45results about How to "Avoid purchasing" patented technology

The invention discloses a method for manufacturing a metal protective film used for a film circuit test. The method includes the following steps that a ceramic substrate plated with a TaN / TiW / Au metal film is coated with a layer of photoresist, and the photoresist on the non-circuitous-pattern part of the ceramic substrate plated with the film is removed through a photo-etching method; a self-adhesive gold electroplated protective film and a self-adhesive nickel electroplated protective film are performed on the ceramic substrate plated with the film after photo-etching treatment, and then the photoresist is removed; the photo-etching method is adopted for performing photoresist coating to protect a circuitous pattern, and an Au / TiW layer of the non-pattern part is etched; the pattern part and circuitous resistance part of the ceramic substrate plated with the film are coated with layers of photoresist by the adoption of the photo-etching method, and a resistor layer of a non-photoresist-protection part is etched to form circuitous resistors; then, all the photoresist is removed, correction is performed on resistance values of the resistors, finally, the nickel electroplated protective film is removed through corrosion, and a film circuit is obtained. The machining steps of the nickel layer electroplating and nickel layer corroding are added, a gold strip line can be well protected from damage by a test probe through the nickel electroplated metal protective film, machining quality and the finished product rate of the film circuit are improved, and manufacturing cost of the film circuit is reduced.

The invention provides a balance mass moving device based on a five-rod mechanism and a method for controlling the same, wherein, the functions of accompany movement compensation and independent movement reset of a double-layer balance mass system of a workpiece table are realized by controlling four torque motors in the double-layer balance mass system of the workpiece table; the double-crank five-rod movement actuating unit is improved by adoption of the dual structure design method, and complete decoupling of the mechanism movement is realized; a corresponding actuator system, a corresponding measuring system and systematic master control are worked out according to the dual structure design method; and the movement control precision in the balance mass horizontal direction is improved through an optimized decoupling algorithm so as to guarantee that the Rz-oriented precision reaches the microradian precision.

The invention discloses a slope supporting method for crumbly strata. The slope supporting method comprises the steps of S1, slope sealing, wherein concrete is sprayed on the front surfaces, the tops and the side surfaces of slopes of the crumbly strata for constructing and forming closing layers for the crumbly strata; S2, consolidation grouting and drilling, wherein the front surfaces of the closing layers are drilled to the interiors of the crumbly strata; S3, grout pipe arranging, wherein grout pipes are embedded into drilling holes; S4, consolidation grouting, wherein grout fills in each grout pipe and waits to be consolidated; and S5, anchor rod constructing, wherein anchor rod support construction is carried out on the consolidated slopes. The slope supporting method has the advantages that the process is simple, the operation is easy, the cost is low, the construction period is short and the economic value is high.

The invention discloses antirust aluminum manganese welding wire production equipment. The antirust aluminum manganese welding wire production equipment comprises a base. A vertical plate is fixedly arranged at the upper portion of the base. From right to left, the front side face of the vertical plate is sequentially provided with an unreeling roller through a rolling bearing, fixedly provided with a correcting device, a sizing die and a tensioning device and provided with a reeling roller through a rolling bearing. The antirust aluminum manganese welding wire production equipment is long inservice life and high in production efficiency, and the quality of produced antirust aluminum manganese welding wires is good; a mechanical peeling manner is adopted for the oil dirt on the surfaces of the antirust aluminum manganese welding wires, acid liquor does not need to be used, and high environment protection value is achieved; different specifications of peeling dies and polishing dies are convenient to replace, oil dirt removal can be conducted on the antirust aluminum manganese welding wires different in specification, and applicability is good; and the situation that enterprises need to purchase multiple devices can be avoided, the enterprise production cost is effectively reduced, scratches are not likely to happen to the surface of a sliding wheel, and meanwhile it can be effectively guaranteed that the surfaces of the antirust aluminum manganese welding wires are not scratched by the sliding wheel.

The invention discloses a large roller datum surface run-out measurement device. The device comprises a roller and a base plate, the base plate is provided with a support frame for supporting the roller, and a stand column, wherein the support frame is 'Y'-shaped, a front end of the support frame is provided with an end face stanchion, and two sides of the support frame are respectively provided with two support columns; the stand column is provided with a sliding sleeve, the sliding sleeve is connected with a dial indicator holder, and by the dial indicator holder, a dial indicator is fixed on the stand column with the sliding sleeve. A lower end of the dial indicator is provided with a measuring point, and the measuring point contacts with a roller end face. An included angle of the 'Y'-shaped support frame is 90 degrees. The end face stanchion arranged at the front end of the support frame contacts with one end face of the roller; the support columns at two sides of the support frame contact with an external surface of the roller. The measurement device witch such structure can be simultaneously used for roller datum surface run-out measurement of three different types, is simple to operate, can avoid procurement of various measurement devices and can save lots of procurement fund.

The invention relates to a multi-stage pump. The multi-stage pump comprises a pump shaft, a driving end bearing assembly, a water inlet segment pump body, a multi-stage middle-segment pump body, a water outlet segment pump body, a non-driving-end bearing assembly, guide vanes, impellers, a balance disk and a cooling device, wherein the water inlet segment pump body, the multi-stage middle-segmentpump body and the water outlet segment pump body are sleeved on the pump shaft in sequence; both sides of the water inlet segment pump body and the water outlet segment pump body are connected together through pull rods; the driving end bearing assembly is arranged at one end of the pump shaft; the non-driving end bearing assembly is arranged at the other end of the pump shaft; annular cavities are formed between the water inlet segment pump body and a first-stage middle-segment pump body, between two adjacent middle-segment pump bodies, at a tail-stage middle-segment pump body and the water outlet segment pump body; both the guide vanes and the impellers are arranged in the cavities; the impellers are fixed on the pump shaft through buttons; the guide vanes are sleeved on the outer sidesof the impellers; the balance disk is fixed to the right side of a tail-stage impeller; the cooling device is arranged on the lower side of the non-driving end bearing assembly. By adopting the multi-stage pump, the independent stress on the impellers is reduced and the accumulated error due to assembly of multi-stage impellers is reduced.

The invention discloses an on-line phosphate fire-resistant oil comprehensive treatment oil-filtering machine which includes an oil feeding valve, an oil-absorption filter, an oil pump motor, a dehydrator, a regenerator, a purifier and an oil discharge valve. An oil inlet of the oil-absorption filter is connected to an oil outlet of a fire-resistant oil tank through the oil feeding valve. The oil outlet of the oil-absorption filter is connected to an oil inlet hole on the oil pump motor. An oil outlet hole on the oil pump motor is connected to the oil inlet hole on the dehydrator. The oil outlet hole on the dehydrator is connected to the oil inlet hole on the regenerator. The oil outlet hole on the regenerator is connected to the oil inlet hole on the purifier. The oil outlet hole on the purifier is connected to the oil inlet hole on the fire-resistant oil tank through the oil discharge valve. The invention also discloses an on-line phosphate fire-resistant oil comprehensive treatment method. By means of the machine and the method, various oil quality problems of phosphate fire-resistant oil during operation can be solved. The oil-filtering machine is convenient to use, allows functions of regeneration, dehydration and purification to be switched over optionally, is low in investment cost and is more safe and reliable to operate.

The invention relates to the technical field of intelligent manufacturing, in particular to an algorithm for improving the plate surface point cloud density calculated by a 3D contour sensor, and thealgorithm comprises the steps: 1, collecting ultrahigh-density point cloud data of the same type of plates; 2, calculating a depth value mean value and a depth value standard deviation of the ultrahigh-density point cloud data, judging the data of which the depth value is located in an interval as conventional data, and judging the data of which the depth value is located outside the interval as extreme data; 3, training a set of IT2 fuzzy logic system through the conventional data, and training a set of T1 fuzzy logic system through the extreme data; and 4, scanning sparse point cloud data ofa to-be-detected plate, setting required interpolation coordinate points, and calculating depth estimation values of the interpolation coordinate points in combination with the IT2 fuzzy logic systemand the T1 fuzzy logic system. According to the method, the use cost of the 3D contour sensor can be greatly reduced, the applicability is wide, and the use effect is good.

The invention relates to the field of injection mold equipment, in particular to demolding equipment capable of adjusting demolding number of injection molds. The demolding equipment comprises a bearing table, a positioning demolding device, a transverse driving device and a vertical driving device. The positioning demolding device comprises a vertical plate and a plurality of clamping fixing parts. The transverse driving device comprises a transverse plate and a transverse driving part. Each clamping fixing part is in transmission connection with the output end of the transverse driving part.The vertical driving device comprises a first guiding part and a second guiding part. The first guiding part is arranged at the driving end of the second guiding part. Assembling of different numbersis conducted according to actual production demands, production operation of injection molding products of different numbers and different types can be achieved, the production cost is reduced, purchasing of a complete set of injection molding equipment is avoided, the production efficiency of injection products is improved, the accuracy of demolding operation is improved, and the yield of the whole injection product can be increased.

The invention discloses an oil cylinder luffing crane tower body and a processing method thereof, and belongs to the field of crane tower body processing. The tower body comprises a tower body shell; and one end of the tower body shell is connected with a top cover, and the other end of the tower body shell is connected to a tower body large baseplate, which is provided with a rotary mounting surface and a plurality of through holes. The tower body also comprises an oil tank chamber shell on the top of the top cover and a side plate. The processing method comprises the steps of: respectively welding the oil tank chamber shell, the side plate, the top cover and a lifting mechanism installation support together; welding the molded tower body shell and the tower body large baseplate together; processing the tower body large baseplate plane; and conducting closure welding. The tower body provided by the invention is convenient for processing and has the advantages of small volume and small impact on driver's sight line. The invention adopts a split type processing method of tower body, and can utilize existing ordinary drill and tools, so as to shorten the processing cycle, reduce processing costs, and reduce the processing difficulty.

The invention relates to an eutectic product of honey and erythritol and a cocrystallization method of the eutectic product. The cocrystallization method adopts the technical scheme that the cocrystallization method comprises the steps of adding the honey into an erythritol fused solution, preparing a clear cocrystallization mother solution, cooling the cocrystallization mother solution to 100-120 DEG C, adding seed crystals, growing a grain, then conducting cooling crystallization, and obtaining the eutectic product of the honey and the erythritol. The eutectic product and the cocrystallization method have the characteristics of low production cost and short production cycle; the additional drying operation is not required; the moisture content of the product can be as low as 0.5wt%; and the obtained eutectic product of the honey and the erythritol has a single endothermic peak during analysis of a differential scanning calorimeter (DSC), has the advantages of stable crystal structure, bright and clean crystal surface, uniform particle size, low hygroscopicity and the like, is good in oral dissolving feel, reserves specific natural components of the honey, has perfect sweet taste and excellent physical properties, and can be widely applied to the industrial fields of food, drugs, cosmetics and the like.

The present invention relates to the technical field of intelligent manufacturing, and specifically relates to an algorithm for improving the point cloud density of a plate surface calculated by a 3D profile sensor, including, step 1, collecting ultra-high density point cloud data of the same type of plate; The mean value of the depth value and the standard deviation of the depth value of the density point cloud data, the data whose depth value is located in the interval is judged as routine data, and the data whose depth value is located outside the interval is judged as extreme data; step 3, train a Set of IT2 fuzzy logic system, train a set of T1 fuzzy logic system through the extreme data; Step 4, scan the sparse point cloud data of the plate to be detected, set the required interpolation coordinate points, combine the IT2 fuzzy logic system and the The T1 fuzzy logic system calculates depth estimates for the interpolated coordinate points sought. The method of the present application can greatly reduce the use cost of the 3D profile sensor, and has wide applicability and good use effect.

The invention provides a shear-resisting reinforced structure of steel girders, including buckling-resistant steel plate walls and steel girders at the upper and lower ends thereof, the steel girders are H-shaped or I-shaped steel girders, and the equivalent eccentric cross bracing of the buckling-resistant steel plate walls is connected with steel girders. The beams intersect at the point where the vertical resultant force acts; the steel beam includes a shear-reinforced section and a non-shear-reinforced section, take the beam height of the steel beam as hb, and the shear-reinforced section includes the vertical resultant force corresponding to two adjacent buckling-resistant steel plate walls The area between the action points and the area where the vertical force action point extends outward for 1 / 2hb; corrugated steel plates are provided on both sides of the web plate of the shear reinforcement section, and the corrugated steel plates include the first horizontal section, the second horizontal section and the oblique Section, at the point where the vertical resultant force acts, the first horizontal section is welded close to the web of the steel beam; the oblique section is welded to the two flanges of the shear-reinforced section. The invention improves the shear bearing capacity of the steel girder without increasing the height of the web to affect the building function, and at the same time avoids the problems of procurement and welding caused by the use of thick plates or variable-height beams for the steel girder.

The invention relates to the field of injection mold equipment, in particular to a working method of an injection mold capable of adjusting the mold opening amount. A bearing table, a positioning moldopening device, a transverse driving device and a vertical driving device are included, the positioning mold opening device comprises a vertical plate and a plurality of clamping fixing components, the transverse driving device comprises a transverse plate and a transverse driving component, each clamping fixing component is in transmission connection with the output end of the transverse drivingcomponent, the vertical driving device comprises a first guiding component and a second guiding component, and the first guiding component is arranged at the driving end of the second guiding component. Different numbers of molds are assembled according to the actual production need, different numbers and different kinds of injection products can be produced and operated, the production cost is lowered, purchase of whole injection molding equipment is avoided, the production efficiency of injection products is improved, the mold opening working accuracy is improved, and the yield of the wholeinjection products can be increased.

The invention provides a shearing-resistance reinforcing structure at the end parts of steel girders at a node of a beam column. The shearing-resistance reinforcing structure comprises a buckling-restrained steel plate wall, steel girders and peripheral columns, wherein the end parts of the steel girders are connected with peripheral columns, an equivalent eccentrically-intercrossed support of the buckling-restrained steel plate wall and the steel girders are intersected at vertical resultant force application points; each steel girder comprises a shearing-resistance reinforcing section and a non-shearing resistance reinforcing section, the height of the steel girder is hb, and the shearing-resistance reinforcing section comprises an area between the end part of each steel girder and the corresponding vertical resultant force application point and an area where the vertical resultant force application point extends outwards for 1 / 2hb; the two sides of a web of the shearing-resistance reinforcing section are provided with corrugated steel plates which comprise first horizontal sections, second horizontal sections and slant sections, and the first horizontal sections are closely welded with the steel girder webs at the vertical resultant force application points; the slant sections are welded with two flange edges of the shearing-resistance reinforcing section, and the corrugated steel plates are welded with the flange edges of the peripheral columns at the end parts of the steel girders. According to the shearing-resistance reinforcing structure provided by the invention, the building function can be beneficially realized; meanwhile, the purchasing and welding difficult problems caused by adopting thicker webs can be prevented.

The invention discloses a method for manufacturing a metal protective film used for a film circuit test. The method includes the following steps that a ceramic substrate plated with a TaN / TiW / Au metal film is coated with a layer of photoresist, and the photoresist on the non-circuitous-pattern part of the ceramic substrate plated with the film is removed through a photo-etching method; a self-adhesive gold electroplated protective film and a self-adhesive nickel electroplated protective film are performed on the ceramic substrate plated with the film after photo-etching treatment, and then the photoresist is removed; the photo-etching method is adopted for performing photoresist coating to protect a circuitous pattern, and an Au / TiW layer of the non-pattern part is etched; the pattern part and circuitous resistance part of the ceramic substrate plated with the film are coated with layers of photoresist by the adoption of the photo-etching method, and a resistor layer of a non-photoresist-protection part is etched to form circuitous resistors; then, all the photoresist is removed, correction is performed on resistance values of the resistors, finally, the nickel electroplated protective film is removed through corrosion, and a film circuit is obtained. The machining steps of the nickel layer electroplating and nickel layer corroding are added, a gold strip line can be well protected from damage by a test probe through the nickel electroplated metal protective film, machining quality and the finished product rate of the film circuit are improved, and manufacturing cost of the film circuit is reduced.