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

rotomoulding-Marianna-Rotational molding refers to a plastic production practice that produces hollow stress-free products. The procedure relies on high temperatures and bi axial rotation to come up with seamless, one piece items that have varying designs, colors and sizes. 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 different from other plastic manufacturing procedures because no pressure is needed. It also has few rivals when it pertains to the manufacture of large size hollow items which are long lasting and inexpensive.There is a wide variety of items that are created by this process including large water tanks, automobile products, complex designed medical items, recreation equipment, toys, canoes, industrial equipment among many others.This is because of the versatility in regards to design and forms that the process creates

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Marianna PA 15345, 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 Molding-Marianna-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 Marianna 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 Roto-Molding Procedure in Detail

This moulding procedure has been used since earlier times for creatingvseverl items. Egyptians for instance, utilized rotocasting solutions in the producing of ceramics. The Swiss were also applying this rotation method to generate hollow chocolate eggs. Some plastic items in the USA were manufactured using this method some time between 1940 and 1950. The system has however taken very long to catch on because it was looked at to be a very slow process

1. Mould prep work.
A fixed measure of polymer in grain form is filled into a hollow mold. The mould is usually crafted from cast aluminium or sheet steel material. The coloration needed for the final goods 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 style of plastic engineering.

Preheating of the oven follows, and it can 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 placed within the oven.

2. The heat and fusion procedure.
Once within the oven, the mould is turned on two axis so the powdered polymer melts from the heat and layers the inside if the mould. The spinning is done gradually, about 20 revolutions per sixty seconds. Something that is essential at this point is the period of time the mould will spend inside the oven. If it overstays, the component will lose stability and durability, making a faulty product. If it is taken out from the oven too early, the polymer will not have melted correctly, which creates bubbles in the finalized item.

3. Mold cooling down.
When the component has sufficiently spent the correct amount of time in the oven, it is then removed for cooling. This can be done by air or water, or sometimes a mixture of both which creates a cool mist. When the material cools, it reduces a little for ease of removal from the mould. This is yet another step that depends a lot on the right timing, since quick cooling decreases the material too fast, causing warping of the item.

4. The discharging or de-molding phase.
As soon as the component inside te mould has cooled properly, the molder managing the procedure can then take out the finished product from the mould. The procedure is repeated from the start, providing a series of similar items.

For more information on the different rotational molding options offered for the Marianna PA 15345 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