45results about How to "Small shape error" patented technology

The invention discloses a horizontal cutting sand wire cutting machine tool, which comprises a base, a wire storage barrel, moving parts of the wire storage barrel, a sand line, a workbench assembly, a guide wheel assembly, a lifting mechanism, and a guide wheel support frame; the central axis of the wire storage barrel Horizontally placed, driven by the moving parts of the wire storage barrel to move horizontally left and right; the guide wheel assembly is set on the guide wheel support frame; the lifting mechanism is supported on the base, including the flat top plate, which is set above the base; the workbench assembly is supported on The upper surface of the top plate of the lifting mechanism includes a workbench that is located on the upper part of the workbench assembly and can move longitudinally; the guide wheel assembly is a guide wheel assembly that can realize horizontal cutting of the sand line; the further improvement lies in: the lift mechanism is an electric lift mechanism; A turntable assembly is provided on the end face; a nylon or resin layer is provided on the outer surface of the wire storage barrel. The invention can conveniently and quickly cut larger and heavier non-metallic materials, has high production efficiency, can realize streak-free cutting, and has high cutting precision.

The invention discloses a resonant nano three-dimensional contact measuring head based on an optical fiber Bragg grating. The contact measuring head is characterized in that the structure of the measuring head is designed as follows: an integrated probe with a bulb is fixed in the central point of a suspension support in a T shape, support rods, in the same plane, on the suspension support are in radial distribution. A flexible cantilever and the center of the suspension support are fixed together, far ends of flexible arms, in the same plane, on the flexible cantilever are fixed on an outer connection ring, and a measuring probe is formed. Lower ends of FBG sensors arranged in a packaging layer are fixed at the far ends of the support rods of the suspension support. The upper ends of the FBG sensors are fixed at the edge of a piezoelectric ceramic vibration plate. The piezoelectric ceramic vibration plate is fixedly connected with a displacement output shaft of piezoelectric ceramic through screw threads. The piezoelectric ceramic is fixedly connected onto a bottom surface of a measuring head pedestal through screw threads. The contact measuring head is advantaged by high sensitivity, small measuring force, small microscopic surface active force influence, good long-term stability, good repeatability and low anisotropy.

The invention relates to the technical field of manufacturing processes of window type irregular saddle-shaped coils for compound function electromagnets, in particular to a winding device and method of a window type irregular saddle-shaped coil. The window type irregular saddle-shaped coil comprises step components which are unfolded with two 90-degree flanges on two edges and used for controlling gaps among copper wires of each layer at the 90-degree flanges, the upper edges of wire cakes on each layer are guaranteed to be flush on the same plane after flanging, the step component at one end is horizontally divided into three parts, and gaps are reserved in the middles and used for accommodating copper wire heads, the three parts are fixed on a base plate through locating pins and bolts respectively. A 90-degree back plate is located above the step component with coils unfolded at two ends and used for unfolding two ends of each wire cake to vertical positions layer by layer through a special tool after layer winding, and a saddle shape is formed. The internal quality is good, the performance is reliable, the winding efficiency is high, the cost is low, the boundary dimension and the shape error are small, the stability is excellent, the product consistency is good, the performance of a whole compound electromagnet is modified and improved, the magnetic field index is stable, and the error is small.

The invention relates to household paper packaging equipment, and particularly relates to an automatic continuous household paper packing machine. The machine comprises a rack, a negative pressure system, a packaging film opening and conveying device and a burn-seal device. The machine is characterized in that a support shaft is fixedly arranged on the rack; a disc-shaped mould is hollowly sleeved on the support shaft; a household paper feed device, the packing film opening and conveying device and a packing film cutting device are arranged on one feed side of the disc-shaped mould; the burn-seal device is arranged on the upper part of the disc-shaped mould; a household paper packing and clamping device is arranged on the disc-shaped mould; and the disc-shaped mould is driven by a drive system to rotate. According to the technical scheme, the machine is reasonable in structure, external dimension errors and shape errors of the packaged household paper subjected to burn-seal are small, and the quality of a burn-seal surface is good, so that packing machine is very suitable for automatic packaging production line.

The invention discloses a soft-brittle material processing abrasive tool as well as a manufacturing method of the abrasive tool and a method for processing the soft-brittle material. The processing abrasive tool comprises a base body, wherein a plurality of diamond sheets are fixed on the processing surface of the base body; the processing surfaces of the diamond sheets are arc-shaped surfaces; patterned slots are formed in the arc-shaped surfaces of the diamond sheets; the protrusion height of each of the diamond sheets relative to the base body is 1mm-2mm. The method for processing the soft-brittle material comprise the following steps of grinding the soft-brittle material through the soft-brittle material processing abrasive tool until surface roughness of the surface of the soft-brittle material is detected to be 0.01 micron to 0.1 micron. The processing abrasive tool is utilized to process the soft-brittle material, so that the material processing quality is improved and the ultra-precise processing problem of the soft-bristle material is solved.

The invention relates to household paper packaging equipment, and particularly relates to an automatic continuous household paper packing machine. The machine comprises a rack, a negative pressure system, a packaging film opening and conveying device and a burn-seal device. The machine is characterized in that a support shaft is fixedly arranged on the rack; a disc-shaped mould is hollowly sleeved on the support shaft; a household paper feed device, the packing film opening and conveying device and a packing film cutting device are arranged on one feed side of the disc-shaped mould; the burn-seal device is arranged on the upper part of the disc-shaped mould; a household paper packing and clamping device is arranged on the disc-shaped mould; and the disc-shaped mould is driven by a drive system to rotate. According to the technical scheme, the machine is reasonable in structure, external dimension errors and shape errors of the packaged household paper subjected to burn-seal are small, and the quality of a burn-seal surface is good, so that packing machine is very suitable for automatic packaging production line.

The invention relates to the technical field of manufacturing processes of window type irregular saddle-shaped coils for compound function electromagnets, in particular to a winding device and method of a window type irregular saddle-shaped coil. The window type irregular saddle-shaped coil comprises step components which are unfolded with two 90-degree flanges on two edges and used for controlling gaps among copper wires of each layer at the 90-degree flanges, the upper edges of wire cakes on each layer are guaranteed to be flush on the same plane after flanging, the step component at one end is horizontally divided into three parts, and gaps are reserved in the middles and used for accommodating copper wire heads, the three parts are fixed on a base plate through locating pins and bolts respectively. A 90-degree back plate is located above the step component with coils unfolded at two ends and used for unfolding two ends of each wire cake to vertical positions layer by layer through a special tool after layer winding, and a saddle shape is formed. The internal quality is good, the performance is reliable, the winding efficiency is high, the cost is low, the boundary dimension and the shape error are small, the stability is excellent, the product consistency is good, the performance of a whole compound electromagnet is modified and improved, the magnetic field index is stable, and the error is small.

The invention discloses a method for preparing indentations of a surface of a micro-lens or micro-lens array structure. The method comprises the steps of: manufacturing an indenter with an end having the micro-lens shape; performing smooth machining of the to-be-shaped surface of the micro-lens or micro-lens array structure; on a forming press, machining by the indenter with the speed as s and the pressure as m according to the indentation method to form lens-shaped indentations on the surface to be shaped; measuring and calculating the error between the indentation shape and the lens shape of the end of the indenter and compensating or modifying the shape of the indenter; carrying out indentation formation again by using the indenter which is already subjected to shape compensation or modification; if it is required to form the micro-lens array structure, setting the vertical and horizontal distances based on the working performance of the lens array, machining with the vertical and horizontal distances as the distance close to the lens center to generate other indentations on the mould plane and forming the micro-lens array structure; and cutting off the material bump parts generated during the indentation extrusion process and performing coating. The method simplifies the procedures of the batch treatment process for the surface of the micro-lens or micro-lens array structure.

A method is provided for forming a functional film having at least first and second functional materials arranged in accordance with a prescribed coating pattern on a substrate. The method includes discharging the first functional material having a smaller coating surface area than the second functional material according to the prescribed coating pattern onto the substrate using a droplet discharge apparatus, and discharging the second functional material according to the prescribed coating pattern onto the substrate using the droplet discharge apparatus after the first functional material is discharged onto the substrate.

The invention discloses a method for manufacturing a vacuum inner ultra-large quadrupole lens, which comprises the steps of decomposing and designing the quadrupole lens into four magnet yokes and four magnetic poles, forging a blank, and performing heat treatment; processing a magnet yoke and a magnetic pole, and pre-assembling a lens iron core; carrying out disassembling and nickel plating; winding a semi-finished coil, and carrying out epoxy vacuum pouring to obtain a coil; disassembling the four nickel-plated parts, installing the coil, and assembling to obtain a quadrupole lens iron core;welding an end cover at one end of the vacuum pipeline with radiating strips; installing iron core water cooling pipes on two end surfaces of the quadrupole lens iron core; enabling the vacuum pipeline with the radiating strips to penetrate into a central hole of the quadrupole lens iron core, connecting an iron core water cooling pipe with a cooling water pipe on the end cover, and welding the other end cover; and enabling a coil wire outgoing line and the cooling water pipe on the end cover to sequentially penetrate into a transition section vacuum pipeline and a vacuum isolation pipeline to obtain the vacuum inner ultra-large quadrupole lens. According to the manufacturing method, the coil is isolated from the vacuum environment, the vacuum degree is not affected, and the performance of the ultra-large quadrupole lens in vacuum is improved.

The invention relates to a processing device with band shape blade and a bender and two sets of punch device. The first set of punch die is set in front of the bender, the second set behind. The first set can have different punch die structure, and the second has a structure with band blade bottom end. When the distance between the bender and the second punch die is long, it can be rectified by the rectifier between the bender and the punch die. The manufacturing for the band shape blade comprises the bending and cutting the blade into two parts. When the material band blade is fed in throughthe first punch die, the top of the punch cut out the required precision and shape notch, then the strip shape blade is fed into the bender for bumping to form the band blade connected with the stripblade. Then, send to the second punch die to cut off the bottom end of the strip blade to the final product. Return the strip blade to the bender after the band blade is separated from the strip blade and recycle it again and again.

The invention discloses a method for processing the inner spherical surface of a bearing seat through motion forming. The inner spherical surface of the bearing seat is ground with a diamond grinding wheel, which can be used for a long time without shaping and grinding, because the processing method of the present invention is formed by a motion The method of grinding the inner spherical surface adopts three numerical control feeding steps of diamond grinding wheel spherical center feeding, bearing seat spherical center feeding and diamond grinding wheel spherical diameter feeding, and uses the compound rotation circle of the bearing seat and the rotation circle of the diamond grinding wheel to form The ball is used to complete the grinding of the inner spherical surface of the bearing seat. The invention discloses a method for processing the inner spherical surface of the bearing seat through motion forming, without the need of correcting the grinding wheel, the grinding wheel has a long service life, and the processing accuracy and efficiency are high.

A method for making a holder / optical-element assembly includes the steps of positioning a cylindrical holder material in a press-molding die, the holder material having a void part in the inner circumferential surface, positioning an optical-element material inside the holder material, heating the holder material and the optical-element material to their own softening temperatures, press-molding the holder material and the optical-element material to form a cylindrical holder and an optical element, respectively, thereby fixing the optical element to the inside of the holder, allowing a part of the optical element to project outwardly from the outer edge by pressure created during press-molding, and retaining the projected portion in the void part of the holder.

The invention relates to a tool handle, in particular to an integrated garden tool handle. The handle comprises a handle body and a holding handle; the handle body is composed of an upper supporting body which is fixed with the holding handle and a lower connecting body which is fixed with the tool handle; the supporting body is provided with a convex stiffener; the connecting body is composed of two arc surfaces which are less than the semi-circle; two arc surfaces and the supporting body are an integral connecting structure by punch forming; the integral connecting structure is arranged with a connecting hole. The handle has simple structure and convenient usage, reduces the material usage, has small shape error generated during the assembly process, has no needs of alignment, and effectively reduces the operation difficulty and improves the operation efficiency.

The invention discloses a precise curved-surface grinding method for a grinding wheel with any curved surface. The precise curved-surface grinding method comprises the steps of 1 trimming the grinding wheel, namely trimming the grinding wheel with a corresponding contour curved surface on a grinding stone according to a pre-designed contour curved surface of the grinding wheel, 2 compensating a grinding wheel contour, namely obtaining an actual curved-surface contour of the grinding wheel by detecting an actual contour detection point of the grinding wheel, 3 planning a cutter track, namely gradually looking for a point of contact to obtain cutter track points according to the principle that a normal vector of the actual contour curved surface of the grinding wheel and a normal vector of the free curved surface of a machined workpiece are collinear at the position of the point of contact and then planning the cutter track for curved-surface grinding through a cutter track point cloud, and 4 adopting an axial grinding mode to grind the workpiece according to the cutter track. Compared with the prior art, single-point contact machining of the cutter can be avoided, the abrasion rate of the grinding wheel can be reduced, the shape accuracy of curved-surface machining is greatly improved through contour compensation, and a curved-surface shape error can be reduced by about 50%.

The invention relates to a method and a device for detecting a turntable radius and installation eccentricity four-rotation-position coordinate increments. A rotating shaft of a tested turntable component is fixed on a standard turntable, a circumferential eccentric rotation position fixed point coordinate increment equation set of each point of four rotation positions is established, the equationset is solved to obtain a central deviation coordinate of the turntable at an initial rotation position, and the turntable radius, the installation eccentricity and the central deviation of the turntable at any rotation position are calculated. The device is simple and practical and is easy to operate; the proposed method is simple, convenient, high in precision and is easy to implement, efficient and high-precision measuring device and method are provided for the size and error detection of turntable components, and reference is provided for the fine tuning of the concentricity of the turntable components. The method and device provided by the invention are suitable for the size and eccentricity error detection of the turntable components such as a circular grating, a mechanical modulation disk, a coded disk of a photoelectric encoder, and the like, and are especially suitable for the detection in which the eccentricity error of the turntable is relatively small, and the size and shape errors are much smaller than the eccentricity error.

The present invention discloses a diamond band saw blade. The diamond band saw blade comprises a stainless steel base body, a row of strip-shaped teeth fixed on the stainless steel base body, and a row of sawteeth extruded from the side surface of the stainless steel base body; the strip-shaped teeth and the sawteeth are formed by diamond; the stainless steel base body is band-shaped; the sawteeth project from the stainless steel base body by 3mm; and the front sides of the sawteeth are annular. According to the diamond band saw blade, the stainless steel base body is driven by a rotating shaft to move circumferentially, and the sawteeth formed by the diamond are used for cutting; the diamond band saw blade is high in grinding efficiency, low in shape error and easy to retain; the diamond band saw blade is capable of cutting silicon columns, graphite, jade products, ceramics and other metal materials efficiently; in addition, for partial small changes, the strip-shaped teeth on the outer surface of the stainless steel base body are directly used for shaping; and as a result, the purposes of grinding and cutting are achieved.

The invention relates to the technical field of the technologies for manufacturing ion beam deflection electromagnets-four-channel special-shaped deflection magnets, in particular to a method for manufacturing a vacuum special-shaped deflection magnet with four internal channels. The method for manufacturing the vacuum special-shaped deflection magnet with the four internal channels comprises the steps that the periphery, the upper surface and the lower surface of a left magnet body, the periphery, the upper surface and the lower surface of a right magnet body and the periphery, the upper surface and the lower surface of a middle magnet body are respectively machined, and oblique planes of the three magnet bodies are machined on a large CNC machining center; with the bottom surfaces of the magnet bodies as the criterion, coil grooves are machined in the three magnet bodies respectively on the large CNC machining center; the machined magnet bodies are preassembled; a coil is wound around a machined coil winding die; epoxy vacuum pouring is conducted on the coil; the coil is packaged in a vacuum box after epoxy vacuum pouring is completed; helium mass spectrometer leak detection is conducted on the vacuum box containing the coil, wherein the vacuum degree reaches 1*10<-8> Pa, and the vacuum leak rate is not higher than 1*10<-9>Pa.L / S; the vacuum box, containing the coil, judged to be qualified through leak detection and an iron core are assembled together, and magnetic field testing is conducted. According to the method for manufacturing the vacuum special-shaped deflection magnet with the four internal channels, the magnet manufactured according to the method is simple in structure, assembly is easy and fast, adjustment is convenient, the machining precision is high, and the boundary dimension error and the shape error are small.

The invention discloses a production method for a stainless steel round-link chain. The production method mainly comprises the following steps: selecting raw materials; blanking; performing hot chain weaving; performing shot blasting; performing flash butt welding; stretching and correcting; pickling; inspecting. The production method adopts a high-efficiency, automatic and assembling-line mode; the welding performance and the size precision of a product are ensured by a flash butt welding sequence, so that the appearance error of the product is small, and the product quality is ensured; after pickling treatment is adopted, so that stainless steel large-diameter round-link chain products of Phi 20X100, Phi 26X100 and Phi 30X120 are excellent in corrosion performance; the production method is more suitable for conveying work of high-corrosion chemical solution, such as hydrochloric acid.