly and a probe assembly are arranged on the outer periphery of the turntable, and a withstand voltage tester and a control box which pass through an upper enclosure structure are arranged at the outer edge of the platen. When the bending machine is used, the control box controls the clamp assemblies to clamp workpieces, the motor reducing gear drives the turntable, the clamp assemblies rotate to the bending assembly to perform bending processing for the workpieces, after bending processing, the motor reducing gear drives the turntable to rotate to be below a blanking mechanical arm assembly to demount the bent workpieces, and the operation is cycled. Therefore, the bending machine has the advantages of being good in one-time bending effect, high in production efficiency, time-saving, labor-saving and low in cost.