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Rotomoulding Applications

When it comes to manufacturing large hollow plastic parts, nothing beats the process of rotomolding. Compared to other molding or casting processes like injection or blow molding, rotomolding is exceptionally cost efficient and the products produced are also of better quality.
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Design Advantages of Rotomoulding

One of the inherent strengths of Rotomoulding is its design flexibility. In designing the molds or in molding the products in those molds, designer can have different sort of benefits that are absent in other plastic manufacturing techniques. A few design advantages of Rotomoulding are as follows:

1) One-part Construction With No Weld Lines Or Joints:

In designing the molds for the products, many things can be taken care of like contours, flanges, metal inserts and even detailed logos. In such a mold, the entire plastic product can be designed at the same time that too in one piece with out any weld lines or joints. Where as in other plastic molding techniques, different parts of a single products are molded separately and then joint together, which usually leaves the joint marks.

2) Consistent Wall Thickness:

Moreover, in rotational molding, the wall thickness of the entire product remains consistent as same centrifugal force gets applied on the molten plastic. Hence it spreads out evenly and turns to be relatively stronger with no thin areas that could burst or break. To add strength to the part, designers can even include kiss-offs, foaming, internal ribs or double walls. Even the outside corners tend to be strong being virtually stress free. The hidden and inbuilt strength of the rotomoulding designs are now well known. Few of these Design Advantages of Rotomoulding are strong outside corners and uniform design. The said corners are nearly stress free. For additional strength, a part can be formed from reinforced ribs.

3) Simple to mold extremely complex shapes:

After cost saving, this design benefit of the rotomoulding is the most principal advantage. Whether its indentations, difficult textures or stiffening ribs, every shape shape can be molded without inclining the tooling cost.

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