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

rotational moulding-Vidor-Rotational moulding pertains to a plastic manufacturing method that produces hollow stress-free products. The procedure utilizes high temperatures and bi axial rotation to follow up with seamless, one piece items that have many different designs, sizes and colors. This technique is also known as roto-molding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl styles.

The function that makes this unique from other plastic manufacturing procedures because no pressure is called for. It also has few competitors when it comes down to the production of large size hollow items which are durable and inexpensive.There is a variety of items that are produced by this process including large size water tanks, automobile products, intricate molded medical products, leisure equipment, toys, canoes, industrialized equipment among many others.This is because of the flexibility in terms of type 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 Vidor TX 77662, 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-Vidor-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 Texas 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 Vidor Texas 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 Procedure Components

This molding procedure has been used since early times for creatingvseverl product lines. Egyptians for example, utilized rotomoulding methods in the creating of ceramics. The Swiss were also employing this rotation format to generate hollow chocolate eggs. Some plastic items in the USA were made using this approach some time between 1940 and 1950. Considering that it was regarded to be a somewhat slow process, the procedure has however taken long to become popular

1. Mould fitting.
A predetermined quantity of polymer in grain form is packed into a hollow mold. The mould is usually composeded of cast aluminium or sheet steel substance. The coloring needed for the end 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 design of plastic manufacturing.

Pre-heating of the oven starts, 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 secured and put into the oven.

2. The heat and fusion step.
Once inside the oven, the mold is spun on two axis so the powdered polymer liquefies from the heat and overlays the inside if the mould. The rotation is done slowly and gradually, about 20 spins per minute. Something that is essential at this moment is the period of time the mould will spend within the oven. If it overstays, the material will lose value and strength, creating a weak item. If it is removed from the oven prematurely, the polymer will not have flowed correctly, which produces bubbles in the finalized product.

3. Mould cooling down.
When the material has sufficiently spent the right 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 a little for ease of removal from the mold. This is one more procedure that relies a lot on the ideal timing, since quick cooling reduces the material too quick, causing bending of the material.

4. The offloading or de-moulding phase.
When the material inside te mold has cooled correctly, the molder managing the procedure can then extract the finished product from the mould. The technique is repeated from the start, providing a series of similar products.

For more information on the different rotational rotomolding options offered for the Vidor TX 77662 area, please call our toll free number  866-971-7861 or fill out the form on the right for a consultation!

Other areas we service, go here to custom molded

Local Resources

Production Example
Google Map