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February 02, 2023

The problem of the molded fiber finished product setting process

Molded Fiber Round Plate

The problems that the Molded Fiber Finished Product may have during the setting process is as follows:

(1) The structure of the tableware cavity is complex, and the intermediate cavity space is small
Such problems will not occur for conventional ordinary plates, bowls, boxes and other products, especially products with large angles and wide area, but products with small products and thick thickness are prone to vertical vertical vertical vertical. The phenomenon of the noodles and the horizontal surface is cracking at the same time. The cause of this phenomenon is mainly due to the small product cavity. After the formation of wet embryos, the irregular stitching of plant fibers caused the bottom of the product to accumulate the bottom of the product. During the slurry process, the vacuum adsorption difficulties caused the product thickness limit. , Thus the slurry fiber at the bottom form a suspended state of upper and lower layers. When the wet embryo was transferred to the styling mold, the gap was reduced due to the expansion of the thermal mold mold, which caused the vertical surface cracking of the product's side wall near the bottom and the horizontal tornness at the bottom.

(2) The metal network is frequently replaced, and it is not easy to shape
Whether it is pulp, pulp, or grouting, the metal net must be used in most processes. The metal network should be used according to different heights and slopes. For example, ordinary disc uses a wire diameter of 21-23, and the number of meters of 40-45 mesh is left and right double oblite net; products with deeper depth or narrow product parts are more suitable for the number of silk diameters to be 17-19, with 35-40 mesh meters of the meter 35-40 mesh. The left and right single-layer network; for products with more delicate mesh requirements, it is more suitable for the use of 50-60 destination packaging network. The reason why different products use different networks are not only considering the problem of network consumption, but more about the design of the post -network matching network with the product. Another example is a square bowl product with a large angle. This type of product has a low network. However, because the large angle is large, the metal network is often not easy to set. Increase the product, reduce the qualification rate!

(3) The pulp time is too long
The degree of solution (slurry) of the grown plates of each raw material factory will be different, so the pulp time of different pulp and different manufacturers should be different according to the difference between the parameters of the pulp and the slurry machine (the difference between the high, low concentration and the blade). In the end, if all the pulp can be severely damaged with the same time, and the slurry will inevitably occur, which will be severely damaged, reducing the combination of fibers, and it is more likely to cause product cracking.
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