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

rotocasting-Winter Park-Rotational moulding refers to a plastic production procedure that creates hollow stress-free product lines. The process depends on high temperatures and bi axial rotation to come up with seamless, one piece items that have a wide range of forms, colors and sizes. This method is also called rotomoulding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl styles.

The component that makes this unique from other plastic manufacturing methods that no pressure is needed. It also has few contenders when it comes to the production of sizable hollow products which are resilient and inexpensive.There is a variety of product lines that are created by this process including large size water tanks, automobile products, intricate molded medical items, recreation equipment, toys, kayaks, industrial equipment among many others.This is because of the versatility in terms of style and forms that the process develops

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Winter Park CO 80482, 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 Manufacturing-Winter Park-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 Winter Park 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 Roto-Molding Procedure in Detail

This moulding operation has been used since early times for creatingvseverl product lines. Egyptians as an example, used roto-molding methods in the of ceramics. The Swiss were also using this rotation design to create hollow chocolate eggs. Some plastic product lines in the USA were manufactured using this method some time between 1940 and 1950. Considering that it was viewed to be a rather slow-moving method, the procedure has however taken long to catch on

1. Mold fitting.
A predetermined volume of polymer in powder form is filled into a hollow mold. The mould is usually crafted from cast aluminium or sheet steel substance. The colour preferred for the finished product 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 style of plastic manufacturing.

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 mold with the powdered polymer is then locked and installed inside the oven.

2. The heating up and fusion step.
Once within the oven, the mould is turned on two axis so the powdered polymer liquefies from the heat and overlays the inside if the mold. The rotation is done gradually, about 20 spins per minute. One thing that is vital at this moment is the period of time the mould will spend within the oven. If it overstays, the product will lose value and strength, creating a faulty product. If it is extracted from the oven prematurely, the polymer will not have flowed correctly, which generates bubbles in the finished product.

3. Mold cooling down.
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 creates a cool mist. When the component cools, it reduces somewhat for ease of extraction from the mold. This is an additional measure that relies a lot on the ideal timing, since quick cooling shrinks the material too fast, causing warping of the item.

4. The discharging or de-molding phase.
When the product within te mold has cooled effectively, the person managing the operation can then extract the finished item from the mould. The function is repeated from the start, giving a series of similar items.

For more information on the different rotational rotomolding options offered for the Winter Park CO 80482 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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