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

rotational molding-Blackwell-Rotational molding refers to a plastic production solution that makes hollow stress-free items. The method uses 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 procedure is also called rotomolding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl styles.

The function that makes this unique from other plastic manufacturing methods because no pressure is required. It also has few rivals when it comes down to the creation of large hollow items which are long lasting and inexpensive.There is a wide range of products that are generated by this process including large size water tanks, automobile materials, intricate molded medical products, recreation equipment, toys, kayaks, industrialized equipment among many others.This is because of the flexibility in regards to style and shapes that the process manufactures

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Blackwell OK 74631, 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 molding 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-Blackwell-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 Oklahoma 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 Blackwell Oklahoma 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 Procedure in Detail

This moulding method has been used since earlier times for creatingvseverl products. Egyptians for example, applied roto-molding methods in the producing of ceramics. The Swiss were also using this rotation approach to create hollow chocolate eggs. Some plastic product lines in the USA were developed utilizing this method some time between 1940 and 1950. Due to the fact that it was viewed to be a rather slow-moving process, the technique has however taken long to become popular

1. Mold fitting.
A fixed quantity of polymer in particle form is loaded into a hollow mould. The mold is usually comprised of cast aluminium or sheet steel substance. The color intended for the final goods 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 design of plastic production.

Pre-heating 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 mold with the powdered polymer is then sealed and placed into the oven.

2. The heat and fusion procedure.
Once within the oven, the mould is rotated on two axis so the powdered polymer liquefies from the heat and layers the inside if the mold. The spinning is done slowly, about 20 revolutions per minute. The main thing that is vital at this point is the period of time the mould will spend within the oven. If it overstays, the material will lose value and strength, generating a weak item. If it is taken out from the oven prematurely, the polymer will not have melted properly, which produces bubbles in the finalized product.

3. Mould cooling.
When the material has sufficiently spent the enough 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 reduces slightly for ease of extraction from the mold. This is an additional step that depends a lot on the correct timing, since quick cooling shrinks the material too quickly, causing warping of the material.

4. The removing or de-moulding step.
Once the material inside te mould has cooled properly, the molder taking care of the procedure can then extract the finished item from the mold. 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 Blackwell OK 74631 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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