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

rotomolding-Inverness-Rotational moulding refers to a plastic production solution that produces hollow stress-free items. The procedure uses high temperatures and bi axial rotation to follow up with seamless, one piece items that have a variety of forms, colors and sizes. This procedure is also called roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl types.

The benefit that makes this unique from other plastic manufacturing procedures that no pressure is involved. 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 items that are developed by this process including large size water tanks, automobile products, complex shaped 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 produces

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Inverness MT 59530, 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 roto-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

Plastic Products-Inverness-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 Inverness 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 Procedure in Detail

This moulding technique has been used since earlier times for creatingvseverl product lines. Egyptians for instance, used rotational molding systems in the manufacturing of ceramics. The Swiss were also utilizing this rotation format to make hollow chocolate eggs. Some plastic product lines in the USA were developed utilizing this technique some time between 1940 and 1950. Given that it was regarded to be a very slow-moving method, the process has however taken long to catch on

1. Mould preparation.
A predetermined volume of polymer in grain form is filled into a hollow mold. The mold is usually composeded of cast aluminium or sheet steel material. The coloration chosen for the finished 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 design of plastic assembly.

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 secured and put inside the oven.

2. The heating and fusion process.
Once placed into the oven, the mold is revolved on two axis so the powdered polymer liquefies from the heat and overlays the inside if the mold. The spinning is done slowly and gradually, about 20 rotations per minute. Something that is vital at this point is the amount of time the mold will spend within the oven. If it stays to long, the material will lose stability and strength, producing a faulty item. If it is extracted from the oven too early, the polymer will not have melted properly, which generates bubbles in the finalized product.

3. Mold cooling.
When the material has sufficiently spent the enough of time in the oven, it is then taken out for cooling. This may be done by air or water, or sometimes a mixture of both which creates a cool mist. When the product cools, it reduces somewhat for ease of removal from the mold. This is an additional measure that depends a lot on the right timing, since quick cooling reduces the material too rapidly, causing bending of the item.

4. The removing or de-molding step.
Once the product within te mould has cooled properly, the person managing the process can then take out the finalized item from the mold. The procedure is repeated from the start, giving a number of exact products.

For more information on the different rotational rotomolding options offered for the Inverness MT 59530 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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