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

rotomolding-Port Deposit-Rotational molding refers to a plastic production solution that makes hollow stress-free items. The process uses high temperatures and bi axial rotation to follow up with seamless, one piece products that have various designs, colors and sizes. This technique is also called rotomolding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl forms.

The component that makes this unique from other plastic manufacturing techniques because no pressure is needed. It also has few contenders when it involves the creation of large size hollow items which are resilient and inexpensive.There is a wide variety of products that are produced by this process including big water tanks, automobile items, sophisticated shaped medical items, recreation equipment, toys, kayaks, industrial equipment among many others.This is because of the versatility in terms of type 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 Port Deposit MD 21904, 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 rotomoulding 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-Port Deposit-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 Maryland 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 Port Deposit Maryland 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 Process Components

This molding procedure has been used since earlier times for creatingvseverl products. Egyptians as an example, utilized rotomoulding methods in the manufacturing of ceramics. The Swiss were also employing this rotation design to make hollow chocolate eggs. Some plastic products in the USA were made utilizing this method some time between 1940 and 1950. Considering that it was regarded to be a basically slow-moving technique, the system has however taken long to become popular

1. Mold fitting.
A predetermined measure of polymer in powder form is filled into a hollow mold. The mould is usually composeded of cast aluminium or sheet steel component. The colour preferred for the final 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 style of plastic assembly.

Preheating of the oven follows, and it may 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 inserted inside the oven.

2. The heat and fusion process.
Once within the oven, the mold is spun on two axis so the powdered polymer melts from the heat and coats the inside if the mold. The turning is done gradually, about 20 spins per minute. Something that is critical at this point is the amount of time the mould will spend inside the oven. If it overstays, the component will lose value and strength, making a poor product. If it is taken out from the oven too early, the polymer will not have liquefied correctly, which produces bubbles in the completed product.

3. Mold cooling down.
When the component has sufficiently spent the enough of time in the oven, it is then taken out for cooling. This can be done by air or water, or sometimes a mixture of both which generates a cool mist. When the product cools, it reduces somewhat for ease of removal from the mould. This is another step that depends a lot on the ideal timing, since rapid cooling reduces the material too rapidly, causing bending of the product.

4. The offloading or de-molding step.
As soon as the component within te mould has cooled successfully, the molder handling the process can then extract the finished product from the mold. The technique is repeated from the start, supplying a number of identical product lines.

For more information on the different rotational rotomolding options offered for the Port Deposit MD 21904 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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