6results about How to "Rigid and stable" patented technology

The invention provides an image-guided double-radio-frequency acousto-optic deflection laser cell cutting system and method, and the system comprises a microscopic imaging module which is used for collecting a cell image; the imaging control module is used for controlling the microscopic imaging module to collect cell images and extracting contours of the collected cell images to obtain cell contour coordinates; the laser cutting module is used for emitting pulse laser, performing X-direction and Y-direction double-radio-frequency acousto-optic deflection on the pulse laser, and cutting the cell contour by using the obtained deflection laser; and the cutting control module is used for acquiring a mapping relation between the coordinate system of the microscopic imaging module and the radio frequency of the double-radio-frequency acousto-optic deflection to obtain a coordinate-frequency mapping model, and controlling the laser cutting module to perform the double-radio-frequency acousto-optic deflection on the pulse laser according to the cell contour coordinates and the coordinate-frequency mapping model. According to the invention, the cutting welting accuracy and repeatability can be improved.

This application discloses a grinding wheel dresser spindle, including a rotating shaft unit at the left end and an unloading unit at the right end. An annular positioning groove is provided in the middle of the housing, and a spring sleeve is installed there. The rotating shaft is fitted inside the cavity of the housing, and bearing assembly I and bearing assembly II are installed on the outer surfaces of both ends of the rotating shaft. A spacer is provided between bearing assembly I and bearing assembly II. An externally threaded nut I is installed on the right section of the rotating shaft. An end cover is installed at the left end of the housing; a recessed structure is provided at the left end of the end cover to install a skeleton oil seal. A dust cover is fitted on the outside of the end cover. This grinding wheel dresser spindle, by using an annular positioning groove inside the housing to fit and install a fixed spring sleeve, adjusts the bearing preload and maintains the stability of the spindle's rigidity. The unloading unit reduces the bending effect of radial force on the rotating shaft, improving the rotational accuracy of the shaft. The multi-layered sealing dustproof structure effectively prevents dust and wastewater from entering the spindle, extending its service life.

The application belongs to the technical field of high polymer materials, and particularly relates to a heat-resistant blister packaging box and a preparation method thereof. According to weight parts, the heat-resistant blister packaging box comprises the following raw materials: 100 parts of polylactic acid, 4-8 parts of heat-resistant stabilizer, 1-3 parts of nucleating agent, 0.5-1 parts of chain-extending compatibilizer, 0.1-0.5 parts of antioxidant, and 0.1-0.3 parts of release agent. The application designs a multifunctional heat-resistant stabilizer with an aromatic imide-sulfone-siloxane structure, and constructs a synergistic crystallization system with a phenyl zinc phosphonate nucleating agent, and cooperates with a segmented temperature control rapid heat setting process. The heat distortion temperature of the obtained blister packaging box can reach 93.1 DEG C, the light transmittance is kept above 89.5%, the haze is below 3.5%, the forming cycle is shortened to 6-10 seconds, and there is no small molecule migration risk, so that the industrial production needs of the heat-resistant transparent packaging for food contact are met.

The application discloses a desktop-level particle 3D printer, which comprises a base, an electrical machine box and a double-layer gantry, the double-layer gantry is fixed on the base, the electrical machine box wraps the double-layer gantry and is fixed on the base, a slidable Y-axis assembly is arranged on the base below the double-layer gantry, a liftable Z-axis assembly is arranged between the double-layer gantry, a slidable X-axis assembly is arranged on the Z-axis assembly, a detachable extrusion device is arranged on the X-axis assembly, a printing platform is arranged on the Y-axis assembly, the extrusion device melts plastic particles, extrudes from a nozzle and prints on the printing platform, various conventional plastic particles and composite modified material particles can be used for 3D printing, the traditional mode of using plastic wires as raw materials for printing of small 3D printers is changed, and the printing capacity and printing speed are greatly improved.

This invention relates to the field of welding fixture technology, and discloses a welding fixture for assembling automotive parts. The fixture includes a base with two symmetrically arranged movable plates on its top. A ring is mounted on each movable plate, and a clamping component is mounted on the ring. The clamping component includes a clamping assembly mounted on the ring, which is further equipped with a deformation component, an adjustment component, and a linkage pushing component. This welding fixture for assembling automotive parts achieves adaptive flexible clamping of automotive parts of different shapes, such as square and round, through a rotatable and adjustable first clamping plate combined with a hollow rubber plate structure. This overcomes the shortcomings of traditional fixtures, which can only adapt to a single shape of workpiece and require frequent replacement. The deformation component drives the first clamping plate to rotate, forming a V-shaped clamping structure. Combined with the linkage pushing component and the adjustment component, it automatically adapts to the workpiece shape, transforming line contact into surface contact, significantly increasing the force-bearing area and reducing local pressure.