107results about How to "Save processing materials" patented technology

The invention discloses a 3D printing method and system for complicated parts based on curved surface layering. According to structures and the characteristics of curved surfaces of the complicated parts , a three-dimensional model is built, and lightweight structural topology optimization design and spatial 3D slicing and layering are carried out, so that control data for 3D printing can be generated; layer-by-layer 3D printing is carried out after printing parameters are set according to the control data so as to obtain 3D printing parts of the complicated parts, wherein the spatial 3D slicing and layering mean that the curved surface layering is carried out by choosing a curved surface layering method according to the structure characteristics of the three-dimensional mode of the complicated parts, the layered spatial 3D layering data is processed and a filling strategy is selected for printing of paths and planning of tracks. Compared with an existing CNC processing technology, the method and the system disclosed by the invention have the advantages that realization of continuous fiber reinforced manufacturing is facilitated, surface forming precision of the complicated parts is effectively improved, and the printing support is reduced.

A method for fabricating a thin film photovoltaic device is provided. The method includes providing a substrate comprising a thin film photovoltaic absorber which has a surface including copper, indium, gallium, selenium, and sulfur. The method further includes subjecting the surface to a material containing at least a zinc species substantially free of any cadmium. The surface is heated to cause formation of a zinc doped material. The zinc doped material is free from cadmium. Furthermore the method includes forming a zinc oxide material overlying the zinc doped material and forming a transparent conductive material overlying the zinc oxide material.

The invention discloses a process detecting device used in machine manufacturing. The process detecting device comprises a fixed base plate, a numerical control machine case is arranged on the upper end face of the fixed base plate, the numerical control machine case and the fixed base plate are of an integrated structure, a clamp body is arranged in a clamp groove, a taper shaft is fixedly connected to the middle position of the upper end face of the clamp body, the upper side of the taper shaft is sleeved with an expanding sleeve, a hob module is fixedly arranged at the left end of the interior of a machining space, and the left end of a stretchable rod penetrates out of the left end wall of a stretchable space and a stretchable groove and is fixedly connected with an across-measured distance detecting device. When the process detecting device works, a dividing groove guarantees that the expanding sleeve can expand towards the periphery evenly, the coaxality is guaranteed, the accuracy requirement in the machining process is guaranteed, the measurement angle is automatically adjusted, and the accuracy of a measurement value is guaranteed; and in the measurement process, workpieces in machining do not need to be detached, tooth breaking caused by repeated clamping is avoided, machining materials are saved, and the technological controllability is increased.

A spring lamination pair for a microminiature voice coil motor comprises a front and a rear spring laminations, wherein the front and rear spring laminations both comprise a base body which is opened with a central hole on the center, an inner circle moving ring and an outer circle fixing ring are distributed on the same axis from inner to outer along the peripheral radial direction of the central hole, the inner circle moving ring is provided with a clipping position structure, and the outer circle fixing ring is provided with a tortuous spring wire. The invention is characterized in that the rear spring lamination is formed by combining two half of spring laminations whose left and right are separated through a sheet separating insulating groove, and each half spring lamination is respectively connected with positive and negative input ends. The front and rear spring lamination base bodies are all rectangle plane structure, the outer circle fixing ring is provided with at least four interlaced and tortuous spring wires, each tortuous spring wire has same shape, which is evenly and symmetrically distributed between the inner circle moving ring and outer circle fixing ring. The invention is adopted to increase response speed of a moving carrier base, reduce component number and processing procedure of a voice coil motor, save processing material, reduce manufacturing cost and also reduce external dimension of the voice coil motor.

The invention discloses an automatic forming device for producing baking-free bricks, and belongs to the field of brick making machines. The automatic forming device comprises a frame, a blanking opening is formed in the frame, a forming material pushing mechanism is arranged above the blanking opening and connected with a first hydraulic cylinder, a forming mechanism is arranged below the blanking opening and connected with a second hydraulic cylinder, raw materials penetrate the forming material pushing mechanism, enters the forming mechanism and squeezed into bricks by the second hydraulic cylinder, the bricks are pushed onto the frame by the second hydraulic cylinder, and the first hydraulic cylinder drives the forming material pushing mechanism, so that the bricks are pushed onto a delivery mechanism and conveyed. The automatic forming device helps to solve the problems of complicated structure and cumbersome production process of an existing brick making machine, the bricks can be continuously squeezed and formed, production efficiency is improved, the automatic forming device is simple in structure and low in machining cost, and productive benefits of enterprises can be improved.

A device for a sweeping vehicle wiper to apply a force to the ground. The device comprises a connection plate (2) movably connected to a wiper assembly (1) of a sweeping vehicle, and the other end of the connection plate (2) is hinge-connected to a brush disk support (3). The brush disk support (3) is provided with a torsion spring (4), and the force-applying end of the torsion spring (4) applies a downward pressure to the connection plate (2). The device uses a light wiper assembly to meet the pressure requirement specified in the industry, thereby saving the manufacturing material. By means of a structure that the torsion spring applies a downward pressure, the space for mounting the tension spring may be greatly reduced, so that the structure is still applicable when the gap between the wiper assembly and the brush disk assembly is small, and therefore, the present invention has higher adaptability.

The invention relates to a processing technology of metal surfaces, which is characterized in that rolling treatment is carried out on the metal surface by using a rolling knife and the pre-tightening force F of the rolling knife is controlled to be equal to 3.4 multiplied by M, wherein, M is the brinell hardness of the metal surfaces. The processing technology has the following beneficial effects: (1) shortening processing time: compared with the original grinding technology, the rolling technology can improve efficiency by over 10 times, and processing materials are saved and environmental pollution is reduced; (2) wear resistance and hardness of work pieces are improved due to the densification of metallographic structure; and (3) the fatigue strength of processing parts is improved by the residual compression stress on the surface.

The invention discloses a variable-diameter bent pipe anti-wrinkle mandrel. The variable-diameter bent pipe anti-wrinkle mandrel comprises a core wire, mandrel elements, arc T-shaped inserting pieces,disc covers and small balls. Round through holes are formed in the centers of the mandrel elements, the disc covers and the small balls; the adjacent mandrel elements are in series connection throughthe core wire and are isolated through the small balls, multiple round through holes symmetric about the center and equal in size are formed in the mandrel elements, and four cylindrical plug pins onthe disc covers are used for assembling; meanwhile, the round holes equal to the cylindrical plug pins on the disc covers in diameter are formed in the arc T-shaped inserting pieces, and the effect of fastening the arc T-shaped inserting pieces is achieved; multiple rectangular inserting grooves are formed in the side face of each mandrel element, and the arc T-shaped inserting pieces are inserted into the inserting grooves; and the variable-diameter bent pipe anti-wrinkle mandrel is suitable for a series of bent pipes of different pipe diameters, after use is finished, the core wire is pulled, the bent pipe mandrel can be simply and rapidly taken out of the pipe fitting, the structure is simple, and cost is saved.

The invention provides a uniform cable winding device. The uniform cable winding device comprises a base. The base comprises a cuboidal support portion, a first vertical portion and a second verticalportion, wherein the first vertical portion and the second vertical portion are arranged at the two ends of the top face of the support portion correspondingly. A rotating disc is arranged on a cablewinding barrel close to the side of the second vertical portion in a sleeving manner. The end face, backing against the second vertical portion, of the rotating disc is provided with a transmission potion. The transmission portion is of a protruding structure, wherein the cross section of the protruding structure is in an Archimedes spiral shape. The top face of the support portion is provided with a groove, wherein the groove avoids the rotating disc and the transmission portion. A worm is rotatably arranged on the support portion, wherein the worm is matched with the transmission portion. Acam is arranged on the worm in a sleeving manner. The cam comprises a body, wherein the body rotates along with the worm. A protruding portion and a sunken portion are symmetrically arranged on the body. The support portion is further provided with a swing rod, wherein the swing rod is matched with the cam. The bottom of the swing rod is rotatably connected to the support portion. The top of the swing rod extends to the cable winding barrel. By means of the uniform cable winding device, cables can be wound on the cable winding barrel orderly and uniformly; and the cables can be stored to the greatest extent in a limited space, and the uniform cable winding device can be used in future conveniently.

The invention discloses a front test bed structure of a motorcycle shifting fork checking fixture. The structure is characterized by comprising a lower supporting block, a middle supporting block and an upper supporting block which are sequentially arranged in a stacked mode from bottom to top. The thickness of the middle supporting block is consistent with that of the end portion of the front end of a motorcycle shifting fork arm, and the length of the middle supporting block along the front-back direction of a bottom plate is smaller than that of the upper supporting block and that of the lower supporting block along the front-back direction of the bottom plate so that a detection cavity used for detecting the thickness of the end portion of the motorcycle shifting fork arm is formed in a rear portion position between the upper supporting block and the lower supporting block. The rear portion of the upper supporting block is further provided with a shifting fork concave portion detection block installation hole. The structure achieves test and locating of the front end concave portion and the fork arm of the shifting fork for two times, achieves test of a plurality of parameters of the shifting fork through match with a rear test bed, and has the advantages of being convenient to process and manufacture, capable of improving processing efficiency and saving processing materials, convenient to assemble and locate, compact and small in structure, and the like.

The invention relates to a combined friction stir welding mixing head aiming at different thicknesses of sheets, which is characterized in that a center matrix is coaxially inserted into a sleeve; internal threads and external threads which are matched are respectively formed on a threaded connection column and a threaded connection hole; after the threaded connection column is in threaded fit with the threaded connection hole, a shaft shoulder of the center matrix is connected with a clamping body of the sleeve; and a matrix mixing needle is coaxially connected with a sleeve mixing needle. In the machining process, the center matrix is universal, and a series of sleeves with different dimensions and parameters only need to be machined, and a plurality of entire mixing heads are not required to be machined, so that the machining materials are saved. If the mixing head is abraded in the welding process, the sleeve is only required to be replaced, and the center matrix can be continuously used, so that the assembly and disassembly time of the mixing head is saved, and the welding efficiency is improved. Meanwhile, the center matrix and the sleeve can select dissimilar materials to adapt to the welding of various materials.

The invention provides a ring piece angle detection tool. According to the detection tool, axial grooves are formed in a detection sleeve with the inner ring surface in the radial direction; the axialgrooves are used for detecting the angle of a protruding block on a ring piece to be detected, the protruding block of the ring piece to be detected can be directly placed in the axial grooves, and ring piece angle detection can be achieved through one-man operation; meanwhile the detection tool is simple in structure and easy to machine. When the detection tool is used for testing the angle of the ring piece, the operation is convenient, the problem that the ring piece is easy to fall off or scratch in an original ring piece angle testing method is solved, and the detection tool can be wellapplied to the field of semiconductors or machining.

The invention discloses a compressor, a variable frequency motor, a stator punching sheet of the motor, and a machining method thereof. The stator punching sheet comprises a first axis of symmetry, and a second axis of symmetry. The first axis of symmetry and the second axis of symmetry are perpendicular to each other and divide the stator punching sheet into four identically shaped unit parts. Each unit part comprises an inner-ring contour line segment and an outer-ring contour line segment. The outer-ring contour line segment comprises a first half edge, a bevel edge and a second half edge, wherein the first half edge, the bevel edge and the second half edge are successively connected. Close to the second half edge, the bevel edge is provided with a raised portion. The stator punching sheet is provided with an installation hole. At least one part of the installation hole is arranged on the raised portion. The intersection point of the first axis of symmetry and the second axis of symmetry is set to be O, and the inner-ring contour line segments of the four unit parts form an inner circle with the point O as the circle center thereof and the D1 as the diameter thereof. An outer circle is defined to pass through the point O and the two end points of the bevel edge. The diameter of the outer circle is set to be D2. D1 and D2 satisfy the relation of 1.9<=D2/D1<=2.1. According to the technical scheme of the stator punching sheet of the motor, based on the mutual cooperation of the dimensions of the above parts, the performance requirements can be met. Meanwhile, the amount of raw materials is reduced at the same time.

The invention discloses a motor with a magnetic rotor. The motor comprises arc-shaped rotor sheets. Even number of rotor sheets form a circle. Tooth grooves for winding wires are arranged on the outer arc face of the arc. Through holes are arranged on the side face between two tooth grooves. By the through holes disposed on the rotor sheets or stator sheets, radiation performance is enhanced, machining materials are saved, and weight is reduced. In addition, the multi-sheet combining rotor or stator structure facilitates radiation.

The invention relates to the technical field of plate shearing machines, and discloses a plate shearing device facilitating plate fixing and clamping. The plate shearing device comprises a shell, wherein a support rod is movably connected to the interior of the shell, a long rod is movably connected to the exterior of the support rod, an eccentric rotating wheel is movably connected to the exterior of the long rod, a push rod is fixedly connected to the exterior of the long rod, an ejector block is fixedly connected to the exterior of the push rod, a cutting knife is fixedly connected to the exterior of the ejector block, a photosensitive assembly is fixedly connected to the exterior of the shell, a rotating shaft is movably connected to the interior of the shell, and a rotating gear is fixedly connected to the exterior of the rotating shaft. Under the mutual action of all structures of the device, after an operator places a to-be-machined plate into the device, the operator can selectthe needed length, the plate shearing device shears and cuts the to-be-machined plate, the effect of fixed-length cutting according to needs is achieved, therefore, the machining precision is improved, the requirements for different lengths are met, and machining materials can be saved.

A plunger structure and a plunger pump are provided, relating to the technical field of plunger pumps. In one exemplary implementation, the plunger structure may comprise a plunger body with both ends closed, an engagement groove disposed at the top of the plunger body, a plunger cap fixedly connected to the engagement groove, and/or an elastic member having one end fixedly disposed within the plunger cap. The plunger body may be sheathed in the elastic member. According to other aspects, a top end of the plunger body may be exposed out from the plunger cap, an engagement groove that is depressed inwardly may be formed in a circumferential direction of the top of the plunger body, an inside of the plunger body may be in a cavity structure, and/or the plunger body may be an integrally molded part.

Apparatus uses engineered collection media to recover mineral particles in a mineral extraction process, e.g., for processing a tailings stream at the end of a flotation separation process. The engineered collection media are added to slurry/tailings containing the mineral particles. The engineered collection media have collection surfaces coated with a chemical selected for attracting the mineral particles to the collection surfaces so the engineered collection media becomes mineral laden media in the slurry/tailings in a loading stage. The apparatus include three stages: removing unwanted material from mineral laden media; using a stripping agent to strip the mineral particles from the mineral laden media; and separating the engineered collection media from the mineral particles and the stripping agent. The stripping agent is reused for stripping, and the engineered collection media are returned to the loading stage. The engineered collection media can have a smooth or foam-like surface.