Implementation method of selective laser sintering (SLS) technology and fiber implantation device
A technology of laser sintering and implementation method, which is applied in processing and manufacturing, additive processing, solid material additive processing, etc., can solve the problems of low strength impact strength, low strength, and low strength of molded parts, and achieve fiber aspect ratio Improvement, high-strength use requirements, and the effect of increasing strength
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[0043] Example 1
[0044] see figure 1 , the fiber implantation device of the present invention is mainly composed of a base 1 arranged on the slide rail 2 and a fiber conveyor 4 connected to the base 1, wherein,
[0045] see figure 1 , the slide rail 2 is a motion mechanism with four degrees of freedom, the four degrees of freedom are linear motion along the X-axis, Y-axis and Z-axis and rotation around the Z-axis, each motion is composed of a separate one Driven by stepper motors, these stepper motors are controlled by the control system, so that the base 1 connected with the slide rail 2 realizes the movement in the X-axis, Y-axis and Z-axis directions and rotation around the Z-axis; the specific embodiment can be Refer to the slide rail mechanism of the worktable in the CNC machining center.
[0046] see Figures 1 to 7, the fiber conveyor 4 is mainly composed of a bracket, a traction roller group, an auxiliary roller group and a cutting mechanism 7, wherein the bracke...
Example Embodiment
[0049] see Figure 8 , Figure 9 and Figure 10 , the implementation method of the selective laser sintering process of the present invention comprises the following steps:
[0050] (1) The working cylinder 11 descends a certain distance, the powder supply cylinder 12 rises a certain distance, and the powder spreading device 13 spreads a single layer or multiple layers of sintered powder material 14 on the sintering working plane 9 to form the bottom sintered powder material layer 14-1 ;
[0051] (2) Using a fiber implantation device to lay a fiber layer on the bottom sintered powder material layer 14-1, the laying process is:
[0052] (2.1) Under the control of the control system, the slide rail 2 in the fiber implantation device moves the fiber conveyor 4 to the target position; the fiber conveyor 4 simultaneously outputs a plurality of continuous long fiber filaments 8 in parallel, and the fiber conveyor 4 outputs the fiber filaments in parallel. 8 at the same time, the...
Example Embodiment
[0060] Example 2
[0061] see Figure 9 In this embodiment, two sets of fiber implantation devices are used, and the fiber conveyors 4 in the two sets of fiber implantation devices are arranged obliquely opposite to each other, and the fiber filaments 8 output by the two sets cross each other. In the two fiber implantation devices, an angle adjustment motor 17 is provided at the connection joint between the bracket in the fiber conveyor 4 and the base 1, and the angle adjustment motor 17 is a stepper motor controlled by the control system, so as to realize the Automatic adjustment of the tilt angle of the stand. The other embodiments of the fiber implantation device of this example are the same as those of Example 1.
[0062] see Figure 9 and Figure 10 , the implementation method of the selective laser sintering process in this embodiment is realized by using the above-mentioned two sets of fiber implantation devices, and the difference from the implementation method in ...
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