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A production process and gasket technology, which is applied in the field of toothed gasket production technology, can solve the problems of weak flexibility, poor wear resistance of gaskets, low wear resistance and low corrosion resistance
Inactive Publication Date: 2014-12-24
无锡市新颖密封材料厂
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Problems solved by technology
The wear resistance and corrosion resistance of the existing sealing gasket fiber are not high, the f
Method used
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Embodiment 1
[0018] The toothed gasket production process includes the following steps:
[0019] 1) Evenly mix rubber, graphite powder and accelerator in a weight ratio of 5:2:2 for use;
[0020] 2) Put the mixture into the mold, and then put it into the heating furnace together with the mold. The temperature in the furnace is controlled below 200°C, raised to 500°C, and kept for 3 hours; continue to heat up to 1200°C, kept for 2 hours, and cooled to 750°C in the furnace ℃, and conduct a stable heat treatment in an argon atmosphere;
[0021] 3) Take out the pressed tablet, put it into a vulcanizer, and roll sulfur for 30 minutes at a temperature of 300°C;
[0022] 4) Rinse with tap water after taking it out, and then use air-inducing equipment to dry it.
Embodiment 2
[0024] The toothed gasket production process includes the following steps:
[0025] 1) Evenly mix rubber, graphite powder and accelerator in a weight ratio of 5:2:2 for use;
[0026] 2) Put the mixture into the mold, and then put it into the heating furnace together with the mold. The temperature in the furnace is controlled below 200°C, the temperature is raised to 500°C, and kept for 4 hours; continue to heat up to 1300°C, kept for 4 hours, and cooled to 750°C in the furnace ℃, and conduct a stable heat treatment in an argon atmosphere;
[0027] 3) Take out the pressed tablet, put it into a vulcanizer, and roll sulfur for 40 minutes at a temperature of 350°C;
[0028] 4) Rinse with tap water after taking it out, and then use air-inducing equipment to dry it.
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Abstract
The invention discloses a production technology of a grooved metal gasket. The production technology comprises the following steps: 1) uniformly mixing rubber and powdered graphite with an accelerant according to a weight proportion of 5:2:2 for future use; 2) placing the mixture in a mold, placing the mold in a heating furnace, controlling the initial furnace temperature to be lower than 200 DEG C, raising the temperature to 500 DEG C, keeping the temperature for 3-4 hours, continuously raising the temperature to 1200-1300 DEG C, keeping the temperature for 2-4 hours, cooling the mold in the furnace to 750 DEG C, and carrying out stabilized thermal treatment in an argon environment; 3) taking out the sheet, placing the sheet in a vulcanizing machine, rolling and vulcanizing for 30-40 minutes under a condition that the temperature is 300-350 DEG C; 4) taking out the vulcanized sheet, using running water to rinse the sheet, and drying the sheet with induced draught equipment. The production technology disclosed by the invention is simple to operate and ingenious in the technology; the produced sealing gasket is not liable to abrade and durable in use.
Description
technical field [0001] The invention relates to the field of sealing materials, in particular to a toothed gasket production process. [0002] Background technique [0003] Sealing material refers to the material that can withstand joint displacement to achieve airtight and watertight purposes and embedded in building joints is called sealing material. Seal materials include metallic materials (aluminum, lead, indium, stainless steel, etc.), non-metallic materials (rubber, plastic, ceramics, graphite, etc.), composite materials (such as rubber-asbestos board, airgel felt-polyurethane), but The most used is rubber-like elastomer material. The wear resistance and corrosion resistance of the existing sealing gasket fiber are not high, the flexibility is not strong, the gasket produced is not wear-resistant, and the service life is not long. Contents of the invention [0004] The object of the present invention is to provide a toothed gasket production process to solve the ...
Claims
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Application Information
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