Precise forging-continuous rolling production technology of large and heavy single molybdenum rod
A production process and large unit weight technology, which is applied in the field of precision forging-continuous rolling production technology of large unit weight molybdenum rods, can solve problems such as large unit weight molybdenum rods that have not been found, and achieve product quality improvement, service life guarantee, and road The effect of the secondary extension factor
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Embodiment 1
[0030] to combine figure 1 , the precision forging-continuous rolling production process of the large single weight molybdenum rod of the present embodiment comprises the following steps:
[0031] Step 1. The sintered molybdenum billet with a cross-sectional diameter of 85 mm is subjected to billet forging with a precision forging machine. The billet forging adopts an axially elongated forging method and is completed in three passes. Each pass is forged The deformation data of the forging are shown in Table 1. The initial forging temperature of the billet forging is 1450°C, and the final forging temperature of the billet forging is 1150°C to obtain a precision forged billet with a cross-sectional diameter of 48mm; the precision forging machine can be adopted by Austria GFM Precision forging machines produced by the company;
[0032] Table 1 The deformation data of blank forging in this embodiment
[0033] Forging pass
first pass
second pass
third pass
...
Embodiment 2
[0045] to combine figure 1 , the precision forging-continuous rolling production process of the large single weight molybdenum rod of the present embodiment comprises the following steps:
[0046] Step 1. The sintered molybdenum billet with a cross-sectional diameter of 88mm is subjected to billet forging by using a precision forging machine. The billet forging adopts the forging method of axial elongation, and is completed in three passes. Each pass is forged The deformation amount data of the blank forging is shown in Table 4. The initial forging temperature of the blank forging is 1480°C, and the final forging temperature of the blank forging is 1180°C to obtain a precision forged billet with a cross-sectional diameter of 48.5mm; the precision forging machine can be adopted from Austria Precision forging machine produced by GFM;
[0047] Table 4 Deformation data of billet forging in this embodiment
[0048] Forging pass
[0049] Step 2. Using an intermediate frequ...
Embodiment 3
[0059] combine figure 1 , the precision forging-continuous rolling production process of the large single weight molybdenum rod of the present embodiment comprises the following steps:
[0060] Step 1. The sintered molybdenum billet with a cross-sectional diameter of 90mm is subjected to billet forging by using a precision forging machine. The billet forging adopts the forging method of axial elongation, and is completed in three passes. Each pass of billet forging The data of the deformation amount is shown in Table 7. The initial forging temperature of the billet forging is 1500°C, and the final forging temperature of the billet forging is 1200°C to obtain a precision forged billet with a cross-sectional diameter of 49mm; the precision forging machine can adopt Austria GFM Precision forging machines produced by the company;
[0061] Table 7 Deformation data of billet forging in this embodiment
[0062] Forging pass
first pass
second pass
third pass
...
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