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

rotational molding-Burkburnett-Rotational molding pertains to a plastic manufacturing solution that makes hollow stress-free product lines. The method uses high temperatures and bi axial rotation to follow up with seamless, one piece items that have several designs, sizes and colors. This technique is also known as rotomolding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl forms.

The function that makes this unique from other plastic manufacturing procedures that no pressure is involved. It also has few competitors when it comes down to the manufacture of large hollow items which are resilient and inexpensive.There is a wide range of items that are developed by this process including big water tanks, automobile materials, complex molded medical products, leisure equipment, toys, kayaks, industrial equipment among many others.This is because of the versatility in terms of type 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 Burkburnett TX 76354, 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 Manufacturing-Burkburnett-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 Burkburnett 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 Rotomolding Procedure in Detail

This molding procedure has been used since earlier times for creatingvseverl products. Egyptians for example, employed rotomoulding systems in the manufacturing of ceramics. The Swiss were also applying this rotation approach to generate hollow chocolate eggs. Some plastic items in the USA were created utilizing this technique some time between 1940 and 1950. The system has however taken very long to catch on because it was considered as being a very slow-moving process

1. Mould prep work.
A predetermined quantity of polymer in particle form is filled into a hollow mold. The mould is usually made from cast aluminium or sheet steel component. The color tone desired for the finished product is pre compounded into the polymer. The most typically used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this type of plastic manufacturing.

Preheating of the oven follows, and it can 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 locked and installed inside the oven.

2. The heating up and fusion procedure.
Once inside the oven, the mould is turned on two axis so the powdered polymer liquefies from the heat and layers the inside if the mold. The spinning is done slowly and gradually, about 20 spins per sixty seconds. One thing that is critical at this moment is the amount of time the mold will spend inside the oven. If it overstays, the component will lose value and durability, creating a weak item. If it is extracted from the oven prematurely, the polymer will not have liquefied correctly, which generates bubbles in the finalized product.

3. Mold cooling.
When the component has sufficiently spent the right amount of time in the oven, it is then extracted for cooling. This can be done by air or water, or sometimes a mixture of both which creates a cool mist. When the material cools, it shrinks slightly for ease of extraction from the mold. This is one more measure that relies a lot on the right timing, since rapid cooling shrinks the material too quickly, causing warping of the product.

4. The un-loading or de-molding step.
Once the material within te mould has cooled properly, the molder taking care of the procedure can then take out the finalized item from the mold. The process is repeated from the start, providing a number of exact product lines.

For more information on the different rotational rotomolding options offered for the Burkburnett TX 76354 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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