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Design of Structural Technical Parameters And Product Characteristics Of Compound Manhole Cover

{dede:global.cfg_gsname/} | Updated: 2020-06-04 08:01:37
The structure design of the compound manhole cover should not only meet the requirements of the machine and equipment itself and the requirements of the machining process, but also meet the requirements of the casting process;
2. The shape of the composite well cover should be as simple as possible, so as to facilitate the lifting of the mold. The parting surface of the casting should be as flat as possible, and the number should be the smallest;
3. The inner cavity of the composite well cover should strive to cast without or with less core. When the core is used, it should be convenient to support, fix and exhaust sand. If necessary, it should be equipped with enough process holes;
4. For the inner and outer sides of the composite well cover and the reinforcing ribs, a certain structural inclination should be set in the direction of formwork lifting;
5. The convex part on the composite well cover and the composite well cover body should not be too different. It is better to take the same height, and several convex parts close to each other on the same side should be connected to the integral convex part.
Product features:
1. Strong anti-theft performance: the manhole cover of resin composite material is made of unsaturated resin, glass fiber and other materials and reinforcement framework by special production process. After one-time forming by high temperature grinding, the material has no recycling value. It is very difficult to take out the reinforcement (the cost of taking out the reinforcement exceeds the value of the reinforcement), so it has the function of active anti-theft.
2. Large bearing capacity: special pot bottom structure is adopted at the bottom to increase the bearing area by ten times or even dozens of times. The continuous reinforced fiber used ensures that the fiber and glass fiber cloth are integrated from the material, so that the product has sufficient bearing capacity.
3. Long service life: through the use of high-performance resin, glass fiber and special production process formula, it ensures the penetration of resin in glass fiber, greatly enhances the adhesive force of the two, so that the material does not produce internal damage under the cyclic load, thus ensuring the service life of the product, and the same superiority of other resin composite well covers. The disadvantages of poor adhesion are eliminated.
4. Beautiful, practical and high-grade: according to the needs of high-end customers, we can make a personalized design of complex logo and multiple colors on the same well cover surface, so that the pattern is delicate and the color is bright. And can be made according to customer needs and all kinds of stone pavement the same imitation stone surface and color.
5. High temperature / low temperature resistance, good insulation performance, strong corrosion resistance: product corrosion resistance, no metal additives. It can be used in complex, bad and demanding places. The products are tested by the relevant authoritative testing organizations, and have obvious acid and alkali resistance, corrosion resistance and anti-aging ability.
6. Environmental protection, anti-skid and low noise: the product will not slip, ear piercing noise and backlash after rolling. At the same time, due to the light weight of the product and the precise closure of the cover and seat, the problems of "jumping, seeping, ringing and shifting" of other manhole covers are overcome
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