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

rotational moulding-Mckenzie-Rotational moulding refers to a plastic manufacturing method that produces hollow stress-free items. The technique relies upon high temperatures and bi axial rotation to follow up with seamless, one piece objects that have various shapes, sizes and colors. This procedure is also called rotomoulding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl forms.

The attribute that makes this different from other plastic manufacturing procedures 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 range of products that are generated by this process including large size water tanks, automobile items, sophisticated designed medical products, leisure equipment, toys, canoes, commercial equipment among many others.This is because of the flexibility in terms of design 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 Mckenzie ND 58553, 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 rotocasting 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 Molded-Mckenzie-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 North Dakota 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 Mckenzie North Dakota 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 Procedure Components

This molding method has been used since early times for creatingvseverl items. Egyptians for instance, utilized rotational molding solutions in the producing of ceramics. The Swiss were also applying this rotation format to create hollow chocolate eggs. Some plastic items in the USA were developed utilizing this procedure some time between 1940 and 1950. Since it was looked at to be a relatively slow approach, the system has however taken long to become popular

1. Mold readying.
A predetermined volume of polymer in particle form is filled into a hollow mould. The mould is usually built from cast aluminium or sheet steel substance. The color wanted for the end goods 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 production.

Pre-heating of the oven follows, 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 sealed and positioned inside the oven.

2. The heating and fusion phase.
Once placed into the oven, the mould is turned on two axis so the powdered polymer melts from the heat and layers the inside if the mould. The spinning is done slowly, about 20 spins per sixty seconds. Something that is vital at this point is the period of time the mould will spend inside the oven. If it stays to long, the material will lose value and durability, generating a poor item. If it is removed from the oven prematurely, the polymer will not have flowed correctly, which generates bubbles in the completed item.

3. Mold cooling down.
When the component has sufficiently 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 generates a cool mist. When the component cools, it shrinks slightly for ease of removal from the mould. This is yet another step that depends a lot on the right timing, since rapid cooling decreases the material too rapidly, causing bending of the product.

4. The unloading or de-moulding phase.
Once the material within te mould has cooled adequately, the molder handling the procedure can then extract the finished product from the mould. The function is repeated from the start, supplying a series of similar product lines.

For more information on the different rotational rotomolding options offered for the Mckenzie ND 58553 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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