30results about How to "Simple and reliable processing" patented technology

The invention relates to an oblique-shaft type axial plunger pump / motor with a novel-structured plunger. The oblique-shaft type axial plunger pump / motor with the novel-structured plunger comprises a housing, a bearing cover, a spindle, the plunger, a cylinder body, a valve plate and a rear cover. The plunger is inserted inside the cylinder body hole of the cylinder body and hinged to a ball socket in the spindle through a ball joint at one end; the ball joint of the plunger is provided with a cylindrical step structure. By means of the improvement of the ball joint structure of the plunger, the oblique-shaft type axial plunger pump / motor with the novel-structured plunger can reduce the vibration during operation, accordingly, reduce the noise, improve the efficiency and further prolong the service life.

The invention discloses a method for preparing wide-temperature-range high-frequency high-damping rubber materials. The method includes the following steps of preparing rubber compound by epoxidation natural rubber, softener, filler, damping intensifier, vulcanizing auxiliary and vulcanizing agent at the temperature of 40-150 DEG C, standing, vulcanizing in a certain condition to prepare the wide-temperature-range high-frequency high-damping rubber materials. Damping performance is improved by utilizing the epoxidation natural rubber as rubber base body and acidulated multiwall carbon nano tube. By utilizing phenolic resin as vulcanizer and double-bond generation chemical reaction of end reactive group in the phenolic resin and the epoxidation natural rubber, the epoxidation natural rubber can be subjected to crosslinking, and meanwhile, effective temperature range and frequency range of damping of the epoxidation natural rubber damping materials are broadened by means of hydrogen bond action between epoxy group of the epoxidation natural rubber and phenolic hydroxyl group of the phenolic resin, and has excellent mechanical performance. Further, the method for preparing wide-temperature-range high-frequency high-damping rubber materials has the advantages of simplicity in process and low cost.

The invention discloses a processing technology of two intersected cylinders, and the method comprises the following steps: (1) blanking a round steel blank; (2) utilizing a chuck to clamp the blank, and turning one end of the blank; (3) turning the other end of the blank; (4) reaming other two end surfaces respectively and drilling a central hole; (5) propping the central holes at the two ends and turning the outer circle of a small cylinder; (6) removing the redundant part of the small cylinder; (7) milling each plane; and (8) drilling each hole and tapping. The processing technology disclosed by the invention has the beneficial effects that two intersected cylinders can be simply and reliably processed on a general machine tool, the efficiency is high, and the cost is low.

The invention discloses a method used for generating an iso-wall thickness layered filling area of a three-period minimal surface. The method comprises the steps that a three-period minimal surface layered slice contour is input, wherein the slice thickness is h and the double-sided offset solid wall thickness is d; an influence layer which influences each target slice layer is found, and the offset distance thereof is calculated; the slice contour of each target slice layer is bidirectionally offset to form a first offset closed area, and the slice contour of the influence layer correspondingto each target slice layer is bidirectionally offset to form a second offset closed area; after the second offset closed area of the influence layer is projected to the corresponding target slice layer, the union set of the projected second offset closed area and the first offset closed area of the target slice layer is acquired, and the union set is used as the iso-wall thickness layered fillingarea of the target slice layer; and the iso-wall thickness layered filling areas of all slice layers are saved as a CLI file for output. The method has a stable and reliable process, and avoids the disadvantage of three-dimensional space mesh surface offset.

The invention discloses an injection mold with an oil cylinder slide block combined type core-pulling structure. The injection mold with the oil cylinder slide block combined type core-pulling structure comprises a fixed mold plate and a movable mold plate arranged below the fixed mold plate, wherein a fixed mold core is arranged in the fixed mold plate, a movable mold core is arranged in the movable mold plate, a product cavity and a slide block are arranged between the fixed mold core and the movable mold core, and a core-pulling mechanism is arranged in the movable mold plate. The core-pulling mechanism comprises an oil cylinder, an oil cylinder fixing screw and an oil cylinder stroke guiding block, the oil cylinder is connected with the oil cylinder stroke guiding block through the oil cylinder fixing screw, a first wear-resisting plate is installed on the oil cylinder stroke guiding block, a second wear-resisting plate is installed on the movable mold, a slide block stroke guiding block matched with the first wear-resisting plate is installed on the slide block, therefore, the size of the appearance of the mold is greatly reduced, and the mold space is saved.

The present invention provides a device for cooperation control and regulation of lasers, belonging to the vision measurement field, and relates to a device for cooperation control and regulation of lasers. The device for cooperation control and regulation of the lasers comprises a box, two sets of rotation assemblies with the completely same structure, and two groups of array frames with the completely same structure. The two sets of the rotation assemblies are symmetrically installed on the box, and the two groups of the array frames are respectively fixedly connected with the two groups of the array frames. Each array frame is composed of a fundamental support and five groups of spacing regulation devices with the completely same structure. The layout of the five groups of the spacing regulation devices on the fundamental support is that: one group of the spacing regulation devices is installed in the middle, and four groups of the spacing regulation device are symmetrically disposed and respectively installed at four corners. Each spacing regulation device is fixed and connected with the fundamental support through screws, and is in a symmetry layout. According to the invention, a plurality of line lasers may be flexibly controlled, different striation modes may be projected according to different measurement requirements, and the spaces of the striations may be timely and steadily regulated. The device for cooperation control and regulation of lasers provided by the invention has compact structure, small space usage, reliable performances and easy operation, and effectively improve the effectively of the vision measurement.

The invention relates to a metal-to-metal sharp angle seal welding pipe joint. A pipe joint with simple installation and reliable mounting performance does not exist at present. The pipe joint comprises a joint body, a welding connection pipe with a connection pipe body and a nut, wherein the outer wall of the connection pipe body is provided with a circle of lug boss. The pipe joint is characterized in that: one end of the joint body is provided with a sealing plane; one end of the connection pipe body is provided with a sharp angle sealing ring with a sharp angle, the cross section of the sharp angle is provided with two edges, the included angle between the edge extending to the outer wall of the connection pipe body and the end face of the connection pipe body is 8 to 60 degrees, and included angle between the edge extending to the inner wall of the connection pipe body and the end face of the connection pipe body is 15 to 60 degrees; the other side of the lug boss is provided with a circle of stress plane and a circle of deformation groove with arc structure bottom; and the welding connection pipe is arranged in the nut, the nut is connected with the joint body, the sharp angle sealing ring is jacked on the sealing plane, and the stress plane is jacked on the nut. The pipe joint has reasonable design, simple installation, reliable sealing performance, high working pressure and wide application range.

The invention discloses a novel aluminum alloy transformer cooling fin clamping mechanism and a technological process. The novel aluminum alloy transformer cooling fin clamping mechanism comprises fixed supports, a rotating support is installed on each fixed support and connected with a turning mechanism, a transformer cooling fin is installed on each rotating mechanism and connected with a main circulation pipeline, the transformer cooling fins are welded through a six-degree-of-freedom welding robot, and the six-degree-of-freedom welding robot conducts welding on the transformer cooling fins simultaneously; oil chambers are directly connected with the main circulation pipeline by omitting a connecting plate, and the risk of welding bending deformation of oil chambers is reduced; by means of design of the transformer cooling fin clamping mechanism, the problem that due to the fact that clamping and positioning are poor, bending deformation of the oil chambers and / or the cooling fins occurs in the welding process of the transformer cooling fins is solved; by means of the six-degree-of-freedom welding robot, the speed and precision of welding are increased; by means of design of the technological process of the transformer cooling fins, machining of the transformer cooling fins is easier and more reliable.

The invention concerns an open-end spinning apparatus with a spin-rotor, the shaft of which is supported by an aerostatic, radial bearing with an air gap between the bearing assembly and the shaft. The construction material for the bearing surface of the spin-rotor and / or the bearing surface of the radial bearing is polyimide or aramid.

The invention discloses an embedded vector font color changing method for realizing the receiving and transmitting and displaying of multimedia messages in an embedded system with low processing capacity and low storage capacity. A message receiving party and a message transmitting party use same message coding mode. The embedded vector font color changing method comprises the following steps: adding color information of a message into coding information of the message when a user writes the message, then sending the coding information to a called user, obtaining corresponding color information and character information by analyzing after the called user receives the coding information, then executing the following steps to process all characters in the message, processing the characters by using a font engine to obtain 256-grayscale bitmap information and color information of the characters; converting the data of each point of the bitmap information according to the 256-grayscale bitmap information and the color information; and displaying the characters on a screen by using a vector font decoder according to the obtained color information.