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

rotomolding-Glasgow-Rotational moulding pertains to a plastic manufacturing solution that produces hollow stress-free items. The function uses high temperatures and bi axial rotation to come up with seamless, one piece items that have various forms, colors and sizes. This technique is also known as rotomoulding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The component that makes this different from other plastic manufacturing processes in that no pressure is required. It also has few rivals when it involves the creation of large size hollow products which are resilient and inexpensive.There is a wide variety of products that are produced by this process including large size water tanks, automobile products, intricate molded medical products, leisure equipment, toys, kayaks, industrial equipment among many others.This is due to the flexibility in regards to type and shapes that the process makes

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Glasgow MO 65254, 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-Glasgow-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 Missouri 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 Glasgow Missouri 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 Process in Detail

This moulding process has been used since ancient times for creatingvseverl product lines. Egyptians for example, applied rotocasting procedures in the making of ceramics. The Swiss were also using this rotation format to make hollow chocolate eggs. Some plastic products in the USA were developed using this technique some time between 1940 and 1950. Due to the fact that it was thought of to be a somewhat slow-moving process, the method has however taken long to become popular

1. Mold fitting.
A fixed measure of polymer in particle form is filled into a hollow mold. The mould is usually constructed from cast aluminium or sheet steel substance. The colour intended for the final item 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 format of plastic production.

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 mould with the powdered polymer is then sealed and positioned into the oven.

2. The heat and fusion step.
Once within the oven, the mould is revolved on two axis so the powdered polymer melts from the heat and layers the inside if the mould. The turning is done slowly and gradually, about 20 rotations per sixty seconds. The main thing that is vital at this moment is the amount of time the mold will spend inside the oven. If it stays to long, the product will lose value and strength, making a faulty product. If it is extracted from the oven too early, the polymer will not have flowed properly, which produces bubbles in the finalized item.

3. Mould cooling down.
When the material has sufficiently spent the enough of time in the oven, it is then removed for cooling. This may be done by air or water, or sometimes a mixture of both which a cool mist. When the product cools, it reduces somewhat for ease of extraction from the mould. This is yet another measure that depends a lot on the ideal timing, since quick cooling reduces the material too quickly, causing bending of the product.

4. The unloading or de-molding phase.
Once the product inside te mold has cooled correctly, the person managing the procedure can then extract the finalized product from the mould. The procedure is repeated from the beginning, making a number of similar products.

For more information on the different rotational molding options offered for the Glasgow MO 65254 area, please call our toll free number  866-971-7861 or fill out the form on the right for a consultation!

Other areas we service, go here to plastic products

Local Resources

Production Example
Google Map