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

rotational molding-Jacksonville-Rotational moulding refers to a plastic production practice that generates hollow stress-free products. The function depends on high temperatures and bi axial rotation to come up with seamless, one piece objects that have a wide range of designs, 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 different from other plastic manufacturing processes that no pressure is called for. It also has few rivals when it pertains to the creation of large hollow items which are long lasting and inexpensive.There is a wide variety of products that are created by this process including large size water tanks, automobile items, intricate molded medical items, leisure equipment, toys, kayaks, industrialized equipment among many others.This is because of the flexibility in terms of style and shapes that the process develops

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Jacksonville TX 75766, 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

Custom Molding-Jacksonville-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 Jacksonville 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 Roto-Molding Process in Detail

This moulding system has been used since earlier times for creatingvseverl items. Egyptians for example, employed rotomoulding procedures in the creating of ceramics. The Swiss were also using this rotation type to make hollow chocolate eggs. Some plastic products in the USA were manufactured utilizing this method some time between 1940 and 1950. The procedure has however taken very long to catch on because it was thought of to be a pretty slow process

1. Mold preparation.
A fixed volume of polymer in powder form is filled into a hollow mould. The mould is usually composeded of cast aluminium or sheet steel component. The coloring wanted for the final 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 design of plastic assembly.

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

2. The heating up and fusion process.
Once within the oven, the mold is spun on two axis so the powdered polymer liquefies from the heat and coats the inside if the mold. The rotation is done slowly, about 20 spins per min. One thing that is crucial at this moment is the period of time the mould will spend within the oven. If it overstays, the component will lose value and strength, generating a poor product. If it is taken out from the oven prematurely, the polymer will not have melted correctly, which creates bubbles in the completed product line.

3. Mold cooling.
When the component has sufficiently spent the correct amount of time in the oven, it is then extracted 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 shrinks slightly for ease of removal from the mould. This is another measure that relies a lot on the correct timing, since rapid cooling decreases the material too rapidly, causing bending of the product.

4. The offloading or de-molding step.
Once the product within te mould has cooled adequately, the molder managing the process can then remove the finished product from the mould. The technique is repeated from the beginning, supplying a series of identical products.

For more information on the different rotational rotomolding options offered for the Jacksonville TX 75766 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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