152results about How to "Avoid reprocessing" patented technology

The invention discloses a sliding-type tool special for positioning a clamp screw hole. The tool comprises a framework, wherein the framework is a square frame which is formed by connecting two transverse staff gauges and two longitudinal staff gauges; the surfaces of both of the longitudinal staff gauges and the transverse staff gauges are provided with scale marks; a transverse sliding chute is reserved inside both of the transverse staff gauges; a vertical sliding chute is reserved inside both of the longitudinal staff gauges; a transverse caliper is arranged between the two transverse staff gauges; a second through slot is reserved on the transverse caliper; a transverse sliding block is respectively arranged at the two ends of the transverse caliper; a transverse guide block is respectively arranged on the two transverse sliding blocks; the two transverse guide blocks are respectively matched with the two transverse sliding chutes; a vertical caliper is arranged between the two longitudinal vertical staff gauges; a first through slot is reserved on the vertical caliper; a vertical sliding block is respectively arranged at the two ends of the vertical caliper; a vertical guide block is arranged on each vertical sliding block; the two vertical guide blocks are respectively matched with the two vertical sliding chutes; and both the vertical sliding blocks and the transverse sliding blocks are provided with scale mark pointers.

The invention discloses a drilling histogram compilation method based on field documentation data and automatic cartographic generalization. The drilling histogram compilation method comprises the following technical modules independently used for pre-processing and storing original field data according to the rules of geological documentation and histogram drawing, combining with expertise and well logging explanation result data to carry out knowledge innervation and the cartographic generalization on the histogram, automatically classifying and archiving a comprehensive result, putting the comprehensive result into storage and carrying out user-defined printing and outputting on a result map. When a comprehensive drilling histogram is drawn through the technical system, the integral generation of the histogram can be realized, a working principle that original documentation data supports map frame generation and expert knowledge leads a final achievement can be embodied, contradiction that originally collected data is artificially tampered and industry knowledge innervation can not be carried out is avoided, the workflows of the comparison of geological documentation data and well logging data and the regulation of stratum (rock stratum) boundary line regulation can be simplified, the compilation efficiency of the drilling histogram can be greatly improved, and the drawing of the histogram can be more normative.

The invention discloses a mold rapid machining method based on a 3D printing mold core. The mold rapid machining method based on the 3D printing mold core is characterized by comprising the followingsteps of S1, preparing needed raw materials; S2, designing a geometric structure of the mold core, and converting the geometric structure of the mold core into a format matched with a format in a control equipment system; S3, using a 3D printing technology to print the mold core after S2 is finished; S4, polishing and grinding the mold core in S3 to a desired size and surface accuracy; S5, assembling the mold core in a mold base after S4 is finished; and S6, carrying out follow-up molding or casting mold batch production. By directly and rapidly performing 3D printing on the mold core, polishing the surface of the mold core and fastening the mold core on the mold base, the follow-up molding or casting mold batch production of the mold core is carried out and realized. According to the moldrapid machining method based on the 3D printing mold core, an optimal design is realized, the efficiency or function of a terminal product is enhanced, a difficult problem of traditional machining technologies such as CNC during machining the complicated geometric structures is solved, the design is free, the manufacturing is rapid and green, and green and intelligent transformation and upgradingof the traditional mold industry are really realized.

The invention discloses a method for preparing water-soluble lutein, which includes: throwing marigold oil resin into a saponification tank, adding alcohol compounds into the saponification tank, leading temperature inside the saponification tank to rise to 80-95 DEG C, and continuously dropwise adding strong alkali solutions into the saponification tank to be reacted sufficiently so as to obtain nanoscale lutein crystals; diluting the nanoscale lutein crystals for 1-10 times by aid of deionized water at temperature of 70-90 DEG C, and adjusting potential of hydrogen (pH) of the diluted nanoscale lutein crystals to be 4-7 by aid of acid to obtain diluent; and adding organic solvents into the diluent by weight ratio of 1:1-1:3, and extracting for 2-5 times to obtain the pure lutein. Through the method, the lutein crystals obtained by aid of the marigold oil resin through a special saponification process reach the nanoscale, and lutein quality and lutein production yield are improved.

The invention discloses Al-Fe-Mg-Zr aluminum alloy used for coal mine cables. The Al-Fe-Mg-Zr aluminum alloy comprises 0.2 percent-1.1 percent of Fe, 0.01 percent-0.4 percent of Mg, 0.001 percent-0.2 percent of Zr, 0 percent-0.1 percent of Si, 0 percent-0.2 percent of B and the balance being Al and impurities, wherein the resistivity of the aluminum alloy is not larger than 0.028164 omega*mm<2> / m, the elongation at break is not lower than 10 percent, and ninety-degree fatigue bending frequency is larger than or equal to thirty. The aluminum alloy material is smelted, cast and rolled, so that an aluminum alloy rod is obtained; afterwards, the aluminum alloy rod is subjected to pulling, bunch stranding and softening, so that an aluminum alloy cable core is formed; next, the cable core is subjected to extruded insulation, cabling, sheath extrusion or armoring, so that an aluminum alloy cable is manufactured. The manufactured aluminum alloy cable has the advantages of being high in strength, high in electric conductivity, good in bending performance and the like, and therefore the requirements for cable performance in the field of coal mines can be satisfied.

The invention relates to a machining method of a breathable steel ring strap. The breathable steel ring strap comprises an upper woven strap and a lower woven strap, wherein the upper woven strap is connected with the lower woven strap through a fishing wire; the upper woven strap has a partial hollow structure and the partial hollow structure is a steel wire hole; and the fishing wire is one of a nylon monofilament and a polyester monofilament. According to the machining method, a breathable layer structure is arranged in the steel ring strap, so that the air permeability of the steel wire strap is improved, compression on chest tissue structures, caused by a dense textile structure, is avoided, and a condition that an airtight textile structure stops the conveying of water and gas of tissue cells is avoided; meanwhile, a grid-shaped breathable structure layer has certain stretchable elasticity and has the effect of relieving pressure on the chest tissue structures of human bodies in a use process, and the comfort of users is improved; and meanwhile, the breathable steel ring strap is formed by integrally weaving and has no cutting thread residues and sewing incisions, so that procedures including reprocessing and the like are avoided, and the wearing comfort and artistic feeling can be improved.

The invention relates to a method for expanding the use of a middle die device of a copper rotor die-casting die and belongs to the technical field of die-casting dies. The middle die device is the middle die device of a conventional copper rotor die-casting die. According to the method, different upper cushion blocks (2), supporting columns (6) and lower cushion blocks (8) are replaced to adjust the total length, wherein the upper cushion block (2) and the lower cushion block (8) are processed to be as long as each other, or to be composed of two or more cushion blocks; the cushion blocks are the same or different in thickness, and the thickness can be decided according to the change of the product length; each part is formed and fixed by use of the overall dimension or by use of a positioning pin. The method is simple and convenient to operate; the repeated machining of the middle die is avoided; the free change of different iron core lengths of the same product can be realized; the die machining cost can be greatly reduced; the inventory pressure is reduced.

The invention discloses a motor end cap comprising an end cap body and a bearing installing base. The bearing installing base is arranged in the internal part of the end cap body. The bearing installing base comprises a connecting part and an installing part. The connecting part and the end cap body are detachably connected. The installing part comprises a shell, multiple spiral push rods and multiple clamping blocks which are corresponding to the spiral push rods in a one-to-one way. A circular arc shape used for clamping a bearing is formed by the internal sides of the multiple clamping blocks. The external side of each clamping block is provided with an open cavity. One end of each spiral push rod is connected with the open cavity in a clamping way via a connector. The spiral push rods outwardly extend to the external part of the shell from the connectors and are connected with the shell via threads. The motor end cap can be adjusted according to the sizes of different bearings so that only the size of the clamping circular arc formed by all the clamping blocks requires to be adjusted when the bearing is replaced, and reprocessing of a bearing cavity is avoided. Besides, the replacing process is more convenient and rapid and processing cost is reduced.

The invention discloses Al-Fe-Cu-Mg-Mn aluminum alloy used for coal mine cables and an aluminum alloy cable. The aluminum alloy material comprises, by weight, 0.2 percent-1.1 percent of Fe, 0.01 percent-0.4 percent of Cu, 0.01 percent-0.4 percent of Mg, 0.001 percent-0.1 percent of Mn, 0 percent-0.1 percent of Si, 0 percent-0.2 percent of B and the balance being Al and impurities. The aluminum alloy material is smelted, cast and rolled, so that an aluminum alloy rod is obtained; afterwards, the aluminum alloy rod is subjected to pulling, bunch stranding and softening, so that an aluminum alloy cable core is formed; next, the cable core is subjected to extruded insulation, cabling, sheath extrusion or armoring, so that the aluminum alloy cable is manufactured. The Al-Fe-Cu-Mg-Mn aluminum alloy used for the coal mine cables has the advantages of being high in strength, high in electric conductivity, good in bending performance and the like; the aluminum alloy cable made of the aluminum alloy can meet the requirements for cable performance in the field of coal mines.