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

rotational moulding-Helix-Rotational molding refers to a plastic manufacturing technique that generates hollow stress-free items. The function utilizes high temperatures and bi axial rotation to follow up with seamless, one piece items that have varying designs, sizes and colors. This procedure is also known as roto-molding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl forms.

The function that makes this different from other plastic manufacturing techniques that no pressure is called for. It also has few competitors when it comes to the creation of large hollow products which are durable and inexpensive.There is a wide variety of product lines that are created by this process including large size water tanks, automobile materials, intricate molded medical products, leisure equipment, toys, canoes, industrial equipment among many others.This is due to the versatility in terms of design 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 Helix OR 97835, 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

Custom Molding-Helix-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 Oregon 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 Helix Oregon 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 Rotomoulding Procedure Components

This molding technique has been used since early times for creatingvseverl items. Egyptians for instance, worked with roto-molding techniques in the of ceramics. The Swiss were also making use of this rotation design to create hollow chocolate eggs. Some plastic product lines in the USA were manufactured utilizing this approach some time between 1940 and 1950. Because it was viewed to be a somewhat slow process, the system has however taken long to become popular

1. Mould preparation.
A predetermined amount of polymer in particle form is loaded into a hollow mold. The mould is usually constructed from cast aluminium or sheet steel substance. The coloration needed for the final goods is pre compounded into the polymer. The most commonly used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this format of plastic production.

Pre-heating of the oven follows, and it can 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 placed within the oven.

2. The heating and fusion step.
Once placed into the oven, the mold is revolved on two axis so the powdered polymer melts from the heat and coats the inside if the mould. The rotation is done slowly, about 20 spins per minute. One thing that is important at this moment is the amount of time the mold will spend within the oven. If it stays to long, the component will lose value and strength, generating a poor item. If it is taken out from the oven too early, the polymer will not have liquefied properly, which generates bubbles in the finished product.

3. Mold cooling down.
When the material 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 shrinks a little for ease of extraction from the mold. This is yet another procedure that depends upon a lot on the correct timing, since quick cooling reduces the material too quick, causing bending of the product.

4. The un-loading or de-molding step.
As soon as the component within te mould has cooled correctly, the person taking care of the process can then extract the finished item from the mould. The function is repeated from the start, making a number of similar items.

For more information on the different rotational rotomolding options offered for the Helix OR 97835 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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