36results about How to "Reduce turnover process" patented technology

The invention relates to a bearing outer ring grinding process and solves the problems that appearance is influenced due to the fact that processing prints are unavoidably left on an outer ring of a bearing and the outer ring needs to be ground for many times during processing of a grooved way of the bearing when the circular center of the groove way of the bearing deviates from the circular center of the outer diameter of the bearing in the prior art of processing of the outer ring. The bearing outer ring grinding process is characterized by including the following steps: grinding the outer ring of the bearing for three times, directly grinding the outer ring to be in a final size, and adopting ceramic support for grinding of the grooved way of the outer ring of the bearing. The grooved way and the outer diameter are good in concentricity, process turnover is reduced, production efficiency of the outer ring is improved, grinding time and processing cost are reduced, wall thickness difference is high in controllability, and roundness accuracy of the grooved way of the outer ring is greatly improved.

The invention discloses a template clamp product air-cooling device. The template clamp product air-cooling device comprises a draught fan and an air-cooling machine case. The draught fan is fixedly mounted at the upper left end of the air-cooling machine case. The air outlet end of the draught fan is connected with an air inlet of the air-cooling machine case. An air baffle is mounted in the air-cooling machine case. A plurality of slide rolls are mounted on the bottom of the air-cooling machine case at intervals in parallel in the horizontal direction. The front and rear ends of the slide rolls are rotatably mounted on the front and rear inner walls of the air-cooling machine case correspondingly. An air cylinder is further mounted on the outer portion of the left end of the air-coolingmachine case. A piston rod of the air cylinder extends into the air-cooling machine case in the left-right direction of the air-cooling machine case. A push plate is also mounted at the end of the piston rod. The right end of the air-cooling machine case is provided with an air outlet. The template clamp product air-cooling device combines forging thermal stress and strong air cooling to fully achieve hardness enhancement of forgings by making full use of forging waste heat. The thermal treatment production process is omitted. The cost is saved. Environmental pollution is reduced.

The invention relates to a technological method for manufacturing a carbon steel gate valve and gate. The technological method comprises the following steps: (a) selecting ASTM A487 / A487 standard CA15 materials as casting materials; (b) casting the casting materials selected in the step (a) into gate valve and gates; (c) quenching the cast gate valve and gates at the quenching temperature of 1030+ / -10 DGE C for 2.5min / mm; (d) tempering the quenched gate valve and gates at the tempering temperature of 460+ / -10 DGE C for 3min / mm; and (e) performing oil cooling or water cooling to the tempered gate valve and gates. Compared with the prior art, the technological method has the advantages of omitting two rough turning procedures for reducing turnover procedures of workpieces, reducing two bead welding procedures for saving welding materials and decreasing the turnover procedures of the workpieces, ensuring the content of Cr to be greater than or equal to 11.5%, and ensuring the consistent hardness of sealing surfaces to be HRC40-42.

The invention discloses a turnover device applied to the manufacture of an axial type diode. The turnover device includes a bar-shaped substrate, a plurality of material combing teeth and a plurality of orientation teeth, wherein the plurality of material combing teeth are positioned at the middle of the bar-shaped substrate and straightly arranged along the length direction, the plurality of orientation teeth are positioned on one side of the bar-shaped substrate and straightly arranged along the length direction, and thereby a long slot is formed between the plurality of material combing teeth and the plurality of orientation teeth, a material combing tooth slot is formed between the two adjacent material combing teeth, a material combing tooth slot is formed between the two adjacent orientation teeth, and the spacing of the material combing tooth slots is more than the diameters of a first copper lead and a second copper lead; the material combing teeth and the orientation teeth are positioned on the same side of the bar-shaped substrate and arranged oppositely, and a stepped surface is arranged on one side of the long slot and between the material combing teeth and the bar-shaped substrate. According to the turnover device provided by the invention, the purpose of directly loading is achieved, the turnover tools can be reduced, the work efficiency is improved, the turnover process of the diode is reduced, and the product yield is improved.

The invention discloses a machining method for a floating bush of a turbocharger. The machining method comprises the following steps: roughly turning the outer circle and an inner hole; turning the inner hole and the outer circle by a numeric control turn-milling center; drilling three oil inlet holes and an anti-rotating pin hole; milling oil tanks corresponding to the three oil inlet holes; performing finish turning on the outer circle and performing semi-finish turning on the inner hole; chamfering the outer circle and the inner hole of a non-cut end; cutting lengthwise; marking the non-cut end face; turning round; chamfering the outer circle and the inner hole of the cut end; removing all burrs at the orifices; grinding the cut end face; milling the inner hole and the oil tanks; removing all burrs; performing comprehensive inspection. The machining method for the floating bush of the turbocharger guarantees the accuracy of the inner hole, the oil tanks and oil wedge surfaces and improves the production efficiency, so that the machining time is shortened from original 3.93m / piece to 2.35m / piece.

The invention discloses a novel numerical control wire-cut electrical discharge machining method and a novel numerical control wire-cut electrical discharge machining device. The numerical control wire-cut electrical discharge machining device is at least configured with a numerical control X axis, a numerical control Y axis and a numerical control Z axis; a wire electrode is provided with a horizontal cutting section and a vertical cutting section; after a workpiece is clamped once and when the workpiece is processed by utilizing the horizontal cutting section, if the wire electrode in the horizontal cutting section is set to be parallel with the X axis, a straight grain profile, around the X axis, of the workpiece is cut through the linkage of the numerical control Y axis and the numerical control Z axis; if the wire electrode in the horizontal cutting section is set to be parallel with the Y axis, a straight grain profile, around the Y axis, of the workpiece is cut through the linkage of the numerical control X axis and the numerical control Z axis; when the workpiece is processed by utilizing the vertical cutting section, a straight grain profile, around the Z axis, of the workpiece is cut through the linkage of the numerical control X axis and the numerical control Y axis. According to the novel numerical control wire-cut electrical discharge machining method and the novel numerical control wire-cut electrical discharge machining device disclosed by the invention, without turning over the workpiece, the precise complicated straight grain profile of the workpiece can be cut in two vertical and horizontal directions, and therefore, a workpiece turnover process is not needed, a workpiece turnover error is avoided, and the machining precision is improved.

The invention relates to the technical field of punching, and specifically discloses an undercut forming punching mechanism arranged in a mold, which is arranged in an upper mold of a forming mold frame, and includes a slider forming mechanism and a punching mechanism. The slider forming mechanism includes The slider pushes the cylinder and the forming slider, the slider pushes the cylinder and is fixed on the upper die, and the output end of the slider pushes the cylinder to connect with the forming slider; the punching mechanism includes the punch pushing the cylinder, the punch and the fixed insert, and the fixed insert The block is fixed on the upper die, the punch pushing cylinder is fixed on the fixed insert, and the punch is fixed at the output end of the punch pushing cylinder. The undercut forming and punching mechanism of the present invention is mainly used for forming and punching the carpet with inwardly concave holes in the interior parts of the automobile. The concave hole is punched, so that forming and punching can be completed at one time, which improves work efficiency, reduces process turnover, and ensures product quality.

The invention relates to a preparation method of an asymmetric rare earth capacitor battery, and belongs to the field of water power battery. The method comprises the steps that: positive electrode and negative electrode battery slurries and a capacitor slurry are prepared; the positive electrode slurry is coated on foamed nickel, such that a positive electrode is prepared; bake-drying, rolling, powder removing, welding, and longitudinal and transverse cutting are carried out, such that a positive electrode sheet is prepared; the positive electrode sheet is packaged by using a separation film bag; the negative electrode slurry is coated on foamed nickel, and the materials are bake-dried; the capacitor slurry is coated on the material, and secondary bake-drying, rolling, powder removing, welding, and longitudinal and transverse cutting are carried out, such that a negative electrode sheet is prepared; the positive and negative electrode sheets are stacked, such that a battery core is prepared; the battery core is placed in a housing, and welding, top cover sealing, and liquid injection are carried out; and series connection formation is carried out, such that the battery is prepared. According to the invention, laminated coating is adopted in preparing the negative electrode sheet, such that the capacitor material is completely effectively combined with the battery material, and the integration of the positive and negative electrode sheets and the conductive lugs is realized. The battery has the advantages of high safety, environment friendliness, and low cost. The battery has both the energy density advantage of a nickel-metal hydride battery and the power density advantage of an asymmetric supercapacitor, such that operation conditions for electric vehicle and the like can be achieved.