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

rotocasting-Wheatland-Rotational molding pertains to a plastic manufacturing method that generates hollow stress-free product lines. The function relies upon high temperatures and bi axial rotation to come up with seamless, one piece items that have various designs, colors and sizes. This procedure is also known as roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl types.

The feature that makes this different from other plastic manufacturing processes that no pressure is required. It also has few rivals when it involves the manufacture of sizable hollow products which are long lasting and inexpensive.There is a wide range of product lines that are generated by this process including large size water tanks, automobile items, intricate designed medical items, recreation equipment, toys, kayaks, industrialized equipment among many others.This is due to the versatility 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 Wheatland IN 47597, 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 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 Manufacturing-Wheatland-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 Indiana 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 Wheatland Indiana 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 operation has been used since early times for creatingvseverl items. Egyptians for example, used rotocasting systems in the producing of ceramics. The Swiss were also employing this rotation design to generate hollow chocolate eggs. Some plastic product lines in the USA were manufactured utilizing this technique some time between 1940 and 1950. The technique has however taken very long to take affect because it was looked at as being a moderately slow-moving process

1. Mold prep work.
A fixed volume of polymer in powder form is filled into a hollow mould. The mold is usually comprised of cast aluminium or sheet steel component. The color tone chosen for the final item is pre compounded into the polymer. The most commonly used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this style of plastic engineering.

Pre-heating 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 mold with the powdered polymer is then secured and positioned inside the oven.

2. The heating up and fusion step.
Once placed into the oven, the mold is spun on two axis so the powdered polymer melts from the heat and coats the inside if the mould. The rotation is done slowly and gradually, about 20 rotations per minute. Something that is crucial at this moment is the period of time the mould will spend inside the oven. If it stays to long, the product will lose value and strength, generating a weak product. If it is taken out from the oven too early, the polymer will not have flowed correctly, which creates bubbles in the completed product line.

3. Mould cooling.
When the material has completely spent the correct amount of time in the oven, it is then removed for cooling. This may be done by air or water, or sometimes a mixture of both which creates a cool mist. When the material cools, it reduces slightly for ease of extraction from the mold. This is an additional measure that relies a lot on the right timing, since quick cooling reduces the material too rapidly, causing warping of the item.

4. The removing or de-molding phase.
Once the material inside te mould has cooled successfully, the molder handling the process can then extract the finished product from the mold. The function is repeated from the start, providing a series of similar product lines.

For more information on the different rotational rotomolding options offered for the Wheatland IN 47597 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 plastic products

Local Resources

Production Example
Google Map