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

rotational moulding-Seneca-Rotational molding pertains to a plastic manufacturing solution that creates hollow stress-free product lines. The function depends on high temperatures and bi axial rotation to come up with seamless, one piece items that have varying forms, colors and sizes. This method is also referred to as rotomoulding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The benefit that makes this unique from other plastic manufacturing methods that no pressure is involved. It also has few contenders when it involves the production of sizable hollow products which are long-lasting and inexpensive.There is a wide variety of product lines that are generated by this process including big water tanks, automobile items, sophisticated shaped medical products, recreation equipment, toys, canoes, industrial equipment among many others.This is due to the flexibility in terms of design and shapes that the process manufactures

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Seneca KS 66538, 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 Molding-Seneca-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 Kansas 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 Seneca Kansas 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 Method Components

This moulding method has been used since ancient times for creatingvseverl items. Egyptians for example, worked with rotomoulding systems in the manufacturing of ceramics. The Swiss were also applying this rotation type to create hollow chocolate eggs. Some plastic products in the USA were made utilizing this technique some time between 1940 and 1950. Considering that it was looked at to be a very slow technique, the process has however taken long to become popular

1. Mould prep work.
A fixed measure of polymer in powder form is loaded into a hollow mold. The mould is usually made of cast aluminium or sheet steel material. The coloring needed for the end 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 engineering.

Preheating of the oven starts, 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 secured and installed within the oven.

2. The heat and fusion procedure.
Once inside the oven, the mould is spun on two axis so the powdered polymer melts from the heat and layers the inside if the mold. The rotation is done slowly, about 20 rotations per sixty seconds. Something that is crucial at this moment is the amount of time the mould will spend inside the oven. If it overstays, the product will lose value and durability, producing a weak item. If it is extracted from the oven too early, the polymer will not have flowed correctly, which develops bubbles in the finished item.

3. Mold cooling down.
When the material has completely 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 material cools, it reduces slightly for ease of removal from the mould. This is an additional step that depends upon a lot on the ideal timing, since quick cooling shrinks the material too fast, causing bending of the item.

4. The offloading or de-molding phase.
Once the component inside te mold has cooled successfully, the person managing the operation can then remove the finished product from the mould. The technique is repeated from the beginning, providing a series of identical product lines.

For more information on the different rotational rotomolding options offered for the Seneca KS 66538 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