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

rotational molding-Laurel-Rotational moulding refers to a plastic production method that makes hollow stress-free items. The function utilizes high temperatures and bi axial rotation to come up with seamless, one piece items that have various forms, sizes and colors. This procedure is also referred to as roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The component that makes this different from other plastic manufacturing processes in that no pressure is required. It also has few contenders when it pertains to the creation of large hollow items which are long lasting and inexpensive.There is a wide variety of product lines that are generated by this process including large size water tanks, automobile items, sophisticated molded medical items, leisure equipment, toys, kayaks, industrial equipment among many others.This is because of the versatility in regards to design 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 Laurel IA 50141, 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

Custom Molding-Laurel-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 Iowa 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 Laurel Iowa 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 Method Components

This molding technique has been used since early times for creatingvseverl products. Egyptians for example, used rotocasting methods in the creating of ceramics. The Swiss were also working with this rotation style to make hollow chocolate eggs. Some plastic product lines in the USA were developed utilizing this procedure some time between 1940 and 1950. The procedure has however taken long to take affect because it was thought of as being a rather slow process

1. Mold fitting.
A fixed volume of polymer in particle form is loaded into a hollow mold. The mould is usually comprised of cast aluminium or sheet steel material. The color tone preferred for the finished 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 style of plastic manufacturing.

Pre-heating of the oven starts, and it can be done by either conduction, convection or sometimes radiation. It is heated up to temperatures between 500-700F. The mold with the powdered polymer is then secured and inserted within the oven.

2. The heating up and fusion procedure.
Once placed into the oven, the mould is revolved on two axis so the powdered polymer liquefies from the heat and coats the inside if the mold. The turning is done slowly, about 20 revolutions per sixty seconds. One thing that is critical at this moment is the amount of time the mold will spend within the oven. If it stays to long, the material will lose value and durability, generating a weak product. If it is removed from the oven prematurely, the polymer will not have liquefied properly, which generates bubbles in the finalized product.

3. Mold cooling down.
When the material has sufficiently spent the enough 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 shrinks slightly for ease of extraction from the mold. This is one more step that relies a lot on the correct timing, since quick cooling shrinks the material too quick, causing bending of the material.

4. The offloading or de-moulding step.
As soon as the material within te mold has cooled successfully, the molder taking care of the procedure can then take out the completed item from the mold. The function is repeated from the start, supplying a number of identical product lines.

For more information on the different rotational rotomolding options offered for the Laurel IA 50141 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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