43results about How to "Improve precision quality" patented technology

Disclosed is a tire vulcanizing apparatus including: upper and lower circular plates, to which sidewall dies for forming side portions of a tire are attached; respectively; and plural segments, to which tread dies separated as plural pieces for forming a tread portion of the tire are attached; respectively, in which apparatus, the upper and lower circular plates are held by engagement of lug portions, formed respectively on upper and lower portions of the segments, with protrusions on outer circumferential portions of the upper and lower circular plates so as to prevent the upper and lower circular plates from moving away from each other, the apparatus being constituted by providing adjustment plates, used for maintaining a measurement between the upper and lower circular plates, to an interface between the protrusion of each of the upper and lower circular plates and a corresponding one of the lug portions of each segment.

The invention relates to a device for testing the dynamic moisture absorption data of a fabric. The device comprises a constant temperature and humidity box and an electronic balance positioned in the constant temperature and humidity box; the side wall of the constant temperature and humidity box is provided with at least one operation hole; and the device also comprises a testing plug and a measuring plug matched with the through hole. The testing device disclosed by the invention is formed by improving the conventional device and is simple and convenient to manufacture. The testing method is convenient to operate and can be carried out in a laboratory, and the measurement data is high in precision quality through proving.

The invention discloses a multi-station digital pasting system for a lost foam and a pasting method of the multi-station digital pasting system. The multi-station digital pasting system mainly comprises a main rack, numerical control sliding table devices, a pasting system, a transverse movement driving system, a lifting rotating table, a main pouring gate pasting position changing device and an electric system connected with all the parts; by using the system, continuous pasting of a plurality of stations and automatic pouring gate pasting can be realized at one time, and corresponding moulds can be automatically switched according to the combination demand of templates to mount different templates; and compared with the prior art, the pasting system and method are high in automation degree and are used for reducing the cost while reducing the labor intensity of workers, and not only improving the pasting quality of the templates of the lost foam, but also remarkably increasing the pasting efficiency of the templates so as to have a considerable promotional value in the current trend of enterprise technological innovation transformation.

A mass measuring unit includes two driving rollers vertically separate from each other and intersecting the direction of conveyance of a mail matter. Servo motors for driving the driving rollers are connected to torque detection units. A control unit controls motor control units to cause them to impart a rate difference between the driving rollers to rotate the mail matter during its conveyance, and to cause the torque detection units to detect the torque values of the servo motors. The control unit compares the thus detected torque values with the torque values of the servo motors detected when the servo motors are idling without rotating the mail matter, thereby measuring the mass of the mail matter using a calculation unit.

The invention discloses a machine tool of a bending machine for bending a lock beam, and the machine tool comprises a machine tool body (1), a frame bench (2), a feeding mechanism, a clamping mechanism and a bending mechanism; the frame bench (2) is fixedly arranged on the top of the machine tool body (1); the feeding mechanism, the clamping mechanism and the bending mechanism are fixedly arranged with the frame bench (2); according to the machine tool of the bending machine for bending the lock beam, a traditional manual lock beam processing method is mechanized, so that the defects of manual processing that time and labor are consumed and the efficiency is low are overcome; and the invention provides a good-quality and feasible technical scheme for the batch and high-quality processing of lock beams.

A roller taper defect treatment method for a four-high rolling mill mainly includes the following steps executed by a computer of 1 collecting basic device parameters; 2 collecting basic rolling process parameters of products of typical specifications; 3 defining an optimal roller inclining calculation process variable, a roller inclining amount, a roller inclining optimal step size, an objective function, an initial value of the objective function, a working roller channeling amount, a working roller bending force and an optimal roller inclining amount; 4 calculating the working roller channeling amount, the working roller bending force, the roller inclining amount and lateral distribution values of front tension of strips at an outlet of the rolling mill; 5 calculating the objective function; 6 completing the calculation after obtaining the roller inclining amount. The roller taper defect treatment method for the four-high rolling mill can achieve quantitative compensation for roller taper defects, minimizes or even eliminates the impact of the roller taper defects on the shape of the strips, solves the problem that the treatment of strip shape defects caused by roller taper is almost entirely dependent on experience of field operators and improves the accuracy quality of rolled strips.

A method of manufacturing a component of a rotary machine, the component has at least one inner passage that extends from a center up to a boundary surface of the component and is at least partly closed, and a blank is provided that includes the boundary surface and a top surface. The Method includes a first subtractive machining step that is carried out in which a part of the passage that at least includes an opening of the passage into the boundary surface as well as a cut-out in the top surface are manufactured by machining production, and subsequently the passage is completed by build-up production on the blank.

The invention provides a film laminating and heat sealing integrated production line, belongs to the field of packaging equipment. The film laminating and heat sealing integrated production line comprises a lower shovel flattening assembly, a corner folding assembly and an end surface flattening assembly which are sequentially arranged along the assembly line, wherein a heat sealing assembly is arranged over the lower shovel flattening assembly, and the heat sealing assembly and the lower shovel flattening assembly share a power source and move up and down relative to the corner folding assembly. A packaging box is coated with a film and then passes through the lower shoveling flattening assembly and the heat sealing assembly for connection after film laminating, the packaging box enters the corner folding assembly for the end face corner folding action and the end face sealing action after corner folding while the packaging box is continuously pushed, then the packaging box enters theend face flattening assembly for flattening and hot covering of the upper and lower sections, and finally the package box is discharged for the next procedure. The film laminating and heat sealing integrated production line integrates film laminating and heat sealing, the intermediate transfer link of the packaging box is omitted, the secondary feeding and repeated positioning are also avoided, therefore, the working efficiency is improved, and the manpower is saved.

The invention relates to a high-precision lower drive type roller driving mechanism, and belongs to the field of shaft lever correction. The high-precision lower drive type roller driving mechanism comprises a high-precision roller lower drive mechanism driven end and a high-precision roller lower drive mechanism driving end, the lower surfaces of the high-precision roller lower drive mechanism driven end and the high-precision roller lower drive mechanism driving end are planes, and the planes are matched with the upper surface of a workbench and can slide on the surface of the workbench. Themechanism can achieve rotation driving of various shaft rod parts such as polished shafts and lead screws which are equal in diameter, variable in diameter, free of center holes, different in lengthand different in diameter. Compared with a conventional roller device, the high-precision lower drive type roller driving mechanism overcomes a series of technical defects of low precision, easy slipping, poor adaptability and the like when rotating measurement is carried out by taking a roller as a reference. The mechanism has the advantages of being high in rotation reference precision, wide inapplication range of workpieces, flexible and convenient to operate, convenient to adjust, capable of breaking through automatic shaft straightening with the outer circle as the reference and meetingthe high-precision straightness requirement, easy to assemble, compact in structure, convenient to produce and the like.

The invention relates to a scrap-jumping prevention stamping die stamping method. A blanking tool edge is provided with a blanking section in the shape of an inverted circular truncated cone. The scrap-jumping prevention stamping die stamping method is characterized in that an inlet and an outlet are each provided with a stamped part compaction limiting mechanism (A), wherein each stamped part compaction limiting mechanism (A) acts on a stamped part (10). The stamped part compaction limiting mechanisms are arranged on a lower die base, and the stamped part compaction limiting mechanisms can not only position the stamped parts but also compact the stamped parts, guarantee the stamping quality of the stamped parts, and even play an automatic safe discharge role after stamping is completed.

The invention discloses a laser impact tensioning device and method for a circular saw web. The device comprises a clamp, a rotatable clamping device, a driving device, a laser device and a laser device displacement device. The method includes the steps that the end faces of the two sides of the circular saw web are coated with an absorbing protection layer material; the end faces of the two sides of the circular saw web are coated or sprayed with a restraint layer material; and laser beams are used for synchronously and symmetrically applying laser impact to the end faces of the two sides of the circular saw web. According to the laser impact tensioning device and method, the problems that existing tensioning methods such as hammering and roller pressing are low in efficiency, poor in accuracy, low in automatic degree, not ideal in tensioning effect and the like can be solved, promotion of the manufacturing level, the yield, the performance and the quality stability of the ultra-thin circular saw web is facilitated, the service life of a cutter can be prolonged, wood sawing losses are reduced, and the environmental pollution is reduced.

The invention discloses a servo motor capable of efficiently shielding high-frequency interference. The servo motor comprises a servo driver, a screw rod and an anti-high-frequency interference box, wherein the screw rod is driven by the servo driver; the anti-high-frequency interference box covers the outside of the servo driver; a through hole is formed in the box wall of the anti-high-frequency interference box; the screw rod extends out of the anti-high-frequency interference box through penetrating through the through hole; the servo driver is arranged on the inner bottom surface of the anti-high-frequency interference box through a shock-resistant suspension assembly; the shock-resistant suspension assembly comprises a connection screw rod; a mounting part, a convex shoulder and a sleeve part are sequentially arranged on a rod body of the connection screw rod; the mounting part is connected with the bottom of the servo driver; the sleeve part is sequentially sleeved with a cover board, a metal rubber spring ring, a mounting base and a mounting plate; the cover board and the metal rubber spring ring are sequentially clamped and pressed between the convex shoulder and the mounting base; the mounting plate is connected with the tail end of the sleeve part through a fastener; a plurality of springs are arranged at the bottom surface of the mounting plate; and the plurality of springs vertically extend and are connected to the inner bottom surface of the anti-high-frequency interference box. The servo motor has high shielding property and high accuracy and quality, and is low in cost, efficient and energy-saving.

The invention relates to a high-precision stamping method for an anti-tripping waster material stamping die. A stamping cutter edge is provided with an inverse frustum-shaped stamping section. The method is characterized in that a stamping component compressing and limiting mechanism (A) which acts on a stamping component (10) is arranged at each of an inlet and an outlet of the anti-tripping waster material stamping die. Due to the fact that one stamping component compressing and limiting mechanism is arranged at each of the inlet and the outlet of the anti-tripping waster material stamping die and can act on the stamping component in both the horizontal direction and the vertical direction, the stamping component can be well limited and fixed, and a stamped product is higher in precision and quality.

The invention discloses an injection molding machine die assembly thrust seat linear displacement measuring data processing method. The method includes: acquiring measured linear displacement data series and corresponding time data series, determining the total length of the data series, taking one section of effective data, allocating a serial number to each datum, using the time data series as horizontal axis value and the linear displacement data series as longitudinal axis value, displaying a displacement-time curve, and calculating the average value of all effective displacement data; traversing the displacement data series, segmenting circulation by using the displacement location closest to the average value as the starting point and in the displacement ascending direction, and recording the displacement vale, time value and data serial number information of the location; traversing the displacement data series, counting circulation number and datum number in each circulation according to the circulation segmenting point, searching for the maximum displacement valve and die assembly displacement value of each circulation, and calculating stroke value. The method has the advantages that relations among data are found according to measured discrete data series, and the motion features of the thrust seat can be analyzed.

The invention discloses a processing device for a smart phone. The processing device comprises a bottom plate, a top plate, a material seat movably arranged between the bottom plate and the top plate,and at least one pushing mechanism; the bottom plate and the top plate are connected through a plurality of supporting plates; the pushing mechanism is located on the side edge of the bottom plate; ato-be-processed material is arranged on the material seat; the pushing mechanism comprises a guide column, a rack movably installed on the guide column, a positioning column, an ejection air cylinderand a clamping tongue which is embedded into the rack; the upper ends and lower ends of the guide column and positioning column are connected with the top plate and the bottom plate respectively, therack is movably connected with the guide column through at least one sliding block; and the piston rod of the ejection air cylinder is connected with the sliding block. According to the processing device, the to-be-machined material placed on the material seat can be automatically fed; and therefore, manpower is replaced, processing efficiency is improved, errors of manual feeding can be avoided,processing precision is guaranteed, accidental injuries to workers can be avoided, and the automation level of equipment is improved.

The invention discloses an anti-high frequency interference servo motor which comprises a servo driver, a screw rod driven by the servo driver and an anti-high frequency interference box covering the servo driver, wherein a through hole is disposed in the box wall of the anti-high frequency interference box, the screw rod passes through the through hole in order to be extended out from the anti-high frequency interference box, and the servo driver is installed on the bottom inside the anti-high frequency interference box by an anti-seismic suspension assembly; the anti-seismic suspension assembly comprises a connecting screw rod, the rod body of the connecting screw rod is successively equipped with an installation part, a raised shoulder and a sleeving part, and a floating rotary ball is connected to the tail end of the connecting screw rod; and the installation part is connected to the bottom part of the servo driver, the sleeving part is successively sleeved by a cover plate, a metal rubber spring, an installation base and an installation plate, and the cover plate and the metal rubber spring are successively clamped and pressed between the raised shoulder and the installation base. The anti-high frequency interference servo motor provided by the invention can still be used normally under a high frequency (high harmonic wave) or an electromagnetic wave, has high shielding performance and high precision, and is low is cost, efficient and energy-saving.

The invention discloses a method for calculating convexity conversion relationship between a work roll and a support roll of a four-high mill. The method mainly comprises the following calculation steps: 1, collecting basic parameters of rolls; 2, defining a maximum convexity coefficient, a maximum opening degree coefficient, an optimum convexity coefficient and an optimum opening degree coefficient of the support roll; 3, defining a target function and initializing the target function; 4, calculating export plate shape value distribution under specific conditions of convexity and opening degree coefficients of the work roll; 5, calculating export plate shape value distribution when the work roll is a flat roll and the support roll is in a corresponding roll shape; 6, calculating the target function; and 7, obtaining the optimum convexity coefficient and the optimum opening degree coefficient of the support roll. According to the method disclosed in the invention, the convexity conversion between the work roll and the support roll can be calculated, so that the consistency of the strip outlet plate shapes is ensured to the greatest extent, the problem that the work rolls with convexity alternates to generate complicated roll cleaning so as to make the plate shape worse under certain specific conditions is solved, and the precision and quality of plate rolling under certain specific conditions are improved.