Processing method of air inlet end cone
A processing method and air inlet technology, which is applied in metal processing equipment, manufacturing tools, coatings, etc., can solve the problems of complicated process, difficult quality control, unfavorable batch production and other problems of the air inlet cone, so as to reduce production cost and easy to remove Shell, the effect of simplifying the production process
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[0010] The present invention will be further described below in conjunction with specific embodiments.
[0011] A method for processing an intake end cone, which is characterized in that it comprises the following steps:
[0012] (1) Prepare wax molds, prepare corresponding wax molds, pouring systems, and risers according to the shape of the casting to be obtained, and bond them into wax modules. The temperature of the wax storage tank is 76-77°C and the temperature of the cooling tank is 56- 57℃, the injection pressure is 2.5-3.0kg / cm 2 , The shooting time is 25-30 seconds;
[0013] (2) Making a mold shell, which includes a surface layer, a second layer, a third layer, a fourth layer, a fifth layer, and a sealing slurry. The second and third layers are transition layers. The specific process parameters are as follows:
[0014] Coating: Surface coating components and proportions are silica sol: wetting agent: defoamer: zircon powder = 1kg: 1.6ml: 1.2ml: 4kg, viscosity is 32-36Pa.s; tw...
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