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

rotational moulding-Garden Valley-Rotational moulding refers to a plastic manufacturing procedure that produces hollow stress-free product lines. The process depends on high temperatures and bi axial rotation to come up with seamless, one piece objects that have several forms, sizes and colors. This technique is also known as roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The feature that makes this different from other plastic manufacturing processes in that no pressure is needed. It also has few competitors when it comes to the production of sizable hollow items which are durable and inexpensive.There is a variety of products that are developed by this process including big water tanks, automobile items, intricate shaped medical items, leisure equipment, toys, kayaks, industrialized equipment among many others.This is due to the flexibility in regards to type and forms that the process manufactures

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Garden Valley ID 83622, 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

Custom Molded-Garden Valley-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 Idaho 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 Garden Valley Idaho 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 Process in Detail

This molding process has been used since ancient times for creatingvseverl products. Egyptians for example, applied rotocasting systems in the of ceramics. The Swiss were also employing this rotation method to generate hollow chocolate eggs. Some plastic product lines in the USA were made utilizing this approach some time between 1940 and 1950. Considering that it was regarded to be a basically slow-moving approach, the system has however taken long to become popular

1. Mold preparation.
A fixed 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 preferred for the final goods 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 style of plastic engineering.

Preheating of the oven starts, and it can 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 positioned into the oven.

2. The heating and fusion procedure.
Once inside the oven, the mould is rotated on two axis so the powdered polymer liquefies from the heat and coats the inside if the mould. The turning is done slowly, about 20 rotations per minute. Something that is critical at this moment is the period of time the mould will spend inside the oven. If it overstays, the component will lose value and durability, making a poor product. If it is removed from the oven too early, the polymer will not have flowed correctly, which produces bubbles in the completed product.

3. Mold cooling down.
When the component has completely spent the right amount of time in the oven, it is then extracted for cooling. This may be done by air or water, or sometimes a mixture of both which creates a cool mist. When the material cools, it shrinks somewhat for ease of extraction from the mold. This is yet another measure that depends a lot on the ideal timing, since quick cooling shrinks the material too fast, causing bending of the product.

4. The discharging or de-moulding phase.
When the product within te mold has cooled adequately, the molder handling the operation can then extract the finalized product from the mold. The process is repeated from the start, making a number of exact product lines.

For more information on the different rotational rotomolding options offered for the Garden Valley ID 83622 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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