Method for casting large-scale K403 high-temperature alloy die for isothermal forging
A high-temperature alloy and isothermal forging technology, which is applied in the direction of manufacturing tools, casting molding equipment, casting molds, etc., can solve problems such as economic loss, unfavorable δ phase, and mold scrapping, so as to prevent cracks and even breakage, prolong service life, and improve mold quality. quality effect
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[0028] The specific implementation mode is described below in conjunction with the casting process of a certain super-large titanium alloy frame mold for isothermal forging.
[0029] In this embodiment, the casting parameters of the large-scale K403 superalloy mold casting method for isothermal forging of the present invention are as follows: the contour size of the casting: 2200mm×2000mm×200mm, the weight: 3464 kg, and the inner cavity is manufactured according to the casting drawing.
[0030] The detailed implementation steps of the casting method of the large-scale K403 high-temperature alloy die for isothermal forging of the present invention are given below:
[0031] Step.1 According to the requirements of the mold, design the casting drawing, determine the machining allowance and the comprehensive shrinkage rate of the casting; determine the pouring system and the position and size of the riser,
[0032] According to the requirements of the mold, design the casting drawing, the a...
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