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

roto-molding-Lucas-Rotational moulding refers to a plastic manufacturing solution that makes hollow stress-free product lines. The function relies upon high temperatures and bi axial rotation to follow up with seamless, one piece items that have a wide range of shapes, sizes and colors. This method is also referred to as roto-molding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl forms.

The feature that makes this different from other plastic manufacturing processes because no pressure is needed. It also has few rivals when it involves the creation of large hollow products which are long lasting and inexpensive.There is a wide range of products that are developed by this process including large size water tanks, automobile items, complex molded medical items, leisure equipment, toys, kayaks, commercial equipment among many others.This is because of the versatility in terms of style 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 Lucas OH 44843, 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 roto-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-Lucas-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 Lucas 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 Rotomoulding Method Components

This moulding system has been used since earlier times for creatingvseverl products. Egyptians for instance, used rotocasting techniques in the producing of ceramics. The Swiss were also employing this rotation type to make hollow chocolate eggs. Some plastic product lines in the USA were developed using this technique some time between 1940 and 1950. Since it was looked at to be a rather slow-moving process, the technique has however taken long to catch on

1. Mold readying.
A predetermined quantity of polymer in powder form is loaded into a hollow mould. The mold is usually crafted from cast aluminium or sheet steel component. The color tone chosen 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 design of plastic production.

Pre-heating of the oven follows, and it may be done by either conduction, convection or sometimes radiation. It is heated to temperatures between 500-700F. The mold with the powdered polymer is then locked and positioned into the oven.

2. The heat and fusion procedure.
Once placed into the oven, the mould is turned on two axis so the powdered polymer liquefies from the heat and coats the inside if the mould. The turning is done slowly and gradually, about 20 revolutions per min. Something that is critical at this moment is the period of time the mold will spend within the oven. If it stays to long, the material will lose stability and strength, making a poor product. If it is extracted from the oven too early, the polymer will not have melted correctly, which develops bubbles in the completed product.

3. Mold cooling.
When the product has sufficiently 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 a cool mist. When the component cools, it shrinks somewhat for ease of extraction from the mould. This is one more step that depends a lot on the correct timing, since quick cooling reduces the material too rapidly, causing bending of the item.

4. The unloading or de-molding step.
When the product inside te mold has cooled successfully, the molder managing the operation can then remove the finalized product from the mould. The process is repeated from the beginning, making a series of exact items.

For more information on the different rotational molding options offered for the Lucas OH 44843, please call our toll free number  866-971-7861 or fill out the form on the right for a consultation!

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