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

rotomoulding-Haleyville-Rotational moulding refers to a plastic manufacturing solution that creates hollow stress-free items. The procedure depends on high temperatures and bi axial rotation to come up with seamless, one piece products that have different forms, colors and sizes. This procedure is also called rotomoulding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The function that makes this unique from other plastic manufacturing processes that no pressure is required. It also has few rivals when it involves the creation of sizable hollow products which are resilient and inexpensive.There is a wide range of products that are generated by this process including large water tanks, automobile materials, complex shaped medical items, leisure equipment, toys, canoes, commercial equipment among many others.This is because of the versatility in regards to style and shapes that the process makes

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Haleyville AL 35565, 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 rotomolding 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-Haleyville-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 Alabama 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 Haleyville Alabama 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 procedure has been used since ancient times for creatingvseverl product lines. Egyptians as an example, employed rotational molding methods in the creating of ceramics. The Swiss were also utilizing this rotation style to generate hollow chocolate eggs. Some plastic product lines in the USA were developed using this technique some time between 1940 and 1950. Since it was viewed to be a somewhat slow procedure, the process has however taken long to become popular

1. Mould prep work.
A predetermined volume of polymer in particle form is loaded into a hollow mold. The mould is usually constructed from cast aluminium or sheet steel component. The coloration wanted for the finished goods is pre compounded into the polymer. The most often used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this type of plastic production.

Preheating of the oven follows, and it may 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 sealed and inserted inside the oven.

2. The heating up and fusion step.
Once within the oven, the mold is turned on two axis so the powdered polymer liquefies from the heat and layers the inside if the mold. The rotation is done gradually, about 20 spins per sixty seconds. Something that is crucial at this point is the period of time the mold will spend inside the oven. If it overstays, the component will lose stability and strength, creating a faulty product. If it is removed from the oven too early, the polymer will not have liquefied properly, which produces bubbles in the finished product line.

3. Mold cooling.
When the product has sufficiently spent the enough of time in the oven, it is then taken out for cooling. This may be done by air or water, or sometimes a mixture of both which generates a cool mist. When the component cools, it reduces slightly for ease of extraction from the mold. This is an additional measure that relies a lot on the right timing, since quick cooling decreases the material too quickly, causing warping of the item.

4. The removing or de-molding phase.
As soon as the material within te mold has cooled correctly, the molder managing the procedure can then extract the finalized product from the mould. The technique is repeated from the start, making a series of identical items.

For more information on the different rotational rotomolding options offered for the Haleyville AL 35565 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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