Casting process of two-stage planet carrier of climbing machine for ocean platform
An offshore platform and casting process technology, applied in the field of metal casting, can solve the problems of high dimensional accuracy, high surface quality requirements, high smelting process and operation difficulty, and difficulty in guaranteeing the internal quality of castings. The effect of meeting performance requirements
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Example Embodiment
[0030] Example one:
[0031] The secondary planet carrier casting of the marine platform climber adopts ZG35Gr1Mo material, and the main elements and contents of the material are as follows:
[0032]
[0033] The secondary planet carrier casting of the offshore platform climber adopts an integral casting molding process and is obtained by heat treatment, including the following processing steps:
[0034] (A) Molten steel smelting: Put the ZG35Gr1Mo material into an electric arc furnace to smelt molten steel;
[0035] (B) Casting process: The upper box of the sand mold and the lower box of the sand mold form a casting line cavity. A pair of core boxes are placed in the middle of the cavity, and the pre-casting preparation is carried out according to the above method. One box is casted with 2 pieces, molten steel is poured 950kg, and the pouring temperature is 1560℃, the pouring time is 20s, the box will be loosened after pouring for 1 hour, and the mold will be demoulded after keeping ...
Example Embodiment
[0038] Embodiment two:
[0039] The secondary planet carrier casting of the marine platform climber adopts ZG35Gr1Mo material, and the main elements and contents of the material are as follows:
[0040]
[0041] The secondary planet carrier casting of the offshore platform climber adopts an integral casting molding process and is obtained by heat treatment, including the following processing steps:
[0042] (A) Molten steel smelting: Put the ZG35Gr1Mo material into an electric arc furnace to smelt molten steel;
[0043] (B) Casting process: The upper box of the sand mold and the lower box of the sand mold form a casting line cavity. A pair of core boxes are placed in the middle of the cavity, and the pre-casting preparation is carried out according to the above method. One box is casted with 2 pieces, molten steel is poured 950kg, and the pouring temperature is 1540℃, the pouring time is 25s, the box will be loosened after pouring for 1 hour, and the mold will be demoulded after keepi...
Example Embodiment
[0046] Embodiment three:
[0047] The secondary planet carrier casting of the marine platform climber adopts ZG35Gr1Mo material, and the main elements and contents of the material are as follows:
[0048]
[0049] The secondary planet carrier casting of the offshore platform climber adopts an integral casting molding process and is obtained by heat treatment, including the following processing steps:
[0050] (A) Molten steel smelting: Put the ZG35Gr1Mo material in an electric arc furnace to smelt molten steel;
[0051] (B) Casting process: The upper box of the sand mold and the lower box of the sand mold form a casting line cavity. A pair of core boxes are placed in the middle of the cavity, and the pre-casting preparation is carried out according to the above method. One box is casted with 2 pieces, molten steel is poured 950kg, and the pouring temperature is 1550℃, the pouring time is 24s, the box will be loosened after pouring for 1 hour, and the mold will be demoulded after keepi...
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