33results about How to "Material transparent" patented technology

The invention discloses an artificial joint-like piece curved surface turbulence simulating polishing device and a method thereof. The device comprises a glass constraint component, a profiling electromagnetic wave heater, a temperature detection device, a supporting frame and an electromagnetic wave controller, wherein the glass constraint component is arranged outside an artificial joint-like piece in a sleeving way; the inner surface of the glass constraint component and the curved surface of the artificial joint-like piece form a profiling runner with uniform thickness; the profiling electromagnetic wave heater is arranged on one side of the glass constraint component; the profiling electromagnetic wave heater comprises an outer cover, heating sources, a concave lens and a convex lens; and each heating source of the profiling electromagnetic wave heater is electrically connected with the electromagnetic wave controller and is independently controlled by the electromagnetic wave controller. One heating source is placed on the side surface of the glass constraint component, the turbulence energy and the speed of abrasive flow cutting fluid are increased, and the linear loss and the head loss of the abrasive flow in the profiling runner are compensated, so that the whole processing effect is improved and the surface processing quality of the artificial joint-like piece is more uniform.

The invention discloses a method for preparing a red flag mark for deep space probes, and belongs to the technical field of aerospace material preparation. The invention solves the problems that the existing marks for deep space detectors are prone to cracks, degradation or even falling off under the extreme environment of deep space. Based on the organic / inorganic hybrid system and interface control theory, the present invention prepares POSS-CNT-ZnO ternary composite functional filler, uses the filler to modify cyanate resin to prepare coating, and applies it to the extreme space of deep space The external identification of the detector in the environment. Each component in the coating exhibits a good synergistic effect through the process of charge transfer and heat transfer at the interface, which significantly improves the mechanical stability and radiation resistance of the coating. The modified cyanate ester coating prepared by the present invention is a mark for deep space detectors that integrates resistance to alternating cold and heat, electron radiation, atomic oxygen, ultraviolet radiation and low vacuum pollution. The coating preparation method It can also be widely used in the protection of exposed parts of detectors.

The invention discloses a segment heating artificial joint turbine precision machining device, including a glass constraint component, three electrical magnetic wave heating devices, a support frame, an air membrane pump, a stirring device and an electrical magnetic wave control device, the inside surface of the glass constraint component and the curved surface of artificial joint form an even thickness profile modeling passageway, the profile modeling passageway, the air membrane pump and the stirring device through a pipe passage closing connect into a grain flow circulating system; three electrical magnetic wave heating devices are installed on one side of the glass constraint component, the shapes of the three electrical magnetic wave heating devices are respectively matched with the shapes of the profile modeling passageway at corresponding positions, the total length of the three electrical magnetic wave heating devices is the same with length of the whole profile modeling passageway; through placing electrical magnetic wave heating device on the side face of the glass constraint component, the device increases the turbulent kinetic energy and speed of the grain flow cutting fluid, compensates the pipeline loss and water head loss of the grain flow inside the profile modeling passageway, thereby improving the effect of overall machining, and making more even the machining quality of the surface of artificial joint.

The invention discloses a method for heating abrasive flow in turbulent flow processing of a similar-artificial joint. The method comprises the following steps: (1) establishing a profiling flow channel; (2) establishing a simulating model of the abrasive flow; (3) calculating a temperature compensation curve required for the profiling flow channel on the basis of tubulence energy of the abrasive flow and linear loss and local loss of the tubulence energy; (4) obtaining a temperature curve in the flow channel of the abrasive flow on the basis of the simulating model; (5) calculating a heating temperature curve; (6) equally dividing the profiling flow channel into N sections, wherein N ranges from 10 to 30; (7) mounting N electromagnetic wave heating sources on a side surface of the profiling flow channel; and (8) adjusting the working efficiency corresponding to each electromagnetic wave heating source 3 according to the heating temperature curve in the step (5). The fluid simulating model is established to obtain the heating temperature curve, temperature change of the abrasive flow in the profiling flow channel is visually reflected in real time, the electromagnetic heating sources are accurately controlled by the heating temperature curve, and therefore, uniformity of processing is guaranteed.

The invention discloses a temperature control device of pseudo artificial joint part abrasive flow turbulence polishing equipment temperature control device and a method thereof. The temperature control device comprises a glass constraint component, a temperature detection device, a three-freedom-degree moving device, an electromagnetic wave heater, a support frame, a gas membrane pump, a stirring device and an electromagnetic wave controller; the inner surface of the glass constraint component and the curve surface of the pseudo artificial joint part form a profiling flow passage with the uniform thickness; the profiling flow passage, the gas membrane pump and the stirrer form an abrasive flow circulation system through a pipeline; the temperature detection device is right aligned with the profiling flow passage; the three-freedom-degree moving device drives the electromagnetic wave heater to freely move in the three-dimensional space above the glass constraint component. Through the electromagnetic wave heater capable of moving along the three-freedom degree moving device which is arranged on the glass constraint component and is used for heating any position in the profiling flow passage; the turbulence kinetic energy and the speed of the abrasive flow cutting fluid in the corresponding heating position are respectively increased and accelerated, so that the integral processing effect is improved; the surface processing quality of the pseudo artificial joint part is more uniform.

The invention discloses a temperature compensation method for a machined workpiece in the turbulent flow machining process of an artificial joint piece. The method includes the following steps that (1) an artificial joint abrasive flow machining profiling flow channel is established; (2) the turbulence energy function of abrasive flow in the profiling flow channel is established; (3) the kinetic energy loss formula of the abrasive flow is established; (4) the relational expression of the temperature and machining path is established; (5) profiling electromagnetic wave heaters are arranged; and (6) after the whole device works stably, all the positions in the profiling flow channel are subjected to temperature compensation by independently adjusting a heating source of each profiling electromagnetic wave heater, and the abrasive flow is used for continuously machining the artificial joint piece till the complete machining process is completed. By means of the temperature compensation method, the temperature compensation function is established, temperature variation of the abrasive flow in the profiling flow channel is visually reflected in real time by establishing the temperature compensation function, and therefore temperature compensation of all the positions in the profiling flow channel is facilitated, the heating sources of the electromagnetic wave heaters can be accurately controlled conveniently, and homogeneity in the machining process is guaranteed.