430results about How to "Small size error" patented technology

The invention discloses a double-station numerical control machining center which comprises a main machine tool component and an upper discharging component, wherein the upper discharging component comprises two material storing shelf components, two feeding mechanisms, two discharging mechanisms and two material clamping mechanisms symmetrically mounted on a mounting frame at the left side and the right side for forming the material storing, feeding, clamping and discharging function; a structure on a pedestal component is used for adjusting the distance of the mounting frame and used for offering the power output for feeding and discharging operation; the main machine tool component can be driven by the motor lead screw driving mechanism for moving in X axis direction, two Y axis components are mounted on the X axis mobile pedestal and driven by the motor lead screw driving mechanism for moving in Y axis direction; two Z axis components are respectively fixed at the ends of two Y axis components, and rotating shaft components are mounted on the Z axis moving plate; the AB rotating shaft components are connected with the an electric main shaft in a driving mode, and the electric main shaft is four-end electric main shaft; four cutters are arranged on each of two four-end electric main shaft, and eight different cutters are used for processing the wood.

A glass substrate manufacturing method of this invention includes a first chemical strengthening process for chemically strengthening a plate-like glass member by ion exchange, a cutting process for cutting the plate-like glass member into small pieces after the first chemical strengthening process, thereby obtaining a plurality of glass substrates, and a second chemical strengthening process for chemically strengthening the glass substrates by ion exchange after the cutting process.

Disclosed is a pole sheet laser cutting machine. It comprises a base frame component, a laser cutting device, a cutting manipulator component for driving the laser cutting device, a control system, and at least one sheet feeding assembly; the sheet feeding assembly comprises a material grabbing manipulator component, a fixed length feeding component and a material releasing component, with both the cutting manipulator component and the material grabbing manipulator component being mounted on the base frame component, the fixed length feeding component being arranged between the material grabbing manipulator component and the material releasing component, and the control system being connected to the cutting manipulator component, the material grabbing manipulator component and the fixed length feeding component. The present invention achieves the sheet making process for lithium ion batteries or super capacitors by applying laser technology, which is able to overcome the problems that existed in the prior art through applying a traditional cutting process so that the pole sheets were easily deformed and the burrs were relatively large, etc., and at the same time, the quality of the sheet making process and hence the rate of acceptable products are improved through the control of the control system.

Method for reducing the fogging effect in an electron beam lithography system wherein the exposure is controlled in order to obtain resulting pattern after processing which are conform to design data. A model for the fogging effect is fitted by individually changing at least the basic input parameters of the control function, the function type is chosen in accordance to the Kernel type used in the proximity corrector. The proximity effect is considered as well and an optimised set of parameters is obtained in order to gain a common control function for the proximity and fogging effect. The pattern writing with an e-beam lithographic system is controlled by the single combined proximity effect control function and the fogging effect control function in only one data-processing step using the same algorithms as are implemented in a standard proximity corrector.

The invention relates to a subassembly (1) and a method for the production thereof. Said subassembly (1) comprises a first and a second part (2, 3), the first (2, 3) of which is cold-formed. Said parts (2, 3) are provided with parallel planar pieces (20, 21) and contact areas that extend at an angle therefrom in order to place the two parts (2, 3) against each other without leaving a gap therebetween while being joined to each other at the butt joint (16) via a welded seam (17) created by means of beam welding. The planar pieces (20, 21) are disposed so as to be misaligned relative to each other by an offset (19). One of the parts (2, 3) is provided with a contacting projection (6) which embodies the contact area of the first part (2). The parts (2, 3) are positioned relative to each other in such a way that the second part (3) forms the butt joint (16) along with the first part (2) in the section of the first part (2) in which an offset thickness of the basic material is smaller than the offset thickness of the structure in a deformation zone (18) created on the first part (2) by cold forming.

The invention belongs to the technical field of production equipment of absorptive hygienic products, and discloses an automatic packaging mechanism for a single-piece absorptive hygienic product. A packing system is sequentially provided with a multi-stage conveying unit, a film packaging and folding device and a heat sealing and cutting combination unit in the conveying direction. The multi-stage conveying unit sequentially comprises a front portion conveying unit, a middle conveying unit in the middle and a rear portion conveying unit which are operated independently. The middle conveying unit is provided with a synchronous conveying belt, baffles which protrude out of the surface of the conveying belt are evenly arranged on the surface of the conveying belt at intervals, and the hygienic product is conveyed on the portion, between the adjacent baffles, of the synchronous conveying belt. The automatic packaging mechanism for the single-piece absorptive hygienic product can be applied to single-piece packaging of the larger and thicker hygienic product such as sweat pants, has the beneficial effects of being high in packaging yield, low in size deviation, high in production speed and the like, and can adapt to high-speed development requirements of the hygienic products.

The invention provides an error compensating method for material-increase manufacturing. The method includes the steps that model data of a part are read, and a three-dimensional digital model of the part is established according to triangular face sheets; an independent correction offset is set for each triangular face sheet and determined by a normal vector of the triangular face sheet and the semi-ellipsoidal shape of a sedimentation unit at the position where the triangular face sheet is located; all the triangular face sheets forming the three-dimensional digital model of the part are deflected to the interior of the part according to the set independent correction offsets corresponding to the triangular face sheets, a three-dimensional digital correction model of the part is obtained, and the manifold property of the three-dimensional digital correction model of the part is maintained; and layering and material-increase manufacturing of each layer are directly performed to achieve path control of a sedimentation path according to the three-dimensional digital correction model of the part, and a subsequent material-increase manufacturing craft process is driven. The error compensating method can reduce anisotropy forming errors caused by anisotropy of the size of the sedimentation unit during material-increase manufacturing and increase material-increase manufacturing precision and forming quality.

The invention belongs to the technical field of chemical milling, and relates to improvement of a manufacturing method of a large-sized airplane chemical milling skin three-dimensional chemical milling sample plate. The method is characterized in that the three-dimensional chemical milling sample plate is manufactured through the following steps: establishing a standard sample board technological digital-analog data set; manufacturing a standard sample board; establishing a chemical milling sample template technological digital-analog data set; manufacturing the three-dimensional chemical milling sample board. According to the improved manufacturing method of the airplane chemical milling skin three-dimensional chemical milling sample plate, the dimensional error of a perspective hole in the three-dimensional chemical milling sample plate can be greatly reduced, and the mold scribing accuracy and the sample plate forming accuracy are improved, so that the dimensional accuracy of the airplane chemical milling skin is guaranteed.

The invention relates to a peripheral blood circulation tumor cell detection chip and a system thereof. The detection chip comprises a substrate, and the substrate is provided with an interdigital capacitance circuit and a spiral inductor metal circuit connected with the interdigital capacitor circuit; the interdigital capacitor circuit tightly laminated with a single layer graphene film; the graphene film is laminated with a micro-fluidic control channel; the micro-fluidic control channel and the single layer graphene film form an integrated graphene micro-fluidic pipe screening microchip for screening tumor cells; the single layer graphene film, the interdigital capacitor circuit and the spiral inductor circuit form a whole RCL resonance network; the spiral inductor circuit is also used as a cross coupling antenna. The detection system comprises a detection signal reading and analysis device, and the peripheral blood circulation tumor cell detection chip. The chip and the system can realize the fast, sensitive, accurate and cheap detection of tumor cells.

The invention discloses a photocurable resin-based ceramic composite material and a ceramic green body degreasing method. By optimizing the design of a resin system, the method increases the penetration depth of a ceramic slurry system and reduces the molding dimensional error while maintaining the system reaction activity; furthermore, the interlayer bonding force of a ceramic green body and theadhesion between the ceramic green body and a printing platform are improved, and the detachment between the ceramic green body and the platform as well as the cracks on the surface of the ceramic green body are reduced.

The invention discloses a method for automatically compensating a numerical control machining size error based on a fractional order. The method comprises the following steps of performing machining, and measuring the size of a machined workpiece to obtain actual machining size data; comparing expected size data with the actual size data to solve a size error, and analyzing the error to identify a system order; calculating the amount of error compensation to be applied before the machining of the next workpiece according to the system order and a size error generated during the machining of the previous workpiece by adopting an iterative learning control law; and correcting a numerical control machining program for the workpiece by using the amount of error compensation before the machining of the next workpiece, and performing numerical control machining on the next workpiece by adopting the corrected numerical control machining program. The size error is automatically compensated by programming and developing numerical control machining size error compensation processing software based on the steps. The size error of the machined workpiece is integrally reduced, the machining accuracy is improved, the qualified rate of the workpiece is remarkably increased, and the remarkable error compensation effect is achieved.

The invention discloses a method for preparing a shape memory alloy intravascular stent based on the automatic powder laying laser combination machining technology. The method comprises the steps that according to a three-dimensional data model of a part to be machined, a high-energy laser beam melting and mixing powder system is utilized, the manner of laying powder layer by layer and carrying out fusing overlaying accumulation layer by layer is carried out until a intravascular stent blank of a mesh structure is formed finally, and then electrochemical polishing is carried out to reach the specific surface roughness requirement. The intravascular stent prepared through the method is based on the unique superelasticity function and the shape memory effect of shape memory alloy, and the occurrence rate of vascular restenosis of the intravascular stent in clinical application can be effectively reduced; by means of mechanical performance and living body environment simulation tests, the intravascular stent has the good biological tissue and blood compatibility and meets the medical application condition; furthermore, based on the advantage of superhigh manufacturing precision of the laser combination machining technology and protection of inert gas in the forming process, the problems of surface roughness, burr, oxidation and the like of a traditional intravascular stent in the preparing process are effectively solved.

The invention discloses a light-cured resin based ceramic composite material capable of providing the bright and clean contour of a formed part and a blank degreasing method of a ceramic blank. By optimally designing the resin system, the transmission depth of the ceramic slurry system can be improved and the dimension errors of the formed part are reduced while the reaction activity of the systemis maintained; the interlayer binding force of the ceramic blank and the adhesive property between the ceramic blank and a printing platform are increased, and the distance between the ceramic blankand the platform and cracks on the surface of the ceramic blank are reduced; moreover, the regularity of powder particles arranged along a model surface is improved, so that the material can be made into a model with improved brightness and cleanness of the contour.

There is provided a method for correcting a photo mask, which allows the difference between a test mask and a corrected mask with respect to an error of line width depending on coarse/dense pattern to be decreased when the photo masks are corrected by optical proximity effect correction. The present method is consisted of: producing a test mask which acts as a mask for extracting process model for applying an optical proximity effect correction method (s1); transferring and measuring the dimensions of the transferred pattern using the test mask (s2 and s3); obtaining a function model (referred to as process model) of which a simulated result of the transferred pattern of a mask pattern of the photo mask using a function model matches the measured result (s4); obtaining a mask pattern of which a transferred pattern matches a designed pattern using said process model and creating mask data in accordance with the obtained mask pattern (s5); producing a corrected mask in accordance with the created mask data (s5); and setting an exposing condition where an OPE characteristic becomes flat with respect of wide and narrow pitches by adjusting at least one of a numerical aperture (NA) and a coherence factor (σ) of an exposing device when the corrected mask is transferred.

The invention relates to a manufacturing method of wood trays, including the following steps of: forming front components of wood trays; turning over the front components of the wood trays; forming back components of the wood trays at back sides of the front components of the wood trays to produce the wood trays; postprocessing procedures; lining up and stacking the wood trays into a block; and exporting and carrying the whole block of wood trays stacked well into a warehouse. Compared with the prior art, the invention has the advantages that only 4 to 6 operators are needed in the whole production line, which equals the production efficiency of 20 operators with manual operation; the amount of labor can be saved by 70 percent and the production efficiency can be increased by more than 5 times; the labor intensity of workers can be reduced; the wood trays are lined up in order and can be staggered positively and negatively to save space; and single-deck trays can save space by more than 40 percent, site and space can be saved, and all processing equipment can be installed on the production line.

The invention discloses a method for manufacturing a laminated steel plate. According to the method, two different types of metal powder are used to be laid alternately, the laser selected region layering fusion technology is adopted, and the powder is directly printed and formed into the laminated steel plate. Compared with a traditional laminated steel plate manufacturing process, by the adoption of the method, the laminated steel plate meeting the use requirement can be directly printed. The method has the advantages that the structure, the components and the performance of the laminated steel plate are equivalent to those of a laminated steel plate manufactured through the traditional process, manufacturing cost is low, forming efficiency is high, the types of the powder can be changed and scanning routes can be set according to different requirements, and therefore laminated steel plates of different types can be produced.

A charged particle beam writing apparatus includes an irradiation part configured to irradiate a charged particle beam; a first shaping aperture member having passing areas, that the charged particle beam passes through, on both sides of an area blocking the charged particle beam; a deflection part configured to deflect the charged particle beam that has passed through the first shaping aperture member; a second shaping aperture member having passing areas, that the charged particle beam passes through, on both sides of an area blocking the deflected charged particle beam; and a stage on which a target workpiece irradiated with the charged particle beam that has passed through the second shaping aperture member is placed.

The invention discloses a full-automatic plate shearing machine. The machine comprises a feeding device, a shearing device and a discharging conveying belt, wherein a limiting mechanism is arranged in the feeding device, a proximity switch for controlling a shearing mechanism to work is arranged in the shearing device, and the discharging conveying belt is arranged below a discharging end of the shearing device. According to the full-automatic plate shearing machine, automatic feeding of steel strips, automatic shearing according to preset dimensions and automatic discharging of steel plates can be realized, dimension errors of steel plate products are small, and the percent of pass is high.

The invention relates to the technical field of material machining equipment, in particular to a strip steel automatic cutting machine. The strip steel automatic cutting machine comprises a machine frame. A limiting device, a material guiding device and a cutting device are arranged from the front to the back in sequence on the machine frame. A material transmitting frame is arranged at the back of the cutting device. A material transmitting working platform is arranged on the material transmitting frame. A location sensor is arranged on the material transmitting working platform. The strip steel enters from the limiting device when the strip steel automatic cutting machine is operated. The strip steel is pulled and transmitted by the material guiding device and is sent to the material transmitting working platform by the cutting device. The strip steel is cut by the cutting device movement and the cutting movement is completed when the arriving of the strip steel is sensed by the location sensor. Measuring and cutting processing of the strip steel are not needed to be carried out by the manual work. Labor productive force is greatly saved, Labor productivity is improved and the size errors of the strip steel are reduced.

The invention provides a bent pipe welding, positioning and locking device. The device comprises a base; a first support base, a second support base and a bent pipe positioning mechanism are mounted on the base in sequence from right to left side by side; a branch pipe positioning mechanism is mounted between the first support base and the second support base; a first locking fixture is mounted onthe second support base; the bent pipe positioning mechanism is mounted on the left side of the second support base; and a second locking fixture is fixed on the side wall of the bent pipe positioning mechanism, and is positioned below a positioning and locking block. The bent pipe welding, positioning and locking device can realize quick positioning and butt joint of pipe fittings with differentshapes and guarantee the butt joint quality through presetting the first support base, the second support base, the first locking fixture, the bent pipe positioning mechanism and the second locking fixture; the branch pipe positioning mechanism can guarantee welding angles of a branch pipe with a first pipe tube and a second pipe tube to meet requirements; and the first locking fixture and the second locking fixture can realize quick locking of a straight pipe and the second pipe tube.

The invention discloses an automobile front-end module loading frame. A main frame body of the automobile front-end module loading frame is of a plastic square frame structure formed in a one-time injection molding mode. Metal-structured inverted T-shaped stiffening beams are added between an upper frame and a left frame of the main frame body and between the upper frame and a right frame of the main frame body, so that the overall weight reduction is achieved, and strength and stability of the automobile front-end module loading frame are both improved. The automobile front-end module loading frame is suitable for integrating and accurate installing of parts and components at the front ends of automobiles.