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

rotomolding-Kinsale-Rotational molding refers to a plastic production practice that produces hollow stress-free items. The procedure relies on high temperatures and bi axial rotation to follow up with seamless, one piece objects that have varying shapes, colors and sizes. This technique is also known as rotomolding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl forms.

The benefit that makes this different from other plastic manufacturing processes that no pressure is called for. It also has few rivals when it comes to the production of large size hollow products which are durable and inexpensive.There is a variety of items that are produced by this process including large size water tanks, automobile materials, sophisticated molded medical items, leisure equipment, toys, canoes, industrial equipment among many others.This is because of the flexibility in regards to type 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 Kinsale VA 22488, 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 roto-molding 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-Kinsale-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 Virginia 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 Kinsale Virginia 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 moulding operation has been used since early times for creatingvseverl product lines. Egyptians for example, applied roto-molding solutions in the producing of ceramics. The Swiss were also applying this rotation approach to make hollow chocolate eggs. Some plastic products in the USA were developed using this procedure some time between 1940 and 1950. Since it was considered to be a basically slow-moving system, the process has however taken long to catch on

1. Mould readying.
A fixed measure of polymer in grain form is packed into a hollow mold. The mould is usually composeded of cast aluminium or sheet steel material. The colour wanted for the end goods 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.

Pre-heating 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 mould with the powdered polymer is then locked and positioned within the oven.

2. The heat and fusion phase.
Once inside the oven, the mould is spun on two axis so the powdered polymer melts from the heat and coats the inside if the mold. The turning is done slowly, about 20 spins per min. Something that is essential at this moment is the amount of time the mold will spend within the oven. If it overstays, the material will lose stability and strength, making a weak product. If it is extracted from the oven too early, the polymer will not have liquefied correctly, which develops bubbles in the completed item.

3. Mould cooling down.
When the product has completely spent the enough 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 generates a cool mist. When the product cools, it reduces somewhat for ease of extraction from the mold. This is an additional procedure that depends upon a lot on the correct timing, since rapid cooling decreases the material too quick, causing warping of the product.

4. The offloading or de-molding step.
As soon as the product within te mould has cooled correctly, the molder taking care of the operation can then remove the finalized item from the mould. The function is repeated from the start, supplying a number of exact products.

For more information on the different rotational rotomolding options offered for the Kinsale VA 22488 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