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

rotational moulding-Lamont-Rotational moulding refers to a plastic manufacturing technique that makes hollow stress-free product lines. The method depends on high temperatures and bi axial rotation to follow up with seamless, one piece products that have a variety of forms, colors and sizes. This procedure is also known as rotomoulding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl styles.

The feature that makes this different from other plastic manufacturing processes because no pressure is required. It also has few contenders when it involves the production of large size hollow products which are long-lasting and inexpensive.There is a variety of items that are generated by this process including large size water tanks, automobile items, sophisticated molded medical items, recreation equipment, toys, canoes, industrial equipment among many others.This is due to the versatility in regards to type and shapes that the process produces

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Lamont WA 99017, 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 Manufacturing-Lamont-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 Lamont 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 Rotomolding Process in Detail

This moulding technique has been used since early times for creatingvseverl products. Egyptians for example, utilized roto-molding techniques in the creating of ceramics. The Swiss were also applying this rotation technique to generate hollow chocolate eggs. Some plastic product lines in the USA were created utilizing this method some time between 1940 and 1950. Since it was regarded to be a relatively slow-moving process, the system has however taken long to become popular

1. Mold prep work.
A predetermined amount of polymer in grain form is loaded into a hollow mould. The mould is usually made from cast aluminium or sheet steel component. The color chosen for the final item 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 design of plastic production.

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

2. The heat and fusion procedure.
Once placed into the oven, the mould is revolved on two axis so the powdered polymer liquefies from the heat and coats the inside if the mold. The turning is done slowly, about 20 rotations per min. One thing that is critical at this point is the amount of time the mold will spend within the oven. If it overstays, the component will lose value and durability, creating a faulty item. If it is taken out from the oven too early, the polymer will not have liquefied correctly, which generates bubbles in the completed product.

3. Mold cooling.
When the product has completely spent the correct 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 generates a cool mist. When the material cools, it reduces somewhat for ease of removal from the mould. This is yet another step that relies a lot on the ideal timing, since quick cooling decreases the material too quick, causing bending of the item.

4. The un-loading or de-molding phase.
Once the component within te mold has cooled correctly, the molder handling the process can then extract the finalized item from the mould. The function is repeated from the start, supplying a series of identical products.

For more information on the different rotational rotomolding options offered for the Lamont WA 99017 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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