Gold Member Since 2015
Hoda International Group Co., Ltd.

Plastic, Plastic Products, Injection Mould manufacturer / supplier in China, offering Hight Quality Plastic Rotomoulding Machine Rotational Mold, Latest Customized Fashion Side Tricycle Three Wheelers Scooters (HD150-CSL), 110cc Cub Motorbikes Street Bike (HD110-6K) and so on.

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Supplier Homepage Product Rotational Moulding Hight Quality Plastic Rotomoulding Machine Rotational Mold

Hight Quality Plastic Rotomoulding Machine Rotational Mold

Purchase Qty.:
(Pieces)
1-99 100+
FOB Unit Price: US $10,000 US $8,900
Purchase Qty. (Pieces) FOB Unit Price
1-99 US $10,000
100+ US $8,900
Get Latest Price
Production Capacity: 100units/Month
Transport Package: Carton
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: Rotational mold
  • Mold Size: Customized
  • Origin: Made in China
  • Materials: Plastic
  • Trademark: Hodar or OEM
Product Description

About Rotational Moulding
Rotational moulding, known also as rotomolding or rotocasting, is a process for manufacturing hollow plastic products. For certain types of liquid vinyls, the term slush molding is also used. Rotational molding has particular advantages in terms of relatively low levels of residual stresses and inexpensive molds. Rotational molding also has few competitors for the production of large (> 2 m3) hollow objects in one piece. Rotational molding is best known for the manufacture of tanks but it can also be used to make complex medical products, toys, leisure craft, and highly aesthetic point-of-sale products.
 
The principle of rotational molding of plastics is simple. Basically the process consists of introducing a known amount of plastic in powder, granular, or viscous liquid form into a hollow, shell-like mold.The mold is rotated and/ or rocked about two principal axes at relatively low speeds as it is heated so that the plastic enclosed in the mold adheres to, and forms a monolithic layer against, the mold surface. The mold rotation continues during the cooling phase so that the plastic retains its desired shape as it solidifies. When the plastic is sufficiently rigid, the cooling and mold rotation is stopped to allow the removal of the plastic product from the mold. At this stage, the cyclic process may be repeated. The basic steps of (a) mold charging, (b) mold heating, (c) mold cooling, and (d) part ejection are shown in Figure below.
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