35results about How to "Reduce production and processing steps" patented technology

The invention relates to a self-positioning vacuum brazing technique for a multi-cavity electrical bridge waveguide. The self-positioning vacuum brazing technique comprises the following steps of preparing materials and finishing the machining of an upper part and a lower part of the waveguide; respectively carrying out surface treatment on the machined upper and lower parts of the waveguide; producing brazing filler metals according to overall dimensions of the upper part and the lower part of the waveguide and assembling the upper part and the lower part of the waveguide and the brazing filler metals; matching the assembled electrical bridge waveguide with a work fixture and placing the assembled electrical bridge waveguide and the work fixture into a vacuum aluminum brazing furnace; carrying out vacuum brazing on the multi-cavity electrical bridge waveguide according to a vacuum brazing temperature process curve; carrying out numerical control machining on the shape of the waveguide and a ring flange; drilling and carrying out electrochemical treatment. According to the self-positioning vacuum brazing technique disclosed by the invention, the ring flange and a waveguide tube are integrally formed at one time, so that the processing work procedures are simplified, and the production period is short; a groove and a shoulder are arranged, so that self positioning is realized, combined times are reduced, and the assembly precision is high; one-time welding forming is realized by adopting vacuum brazing, and thus the deformation of cavities caused by multiple times of welding is avoided; in addition, no brazing flux is needed, and thus the corrosion of the brazing flux to the cavities is avoided, and the service life of the multi-cavity electrical bridge waveguide is prolonged.

The invention relates to the technical field of spandex coating yarn, in particular to dacron-chinlon-spandex coating yarn and a preparation process thereof. According to the preparation process, firstly, dacron yarn POY and chinlon yarn POY are drawn out by corresponding yarn racks, and a false twisting machine platform is adopted for finishing the following processes of (1) feeding a first roller of the false twisting machine platform with the decron yarn POY and the chinlon yarn POY which are drawn out by the yarn racks, after the decron yarn POY and the chinlon yarn POY are wound and combined by the first roller, conducting heating by a deformation heating box, conducting cooling by a cooling plate, conducting twisting by a false twisting machine, and obtaining decron-chinlon combined yarn; (2) feeding a second roller with spandex yarn and the decron-chinlon combined yarn obtained in the step (1), after the decron-chinlon combined yarn is combined with the spandex yarn by the second roller, putting the newly combined yarn above into an air interlacing jet, conducting air injection bonding through the air interlacing jet, and then feeding a winding device with the combined yarn for conducting winding formation processing after the combined yarn is processed by a third roller. According to the preparation process, preparation of the dacron-chinlon-spandex coating yarn can be completed by a one-step method, and the obtained dacron-chinlon-spandex coating yarn is high in bonding degree and uneasy to detach and fracture, and after being dyed, the dacron-chinlon-spandex coating yarn can achieve an effect of presenting double colors in different shades.

The invention discloses a manufacturing method for the interior ceiling of an automobile. The method comprises the following steps: S1, providing an upper die and a lower die of a die, wherein the upper die and the lower die of the die fit each other; S2, providing a non-woven fabric and a glass fiber mat which are successively arranged from top to bottom, allowing the non-woven fabric and the glass fiber mat to be absorbed on the lower surface of the upper die to complete positioning so as to form a back material and perforating a material injection hole in the back layer which has undergone positioning; S3, providing a glass fiber mat, a non-woven fabric and a fabric which are successively arranged from top to bottom and allowing the glass fiber mat, the non-woven fabric and the fabric to be absorbed on the upper surface of the lower die to complete positioning so as to form a surface material; S4, pressing the upper die and the lower die together so as to trim the back layer having undergone positioning and the surface layer having undergone positioning and to seal boundaries and defining a cavity between the back layer having undergone positioning and the surface layer having undergone positioning; and S5, injecting a material from the material injection hole into the cavity and carrying out curing so as to form semi-hard PU, thereby obtaining the interior ceiling of the automobile. With the manufacturing method for the interior ceiling of the automobile disclosed in the embodiments of the invention, production procedures are reduced.

The invention discloses a graphite crucible vibration forming die. The die comprises an upper die body, a lower die body and a vibration table; the forming die is used for enabling a graphite crucibleto be formed at a time, an obtained graphite crucible preliminary product can be directly machined and polished, a finished product is obtained, the production step is reduced, labor time and labor force are saved, production cost is greatly reduced, the production and machining step of the graphite crucible is reduced, and the produced graphite crucible is high in density, uniform and stable inquality. Due to the fact that in the production process, emissions of waste water and waste gas in the dipping and graphitization process are reduced, energy saving, sewage reduction and emission reduction are achieved, and the positive effect on protecting the environment is achieved.

The invention discloses an underground pipe gallery cast-in-situ aluminum film construction method. The underground pipe gallery cast-in-situ aluminum film construction method comprises the steps thatpaying off before construction is carried out; wall aluminum templates are installed after paying off; mold removal is carried out after wall pouring; and as for installation of the wall aluminum templates, firstly, after a bottom plate and guide wall steel bars are installed, internal braces are arranged at the positions of the horizontal distances and the vertical distances between the steel bars and all wall-through screws, the internal braces are the same as a wall in width, the upper and lower surfaces of the inner braces are horizontal, and the left and right directions of the internalbraces and the wall line form right angles. By means of the underground pipe gallery cast-in-situ aluminum film construction method, through the arrangement of a series of structures, the constructionquality of a pipe gallery can be ensured in the implementation process, and meanwhile, a user can conveniently uses a mold.

The invention belongs to the technical field of automatic control and relates to a CAN bus connector of a controller module. The CAN bus connector comprises a housing. The housing is internally provided with a module circuit board. The two sides of the module circuit board are connected with a male connector and a female connector respectively. The male connector extends out of the housing; the female connector is arranged in the housing; and the male connector and the female connector are matched, and when two CAN bus connectors draw near to each other, the male connector of one CAN bus connector can be inserted to the female connector of the other female connector to enable the two CAN bus connectors to realize electric connection. The CAN bus connector is reliable and quick to connect and high in stability.

The invention relates to a motor rotor molding mold, which comprises a lower mold and an upper mold, wherein the center of the upper mold is provided with an upper casting hole, the lower end surfaceof the upper mold is provided with an upper end plate groove, the upper end of the lower mold is provided with a lower end plate groove, and a fixed shaft hole is arranged below the lower end plate groove. The motor rotor processing method uses the molding mold, and comprises: S1, inserting the lower end of a motor rotating shaft into the fixed shaft hole; S2, placing a rotor punching sheet on theupper end surface of the lower mold, wherein a lower end plate casting cavity is formed between the lower end surface of the rotor punching sheet and the lower end plate groove, and an insulating layer casting cavity is formed between the motor rotating shaft and the inner wall of the shaft hole; S3, placing the upper mold on the upper end of the rotor punching sheet, wherein an upper end plate casting cavity is formed between the upper end of the rotor punching sheet and the upper end plate groove; and S4, injecting a casting liquid from the upper casting hole, and taking out a motor statorafter carrying out cooling curing. According to the present invention, the production processing steps are reduced, the processing efficiency is improved while the quality of the motor rotor is ensured, and the cost can be reduced.

The invention relates to a high-precision waveguide power divider and a processing method thereof. The high-precision waveguide power divider is formed by subjecting an upper chamber and a lower chamber to vacuum soldering; a solder pad is made by laser cutting; a power divider chamber formed includes a main chamber and an auxiliary chamber. The high-precision waveguide power divider is characterized in that a welding face of the upper chamber is provided with a groove, the lower chamber is correspondingly provided with a shoulder, the upper chamber and the lower chamber are positioned duringwelding through the combination of the groove and the shoulder, the main chamber and auxiliary chamber of the lower chamber are integrated separately to main flange half plate I and auxiliary flange half plate II; after the upper chamber and the lower chamber are welded together, the main flange half plate I and a main flange half plate II form a main flange plate; the auxiliary flange half plateI and an auxiliary flange half plate II form an auxiliary flange plate.

The invention provides a compression roller adjusting mechanism of a calender. The compression roller adjusting mechanism comprises a driving compression roller and a driven compression roller, wherein the driving compression roller and the driven compression roller respectively penetrate through a rack of the calender; a calendering channel for allowing a flour raw material to pass through is arranged between the driving compression roller and the driven compression roller; the driving compression roller and the driven compression roller are connected through a transmission mechanism; two ends of the driven compression roller are respectively supported on the rack of the calender through eccentric sleeves; a worm and gear assembly is arranged on the driven compression roller; a gear of the worm and gear assembly is fixedly connected with the end surfaces of the eccentric sleeves; a worm sleeve is arranged on an input shaft in a sleeving manner; the input shaft is supported on the rack and is connected with an output shaft of external driving equipment; and the worm sleeve is meshed with the gear. The compression roller adjusting mechanism has the beneficial technical effects that the compression roller adjusting mechanism has the effects of reducing the cost and being stable in operation, composite noodles are provided, the types of the noodles are enriched, the taste, the quality and the production efficiency of the noodles are improved, the production efficiency of a cooked wheaten food production enterprise is improved, and the enterprise cost is reduced.

The invention discloses a preparation device of beancurd skin sausage. The preparation device of the beancurd skin sausage comprises a workbench, a hopper arranged on the workbench and guide pipes running through the workbench and communicated with the hopper, wherein a stirrer is arranged in the hopper and the rotating direction of the stirrer is vertical to the material guide pipe; the lower part of the workbench is connected with a rotating disk rotating along with the stirrer; an even number of the guide pipes are connected with the rotating disk uniformly in pairs; the distance between every two guide pipes in one group is less than the length of the beancurd skin sausage; the underface of the rotating disk is detachably connected with a guide disk rotating along with the rotating disk; and guide holes for casing to pass through are formed in the guide disk and are in one-to-one correspondence with the material guide pipes above the guide disk. The beancurd skin sausage products prepared by the device have high consistency.

The invention relates to an IGBT (Insulated Gate Bipolar Translator) inversion non-gas-shielded welding machine. The voltage of the power source of the welding machine ranges from 110 to 120 V; and the frequency of the power source of the welding machine ranges from 50 to 60 Hz. The interior of the welding machine is divided into an upper layer and a lower layer through a middle partition plate. The upper layer is mainly provided with a wire feeder, a welding wire reel shaft and a front control panel. The lower layer is mainly provided with a power control panel, an output filter reactor, a cooling fan and the like. The control circuit boards of the welding machine include a front control board and a power control board. A control circuit comprises a power-on buffering, voltage doubling, rectifying and filtering circuit, an IGBT driving, inversion, output rectifying and filtering circuit, a switching power supply circuit, an indication, voltage and current (or wire feeding speed) setting and wire feeding control circuit, and an output characteristic and protection (such as overcurrent, overvoltage, undervoltage and overheating protection) control part. The structure schematic diagram of an exemplary welding machine and the circuit schematic diagram of each part of the welding machine are provided; and the structure schematic diagram and the circuit schematic diagrams are correspondingly explained. According to the welding machine, a non-gas-shielded flux-cored wire is adopted, so that protective gas is not needed; semi-automatic welding can be realized; and the control circuit is simple and reasonable in design, high in working reliability and low in product manufacturing cost.