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

roto-molding-Delta-Rotational molding refers to a plastic production technique that generates hollow stress-free products. The process uses high temperatures and bi axial rotation to follow up with seamless, one piece items that have several forms, colors and sizes. This method is also called rotomoulding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl types.

The function that makes this unique from other plastic manufacturing processes in that no pressure is needed. It also has few rivals when it comes to the creation of large hollow items which are long-lasting and inexpensive.There is a wide range of products that are developed by this process including large size water tanks, automobile materials, complex shaped medical items, leisure equipment, toys, kayaks, industrialized equipment among many others.This is due to the versatility in terms of 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 Delta CO 81416, 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 Molding-Delta-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 Colorado 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 Delta Colorado 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 Components

This moulding procedure has been used since earlier times for creatingvseverl products. Egyptians for instance, worked with rotational molding systems in the creating of ceramics. The Swiss were also making use of this rotation approach 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 thought of to be a basically slow-moving process, the procedure has however taken long to catch on

1. Mould fitting.
A fixed amount of polymer in particle form is packed into a hollow mold. The mould is usually built from cast aluminium or sheet steel substance. The color preferred for the finished goods 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 assembly.

Preheating of the oven starts, and it can be done by either conduction, convection or sometimes radiation. It is heated to temperatures between 500-700F. The mold with the powdered polymer is then locked and positioned within the oven.

2. The heating and fusion phase.
Once within 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 turning is done gradually, about 20 revolutions per min. One thing that is essential at this point is the period of time the mold will spend within the oven. If it overstays, the component will lose value and strength, making a faulty item. If it is taken out from the oven prematurely, the polymer will not have flowed properly, which generates bubbles in the completed item.

3. Mold cooling.
When the material 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 a cool mist. When the component cools, it reduces slightly for ease of removal from the mold. This is one more measure that depends a lot on the ideal timing, since quick cooling shrinks the material too fast, causing warping of the material.

4. The removing or de-molding step.
When the product within te mould has cooled effectively, the molder managing the procedure can then take out the completed product from the mould. The technique is repeated from the start, giving a number of identical products.

For more information on the different rotational rotomolding options offered for the Delta CO 81416 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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