Method for casting cabin casts of aerogenerators
A technology for wind power generators and castings, applied in the direction of casting molding equipment, casting molds, casting mold components, etc., can solve the problems of easy deformation, large residual stress, low casting yield, etc. non-deformable effect
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[0017] The following further describes the present invention with reference to the drawings and specific implementation examples:
[0018] A casting method of a wind turbine nacelle casting, which includes the following steps:
[0019] 1) Mold manufacturing, mold design and parting surface determination. The mold adopts three-box shape, the model uses Northeast Korean pine as the material, and the bottom frame of the model is welded with a thick square tube of 200mm×200mm×10mm, and The length direction is made of a whole square tube, mainly to prevent the mold from deforming and improve the overall performance of the mold. Lay 2 layers of wooden boards and 1 layer of plywood with a thickness of not less than 20mm on the template;
[0020] 2) Sand mold manufacturing. Set the inner gate II2 in the main bearing round hole on the bottom surface of the casting cavity. The number of inner gate II2 is 4. The inner gate II 2 is a drape gate with a thickness of 10mm. This is beneficial to w...
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