Looking for rotational molding alternatives for Louisiana? Want affordable custom plastic molding that is cost effective for Lake Charles area? Then give us a call at our toll free number 866-971-7861 or request a quote today!

roto-molding-Lake Charles-Rotational moulding pertains to a plastic production method that makes hollow stress-free items. The method relies on high temperatures and bi axial rotation to follow up with seamless, one piece products that have varying forms, sizes and colors. This technique is also referred to as rotomolding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl types.

The benefit that makes this unique from other plastic manufacturing procedures in that no pressure is needed. It also has few rivals when it comes to the production of sizable hollow products which are resilient and inexpensive.There is a wide range of product lines that are produced by this process including big water tanks, automobile products, sophisticated shaped medical items, recreation equipment, toys, kayaks, industrial equipment among many others.This is due to the flexibility in regards to type and shapes that the process makes

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Lake Charles LA 70601, it is a cheaper way of making plastics. This is because apart from the fact that no pressure is required, the cost of mold preparation is low.
  • A wide array of design options.
    There is no limit to the kind of design one may want to create. The rotational moulding process therefore allows for the manufacturing of products that have complex shapes for different purposes.
  • Size.
    The process provides room for the manufacturing of products of any size, large or small. As mentioned earlier, it has few competitors when it comes to the making of large tanks at low costs.
  • Low risk.
    Due to the low costs of creating a mould, the process allows for test runs before one can decide whether to do mass production. It therefore minimizes the risk of losing a lot of investment.
  • Durable products.
    The process allows for even coating of the mould with the heated polymer, giving the product a wall with uniform thickness. It also gives the option of double coating for increased durability. Sometimes metal inserts are placed inside the mould to further strengthen the product.
  • Environmentally friendly.
    There is no waste that could have a negative impact on the environment because the products that cannot be used are reground and reused as polymer.

Examples of Products Made by Rotational Molding

Custom Molded-Lake Charles-Rotocasting is a very versatile process, making it possible to create a variety of products for different industries.

  • Agricultural industry– From cattle feeders, water troughs, spray tanks etc.
  • Automotive industry– Filler tubes, dash boards, arm rests, sun visors, air conditioner duct work etc.
  • Furniture– We have plastic cabinets, chairs and tables made from this form of moulding.

There are numerous Louisiana plastic products also that have been made for the marine industry, lighting, waste storage and transportation, kayaks etc.

Few Disadvantages – There are nominal disadvantages that have been associated with rotocasting. For instance:

  • – The process is relatively slow when compared to injection moulding.
  • – There is a limitation when it comes to the type of raw material you can use. Only poly based and nylon polymers can be used.
  • – The process comes with an increased cost because the polymer has to be ground to powder form before use.
    These limitations are often overlooked considering that the process is still relatively cheap and offers more in terms of variety when it comes to the finished range of products.

Remember – There are new developments and discoveries that are being made as the world of plastic manufacturing in Lake Charles Louisiana continuously. For instance, tests are being done to see whether there are other materials that can be used for this process. But so far, rotomoulding offers a good option for the production of a wide range of inexpensive plastic products.

The Roto-Molding Procedure in Detail

This moulding method has been used since early times for creatingvseverl items. Egyptians for example, worked with roto-molding techniques in the of ceramics. The Swiss were also applying this rotation type to create hollow chocolate eggs. Some plastic items in the USA were made utilizing this method some time between 1940 and 1950. Due to the fact that it was viewed to be a relatively slow-moving technique, the approach has however taken long to become popular

1. Mold prep work.
A predetermined measure of polymer in particle form is packed into a hollow mold. The mold is usually composeded of cast aluminium or sheet steel material. The coloration intended for the final item is pre compounded into the polymer. The most often used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this style of plastic production.

Preheating of the oven follows, and it can be done by either conduction, convection or sometimes radiation. It is heated up to temperatures between 500-700F. The mould with the powdered polymer is then locked and placed within the oven.

2. The heating and fusion procedure.
Once inside the oven, the mold is spun on two axis so the powdered polymer melts from the heat and overlays the inside if the mould. The rotation is done slowly and gradually, about 20 spins per min. The main thing that is crucial at this point is the amount of time the mold will spend within the oven. If it stays to long, the product will lose value and durability, making a weak item. If it is extracted from the oven prematurely, the polymer will not have melted correctly, which produces bubbles in the finished product.

3. Mold cooling.
When the component has sufficiently spent the correct amount of time in the oven, it is then taken out for cooling. This can be done by air or water, or sometimes a mixture of both which generates a cool mist. When the material cools, it shrinks somewhat for ease of removal from the mould. This is another step that relies a lot on the ideal timing, since rapid cooling decreases the material too fast, causing bending of the item.

4. The discharging or de-molding step.
When the product within te mould has cooled effectively, the person managing the process can then take out the completed item from the mould. The procedure is repeated from the start, supplying a series of similar product lines.

For more information on the different rotational rotomolding options offered for the Lake Charles LA 70601 area, please call our toll free number  866-971-7861 or fill out the form on the right for a consultation!

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