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

rotational moulding-Wakita-Rotational molding pertains to a plastic production method that makes hollow stress-free items. The function depends on high temperatures and bi axial rotation to follow up with seamless, one piece products that have several forms, colors and sizes. This procedure is also known as rotomolding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl types.

The feature that makes this unique from other plastic manufacturing techniques because no pressure is required. It also has few contenders when it comes down to the creation of sizable hollow products which are durable and inexpensive.There is a wide variety of product lines that are generated by this process including large size water tanks, automobile products, sophisticated designed medical products, recreation equipment, toys, kayaks, industrial equipment among many others.This is due to the versatility in terms of design and shapes that the process develops

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Wakita OK 73771, 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 Molding-Wakita-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 Oklahoma 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 Wakita Oklahoma 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 technique has been used since early times for creatingvseverl products. Egyptians as an example, worked with roto-molding methods in the making of ceramics. The Swiss were also using this rotation format to make hollow chocolate eggs. Some plastic products in the USA were created utilizing this method some time between 1940 and 1950. The system has however taken very long to take affect because it was considered to be a somewhat slow process

1. Mould prep work.
A predetermined volume of polymer in powder form is packed into a hollow mould. The mould is usually built from cast aluminium or sheet steel material. The color tone needed for the finished product 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 type of plastic manufacturing.

Preheating of the oven starts, 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 secured and placed into the oven.

2. The heat and fusion step.
Once placed into the oven, the mould is turned 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 sixty seconds. One thing that is important at this point is the period of time the mold will spend within the oven. If it stays to long, the material will lose stability and strength, generating a weak product. If it is taken out from the oven too early, the polymer will not have flowed properly, which creates bubbles in the completed product line.

3. Mold cooling down.
When the product has sufficiently 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 a cool mist. When the material cools, it reduces somewhat for ease of removal from the mold. This is another procedure that depends upon a lot on the right timing, since quick cooling shrinks the material too fast, causing warping of the item.

4. The discharging or de-molding phase.
When the product inside te mold has cooled correctly, the molder taking care of the operation can then extract the finished product from the mould. The function is repeated from the start, giving a series of exact items.

For more information on the different rotational rotomolding options offered for the Wakita OK 73771 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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