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

rotomolding-Forsyth-Rotational molding refers to a plastic manufacturing solution that creates hollow stress-free items. The method relies on high temperatures and bi axial rotation to follow up with seamless, one piece products that have a wide range of forms, sizes and colors. This method is also referred to as roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl types.

The attribute that makes this unique from other plastic manufacturing techniques that no pressure is involved. It also has few competitors when it pertains to the manufacture of sizable hollow products which are durable and inexpensive.There is a wide range of product lines that are produced by this process including big water tanks, automobile products, complex shaped medical products, leisure equipment, toys, canoes, commercial equipment among many others.This is due to the versatility in regards to design and shapes that the process develops

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Forsyth MT 59327, 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 rotocasting 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 Products-Forsyth-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 Montana 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 Forsyth Montana 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 Method in Detail

This molding process has been used since ancient times for creatingvseverl items. Egyptians as an example, used rotocasting techniques in the producing of ceramics. The Swiss were also using this rotation format to create hollow chocolate eggs. Some plastic items in the USA were created using this procedure some time between 1940 and 1950. Considering that it was viewed to be a rather slow-moving system, the approach has however taken long to become popular

1. Mould prep work.
A fixed quantity of polymer in grain form is loaded into a hollow mould. The mould is usually built from cast aluminium or sheet steel component. The coloring wanted for the finished item 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 design of plastic engineering.

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

2. The heat and fusion process.
Once inside the oven, the mold is rotated on two axis so the powdered polymer liquefies from the heat and coats the inside if the mould. The turning is done gradually, about 20 spins per minute. Something that is crucial at this moment is the amount of time the mould will spend within the oven. If it stays to long, the component will lose value and durability, making a poor item. If it is taken out from the oven too early, the polymer will not have melted correctly, which produces bubbles in the completed product line.

3. Mold cooling down.
When the material has completely spent the correct amount 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 component cools, it reduces slightly for ease of removal from the mould. This is an additional step that depends a lot on the ideal timing, since quick cooling shrinks the material too rapidly, causing warping of the product.

4. The offloading or de-molding step.
Once the product within te mould has cooled successfully, the molder managing the operation can then take out the finalized product from the mold. The function is repeated from the start, making a series of identical items.

For more information on the different rotational rotomolding options offered for the Forsyth MT 59327 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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