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

rotational molding-Dillon-Rotational molding refers to a plastic production procedure that creates hollow stress-free items. The process relies upon high temperatures and bi axial rotation to follow up with seamless, one piece objects that have varying shapes, 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 styles.

The attribute that makes this different from other plastic manufacturing procedures that no pressure is needed. It also has few rivals when it involves the creation of sizable hollow products which are long lasting and inexpensive.There is a wide variety of product lines that are produced by this process including large size water tanks, automobile materials, complex designed medical items, recreation equipment, toys, canoes, industrialized equipment among many others.This is due to the versatility in terms of type and forms that the process manufactures

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Dillon SC 29536, 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-Dillon-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 South Carolina 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 Dillon South Carolina 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 in Detail

This moulding system has been used since ancient times for creatingvseverl product lines. Egyptians for example, applied rotocasting solutions in the making of ceramics. The Swiss were also working with this rotation design to make hollow chocolate eggs. Some plastic product lines in the USA were developed utilizing this technique some time between 1940 and 1950. The process has however taken long to take affect because it was considered as being a relatively slow-moving process

1. Mould readying.
A fixed amount of polymer in powder form is loaded into a hollow mold. The mold is usually composeded of cast aluminium or sheet steel substance. The colour chosen for the finished item 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 engineering.

Preheating of the oven follows, and it can 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 sealed and put inside the oven.

2. The heat and fusion procedure.
Once inside the oven, the mould is revolved on two axis so the powdered polymer liquefies from the heat and coats the inside if the mould. The spinning is done slowly, about 20 rotations per min. One thing that is vital at this moment is the amount of time the mold will spend inside the oven. If it overstays, the material will lose value and durability, producing a weak item. If it is extracted from the oven too early, the polymer will not have melted correctly, which generates bubbles in the completed product.

3. Mould cooling down.
When the material has completely spent the enough of time in the oven, it is then extracted for cooling. This may be done by air or water, or sometimes a mixture of both which generates a cool mist. When the material cools, it reduces slightly for ease of extraction from the mold. This is yet another measure that relies a lot on the right timing, since quick cooling decreases the material too fast, causing warping of the material.

4. The un-loading or de-moulding phase.
As soon as the product inside te mould has cooled effectively, the molder taking care of the procedure can then remove the completed product from the mold. The procedure is repeated from the beginning, giving a series of exact product lines.

For more information on the different rotational rotomolding options offered for the Dillon SC 29536 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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