Thick, large and high silicon molybdenum casting of nodular cast iron and preparation technology of casting
A nodular cast iron, preparation process technology, applied in mechanical equipment, engine components, machines/engines, etc., can solve high temperature resistance, high temperature creep resistance, poor oxidation resistance, inability to withstand engine high temperature, low strength and rigidity And other problems, to achieve the effect of uniform hardness, stable structure, strength and oxidation resistance
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Embodiment 1
[0026] see Figure 1-4 , the present invention provides a technical solution: a thick high-silicon-molybdenum ductile iron, including an outer casting 1, a channel 2 is opened inside the outer casting 1, an inner casting 3 is arranged inside the channel 2, and the inner casting 3 is passed through a reinforcing rib 4 is fixedly connected with the outer casting 1.
[0027] Further, the outer casting 1 is in an I-shape, and several installation holes 5 are symmetrically opened on the upper surface and the lower surface of the outer casting 1 .
[0028] Further, the number of reinforcing ribs 4 is three, and the three reinforcing ribs 4 are distributed in an annular array on the outer surface of the inner casting 3 , and the ends of the three reinforcing ribs 4 away from the inner casting 3 are all fixedly connected to the outer casting 1 .
[0029] Further, the outer casting 1, the inner casting 3 and the rib 4 are integrally formed by pouring.
[0030] Further, the casting of...
Embodiment 2
[0038] see Figure 1-4 , the present invention provides a technical solution: a thick high-silicon-molybdenum ductile iron, including an outer casting 1, a channel 2 is opened inside the outer casting 1, an inner casting 3 is arranged inside the channel 2, and the inner casting 3 is passed through a reinforcing rib 4 is fixedly connected with the outer casting 1.
[0039] Further, the outer casting 1 is in an I-shape, and several installation holes 5 are symmetrically opened on the upper surface and the lower surface of the outer casting 1 .
[0040] Further, the number of reinforcing ribs 4 is three, and the three reinforcing ribs 4 are distributed in an annular array on the outer surface of the inner casting 3 , and the ends of the three reinforcing ribs 4 away from the inner casting 3 are all fixedly connected to the outer casting 1 .
[0041] Further, the outer casting 1, the inner casting 3 and the rib 4 are integrally formed by pouring.
[0042] Further, the casting of...
Embodiment 3
[0050] see Figure 1-4 , the present invention provides a technical solution: a thick high-silicon-molybdenum ductile iron, including an outer casting 1, a channel 2 is opened inside the outer casting 1, an inner casting 3 is arranged inside the channel 2, and the inner casting 3 is passed through a reinforcing rib 4 is fixedly connected with the outer casting 1.
[0051] Further, the outer casting 1 is in an I-shape, and several installation holes 5 are symmetrically opened on the upper surface and the lower surface of the outer casting 1 .
[0052] Further, the number of reinforcing ribs 4 is three, and the three reinforcing ribs 4 are distributed in an annular array on the outer surface of the inner casting 3 , and the ends of the three reinforcing ribs 4 away from the inner casting 3 are all fixedly connected to the outer casting 1 .
[0053] Further, the outer casting 1, the inner casting 3 and the rib 4 are integrally formed by pouring.
[0054] Further, the casting of t...
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