What is the difference between stainless steel manhole cover and traditional cast iron manhole cover

The first is the difference in appearance. The appearance of the traditional cast iron manhole cover is relatively ordinary, giving a very clumsy and general feeling. However, the stainless steel manhole cover is different. It will not be corroded or rusted due to being buried underground for a long time or due to rain. The second is the difference of anti-theft. Because the traditional cast iron manhole cover is easy to disassemble and disassemble, and it is directly exposed to the outside, there are many cases of theft, causing certain economic losses to the relevant departments. However, the invisible stainless steel manhole cover is different.

From the perspective of practicality: the traditional cast iron manhole cover is a large iron plate. Although it is also practical, the practicability of the stainless steel manhole cover is slightly reduced. An angle steel is added at the iron plate of the stainless steel manhole cover, which not only ensures the convenience of installation, but also makes a very good cut for the stainless steel manhole cover.

Problems to be considered in the design and production of stainless steel manhole covers

When designing the stainless steel manhole cover, it is necessary to consider not only the engineering problems, but also the requirements of aesthetics and durability:

1. The structural design of the stainless steel 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. It should be easy to manufacture models, core boxes and models.

2. The shape of the stainless steel manhole cover should be as simple as possible to facilitate mold removal. The casting parting surface should be flat and the number should be small. The convex part on the well cover and the composite well cover body should not be too different. It is good to take several convex parts with the same height and close distance on the same side to form a whole convex part.

3. The inner cavity should strive to use no or less cores during casting. When cores are used, it should be convenient to support, fix and exhaust sand. If necessary, enough process holes should be set.