50results about How to "Good processing cost" patented technology

The invention provides a polypropylene composition for water-heater inner containers, which comprises the following components in portions by weight: (a) 100 portions of homopolymerized polypropylene; (b) 0.01-10 portions of thermal stabilizer; (c) 0.01-10 portions of processing aid; and (d) 0.01-10 portions of alpha-crystal form nucleating agent and/or beta-crystal form nucleating agent. The processing aid is selected from one or a plurality of low-molecular-weight ester compounds, metallic soap compounds, stearic acid-compounded ester compounds and amide compounds. The polypropylene material of the invention overcomes the defect of insufficient rigidity of the common polypropylene, and has the advantage of high heat distortion temperature; and the tensile strength is greater than or equal to 20 MPa, the elongation at break is greater than or equal to 300%, the bending modulus is greater than or equal to 1200 MPa, and the notch impact strength is greater than or equal to 30 Kj/m<2>.

The invention provides an air conditioner ventilation pipeline. The air conditioner ventilation pipeline comprises a body piece and a covering piece which are both in a strip shape. Embedding and buckling portions in a bent hook shape are arranged on the two sides of the body piece. The covering piece is connected with the body piece through the embedding and buckling portions. A ventilation pipe cavity is formed between the body piece and the covering piece. The body piece and the covering piece are formed by galvanized steel sheets. The air conditioner ventilation pipeline has the advantages that the ventilation pipeline is formed by the galvanized steel sheets, and compared with stainless steel plates, the inner wall is smooth, resistance is small, the air tightness is high, the bearing strength is high, and the production cost is low; the covering piece is connected with the body piece through the embedding and buckling portions, and when the air conditioner ventilation pipeline needs to be washed, a user only needs to draw the covering piece out of the body piece; the air conditioner ventilation pipeline has the advantages of being simple in structure, reasonable in design, convenient to maintain, low in machining cost, good in use performance and the like.

The invention provides an integrated device and method for producing handrails. The device comprises a machine frame. A handrail conveying guide rail is arranged on the machine frame. One end of the handrail conveying guide rail is a feeding end, the other end of the handrail conveying guide rail is a discharging end, and an automatic dust blowing device, an automatic embellishing device, a drying device, a finish paint spraying device and an airing bin are sequentially arranged on the handrail conveying guide rail from the feeding end to the discharging end. The handrail conveying guide rail comprises upper and lower conveying chains arranged in parallel. Handrail locating mechanisms for vertically arranging the handrails between the upper and lower conveying chains are arranged between the upper and lower conveying chains at intervals. Rotary drive mechanisms for driving the handrails to rotate are arranged at the portions, opposite to the automatic dust blowing device, the automatic embellishing device and the finish paint spraying device, on the handrail conveying guide rail. Due to the fact that the handrails are vertically arranged between the upper and lower conveying chains at intervals, the batch treatment of the handrails is guaranteed, and integrated production and machining equipment is formed; and the handrails are conveyed forwards and rotated at the same time so as to be conveniently machined and treated circumferentially, and machining quality is improved.

The invention relates to an integral composite rubber diaphragm filter plate and a one-step molding method thereof. The integral composite rubber diaphragm filter plate comprises an inner liner core plate and two rubber diaphragms which covers and are fixed at the two sides of the inner liner core plate, wherein the inner liner core plate is provided with a liquid passing through hole, an external connecting through hole, an internal connecting through hole and a vent pipe; bonding fixation areas are arranged at the two sides of the inner liner core plate and at the periphery of the liquid passing through hole respectively; the two sides of the inner liner core plate are respectively covered by the two rubber diaphragms; the rubber diaphragms are fixed at the two sides of the inner liner core plate by being stuck with the bonding fixation areas; the rubber diaphragms at the two sides of the inner liner core plate are stuck with each other on the side wall around the inner liner core plate, on the wall of the liquid passing through hole and in the internal and the external connecting through hole. The molding method of the filter plate comprises the steps of firstly, making the inner liner core plate, coating an adhesive onto the inner liner core plate, and molding the rubber diaphragms and the inner liner core plate for once by vulcanizing, pressing and bonding. The filter plate is good in sealing effect, reduces the springback gas energy consumption of the rubber diaphragms, is corrosion-resistant, high in strength and long in service life, has few working procedures, and reduces the cost and the manipulation strength.

The invention discloses a laser coupling focusing mechanism and relates to the field of optical instruments. The device is technically characterized by comprising a fine adjustment sleeve, a main lenscone, a coupling lens group lens cone, a guide rod, a compression spring, multiple locking screws, an optical fiber connector seat, an optical fiber connector, a fixing screw, a pair of lenses A, a space ring A, a lens B, a space ring B and a pressing ring, wherein the main lens cone is arranged in the fine adjustment sleeve, the coupling lens group lens cone is arranged on the main lens cone, aleft end surface of the interior of the fine tuning lens cone is attached to a left end surface of the coupling lens group lens cone, a surface of the main lens cone is provided with a guide chute, the guide rod is sleeved in the guide chute on the main lens cone, the guide rod is fixed on an outer cylindrical surface of the coupling lens group lens cone through threads, a right end of the lens coupling lens group lens cone is provided with a spring mounting groove of the compression spring, a right end of a larger inner hole of the main lens cone is provided with a spring mounting groove, andthe compression spring is arranged between the two spring mounting grooves. The device is advantaged in that the structure is simple, machining cost is low, and adjustment is convenient.

The present invention belongs to the field of litchi chinensis processing and relates to a processing method of dried litchi chinensis, which comprises the following steps in sequence: selecting fresh litchi chinensis with thick flesh and small kernels, and cleaning, peeling, and removing the kernels of the litchi chinensis to obtain the litchi chinensis fruit pulp; soaking the litchi chinensis fruit pulp in an aqueous solution of 0.2% NaHSO3 , 0.1% citric acid, and 0.2% CaCl2 for 2-3 hours; blanching the hardened the litchi chinensis fruit pulp in a hot water at 90-100 DEG C for 2-3 min; then placing the litchi chinensis fruit pulp in a cold storage at -20 to 0 DEG, rapidly decreasing the water activity of the litchi chinensis fruit pulp to be less than 0.6 and the moisture content to be lower than 50% by using a dehumidifier; and finally putting the litchi chinensis fruit pulp in a drying oven, hot air drying at 50 DEG C for 8-10 hours with a hot air flow rate of 1-2 m/s until the moisture content is lower than 25%, and then cooling and packaging. The present invention provides a processing method of dried litchi chinensis with full appearances and good color, and the processing method has low processing costs.

The invention relates to a light-transmitting LED (light-emitting diode) waterproof lamp group and a manufacturing method thereof. The light-transmitting LED waterproof lamp group is provided with a good ultraviolet resisting function and an excellent weather resistance performance, can serve as an LED light source shell independently and can work outdoors and underwater for a long time without moisture permeation. The light-transmitting LED waterproof lamp group is formed by a series of connection of a plurality of LED lamps. Light sources for the one or a plurality of the LED lamps are formed by one LED or arrangement of a plurality of LEDs, and the one or a plurality of the LED lamps are hermetically coated by a PVC (polyvinyl chloride) thickener to form the light-transmitting LED waterproof lamp group. The light-transmitting LED waterproof lamp group has the advantages that 1, the PVC thickener serving as a shell of the LED light source is good in ultraviolet resistance, low temperature resistance and weather resistance and can reach V-2 to V-0 grades in flame retardance; 2, material cost and production cost of products are reduced, and the light-transmitting LED waterproof lamp group is low in processing cost, short in producing period and high in processing efficiency; 3, the shape of the light-transmitting LED waterproof lamp group can be formed differently according to different needs of users, and a technical bias that technicians in the field consider that the PVC thickener cannot serve as an LED lamp group forming material for a long time is basically changed.

The invention discloses a glass fiber which comprises the following raw materials in parts by weight: 30-50 parts of SiO2, 6-10 parts of Al2O3, 1-4 parts of CaF2, 10-14 parts of ZrO2, 11-16 parts of Ln2O3, 4-6 parts of TiO2, 60-70 parts of H2O and 50-70 parts of H3BO3. The glass fiber is mainly prepared by the following steps: mixing the raw materials, melting, drawing, pickling and performing heat setting treatment. The glass fiber disclosed in the invention has the beneficial effects that (1) the glass fiber disclosed in the invention is excellent in acid resistance, low in molding temperature and low in cost, and the production efficiency is improved; (2) the glass fiber disclosed in the invention is excellent in high temperature resistance, can be applicable to a temperature of 1000 DEG C or less for a long time, and has excellent ablation property, excellent high temperature resistance and chemical resistance; (3) the processing technology of the glass fiber is low in cost, simpleto operate and suitable for more small and medium-sized enterprises.

The invention relates to a preparation method for a gas-sensitive element for hydrocarbon gas detection, and is mainly used for solving the problems of complicated synthesis technology, relatively high operating temperature and relatively high processing cost in the prior art. The preparation method for the gas-sensitive element for the hydrocarbon gas detection comprises the following steps of (1) pretreating a base body: treating the base body through acid and alkali in sequence, and drying the base body to obtain a pretreated base body; (2) preparing tin dioxide: adding SnCl2.2H2O into ethyl alcohol to obtain tin dioxide solution; (3) preparing a tin dioxide thin film: putting the obtained pretreated base body into the tin dioxide solution for film coating, and then performing drying and baking to obtain a base body coated by a tin oxide precursor; (4) performing thermal treatment: heating, roasting and cooling the base body coated by the tin oxide precursor to obtain the tin oxide thin film gas-sensitive element. According to the technical scheme, the problems in the prior art are well solved; the gas-sensitive element can be used for the hydrocarbon gas detection.

The invention provides a ventilation steel channel, a manufacturing method of the ventilation steel channel, a ventilation structure and a motor. The ventilation steel channel provided by the invention comprises a ventilation steel channel body; a plurality of teeth are formed on at least one of two opposite lateral surfaces of the ventilation steel channel body. The ventilation structure provided by the invention comprises at least two iron core sections; the iron core sections are provided with a plurality of tooth parts; slots for accommodating windings are formed between the adjacent tooth parts on the same iron core sections; the ventilation steel channels are formed between the corresponding tooth parts of the adjacent iron core sections; the teeth of the ventilation steel channels face towards the slots. According to the ventilation steel channel provided by the invention, the teeth can effectively break through a boundary layer between the ventilation steel channel and cooling gas flowing through ventilation grooves, the heat dissipation area is increased, and cooling and heat dissipating effects are reinforced; meanwhile, the process of the ventilation steel channel is easy to realize with low manufacturing difficulty.

The invention is a special carp feed comprising the following raw materials by weight: 10-25 parts of broken rice, 10-20 parts of rapeseed cake, 10-15 parts of wheat bran, 10-15 parts of dry potato powder, 7-20 parts of rice bran, 1-3 parts of yeast, 0.1-0.6 part of salt, 0.5-2 parts of sesame powder, 0.3-0.5 part of sucrose, 0.1-0.4 part of dry garlic powder and 0.3-0.6 part of a probiotic preparation. The main production method of the feed is as follows: first, weighing the raw materials in the ratio, crushing the raw materials, then stirring and mixing the raw materials, and finally preparing the mixture to obtain the pellet feed, namely the special carp feed finished product. The pellet feed is rich in nutrition, can enhance the carp disease prevention and disease resistance, and provides pollution-free healthy beneficial product carps to the market.

The invention discloses a processing method for press roll-shaped structural parts, which includes the following steps: according to a fixed support to be cast, a casting mold is arranged, and the needed fixed support is casted in the casting mold; after being calcined and cooled with water, the cast fixed support is polished, and a blower is then used for blowing off polishing dust on the surface of the fixed support; a press roll-shaped structural part and the fixed support are respectively connected with both ends of a V-shaped elastic strip; the whole body which is composed of the press roll-shaped structural part, the V-shaped elastic strip and the fixed support undergoes foreign matter removal, cleaning and drying treatment; after a preset mold passes check, the press roll-shaped structural part, the V-shaped elastic strip and the fixed support are put into the preset mold as a whole, and by adopting a continuous steel casting method, molten metal which is prepared in advance is poured into the preset mold to cast the press roll-shaped structural part, the V-shaped elastic strip and the fixed support together through a casting machine. The processing method for press roll-shaped structural parts has the advantages of high production efficiency, high product quality and low processing cost.

The invention discloses a manufacturing method of a hardware structure part. The manufacturing method of the hardware structure part includes: tightly pressing the hardware structure part which needs a support on a fixing support to be casted through a Z-shaped positioning piece; respectively connecting the hardware structure part and the fixing support with two ends of the Z-shaped positioning piece; placing the hardware structure part, the Z-shaped positioning piece and the fixing support into a preinstalled mold as a whole, and pouring melting metal liquid prepared in advance into the preinstalled mold so as to cast the melting metal liquid together with the hardware structure part, the Z-shaped positioning piece and the fixing support through a casting machine by using a mold casting method; enabling a fusion point of the Z-shaped positioning piece to exceed a fusion point of the melting metal liquid prepared in advance; performing mechanical steel releasing when no bubble emerges in a steel bottle used to contain the melting metal liquid prepared in advance after casting is completed, and then recycling residues in the steel bottle; performing polishing and antirust coat spraying treatment on the hardware structure part cooled to room temperature after the hardware structure part completely casted is cooled to the room temperature. The manufacturing method of the hardware structure part is high in production efficiency, good in product quality and low in manufacturing cost.

The invention belongs to the field of organic polymeric compounds, and especially relates to a PP-PA alloy and a preparation method thereof. The PP-PA alloy comprises PP, PA, red mud, wollastonite, glass beads, hydrotalcite, a silane coupling agent, a flexibilizer, graphite and a compatilizer. The preparation method comprises the following steps: uniformly mixing the PP, the PA, red mud, wollastonite, glass beads, hydrotalcite, the silane coupling agent, the flexibilizer, graphite and the compatilizer, and extruding the obtained mixture through a double screw extruder to obtain the PP-PA alloy. The PP-PA alloy prepared in the invention has excellent mechanical performances, and the preparation method is simple.

The invention discloses engineering plastics, a preparation method and application for preparing a surgical operating instrument. The engineering plastics is prepared from, by weight, 30-75% of polyether-ether-ketone, 20-70% of reinforced fiber, not larger than 5% of polyphenylene sulfone, not larger than 5% of polyether sulfone, 0.5-2% of a coupling agent and 0.1-3% of an additive. The engineering plastics can be used for preparing the surgical operating instrument. The engineering plastics has the advantages that the obtained surgical operating instrument is good in corrosion resistance, high in dimensional stability, excellent in dyeability, and capable of performing sterilization in various conventional sterilization modes including high-temperature and high-pressure steam, ethylene oxide, low-temperature plasma, gamma rays and the like; the surgical operating instrument can be prepared through an injection molding method, rapid production can be achieved, the processing cost is low, the good anticoagulant activity is achieved when the surgical operating instrument makes contact with blood, the ISO 10993 certification is met, no rejection is produced when the surgical operating instrument marks contact with human tissue organs for a short or middle period of time in a surgery, and the enough chemical stability and physiological inertia are achieved.

The invention discloses a machining technology of a hardware structural part. The machining technology comprises the steps that rubber materials are adopted, and a fixed support to be cast is provided with a fixed support rubber accessory in a matched manner; the fixed support rubber accessory is used for coating the fixed support after being cooled so as to protect the fixed support, and transportation is facilitated; the hardware structural part and the fixed support are connected to the two ends of a Z-shaped elastic sheet respectively; after a preset mold is detected to be qualified, the hardware structural part, the Z-shaped elastic sheet and the fixed support are placed in the preset mold as a whole; and through a casting machine, molten metal prepared in advance is poured into the preset mold to be cast together through a mold casting method. The machining technology of the hardware structural part is high in production efficiency, good in product quality and low in machining cost.

The invention discloses a roll-formed structural part manufacturing method. The roll-formed structural part manufacturing method comprises the steps that a pouring die is arranged on the basis of a fixed support to be poured, and a required fixed support is obtained in a pouring mode through the pouring die; the fixed support obtained in the pouring mode is polished after being calcinated and water-cooled, and then an air blower is used for blowing off polished dust on the surface of the fixed support; the matching fixed support and an S-shaped locating plate are selected according to a roll-formed structural part which needs to be provided with a support; the roll-formed structural part which needs to be provided with the support is compressed on the fixed support to be poured through the S-shaped locating plate; the roll-formed structural part and the fixed support are connected to the two ends of the S-shaped locating plate respectively; the roll-formed structural part, the S-shaped locating plate and the fixed support are placed into the prearranged die as a whole, and prepared molten metal is poured into the prearranged die for joint pouring through a casting machine by the adoption of a continuous steel injection method. By means of the roll-formed structural part manufacturing method, production efficiency is high, product quality is good, and machining cost is low.

The invention discloses a connecting device for rotors and indexing monitoring equipment for machining wheel grooves of the rotors of steam turbines, and relates to a connecting device. The connecting device is used for solving problems of long time consumption and high labor consumption and service cost of an existing indexing disc during usage. The connecting device comprises a first cylinder section (1), a circular truncated cone section (2), a second cylinder section (3), a fourth cylinder section (4) and a fifth cylinder section (5) which are axially, sequentially and fixedly integrated. One end of the first cylinder section (1) is fixedly connected with a small end of the circular truncated cone section (2), one end of the second cylinder section (3) is fixedly connected with a large end of the circular truncated cone section (2), external threads are machined on the first cylinder section (1) along the length direction of the first cylinder section (1), and two rectangular platforms (3-1) are symmetrically machined on the second cylinder section (3). The connecting device is used for connecting the rotors with the indexing monitoring equipment for machining the wheel grooves of the rotors of the steam turbines.

The invention discloses a bolt bar part circular groove rolling strengthening method and a rolling strengthening device for a turning lathe. When a surface of a bolt bar part circular groove is rolledand strengthened, the turning lathe is adopted for rolling strengthening on the bolt bar part circular groove, one end of a bolt needing to be rolled and strengthened is clamped on a chuck of the turning lathe, the other end of the bolt is tightened by a centre of the turning lathe, then the rolling strengthening device for the turning lathe is arranged on a tool holder of the turning lathe, a rolling wheel capable of pressing the bolt bar part circular groove is arranged on the rolling strengthening device for the turning lathe, after the rolling wheel is aligned at and ejects the bolt bar part circular groove needing to be rolled and strengthened, the chuck of the turning lathe drives the bolt to rotate, and a friction force generated when the rolling wheel ejects the bolt bar part circular groove can drive the rolling wheel to rotate together, so that the bolt bar part circular groove is rolled and strengthened through the rolling wheel. The bolt bar part circular groove rolling strengthening method and the rolling strengthening device for the turning lathe provided by the invention have the beneficial effects of high processing efficiency, low cost, good quality, the simple structure, convenience in use and the like.

The invention discloses a synchronous movement mechanism and equipment using the mechanism, comprising at least one set of elastic components, the elastic components including at least two elastic parts, the first end of the first elastic part is fixed on the first rotating shaft, The end is fixed on the second rotating shaft after passing through the axis line connecting the first rotating shaft and the second rotating shaft, the head end of the second elastic member is fixed on the second rotating shaft, and the end passes through the connecting line connecting the axes of the first rotating shaft and the second rotating shaft Finally, it is fixed on the first rotating shaft; the projections of the first elastic member and the second elastic member on the cross-section of the first rotating shaft and the second rotating shaft have an intersection point; the first rotating shaft and the second rotating shaft are respectively sleeved on the on the guide. Using the synchronous transmission mechanism of the present invention, the synchronous rotation of the two rotating shafts can be smoothly realized, the processing cost is better, and there is no risk of jamming at the same time, the transmission is stable, and the elastic members are fixed on the rotating shaft in opposite directions so that the two rotating shafts can move in opposite directions. turn.