Manufacturing method for large internal T-shaped ring forge piece blank of SB564UNS N06690 alloy
A technology of SB564UNSN06690, ring-shaped forgings, applied in metal rolling, metal processing equipment, etc., can solve problems such as difficulty in direct ring-rolling, difficulty in filling the cavity with billet, and high resistance to material deformation, so as to achieve high production efficiency and reduce Deformation resistance, the effect of high forging quality
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[0024] The present invention is described in detail below in conjunction with accompanying drawing:
[0025] Such as Figure 1-5 As shown, the SB564UNS N06690 alloy (American ASME standard, belonging to the difficult-to-deform high-temperature resistant nickel-based alloy) large inner T-shaped ring forging blank 1, because the outer diameter is greater than 3000mm, the shape is irregular (there is a trapezoidal protrusion inside the ring), And the deformation temperature range of SB564UNS N06690 alloy material is narrow. The method of the present embodiment mainly includes the following steps:
[0026] A, according to the shape and structure of the inner T-shaped annular forging blank 1, make a processing step mold 2;
[0027] B. Heating the SB564UNS N06690 alloy ingot to 1150-1130°C, and then through upsetting, using a punch with a diameter of 300mm for punching and reaming to make the original billet 3;
[0028] C. Heat the original blank 3 into the furnace to 1150°C, and...
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