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

rotational moulding-Waterville-Rotational moulding pertains to a plastic manufacturing procedure that produces hollow stress-free products. The procedure relies upon high temperatures and bi axial rotation to come up with seamless, one piece items that have different forms, sizes and colors. This technique 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 different from other plastic manufacturing methods because no pressure is called for. It also has few rivals when it comes down to the creation of large size hollow products which are durable and inexpensive.There is a wide variety of products that are generated by this process including big water tanks, automobile items, sophisticated designed medical items, recreation equipment, toys, kayaks, commercial equipment among many others.This is due to the versatility in terms of type and forms that the process manufactures

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Waterville OH 43566, 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 rotomoulding 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 Products-Waterville-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 Ohio 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 Waterville Ohio 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 Rotomolding Procedure Components

This moulding technique has been used since early times for creatingvseverl items. Egyptians for example, utilized roto-molding methods in the producing of ceramics. The Swiss were also using this rotation style to make hollow chocolate eggs. Some plastic items in the USA were made utilizing this procedure some time between 1940 and 1950. The system has however taken long to catch on because it was thought of as being a somewhat slow-moving process

1. Mould prep work.
A fixed volume of polymer in grain form is filled into a hollow mould. The mold is usually composeded of cast aluminium or sheet steel component. The coloration wanted for the final 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 engineering.

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

2. The heat and fusion process.
Once within the oven, the mould is rotated on two axis so the powdered polymer melts from the heat and overlays the inside if the mould. The spinning is done slowly, about 20 revolutions per sixty seconds. Something that is crucial at this point is the period of time the mould will spend inside the oven. If it overstays, the component will lose value and durability, generating a poor product. If it is taken out from the oven prematurely, the polymer will not have liquefied properly, which creates bubbles in the finished product line.

3. Mould cooling down.
When the component has completely 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 reduces somewhat for ease of removal from the mold. This is another procedure that relies a lot on the ideal timing, since rapid cooling shrinks the material too fast, causing bending of the material.

4. The removing or de-moulding phase.
As soon as the component inside te mould has cooled successfully, the molder managing the operation can then take out the completed item from the mold. The function is repeated from the start, supplying a series of similar product lines.

For more information on the different rotational molding options offered for the Waterville OH 43566, 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 manufacturing

Local Resources

Process Example
Google Map