Manufacturing method of ceramic tube
A manufacturing method and a technology for a ceramic tube shell are applied in the field of the manufacture of ceramic tube shells and ceramic discharge tube shells, which can solve the problems of environmental pollution, low production efficiency and high cost, and achieve the effects of reducing pollution and having a single component.
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[0047] Such as Figure 1-6 Shown are the preferred embodiments of the present invention. This embodiment introduces a method for manufacturing a ceramic tube shell 41, particularly a method for manufacturing a ceramic discharge tube shell used as a lamp tube. Including the following six steps a-f:
[0048] a. Manufacture the outer mold 1 and the wax-based inner mold 2. The outer mold 1 is formed with a receiving cavity 122 whose shape matches the outer contour shape of the ceramic tube shell 41, and the wax-based The contour of the inner mold 2 matches the shape of the electrode cavity 412 inside the ceramic shell 41.
[0049] In this embodiment, the outer mold 1 is composed of a lower module 11 and an upper module 12. A first groove 111 is formed on the lower module 11, and a second groove 121 is formed on the upper module. The first groove 111 and the second groove 121 constitute the receiving cavity 122.
[0050] In this embodiment, the wax-based inner mold 2 includes a rod bo...
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