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

rotomoulding-Granbury-Rotational molding pertains to a plastic production procedure that makes hollow stress-free items. The function relies upon high temperatures and bi axial rotation to come up with seamless, one piece items that have a wide range of designs, colors and sizes. This method is also referred to as rotomoulding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl types.

The component that makes this different from other plastic manufacturing techniques that no pressure is called for. It also has few competitors when it comes down to the manufacture of large size hollow products which are durable and inexpensive.There is a wide variety of products that are produced by this process including large size water tanks, automobile items, sophisticated designed medical items, leisure equipment, toys, canoes, industrial equipment among many others.This is due to the flexibility in terms of design and forms that the process makes

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Granbury TX 76048, 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 rotomolding 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 Molding-Granbury-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 Granbury 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 Components

This molding procedure has been used since earlier times for creatingvseverl products. Egyptians as an example, employed roto-molding systems in the of ceramics. The Swiss were also making use of this rotation technique to generate hollow chocolate eggs. Some plastic items in the USA were created utilizing this approach some time between 1940 and 1950. Because it was viewed to be a very slow method, the technique has however taken long to become popular

1. Mold readying.
A fixed amount of polymer in grain form is packed into a hollow mould. The mould is usually made of cast aluminium or sheet steel component. The color preferred for the end goods is pre compounded into the polymer. The most commonly used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this type of plastic production.

Preheating of the oven follows, and it may be done by either conduction, convection or sometimes radiation. It is heated to temperatures between 500-700F. The mold with the powdered polymer is then secured and inserted into the oven.

2. The heating up and fusion process.
Once placed into the oven, the mould is rotated on two axis so the powdered polymer melts from the heat and layers the inside if the mould. The spinning is done gradually, about 20 rotations per sixty seconds. Something that is vital at this point is the period of time the mould will spend inside the oven. If it overstays, the material will lose stability and strength, making a faulty item. If it is taken out from the oven prematurely, the polymer will not have liquefied correctly, which develops bubbles in the finished product.

3. Mold cooling down.
When the product has sufficiently 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 creates a cool mist. When the product cools, it reduces slightly for ease of removal from the mold. This is one more measure that depends upon a lot on the right timing, since rapid cooling reduces the material too fast, causing bending of the product.

4. The offloading or de-molding phase.
Once the component within te mold has cooled effectively, the person handling the operation can then take out the finished item from the mold. The procedure is repeated from the start, providing a series of similar items.

For more information on the different rotational rotomolding options offered for the Granbury TX 76048 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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