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

rotomoulding-Newton-Rotational molding refers to a plastic production method that generates hollow stress-free items. The procedure relies on high temperatures and bi axial rotation to follow up with seamless, one piece items that have a variety of designs, sizes and colors. This technique is also referred to 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 methods that no pressure is needed. It also has few rivals when it involves the creation of large hollow products which are resilient and inexpensive.There is a variety of products that are produced by this process including large water tanks, automobile materials, sophisticated shaped medical items, recreation equipment, toys, canoes, industrialized 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 Newton GA 31770, 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 moulding 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 Products-Newton-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 Georgia 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 Newton Georgia 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 Method Components

This molding technique has been used since early times for creatingvseverl items. Egyptians for example, employed roto-molding techniques in the making of ceramics. The Swiss were also applying this rotation type to generate hollow chocolate eggs. Some plastic items in the USA were created using this technique some time between 1940 and 1950. Due to the fact that it was considered to be a relatively slow-moving process, the approach has however taken long to catch on

1. Mold readying.
A fixed amount of polymer in powder form is loaded into a hollow mold. The mould is usually comprised of cast aluminium or sheet steel substance. The color chosen for the end product 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 type of plastic assembly.

Preheating 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 mould with the powdered polymer is then locked and placed inside the oven.

2. The heating and fusion procedure.
Once within the oven, the mould is rotated on two axis so the powdered polymer liquefies from the heat and overlays the inside if the mold. The turning is done slowly, about 20 revolutions per sixty seconds. Something that is essential at this moment is the amount of time the mold will spend within the oven. If it stays to long, the component will lose stability and strength, producing a faulty item. If it is extracted from the oven too early, the polymer will not have melted properly, which develops bubbles in the completed product line.

3. Mould cooling down.
When the component has sufficiently spent the right amount of time in the oven, it is then removed for cooling. This can be done by air or water, or sometimes a mixture of both which creates a cool mist. When the product cools, it shrinks slightly for ease of removal from the mould. This is an additional procedure that depends a lot on the right timing, since quick cooling decreases the material too rapidly, causing warping of the material.

4. The un-loading or de-molding step.
Once the product inside te mould has cooled correctly, the person handling the operation can then remove the finalized item from the mould. The procedure is repeated from the start, making a series of similar product lines.

For more information on the different rotational molding options offered for the Newton GA 31770 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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