Porous resin mold additive manufacturing method for ceramic slip casting
A porous resin and additive manufacturing technology, which is applied in the fields of ceramic forming and additive manufacturing, can solve problems such as expensive, difficult high-pressure grouting, and affect transformation and upgrading, and achieve the requirements of improving quality, optimizing performance, and ensuring customization. Effect
Active Publication Date: 2014-07-02
XI AN JIAOTONG UNIV
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Problems solved by technology
Most of the domestic related products are imported from abroad, and their high prices make it difficult for high-pressure grouting to be widely promoted in my country, thus affecting the transformation and upgrading of the entire ceramic industry
Method used
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Embodiment 1
[0045] The porous resin mold of the flush toilet is prepared by the laser selective sintering rapid prototyping technology of the mixed system formula of resin and pore-forming agent, including the following steps:
[0046] 1) According to the size, structure and performance requirements of the flush toilet, design its resin mold (including the runner system for drainage in the grouting process), and then use Pro / E software to build a 3D CAD model (refer to figure 1 ) and stored in STL format;
[0047] 2) According to the requirements of the ceramic grouting process specified by this product, the fluidity speed of the ceramic slurry is (170±50s) / 100mL, the water content is 30%-35%, and the density is 1.65-l.9g / cm. Accordingly, the performance index of the porous resin mold is determined as follows: the micropore size is 2.0-3.5 μm, and the porosity is 25-30%;
[0048] 3) According to the determined performance index of the porous resin mold, nylon material is used as the resi...
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The invention discloses a porous resin mold additive manufacturing method for ceramic slip casting. The porous resin mold additive manufacturing method for ceramic slip casting comprises the following steps: leading a constructed three-dimensional CAD model into a control system of selective laser sintering equipment, and carrying out additive manufacturing on a resin mold according to the model; and removing a pore-forming agent from the prepared resin mold containing the pore-forming agent so as to obtain a porous-structure resin mold with a runner system for ceramic slip casting. A mixed system formula of a resin material and the pore-forming agent acts as a raw material; a selective laser sintering technology is adopted for manufacturing the porous resin mold for ceramic slip casting with the controllable runner system so as to achieve rapid development and manufacturing of the ceramic slip casting mold; the development cost of the ceramic slip casting mold is reduced; the quality of the ceramic slip casting mold is improved.
Description
technical field [0001] The invention belongs to the technical fields of additive manufacturing and ceramic forming, and relates to a porous resin mold additive manufacturing method for ceramic grouting forming. Background technique [0002] At present, in my country's sanitary ceramics industry, gypsum molds are indispensable auxiliary process components in ceramic forming processes such as grouting, rolling, and spinning, accounting for more than 90% of China's ceramic mold market. However, plaster molds have a short service life and a low rate of repeated use (about 90 times); the manufacturing process is relatively complicated and needs to be remade many times; the production efficiency is low, which limits the production efficiency and manufacturing level of my country's sanitary ceramics industry. Therefore, the use of high-pressure resin molds to replace traditional plaster molds has become the development trend of ceramic grouting technology. High-pressure resin molds...
Claims
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Inventor 田小永周畅李涤尘曹毅
Owner XI AN JIAOTONG UNIV