112results about How to "Guarantee the quality of workmanship" patented technology

The invention relates to an in situ deposit-aqueous interface water-quality sampler and a sampling method thereof. The sampler adopts a group of sampling plates and a group of protecting plates to clamp osmosis membranes and fix the osmosis membranes together by screws; the sampling plate is divided into an interstitial water sampling section of deposit and an overlying water sampling section of an interface in longitudinal direction; a plurality of transverse grooves which have longitudinal intervals of 2mm to 3mm are arranged on the interstitial water sampling section of deposit and the overlying water sampling section of the interface; the volume of the groove is between 2000microlitre to 4000microlitre; an interfacial limiting plate is arranged between the interstitial water sampling section of deposit and the overlying water sampling section of the interface; the sampler realizes in situ collection of deposit-aqueous interface water-quality samples, adopts an interfacial limiting device, and can accurately determine the deposit-aqueous interface; the sampler is equipped with a weight drop and a retrieve rope, can be used in aquatic deeper lakes, and has operability, site throwing and convenient retrieving; and the volume of each layer of water-quality sampling room reaches to 4000microlitre and can complete more index analysis simultaneously.

The invention discloses a preparation method of a film LED chip device based on the gapless plane bonding; the method makes use of the smooth surface of an epitaxial wafer without isolated processing to prepare a permanent or temporary substrate; then laser beams are used for unit isolated processing of devices at the interface position between the epitaxial layer and the substrate so as to ensure the combination yield rate of the substrate and the epitaxial layer, thereby ensuring the film-remaining yield rate of the epitaxial thin film layer after laser stripping and also simplifying the traditional production process.

The invention relates to the technical field of optical waveguide coupling and provides a planar optical waveguide structure and a coupling structure and a coupling method thereof. The planar optical waveguide structure comprises a single-mode active device and a planar optical waveguide, wherein the planar optical waveguide comprises a silicon dioxide waveguide for transmitting optical signals, the silicon dioxide waveguide is composed of a coupling section and a conduction section, the coupling section is of a trapezoidal structure or a reverse trapezoidal structure, the face, coupled with the single-mode active device, of the coupling section is a trapezoid top, and the face, connected with the conduction section, of the coupling section is a trapezoid bottom. A coupling spacing gap is preformed between the single-mode active device and the planar optical waveguide. Passive beam focusing and direct coupling from a laser device to PLC are completed by adopting the planar optical waveguide structure, the structure can be completed by adopting an automatic device, the process quality can be greatly ensured, the time for beam focusing and welding is shortened, and accordingly the purpose of reducing the costs is achieved.

The invention relates to a multi-edge solidness alloy drill, which belongs to the technical field of metal processing tool. The invention comprises a shank, a chamfer cutting edge arranged at the lower part of the shank, and a thread processing edge arranged at the lower part of the chamfer cutting edge, an aligning edge is arranged at the lower part of the thread processing edge, the chamfer cutting edge is of a spiral shape and can be extended and arranged at the lower part of the shank with equal-interval, and a first plow groove is formed between two adjacent chamfer cutting edges; the thread processing edge is of a spiral shape and can extend downward with equal-interval along a first bottom face of the chamfer cutting edge, a second plow groove connected with the first plow groove is formed between two adjacent chamfer cutting edges, the aligning edges are narrowed and extended serially to the center along the second bottom face of the thread processing edge and merged mutually in the center part, and a third plow groove connected with the second plow groove is formed between every two aligning edges. The invention has the advantages that the frequently drill changing during the processing of the hole shape can be avoided and the technical quality can be ensured; the invention is beneficial for the metal processing company to save the work fixture and the equipment cost; the processing efficiency can be improved above four times.

The invention discloses a circuit-T grid preparing method of high-electron mobility transistor, which comprises the following steps: preparing primitive substrate; cleaning; marking; preparing separation island; evaporating source-drain metal; stripping; alloying; cleaning the substrate; coating PMMA glue; baking; fetching the substrate; exposing the glued substrate through electron beam; developing PMMA glue on the substrate; fixing image; blowing. The method is compatible with advantages of present two T-typed grid preparing method, which avoids each defect simultaneously.

The invention discloses a temperature compensation method. The method comprises the steps that a plurality of second temperature sensors are installed on a silicon wafer keeping piece; the silicon wafer keeping piece is placed into a treatment container, and the second temperature sensors correspond to a plurality of first temperature sensors in the treatment container in a one-to-one mode; a heater is controlled to take the second temperature sensors as a temperature control object to adjust the temperature inside the treatment container, temperature collected by the second sensors rises to reach a plurality of discrete temperature points, and the collected temperature is controlled to be kept constant for a certain time period at discrete temperature points when converged at the discrete temperature points; the temperature collected by the first temperature sensors and the temperature collected by the second temperature sensors are periodically recorded within the constant temperature time period of each discrete temperature point, and a temperature difference value is calculated; in the actual heat treatment technology, according to the discrete temperature points and the corresponding temperature difference value, the temperature difference value corresponding to target temperature is calculated through a linear interpolation method and used as a temperature compensation value of the temperature collected by the first temperature sensors. The temperature compensation method can truly reflect the silicon wafer temperature.

The invention relates to a loosening moisture regain machine capable of improving the stability of the leaf moisture content and a control method. The control method comprises the following steps that firstly, the water addition is kept unchanged, different steam flows are set through a steam regulating valve, the moisture of leaves discharged from a material discharging port is detected through a moisture detector, and a numerical value of the moisture of the leaves is recorded; secondly, the steam addition is kept unchanged, different water additions are set through a water regulating valve, the moisture of leaves discharged from the material discharging port is detected through the moisture detector, and a numerical value of the moisture of the leaves is recorded; thirdly, a relation of equivalence between influences of steam on the moisture of the leaves and influences of water on the moisture of the leaves is obtained. According to the control method for improving the stability of the leaf moisture content, a total water addition ratio is set, so that the moisture of the tobacco leaves is more even and more stable after the leaves are loosened and the moisture is regained and the technical quality of products is effectively guaranteed.

The invention discloses a method for manufacturing automotive equipment capable of automatically punching plastic nozzles. The equipment comprises a process table, a mechanical propping plate, a prepressing plate and a nozzle collecting box, wherein a conveying air cylinder is arranged on the surface of the process table; a lower die plate is arranged on the top of a moving plate; fixing columns are arranged on the surface, at two sides of guide rails, of a process table; the mechanical propping plate is arranged on the tops of the fixing columns; a punching cylinder is arranged on the top ofthe mechanical propping plate; a pressure bearing column is arranged at the output end of the punching cylinder; an upper die fixing plate is arranged at the bottom of the pressure bearing column; theprepressing plate is arranged at the bottom end of the upper die fixing plate; pillars are uniformly arranged at the bottom of the process table; a supporting bottom plate is arranged at the bottomsof the support columns; and the nozzle collecting box is arranged below the process table inside the supporting bottom plate. The equipment disclosed by the invention has the beneficial effects that through a series of structures, plastic products can be accurately placed in the process of punching the plastic nozzles; the punching accuracy and the punching efficiency are increased; and the subsequent processing is facilitated.

The invention relates to a scheduling control method for a wafer loading device of semiconductor heat treatment equipment, and a system. The method comprises steps that, a management configuration file of a management and control flow is pre-set or set in real time; a take and put mapping relation between a wafer box and wafers is established according to configuration items in the configuration file, distribution situations of all wafers in the wafer box before loading operation are respectively recorded in a file according to a wafer quantity check mode before displacement; during wafer take and put operation, the wafer management and control flow is established according to the take and put mapping relation and the recorded file, loading and unloading of the wafers relative to the wafer box are carried out through a manipulator, the recorded file is updated in real time according to wafer distribution situations after loading and unloading operation, finally, the recorded file after update is contrasted to determine whether parameters reach or surpass corresponding parameters in the configuration file. According to the method, through software and hardware combination design for the semiconductor equipment, the wafer scheduling management function of the semiconductor diffusion equipment in a non-configured wafer loading device storage bin is realized.

The invention discloses a paper product production quality intelligent inspection method and a system, and the method comprises the steps: firstly calculating the impact degree values of all production quality evaluation indexes of a paper product on the technological performances of a paper product finished product, determining a core evaluation index according to the impact degree values, and determining a core production process corresponding to the core evaluation index; moving detection equipment to perform image acquisition on paper products produced in the core production process beforeentering a next production process, carrying out defect detection on the collected images, then moving the detection equipment to send defect detection information to a mobile quality control terminal, and finally adopting the mobile quality control terminal to analyze the received defect detection information; and regulating and controlling the production equipment of the corresponding production process. According to the method, on the premise of ensuring the process quality of paper products, the process processing capacity, the defect monitoring capacity and the equipment control capacityof a production line are balanced and optimized, and the limited defect monitoring capacity is applied to the most critical detection point.

The invention relates to a chemical equipment pipe supporting frame which comprises a support, a supporting rod and a pipe clamp. The pipe clamp comprises an upper hoop and a lower hoop which are both in semicircular ring shapes, one end of the upper hoop is hinged to one end of the lower hoop, and the other end of the upper hoop is in bolt connection with the other end of the lower hoop; an adjusting rod comprises a first vertical rod connected with the lower hoop, a first transverse rod connected with the bottom end of the first vertical rod, a first screw rod and a second screw rod, and the first screw rod and the second screw rod are connected with the two ends of the first transverse rod, and are correspondingly embedded into through holes in the support; and the first screw rod is in clamped connection with the support through a first upper nut and a first lower nut, and the second screw rod is in clamped connection with the support through a second upper nut and a second lower nut. By means of the above structure, a chemical equipment pipe can be effectively supported and fixed, the vibration influences on the pipe can be effectively prevented or greatly reduced, and therefore the process quality and the construction safety of chemical equipment are further guaranteed.

The invention relates to the technical field of automobile accessory production equipment and particularly discloses an automobile steel plate trimming device which comprises a telescopic shaft. A positioning part is arranged on the telescopic shaft, a supporting table is arranged on the top of the telescopic shaft, a first rotating shaft is arranged on one side of the telescopic shaft, and a polishing wheel is arranged on the first rotating shaft; a first decelerating mechanism and a second rotating shaft are arranged between the first rotating shaft and the telescopic shaft, a second decelerating mechanism is arranged between the first rotating shaft and the second rotating shaft, a transmission roller is arranged on the second rotating shaft and connected with a tensioning roller through a conveying belt, and an electromagnet is arranged in the polishing wheel; airbags are arranged on the conveying belt, liquid inlets are formed in the tops of the airbags, liquid outlet pipes are arranged at the bottoms of the airbags, and movable blocks are arranged in the airbags; and magnetic poles on the sides, close to the liquid outlets, of the movable blocks are the same as a magnetic pole of the electromagnet, and the concave parts of the airbags are provided with attracting nets coated with magnetic layers. When the automobile steel plate trimming device is adopted to trim a steel plate, cooling and metal debris attracting treatment are conducted on the polishing wheel, and the quality of the steel plate is improved.

The invention relates to a device for winding a rubber strip on the inner wall of a roller, comprising a roller, a roller wheel bracket, a limit rod, a stand, a rubber strip feeding mechanism, a movable platform mechanism, a rubber strip turning mechanism, a rubber strip guiding mechanism and a winding arm. The roller is arranged above the roller wheel bracket; the rubber strip feeding mechanism and the movable platform mechanism are respectively fixed above the stand; the rubber strip turning mechanism is fixed above the movable platform mechanism and on the side surface of the movable platform; and the winding arm is fixed under the movable platform. The invention realizes automatic winding of the rubber strip, furthest decreases the influence on winding effect caused by rotation sideslip of the roller, protrusion of welding joint on the inner wall of the roller, and the like, replaces manual winding working mode of an operator to reduce the labor intensity of the technical personnel, improves the efficiency of the winding process, and ensures the processing quality. The invention can be applied to the production of molding processes of rubber layers on the inner wall of rollers with different diameters, thereby having wide application prospect.

The invention relates to a welding method for steel pipe intersection in the construction industry and is suitable for multi-limb steel pipe bearing column vertical intersection connection and stiffness enhancing, assembly welding, butt joint and construction. An oblique crossing circular pipe intersection face inner insertion plate turning connection structure comprises oblique crossing circular pipes and a pier connected with the oblique crossing circular pipes, a longitudinal turning connection plate is axially inserted in an intersection face of the oblique crossing circular pipes in a through mode, the longitudinal turning connection plate extends out of the intersection face in the radial direction and axially extends into the pier, limb pipes of the oblique crossing circular pipes are fixed to the longitudinal turning connection plate in a welded mode, and the longitudinal turning connection plate is fixed to the pier in a welded mode. The limb pipes and turning connection plates inserted in the intersection face are independently welded through a multi-limb steel pipe column intersection technology, stress dependence of the limb pipes to limb pipe connection is eliminated, engineering reliability is high, and welding technological quality is guaranteed. By means of the intersection face inner insertion plate turning connection structure, machining problems are solved, layer-to-layer section tearing resistance of crossing portions is enhanced, and the safety coefficient is improved.

The invention relates to the technical field of cable assembly equipment, and discloses a prefabricated distribution network civil engineering cable well assembly combination. The combination comprises joint clamping pillows and prefabricated ducts, wherein each joint clamping pillow comprises a pillow block at the bottom and pillow arms which are arranged at the two sides and perpendicular to thepillow block, the two ends of the prefabricated ducts are clamped and fixed by the joint clamping pillows, prefabricated side plates on the two sides of every two adjacent joint clamping pillows areconnected and fixed, a plurality of cable ducts are arranged inside the prefabricated ducts, and the joint clamping pillows, the prefabricated ducts and the prefabricated side plates are all prefabricated into standard pieces in a unified specification by a factory. The prefabricated distribution network civil engineering cable well assembly combination has the beneficial effects that the assemblytype prefabricated pieces are produced through modern machinery of the factory, the product precision is high, the quality is stable, the construction schedule duration is greatly shortened, the process quality is guaranteed, on-site complex conditions can be avoided, the application range is wide, the operation safety risk is greatly reduced, and the influence on the life of surrounding people is greatly reduced.

The invention discloses a multi-cable cutting device for cable erection. Two sets of clamping devices are arranged. In each clamping device, a lower clamping plate is arranged at the upper part of a base, one side of the lower clamping plate is movably connected with one side of an upper clamping plate through a hinge, a plurality of cable clamping grooves are formed in the upper clamping plate and the lower clamping plate, and cables are placed in the cable clamping grooves. A cutter rest is installed between the two sets of clamping devices and comprises stand columns arranged at the two ends of the base, a supporting plate connected with the upper ends of the stand columns, and a first guide rail installed on the upper portion of the supporting plate; a cutting machine is arranged on one side of the upper portion of the supporting plate; supporting legs are arranged on the two sides of a motor of the cutting machine; first sliding blocks are arranged on one sides of the lower portions of the supporting legs; and handles are arranged on the upper portions of the supporting legs on the two sides. According to the multi-cable cutting device for cable erection of the invention, themultiple wire clamping grooves are formed in the upper clamping plates and the lower clamping plates; when cables are to be cut, the wire clamping grooves are used for clamping the cables, so that themultiple cables are cut at a time; and therefore, the cutting precision of the cables is guaranteed, the process quality of cable cutting is improved, and the working efficiency is improved.

The invention discloses a PETG thermal shrinkage film gassho glue suitable for high speed gassho machines. The PETG thermal shrinkage film gassho glue suitable for high speed gassho machines is prepared from, by volume, 52 to 58% of 1,4-dioxane, 32 to 38% of 1,3-Dioxolane, and 8 to 12% of ethyl acetate through mixing. The operation speed of the high speed gassho machines is controlled to be 300 to450m/min; the transverse shrinkage rate of the PETG thermal shrinkage film is 55 to 65%; mixng is convenient; gassho effect is obvious; and gassho technology quality can be ensured.

The invention discloses a bottom pouring furnace, comprising a furnace body, a furnace base is arranged at the bottom of the furnace body, a pouring port is vertically penetrated on the furnace base, a stopper rod is arranged inside the furnace body, The bottom end of the stopper rod is aligned with the pouring port, and the diameter of the stopper rod is larger than the diameter of the pouring port, and the furnace body is provided with a drive unit. The bottom pouring furnace can effectively improve the operation effect of small flow pouring and ensure the pouring quality. The invention also discloses a pouring equipment using the bottom pouring furnace.