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

rotational molding-Rebuck-Rotational molding pertains to a plastic production solution that generates hollow stress-free items. The procedure uses high temperatures and bi axial rotation to follow up with seamless, one piece items that have various shapes, sizes and colors. This method is also called rotomolding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl forms.

The feature that makes this unique from other plastic manufacturing processes that no pressure is involved. It also has few competitors when it comes down to the production of large size hollow items which are resilient and inexpensive.There is a wide variety of products that are developed by this process including large water tanks, automobile materials, intricate molded medical items, leisure equipment, toys, kayaks, industrialized equipment among many others.This is because of the flexibility in regards to type and forms that the process makes

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Rebuck PA 17867, 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

Plastic Molding-Rebuck-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 Pennsylvania 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 Rebuck Pennsylvania 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 Rotomolding Process Components

This moulding technique has been used since earlier times for creatingvseverl items. Egyptians as an example, worked with rotocasting techniques in the producing of ceramics. The Swiss were also applying this rotation approach to make hollow chocolate eggs. Some plastic products in the USA were manufactured using this approach some time between 1940 and 1950. The procedure has however taken long to catch on because it was looked at to be a very slow process

1. Mold fitting.
A fixed measure of polymer in grain form is loaded into a hollow mould. The mold is usually comprised of cast aluminium or sheet steel component. The coloring preferred for the final item 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 engineering.

Pre-heating of the oven starts, and it may be done by either conduction, convection or sometimes radiation. It is heated up to temperatures between 500-700F. The mould with the powdered polymer is then locked and positioned into the oven.

2. The heating up and fusion phase.
Once inside the oven, the mold is revolved on two axis so the powdered polymer melts from the heat and layers the inside if the mold. The spinning is done slowly and gradually, about 20 revolutions per min. Something that is crucial at this moment is the period of time the mold will spend within the oven. If it stays to long, the component will lose value and durability, generating a weak product. If it is taken out from the oven too early, the polymer will not have melted properly, which develops bubbles in the finished product line.

3. Mold cooling.
When the product has completely 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 generates a cool mist. When the product cools, it shrinks somewhat for ease of removal from the mold. This is yet another procedure that depends a lot on the correct timing, since quick cooling shrinks the material too quick, causing warping of the material.

4. The removing or de-molding phase.
Once the component inside te mould has cooled successfully, the molder handling the process can then remove the finished product from the mold. The function is repeated from the beginning, supplying a number of similar product lines.

For more information on the different rotational molding options offered for the Rebuck PA 17867 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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