Method of roasting profiled shell for fine casting of titanium-based alloy investment pattern based on rapid prototyping

Abstract

The invention relates to a method of roasting a profiled shell for fine casting of a titanium-based alloy investment pattern based on rapid prototyping, which belongs to the method of roasting the profiled shell for casting of the investment pattern and solves the problem that the profiled shell can be easily burst in the existing profiled shell roasting process based on rapid prototyping, thereby causing fire running-out. The method comprises the following steps: 1, placing a profiled shell in a roasting furnace for treatment; and 2, placing the profiled shell upside down after processing the profiled shell according to Step 1, touching the peripheral edge of a pouring cup by hand, and extending a compressed air tube into the bottom end of the profiled shell to remove ash generated in roasting, thereby realizing the roasting of the profiled shell for fine casting of the titanium-based alloy investment pattern based on the rapid prototyping. The roasting method of the invention solves the problem of busting of the profiled shell, thereby avoiding the fire running-out during the casting process.

Description

A rapid prototyping based roasting method for shells for investment casting of titanium-based alloys technical field The invention relates to a roasting method of a mold shell for investment casting. Background technique Due to their excellent comprehensive properties, titanium and titanium alloys are widely used in military and civilian fields such as aviation, aerospace, ships, weapons, electronics, petroleum, chemical industry and medical treatment. At present, titanium alloys are mainly used in aerospace and military industries. According to statistics, the application of titanium in aerospace accounts for about 75% of the total output of titanium, including military aircraft, civil aircraft, aero-engines, spacecraft, fuel tanks, and artificial satellite housing connection seats. In recent years, the aviation industry has become more and more urgent for materials with high strength, high elastic modulus, low density and high temperature resistance, which has greatly p...

AI Technical Summary

Problems solved by technology

The purpose of the present invention is to solve the problem that the existing shell roasting process based on rapid prototyping is easy to expand and burst the shell and thus lead to the problem of "fire escape", and provides a titanium-based alloy investment casting mold based on rapid prototyping Shell roasting method