Method for manufacturing ceramic metallic halogen lamp inner container and manufacturing mould thereof
A ceramic metal halide lamp and the technology of its manufacturing method are applied in the manufacture of ships or leading wires, which can solve problems such as easy air leakage, difficult detection, and unstable quality, and achieve a smooth inner wall, easy detection, and simple and easy operation. Effect
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Embodiment 1
[0037] Preparation method of the present invention comprises the following steps:
[0038] Making the outer mold: use elastic organic material rubber to make an outer mold whose inner surface matches the shape of the green body of the transparent alumina ceramic inner tank;
[0039] Manufacture of mold core: make a mold core that matches the shape of the inner surface of the biscuit of the transparent alumina ceramic liner; the mold core is composed of mold core 1 and mold core 2; mold core 1 is made of compressive material ceramic; mold core 2 Composed of composite materials, the composition of the composite material is as follows: 2% paraffin, which plays the role of bonding solid particles and improving the surface finish of the mold core, and 98% of inorganic non-metallic solid particles, which play the role of bearing compressive strength and low expansion role, the solid particles are high-purity alumina particles;
[0040] Make the green body wrapped with the mold core...
Embodiment 2
[0043] In the step of making the outer mold, the elastic organic material for making the outer mold is polyurethane;
[0044] In the step of making the mold core, the mold core one is made of pressure-resistant material ceramics; the mold core two is made of composite material, and the composition of the composite material is as follows: 12% polyethylene wax, which plays a role in bonding solid particles and improving The effect of the surface finish of the mold core, 88% of the inorganic non-metallic solid particles, play the role of bearing the compressive strength and low expansion, and the solid particles are high-purity alumina particles;
[0045] In the step of making the green body wrapped around the mold core, carry out isostatic pressing of 300 MPa after sealing;
[0046] In the step of making the green body, the degumming temperature is 60°; other steps are the same as in Example 1.
Embodiment 3
[0048] In the described step of making the outer mold, the elastic organic material for making the outer mold is latex;
[0049] In the step of making the mold core, the mold core one is made of compression-resistant material metal; the mold core two is made of composite material, and the composition of the composite material is as follows: 20% PVC, which plays the role of bonding solid particles and improving the mold core The role of surface smoothness, 80% of inorganic non-metallic solid particles, play the role of bearing compressive strength and low expansion, the solid particles are high-purity alumina particles;
[0050] In the step of making the green body wrapped around the mold core, carry out isostatic pressing of 80 MPa after sealing;
[0051] In the step of making the green body, the degumming temperature is 400°; other steps are the same as in Example 1.
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