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

rotomolding-Amanda Park-Rotational molding refers to a plastic manufacturing procedure that makes hollow stress-free product lines. The method relies upon high temperatures and bi axial rotation to come up with seamless, one piece products that have various designs, sizes and colors. This procedure is also called rotomoulding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl styles.

The attribute that makes this unique from other plastic manufacturing procedures because no pressure is called for. It also has few contenders when it comes to the production of sizable hollow items which are long-lasting and inexpensive.There is a wide range of products that are generated by this process including large size water tanks, automobile materials, intricate molded medical products, recreation equipment, toys, canoes, industrialized equipment among many others.This is because of the flexibility in regards to style 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 Amanda Park WA 98526, 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 rotomolding 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-Amanda Park-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 Washington 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 Amanda Park Washington 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 Process Components

This molding process has been used since early times for creatingvseverl items. Egyptians for instance, worked with rotomoulding procedures in the manufacturing of ceramics. The Swiss were also making use of this rotation method to generate hollow chocolate eggs. Some plastic products in the USA were created utilizing this technique some time between 1940 and 1950. The procedure has however taken very long to catch on because it was thought of as being a moderately slow process

1. Mould fitting.
A fixed volume of polymer in grain form is packed into a hollow mold. The mold is usually made from cast aluminium or sheet steel component. The coloring intended for the end 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 format of plastic engineering.

Preheating of the oven starts, and it may be done by either conduction, convection or sometimes radiation. It is warmed to temperatures between 500-700F. The mold with the powdered polymer is then secured and inserted inside the oven.

2. The heating up and fusion procedure.
Once inside the oven, the mould is rotated on two axis so the powdered polymer liquefies from the heat and layers the inside if the mould. The turning is done slowly and gradually, about 20 rotations per minute. One thing that is crucial at this moment is the amount of time the mould will spend inside the oven. If it overstays, the material will lose value and strength, producing a weak product. If it is removed from the oven too early, the polymer will not have melted properly, which creates bubbles in the finished product line.

3. Mould cooling down.
When the material has completely spent the right amount 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 creates a cool mist. When the component cools, it reduces a little for ease of removal from the mold. This is one more measure that relies a lot on the right timing, since quick cooling decreases the material too quick, causing warping of the item.

4. The removing or de-molding step.
Once the product within te mould has cooled successfully, the molder taking care of the procedure can then extract the completed item from the mold. The procedure is repeated from the start, making a series of exact products.

For more information on the different rotational rotomolding options offered for the Amanda Park WA 98526 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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