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

rotational molding-Lipscomb-Rotational molding pertains to a plastic production practice that produces hollow stress-free items. The process relies on high temperatures and bi axial rotation to come up with seamless, one piece items that have different designs, sizes and colors. This method is also called rotomoulding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The feature that makes this different from other plastic manufacturing processes because no pressure is called for. It also has few competitors when it comes to the creation of large size hollow items which are long-lasting and inexpensive.There is a wide range of products that are produced by this process including large size water tanks, automobile items, complex molded medical items, leisure equipment, toys, canoes, industrial equipment among many others.This is because of the flexibility in terms of type and forms that the process manufactures

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Lipscomb TX 79056, 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 Molding-Lipscomb-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 Lipscomb 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 Roto-Molding Procedure in Detail

This molding procedure has been used since early times for creatingvseverl product lines. Egyptians for example, utilized rotomoulding solutions in the producing of ceramics. The Swiss were also using this rotation approach to generate hollow chocolate eggs. Some plastic product lines in the USA were created utilizing this approach some time between 1940 and 1950. Since it was regarded to be a rather slow method, the system has however taken long to become popular

1. Mould prep work.
A predetermined measure of polymer in powder form is packed into a hollow mould. The mold is usually composeded of cast aluminium or sheet steel substance. The color tone preferred for the finished product 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 type of plastic manufacturing.

Preheating of the oven starts, 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 sealed and installed into the oven.

2. The heating up and fusion process.
Once placed into the oven, the mould is revolved on two axis so the powdered polymer melts from the heat and layers the inside if the mold. The rotation is done slowly, about 20 rotations per min. One thing that is important at this moment is the amount of time the mold will spend within the oven. If it stays to long, the product will lose value and strength, making a poor product. If it is taken out from the oven prematurely, the polymer will not have flowed correctly, which produces bubbles in the finalized item.

3. Mould cooling down.
When the product has completely spent the right amount of time in the oven, it is then removed for cooling. This can be done by air or water, or sometimes a mixture of both which a cool mist. When the product cools, it reduces slightly for ease of removal from the mould. This is yet another measure that depends a lot on the right timing, since quick cooling reduces the material too quick, causing warping of the material.

4. The offloading or de-molding step.
Once the component within te mould has cooled adequately, the molder taking care of the process can then take out the finished product from the mold. The procedure is repeated from the beginning, giving a number of identical items.

For more information on the different rotational rotomolding options offered for the Lipscomb TX 79056 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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