A kind of grinding method of rubber elastic material
An elastic material and grinding method technology, which is applied in the grinding of rubber elastic materials and the grinding of rubber materials, can solve the problems of low processing efficiency, difficult to achieve mass production, uneven force on the end face of the rubber ring, etc., and achieve the effect of improving the grinding effect.
Active Publication Date: 2021-04-23
QINGAN GRP
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Problems solved by technology
Use the abrasive fixed on the polishing paper to cut, and the pasted polishing paper is prone to slip under the action of the grinding thrust, resulting in uneven force on the end face of the rubber ring, and accumulation of abrasive around the periphery, causing the rubber edge to collapse and poor flatness. , low processing efficiency, high rework rate, difficult to achieve effective sealing, and difficult to achieve mass production
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Embodiment
[0020]For example, a rubber grinding method is provided, including the following steps:
[0021]Step 1) Prepare the polishing surface
[0022]The aluminum alloy plane will be integrated, so that the plane is below 0.002 mm;
[0023]Step 2) Preparation of the sandblasting process
[0024]Sandblasting is performed on the finished aluminum alloy plane, so that the roughness of the aluminum alloy plane does not exceed RA8 μm, and then the grunger is removed after the blast treatment;
[0025]Step 3) Grinding the rubber on the grinding surface, using abrasive and polishing, the particle diameter of the abrasive is less than 0.015 mm or less, and the hardness of the abrasive particle is 9 or more.
[0026]Step 1) In the preparation of the polishing surface, the aluminum alloy plane can be processed by the mirror grinding process, the plane is 0.008 mm to 0.005 mm, and the three-sided mutual method is used to finely ground the aluminum alloy plane to ensure the flat flatness of 0.002 The mm is less than 0.0...
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Abstract
The invention belongs to the field of elastic material grinding, in particular a grinding method of rubber elastic material, especially a grinding method of rubber material, comprising the following steps: step 1) preparing the grinding surface, finishing the aluminum alloy plane so that the flatness Below 0.002mm; step 2) prepare the grinding surface by sandblasting process, carry out sandblasting treatment to the finished aluminum alloy plane, so that the roughness of the aluminum alloy plane does not exceed Ra8 μm, and obtain the grinding surface after deburring after sandblasting treatment; Step 3) Grinding the rubber on the grinding surface, using abrasives and grinding liquid in the grinding, the particle size of the abrasives is below 0.015mm, and the hardness of the abrasive particles is above 9 on the Mohs scale. The invention can grind and obtain elastic material grinding planes with smooth surface, no bubble inclusions, and uneven defects. It is suitable for radial static sealing, and the end face seal often adopts the same standard.
Description
Technical field[0001]The present invention belongs to the field of elastomeric material abrasive, in particular a grinding method of a rubber elastic material, in particular a grinding method of a rubber material.Background technique[0002]The aerospace domain requires a seal having high precision dimensional tolerances, shades tolerances, and excellent sealing planes to meet higher mechanical properties. About the rubber circle end surface grinding, there is no technical information that can be used in China, and the accuracy level of the civilian rubber ring is also limited to the precision that can achieve through the mold or cut. Therefore, it is necessary to realize the technical requirements for the end face precision and the seal seal of the aerospace sector, it is necessary to perform secondary precision polishing and processing of the rubber ring end face to improve the accuracy level of the end face of the rubber ring. The prior art is limited to hand-machining, although th...
Claims
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IPC IPC(8): B24B1/00B24C1/08
CPCB24B1/00B24C1/08
Inventor 王卓岗
Owner QINGAN GRP