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

rotocasting-Center Point-Rotational molding refers to a plastic production procedure that generates hollow stress-free products. The procedure utilizes high temperatures and bi axial rotation to follow up with seamless, one piece objects that have several shapes, colors and sizes. This technique is also referred to as rotomolding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The function that makes this unique from other plastic manufacturing processes in that no pressure is needed. It also has few contenders when it comes down to the production of large hollow items which are durable and inexpensive.There is a wide variety of products that are generated by this process including large size water tanks, automobile items, sophisticated molded medical items, recreation equipment, toys, kayaks, commercial equipment among many others.This is due to the flexibility in terms of design and shapes that the process creates

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Center Point TX 78010, 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

Plastic Products-Center Point-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 Texas 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 Center Point Texas 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 Rotomoulding Process Components

This moulding technique has been used since ancient times for creatingvseverl items. Egyptians as an example, applied rotational molding techniques in the of ceramics. The Swiss were also working with this rotation type to create hollow chocolate eggs. Some plastic products in the USA were developed using this approach some time between 1940 and 1950. Considering that it was considered to be a fairly slow method, the system has however taken long to catch on

1. Mould readying.
A fixed measure of polymer in grain form is filled into a hollow mould. The mould is usually comprised of cast aluminium or sheet steel component. The coloration desired for the final item is pre compounded into the polymer. The most generally used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this design of plastic engineering.

Preheating of the oven follows, and it can be done by either conduction, convection or sometimes radiation. It is warmed to temperatures between 500-700F. The mold with the powdered polymer is then locked and installed inside the oven.

2. The heat and fusion process.
Once within the oven, the mould is revolved on two axis so the powdered polymer melts from the heat and overlays the inside if the mould. The spinning is done slowly and gradually, about 20 spins per minute. One thing that is essential at this point is the period of time the mould will spend within the oven. If it stays to long, the material will lose value and durability, generating a faulty product. If it is removed from the oven too early, the polymer will not have flowed correctly, which creates bubbles in the finished product line.

3. Mould cooling.
When the product has completely spent the right 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 creates a cool mist. When the product cools, it shrinks a little for ease of extraction from the mould. This is yet another measure that depends a lot on the ideal timing, since rapid cooling reduces the material too quick, causing warping of the item.

4. The discharging or de-moulding step.
As soon as the material inside te mold has cooled successfully, the person taking care of the process can then take out the finished item from the mould. The process is repeated from the start, supplying a series of similar product lines.

For more information on the different rotational rotomolding options offered for the Center Point TX 78010 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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