33results about How to "Reliable processing method" patented technology

The invention provides a method for processing the compressor impeller of a VTR series supercharger, comprising the steps of: a. the inner hole of the shaft of the impeller center; b. heat treatment; c. turning the end surface and outer circle of the impeller; d. turning the small end of the impeller and the impeller shaft Facing the inner hole, take the sample ring on the impeller at the same time; e. Inspection; f. Rough turning the small end of the impeller; g. Blades and runners; i. The outer circle of the large end of the finishing impeller; j. The large end of the finishing impeller and the axial inner hole of the impeller; k. Clamping and positioning the impeller on the turning tool, the impeller positioning surface used in the next process of finishing turning ; l. The large end of the impeller and the axial inner hole of the impeller; m. The small end face of the impeller; n. The meridian surface of the impeller and the end face of the blade. This method improves the matching accuracy and sealing performance between the large end surface of the impeller and the air seal, and solves the problem that the original sample ring and the impeller are separated and then heat treated, and the sample ring cannot truly reflect the performance status of the part after heat treatment.

The invention relates to a processing and configuring method for a multi-species face pin positioning axle housing cleaning tow trolley, which belongs to the field of machine manufacturing. The processing and configuring method provided by the invention is a simultaneous supporting research applied while researching a technical scheme of the cleaning tow trolley for multi-species 'face pin positioning' axle housing parts, so that not only can the multi-species 'face pin positioning' axle housing parts be ensured to be used on the cleaning tow trolley, the application range is broadened, but also positioning components involved during species conversion are processed and configured feasibly, reliably, conveniently and accurately, the occurrence of the phenomenon of 'forced disassembling and welding again' during conversion can be avoided, and the requirement on fast conversion during practical production is met. The processing and configuring method for the multi-species face pin positioning axle housing cleaning tow trolley provided by the invention is clear, simple, practical, and easy to configure, and has a popularized application value.

The invention discloses a method for continuously removing dioxin from natural vitamin E. The method comprises the following steps of: dissolving the natural vitamin E in a solvent of which the volume is 2-6 times that of the natural vitamin E; heating to 40-70 DEG C under the protection of nitrogen; uniformly mixing, and then continuously introducing the mixture into a fixed bed in which a filler is filled from the top end of the fixed bed; collecting effluent liquid after the solution stays for 0.5-5 hours; filtering; distilling and concentrating the filtrate; and refining through molecular distillation. The quality of a vitamin E product treated by the method can reach a limit standard to the dioxin by the European Union, the technological process is simple, and the running cost is low, so that the method is a relatively reliable treatment method and is suitable for industrial bulk production.

The present invention relates to a fixture processing method, which comprises: 1) processing each component of the fixture to not higher than a first predetermined precision, and assembling the fixture; 2) setting up an electric discharge machine, and assembling the first machining electrode to the machining center In the electrode mounting part on the arm, and the base is fixed to the electric discharge machine, wherein the first machining electrode is configured to be suitable for machining the inner wall of the base; 3) The first machining electrode is used to machine the inner wall of the base to Not less than the second predetermined precision; 4) Raise the processing arm, disassemble the first processing electrode, and install the second processing electrode into the electrode mounting part on the processing arm; 5) Install the assembled jig to the base 6) Fitting the calibration piece into the jaws of the fixture and clamping; 7) Submerging at least a portion of the base and the fixture into the working fluid; 8) Using the second machining electrode to machine the jaws of the fixture to Not lower than the third predetermined precision.

The invention discloses a processing method of a square anchor lip and the square anchor lip, belonging to the technical field of shipbuilding. The processing method of the square anchor lip includes the following steps: S1, processing the first bevel on the edge of the stainless steel plate, and evenly opening a plurality of plug welding holes on the stainless steel plate; S2, pasting the stainless steel plate on the lower end of the square anchor lip ; S3, from the center of the stainless steel plate to the outward symmetrical welding of the plug holes in order to form a plug welding seam; S4, welding the joint between the first groove and the square anchor lip to form a groove weld. The square anchor lip is made by the above-mentioned processing method of the square anchor lip. The processing method of the square anchor lip of the present invention has simple processing technology, reliable connection and low manufacturing cost. The square anchor lip of the invention has simple structure, good strength, hardness and corrosion resistance, prolongs the service life of the square anchor lip and improves the aesthetics.

The invention provides a nano-pore apparatus used for single-molecule sequencing and an application method and a manufacturing method thereof. The nano-pore apparatus is used in a single-molecule sequencing device. The single-molecule sequencing device comprises a positive electrolytic bath and a negative electrolytic bath, and the nano-pore apparatus is used for separating the positive electrolytic bath from the negative electrolytic bath. Solid nano-pore structures and a graphene nano-pore structure are combined so as to obtain a sandwich structure; since a solid wine-glass-shaped groove exists in the sandwich structure, the diameter of a graphene nano-pore can be extended, which guarantees that biomolecules have a high capture rate at a low voltage, so the speed of a single molecule passing through the graphene nano-pore can be controlled by lowering down voltage, thereby overcoming the problem of a fast pore passing speed of biomolecules during nano-pore single-molecule sequencing in the prior art and improving temporal resolution during pore passing of the single molecule; the apparatus eventually detects the graphene nano-pore, thereby guaranteeing a good resolution effect of single-molecule detection.

The invention relates to a metal energy storage spring machining method. The metal energy storage spring machining method includes the following steps that S1, firstly, a steel belt is horizontally bent to be a circular-arc steel belt; S2, the circular-arc steel belt is spirally wound in the longitudinal direction to form a plurality of conical cylinders; S3, every two adjacent conical cylinders in the conical cylinders are connected in a lap joint mode to form a long cylinder; S4, single-piece steel belts are pulled out of the head end of the long cylinder and the tail end of the long cylinder respectively and subjected to butt welding to form an annular cylinder; S5, the two single-piece steel belts generated after butt welding is conducted are wound back into the adjacent conical cylinders respectively after restoring to the conical cylinders. S6, punch forming is conducted on the annular cylinder obtained in S5, and thus the annular cylinder can meet the drawing requirement. The method is used for machining metal energy storage springs.

The invention relates to surface coating liquid of a dark-red-brown high-glossiness bakery product. The surface coating liquid comprises, by weight, the components of 40 parts-70 parts of water, 0.5 part-6 parts of alkali and 30 parts-60 parts of egg white liquid. During baking of the bakery product, hot alkali liquid in the surface coating liquid is used for surface coating first, the proper Maillard reaction condition is controlled, so that the product has attractive dark-red-brown color, the color can be kept for a long time, when the bakery product is fully baked and goes out of an oven, protein liquid is placed in a coating mode, and accordingly the surface of the bakery product has higher brightness and higher transparency.

The invention discloses a domestic full-automatic kitchen garbage microbiological treatment all-in-one machine. The domestic full-automatic kitchen garbage microbiological treatment all-in-one machine comprises a mechanical smashing system, a microbiological degradation system and a PLC online monitoring system. Kitchen garbage can be rapidly degraded into liquid and carbon dioxide through a compound microbiological preparation, and the degradation rate of organic garbage is high; and in the degradation process, no toxicity or off flavor is generated, and reduction and harmless treatment of the kitchen garbage can be achieved from the source. According to the domestic full-automatic kitchen garbage microbiological treatment all-in-one machine, a family is used as a unit, the kitchen garbage can be treated from the source, and installation and use are convenient and safe; the designed working life of the domestic full-automatic kitchen garbage microbiological treatment all-in-one machine is over 10 years, the microbiological degradation system is replaced once every year, the yearly average maintenance cost is hundreds of yuan and lower than that of other kitchen garbage treatment manners, and therefore the domestic full-automatic kitchen garbage microbiological treatment all-in-one machine can be accepted by ordinary families.

The invention discloses a machining and preparing method for a cleaning and conveying trolley for multiple varieties of V-shaped positioning axle housings, and belongs to the field of mechanical manufacturing. According to the machining and preparing method, a same-period matched study is implemented while a technical scheme of the cleaning and conveying trolley for multiple varieties of V-shaped positioning axle housing components is studied, it can be ensured that the multiple varieties of V-shaped positioning axle housing components are used on the cleaning and conveying trolley, and the application range is widened; and during variety changing, involved positioning and limiting assembly machining and preparing are feasible and reliable, and convenience and accuracy are achieved; and the phenomenon of forced demounting and rewelding during changing can be avoided, and the rapid changing needed during actual production is met. The method is clear, simple and practical, preparing is easy, and the popularized application value is achieved.

The invention provides a treatment device and method for fluorine-containing waste gas and relates to the technical field of waste gas treatment. The treatment device comprises a main trough body and an air inlet pipe mounted at the top of the main trough body, wherein a through hole used for connecting a liquid storage tank is formed in the external side wall of the main trough body, the main trough body comprises a plurality of partition grooves formed through isolation by at least two partition boards, a filler layer is arranged in each partition groove and divides each partition groove into an upper spraying and purifying layer and a lower solution adsorbing layer, and an air vent for introducing the waste gas into another partition groove is formed in each partition board. With the use of the device, the fluorine-containing waste gas is subjected to adsorption and purification treatment through multiple procedures, the purification efficiency of the fluorine-containing waste gas is high, and the treatment effect is good.