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

rotomoulding-Maple Falls-Rotational molding refers to a plastic production procedure that generates hollow stress-free products. The process relies on high temperatures and bi axial rotation to follow up with seamless, one piece objects that have several shapes, colors and sizes. This procedure is also referred to as roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The component that makes this different from other plastic manufacturing processes because no pressure is required. It also has few rivals when it involves the creation of large size hollow items which are long lasting and inexpensive.There is a wide range of items that are created 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 because of the versatility 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 Maple Falls WA 98266, 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 Molding-Maple Falls-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 Maple Falls 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 in Detail

This moulding procedure has been used since ancient times for creatingvseverl products. Egyptians as an example, worked with rotocasting systems in the making of ceramics. The Swiss were also making use of this rotation technique to generate hollow chocolate eggs. Some plastic product lines in the USA were made utilizing this approach some time between 1940 and 1950. Because it was viewed to be a rather slow process, the procedure has however taken long to catch on

1. Mould readying.
A fixed amount of polymer in particle form is loaded into a hollow mold. The mold is usually built from cast aluminium or sheet steel substance. The coloration needed for the final product 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 production.

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 secured and positioned into the oven.

2. The heat and fusion step.
Once placed into the oven, the mold is rotated on two axis so the powdered polymer melts from the heat and coats the inside if the mould. The turning is done slowly, about 20 spins per min. One thing that is critical at this point is the period of time the mold will spend within the oven. If it overstays, the component will lose stability and durability, creating a poor product. If it is extracted from the oven prematurely, the polymer will not have melted properly, which creates bubbles in the completed product line.

3. Mold cooling.
When the component has sufficiently spent the enough of time in the oven, it is then extracted for cooling. This can be done by air or water, or sometimes a mixture of both which generates a cool mist. When the component cools, it reduces slightly for ease of extraction from the mould. This is one more measure that depends a lot on the correct timing, since quick cooling reduces the material too quick, causing warping of the material.

4. The unloading or de-molding step.
Once the material within te mould has cooled adequately, the molder taking care of the procedure can then remove the finished product from the mould. The function is repeated from the beginning, giving a number of similar product lines.

For more information on the different rotational rotomolding options offered for the Maple Falls WA 98266 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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