8results about How to "Suppression offset" patented technology

This invention discloses a large-tapered anti-backlash tailstock adapted to a four-axis rotary table, specifically relating to the field of tailstock technology. It includes a base with a positioning and locking assembly. The positioning and locking assembly includes a central inner liner plate located in the middle of the base, with a mounting cavity in the center of the inner liner plate. An axially adjustable crossbar is inserted into the mounting cavity. This invention employs a dual-redundant structure of hydraulic and mechanical locking to fundamentally prevent the tailstock from backing up under force. The locking force is uniform and sufficiently rigid, achieving zero axial displacement positioning of the tailstock rod, thus laying a solid foundation for machining accuracy. Simultaneously, the dual locking, combined with a two-stage adjustment mechanism of coarse and fine axial adjustment, allows for deep synergy between adjustment and locking functions. Once adjusted to the correct position, the tailstock is quickly locked, improving positioning accuracy and making the anti-backlash effect more stable.

The utility model relates to a kind of buckle wire fork assemblies of double-needle computerized embroidery machine.It involves embroidery machine technical field.The application specifically includes the buckle wire mounting plate fixedly connected with shuttle box body, the buckle wire driving mechanism fixedly connected with buckle wire mounting plate, the buckle wire guide mechanism fixedly connected with buckle wire mounting plate, and buckle wire mechanism;The upper fulcrum of buckle wire mechanism bottom is connected with buckle wire driving mechanism, the lower fulcrum of buckle wire mechanism bottom is connected with buckle wire guide mechanism, buckle wire driving mechanism is used to drive buckle wire mechanism swing around lower fulcrum, and buckle wire guide mechanism limits the swing of buckle wire mechanism around lower fulcrum.Two buckle wire forks symmetrically provided on the buckle wire mechanism of the utility model, when buckle wire driving mechanism drives buckle wire mechanism swing around lower fulcrum, buckle wire mechanism can simultaneously carry out the buckle wire and loose line of double-needle surface thread through two buckle wire forks symmetrically arranged, to reduce the occupation of space by buckle wire fork assembly, and then make the structure of double-needle computerized embroidery machine more compact.

This invention provides a multi-energy field assisted ultrasonic cutting device and method for CFRP preforms, relating to the fields of intelligent manufacturing and precision machining technology. The invention uses a laser generator to precisely and locally heat the cutting area, softening the resin matrix in the processing area and significantly reducing the material's strength and cutting resistance. Simultaneously, eddy current tubes cool the non-cutting areas of the workpiece, enhancing the stiffness of the resin matrix in these areas and the constraint force on the carbon fibers, effectively suppressing excessive deformation and displacement of the carbon fibers during processing. Ultrasonic vibration further induces brittle fracture of the carbon fibers through high-frequency impact, reducing the tensile effect caused by resin viscosity. Ultimately, this achieves the beneficial effects of high-quality, high-efficiency, and low-damage processing of CFRP preforms.

The application discloses a high-rigidity linear sliding rail with automatic centering and four-direction load capacity, and particularly relates to the technical field of linear sliding rails, and comprises a guide rail, a sliding block is slidably arranged on the top of the guide rail, and a transmission unit is arranged on the inner side top end of the sliding block and comprises two groups of upper load bearings arranged in a symmetrical mode. The four-column circular-arc ball groove and the 45-degree contact angle of the steel ball can balance the four-direction load of the radial direction, the reverse radial direction and the horizontal and vertical directions, and realize automatic centering. Four groups of pre-pressing clamping positioning blocks are arranged between the sliding block and the bottom end of the guide rail, so that the installation precision and the operation stability of the sliding block on the guide rail can be obviously improved, the deviation and vibration in the sliding process can be further inhibited, the accurate positioning and the guiding constraint for the linear motion can be continuously provided, the high-precision smooth sliding of the sliding block along the guide rail axis direction is realized, and the positioning precision and the motion smoothness in the linear transmission process are double-protected.

This utility model relates to the field of physical and chemical testing technology, specifically to a bending test device for dissimilar steels, comprising: a pressure head, the bottom of which forms a pressure end for contacting the upper end of the test plate, the pressure end being used to apply a bending force to the center of the test plate along its length; the device further comprises: a stop member; and a fixing assembly for detachably installing the stop member at the lower end of the pressure end. This utility model, by installing a stop member at the bottom of the existing pressure head, can pre-position the test plate using the stop member and the pressure head. When the test plate is deformed under pressure, the stop member generates a horizontal force on the test plate to prevent the test plate from shifting along its length, maintaining the center of the test plate's length on the same extension line as the pressure end of the pressure head, ensuring that the test plate is bent into a U-shape, meeting the test standards.

This utility model provides a photoelectric support for a conveyor line, comprising: a base, an electric telescopic rod rotatably connected to the upper end of the base, and a fixed frame fixedly installed at the upper output end of the electric telescopic rod. This photoelectric support for a conveyor line, through the arrangement of a receiving cavity, a protective shell, a sliding groove, an electric telescopic rod, a connecting block, a telescopic plate, a steering ball, and a motor, provides installation and protection space for the drive components through the receiving cavity and the protective shell. The sliding groove, in conjunction with the slider, ensures smooth rotation. The electric telescopic rod, combined with the connecting block and the telescopic plate, enables precise height adjustment and enhances structural rigidity. The steering ball and the motor enable precise electric control of the detection angle. The various structures work together to improve the flexibility and accuracy of adjustment, meeting the detection needs under different working conditions. Furthermore, multiple stabilization mechanisms reduce swaying and offset, ensuring the continuous and stable operation of the photoelectric sensor, significantly enhancing the practicality, reliability, and adaptability of the support.

The present invention provides a plasma processing method and a plasma processing apparatus capable of applying a DC voltage to an edge ring while suppressing a shift in the characteristics of plasma applied to the entire substrate. The plasma processing method includes: a step (a) of generating plasma inside a chamber; a step (b) of applying a DC voltage to an edge ring surrounding the periphery of a substrate while the plasma is being generated; a step (c) of acquiring a first voltage of the edge ring while the DC voltage is being applied; a step (d) of stopping the application of the DC voltage; a step (e) of acquiring a second voltage of the edge ring while the application of the DC voltage is being stopped; and a step (f) of calculating a parameter for controlling the DC voltage based on the first voltage and the second voltage.

The optimal analysis method for the joint position of the vehicle body of the present invention determines the optimal joint position of the component group in the vehicle body model (37). In the optimal analysis method for the joint position of the vehicle body, a joint candidate (P1) is set at a position that is a candidate for joining the component group. For each component group, at least four fixed joint points or fixed joint parts (P5) are selected based on the distance between the joint candidates. The optimal analysis is performed by setting the selected fixed joint points or fixed joint parts and the optimal joint candidates that are the objects of the optimal analysis in the vehicle body model (37). The optimal analysis determines the optimal joint or joint part (P7) for joining the component group.