Surface strengthening device and method for applying thermal field to metal workpiece and assisting ultrasonic rolling
A metal workpiece, ultrasonic rolling technology, applied in the improvement of process efficiency, manufacturing tools, heat treatment equipment, etc., can solve the problems of inability to maximize the fatigue performance of metal materials, low surface residual compressive stress and low peak residual compressive stress levels, etc.
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Embodiment 1
[0071] In this embodiment, the corresponding Figure 1a-1b application example, where Figure 1a is a schematic diagram of a surface strengthening device 1000, Figure 1b It is a flow chart of the surface strengthening device 1000 performing surface strengthening on a metal workpiece.
[0072] Such as Figure 1a As shown, a metal material physical field-assisted ultrasonic rolling surface strengthening device 1000 is shown, including a dual-spindle synchronous rotation system 1, an ultrasonic rolling system 2, a metal workpiece 3, a traverse drive system 4, and a physical field loading system 5 .
[0073] Wherein the dual-spindle synchronous rotation system 1 includes a first spindle box 1-1, a second spindle box 1-2, a first spindle 1-3, a second spindle 1-4, a spindle servo motor 1-5, and a spindle synchronous driving belt 1 -6. Telescopic synchronous shaft 1-7, first main shaft synchronous driven belt 1-8, second main shaft synchronous driven belt 1-9, bed 1-10, synchrono...
Embodiment 2
[0089] Such as Figure 2aAs shown, another metal material physical field assisted ultrasonic rolling surface strengthening device 2000 is shown, wherein the physical field loading system 5 used is the first physical field loading system 501, and the first physical field loading system 501 is elastic Stress field system 501a. The elastic stress field system 501a includes ring-shaped clamps respectively fixed on two clamping devices, that is, the first clamp 501a-1 and the second clamp 501a-2 in Figure 2a. One end of the metal workpiece 3 can be inserted and fixed to one end of the first clamp 501a-1, and the other end of the first clamp 501a-1 is provided with a cylindrical boss; the other end of the metal workpiece 3 can be inserted and fixed to the second clamp 501a -2, and the other end of the second fixture 501a-2 is provided with a cylindrical boss. The material of metal workpiece 3 is in-situ TiB 2 / 2024Al composite material, No. A-2.
[0090] Such as Figure 2b As s...
Embodiment 3
[0099] Such as Figure 3a As shown, another physical field-assisted ultrasonic rolling surface strengthening device 3000 for metal materials is shown, in which the physical field loading system 5 used is the second physical field loading system 502, and the second physical field loading system 502 is pulsed Current field system 502a, the workpiece material is in-situ TiB 2 / 2024Al composite material, No. A-3.
[0100] Such as Figure 3b As shown, the surface strengthening method corresponding to the shown device 3000 is shown, which is clamping the workpiece, applying the physical field, applying rotation and feeding, ultrasonic rolling, stopping the rotation and feeding, unloading the physical field, and removing the workpiece in sequence. steps. Wherein, all are identical with the surface strengthening method among the embodiment one except following steps:
[0101] The step of applying the physical field is to apply a pulse current field, and the step of unloading the p...
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