Abstract: The present disclosure belongs to the technical field of automobile chassis suspension system tests, and provides a wheel acceleration torque system and test equipment for an automobile chassis simulation road test. The automatic connection and separation mechanism is connected with a transmission shaft of a wheel; the automatic connection and separation mechanism can apply acceleration torque of the torque shaft to the transmission shaft, and can separate the acceleration torque applied to the transmission shaft; and the wheel acceleration torque system and the test equipment can adapt to the requirement for applying the acceleration torque in a test of a test bench, simulate to apply the acceleration torque which the wheel bears in the actual road running process, ensure that a test state of a tested wheel and suspension system is close to a test state of a real automobile test field.

Abstract: Disclosed is a hole wall thickness gauge. In the technical solution, a deburring function and a measurement function are integrated, and measurement is completed while deburring is completed. The hole wall thickness gauge is ingenious in design, flexible and high in efficiency and has a quite high practical application value.

Abstract: The present disclosure provides a visual model for image analysis of material characterization and analysis method thereof. By collecting and labeling big data of microscopic images, the present disclosure establishes an image data set of material characterization; and uses this data set for high-throughput deep learning, establishes a neural network model and dynamic statistical model based on deep learning, to identify and locate atomic or lattice defects, and automatically mark the lattice spacing, obtain the classification and statistics of the true shape of the microscopic particles of the material, quantitatively analyze the tissue dynamics of the material.

Abstract: The present disclosure belongs to the field of machining of chamfers of holes. The hole chamfering device includes blades in bilateral symmetry and a blade distance adjusting, through the blade distance adjusting, the distance between the blades on the left side and the right side can be adjusted, thus, after the blades on the left side and the right side of the hole chamfering device process chamfers on the front face of a hole, the distance between the blades is reduced to enable the blades to pass through the hole to process chamfers on the back face of the hole, after processing of the chamfers on the back face of the hole is completed, the distance between the blades is reduced, the hole chamfering device not only can chamfer the front face of the hole, but also can chamfer the back face of the hole.

Abstract: The present disclosure belongs to the technical field of hole machining equipment, and provides a hole chamfering device including blades in bilateral symmetry and a blade posture adjusting assembly. The hole chamfering device not only can be fed from the front face of a hole to complete chamfering work on the front face of the hole, but also can solve the problem of chamfering the back face of the hole under the condition that a chamfering tool cannot be directly fed from the back face of the hole. The hole chamfering device can be fed from the front face of the hole to complete chamfering work on the front face and the back face of the hole, and meanwhile, can remove burrs in the hole, thereby meeting the machining requirement of conventional chamfering of the hole.

Abstract: An electric valve, comprising a housing component and a valve body component, wherein the housing component is fixedly connected to the valve body component; a control component comprises a motor, and a control component is provided in an inner cavity of the housing component. With respect to the background art, the influence of moisture on the motor can be reduced.

Abstract: The application belongs to the technical field of a casting mold and provides a side mold and a low-pressure hub casting mold. Channels of a cooling loop are processed in a back cavity of a side mold frame, a distance between the channels along a solidification direction of a casting gradually increases, and a cooling medium flows along the cooling loop, the ability of taking away heat changes from strong to weak, and a larger temperature gradient of the side mold may be formed by superposition with a temperature gradient formed by the thickness of the side mold.

Abstract: A self-centering device for a liner press-fit wheel may improve center alignment when liners are pressed in bolt holes of the wheel, may reduce rejects generated when bolt hole materials are pressed out by alignment failures, and may improve a press-fit yield.

Abstract: A wheel and a rim with weight reduction sockets are provided. The rim is made of an aluminum alloy and includes an inner flange, a middle portion and an outer flange, the inner flange, middle portion and outer flange are all annular and are connected end to end to form a cylindrical rim, in which weight reduction sockets are provided on the outer surface of the middle portion of the rim; the weight reduction sockets are rectangular ones, and are arranged in lattices in turn; and 3-5 rows of weight reduction sockets are arranged annularly on the outer surface of the middle portion of the rim.

Abstract: The present disclosure belongs to the technical field of casting equipment, and provides a method and system for adjusting process parameters of a die-casting machine, and a storage medium. The method and the system can receive die wheel type, molten aluminum temperature, interruption time and defect information in real time, respond to the above information one by one according to a set response priority order, select die-casting process parameters, and automatically adjust different process parameters for different products and different working conditions, thereby realizing simultaneous control of multiple die-casting machines, replacing manual adjustment and improving product quality stability and production efficiency.

Abstract: The application relates to the technical field of casting and provides a casting mold, a counter-pressure casting method and a low-pressure casting method. The casting mold includes an upper mold insert arranged on an upper mold, a riser cavity is formed in a lower part of the upper mold insert, the riser cavity communicates with a mold cavity, an air pipe is arranged on the upper mold insert, one end of the air pipe is located at a top of the riser cavity, and compressed air can be introduced. The compressed air is introduced into the air pipe in the casting process, an upper part of the riser cavity forms a pressure with the same order of magnitude in a heat-insulating furnace, and the pressure of the riser is transmitted to a far-end defect position through local extrusion.

Abstract: The application belongs to the technical field of a casting mold and provides a side mold and a low-pressure hub casting mold. Channels of a cooling loop are processed in a back cavity of a side mold frame, a distance between the channels along a solidification direction of a casting gradually increases, and a cooling medium flows along the cooling loop, the ability of taking away heat changes from strong to weak, and a larger temperature gradient of the side mold may be formed by superposition with a temperature gradient formed by the thickness of the side mold.

Abstract: The application provides a cooling water channel for a casting mold. The cooling water channel adopts a sealing structure in which a water channel insert, a sealing cover plate and a metal corrugated sealing ring are matched with each other, wherein a bottom surface of the metal corrugated sealing ring is corrugated or two side walls of the metal corrugated sealing ring are corrugated, and the sealing cover plate is pressed to enable the metal corrugated sealing ring to generate elastic deformation, so that corrugations on the two side walls of the metal corrugated sealing ring and a side wall of the water channel form multi-point contact or the bottom surface of the metal corrugated sealing ring expands to make the side walls of the metal corrugated sealing ring in tight contact with the water channel to achieve a water channel sealing effect.

Abstract: Disclosed is a method for preparation of an aluminum matrix composite including preparation of in-situ reaction mixed salt, preparation of a TiB2 enhanced 6061 aluminum matrix composite and ultrasonic treatment of a composite melt. The obtained composite contains TiB2 enhancing particles which are fine in size and uniform in distribution and may remarkably improve the mechanical performance indicators of a matrix alloy. In the TiB2 enhanced 6061 aluminum matrix composite according to the present disclosure, the size of the TiB2 enhancing particles is 200-500 nm and the particles are uniform in distribution in the matrix alloy.

Abstract: A process for casting aluminum alloy parts is disclosed. The process includes the steps as follows: raising a liquid aluminum alloy; filling a mold; increasing pressure; solidifying formed by at least two stages of different pressure settings; and relieving pressure.

Abstract: The disclosure provides a process for casting aluminum alloy parts. The process comprises the steps as follows: raising liquid; filling mold; increasing pressure; solidifying consisted of at least two stages of different pressure settings; and relieving pressure.

Abstract: The invention provides a transceiver including a ball lens, an optical filter disposed within the ball lens for transmitting a first optical signal at a first wavelength and for reflecting a second optical signal at a second wavelength, a light source for emitting the first optical signal to the ball lens, a receiver for receiving the second optical signal from the ball lens, and an input/output port optically coupled with the ball lens for at least one of receiving the first optical signal from the ball lens and transmitting the second optical signal to the ball lens. The ball lens comprises two half ball lenses and the optical filter is disposed at a mid-plane junction between the two half ball lenses.

Abstract: The invention provides an optical collimator assembly having an optical fiber for transmitting a beam of light, a lens for substantially collimating a beam of light received from the optical fiber, and a light transmissive element disposed to receive a beam of light from the lens for correcting an angular deviation in the beam of light received from the lens. If desired, two wedges are used to correct an angular deviation of a beam exiting a collimator, wherein the two wedges have a relative rotational angle with respect to each other. The invention further provides a method for making an array of collimators having output beams substantially parallel to an axis of the collimator, or lens or lens system.