Blade forming device and forming method for preparing ti/al powder
A blade forming and powder body technology, applied in forging/pressing/hammer devices, forging/pressing/hammering machinery, mechanical equipment, etc., can solve the problems of poor plasticity of TiAl-based alloys, difficulty in forming blade parts, and high deformation temperature. Achieve the effect of low load bearing, easy automation and uniform density distribution
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specific Embodiment approach 1
[0017] Specific implementation mode one: combine Figure 1-Figure 4 Describe this embodiment. The device of this embodiment includes a reinforcement sleeve 1, a lower die punch 3, a lower die backing plate 4, an upper die punch 5, a flap-type upper die 6, a flap-type lower die 7, and a cylindrical mandrel 8 , the flap-type upper mold 6 is composed of the first flap upper mold 6-1, the second flap upper mold 6-2, the third flap upper mold 6-3 and the fourth flap upper mold 6-4, and the flap-type lower mold 7 It is composed of the first petal lower mold 7-1, the second petal lower mold 7-2, the third petal lower mold 7-3 and the fourth petal lower mold 7-4, and the petal joint lower mold 7 and the petal joint upper mold 6 It is installed inside the reinforcement sleeve 1 from bottom to top. Both the flap-type upper die 6 and the flap-type lower die 7 are slidingly matched with the reinforcement sleeve 1 and constrained by the reinforcement sleeve 1. The punch 3 of the lower die ...
specific Embodiment approach 2
[0018] Specific implementation mode two: combination figure 2 Describe this embodiment, the working surface of the first lobe upper mold 6-1, the second lobe upper mold 6-2, the third lobe upper mold 6-3 and the fourth lobe upper mold 6-4 of this embodiment and the blades to be processed Corresponding to the curved surface of the blade body position, the parting surfaces of the first lobe upper mold 6-1, the second lobe upper mold 6-2, the third lobe upper mold 6-3 and the fourth lobe upper mold 6-4 are the same as the parting surfaces to be The boundary shape of the airfoil surface of the processed blade is corresponding, and the four-lobe design of the flap-type upper mold can ensure the smooth demoulding of the part, which solves the problem of the torsion-shaped airfoil of the Ti / Al powder blade preform and the working surface of the mold. Irregular contact leads to the problem of difficult demoulding. Other implementation manners are the same as the specific implementat...
specific Embodiment approach 3
[0019] Specific implementation mode three: combination Figure 5 To illustrate this embodiment, the method of this embodiment includes the following steps:
[0020] Step 1), lubrication treatment and mixed powder: Lubricate the contact surface between the Ti / Al powder blade forming device and the working surface of the mold, respectively weigh the Ti / Al powder required for two fillings, wherein the Ti / Al powder The ratio of Ti powder and Al powder weight parts in middle is 5: 3;
[0021] Step 2), using the forming device described in claim 1 to prepare the Ti / Al powder blade preform:
[0022] Step 2.1), the Ti / Al powder is respectively placed in the mold cavity surrounded by the lower die punch 3, the flap-type lower die 7, the reinforcement sleeve 1 and the die cavity surrounded by the flap-type upper die 6;
[0023] Divide the Ti / Al powder into two parts, the first part is placed in the mold cavity surrounded by the lower die punch 3, the flap-type lower die 7 and the rein...
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