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

rotational molding-Gerlach-Rotational molding refers to a plastic manufacturing method that makes hollow stress-free items. The process depends on high temperatures and bi axial rotation to follow up with seamless, one piece objects that have different shapes, colors and sizes. This method is also called rotomolding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl forms.

The feature that makes this unique from other plastic manufacturing processes because no pressure is involved. It also has few contenders when it comes to the production of sizable hollow products which are long lasting and inexpensive.There is a variety of products that are created by this process including large size water tanks, automobile materials, sophisticated designed medical products, recreation equipment, toys, canoes, commercial equipment among many others.This is because of the versatility in regards to style and shapes that the process creates

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Gerlach NV 89412, 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

Plastic Manufacturing-Gerlach-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 Nevada 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 Gerlach Nevada 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 in Detail

This moulding process has been used since early times for creatingvseverl product lines. Egyptians for instance, worked with roto-molding systems in the producing of ceramics. The Swiss were also working with this rotation approach to make hollow chocolate eggs. Some plastic product lines in the USA were developed utilizing this approach some time between 1940 and 1950. The process has however taken very long to take affect because it was considered as being a very slow process

1. Mold readying.
A predetermined volume of polymer in grain form is loaded into a hollow mold. The mould is usually crafted from cast aluminium or sheet steel material. The color desired for the finished product is pre compounded into the polymer. The most commonly used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this type of plastic engineering.

Pre-heating of the oven follows, and it may 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 put into the oven.

2. The heating and fusion procedure.
Once placed into the oven, the mold is rotated on two axis so the powdered polymer liquefies from the heat and layers the inside if the mold. The turning is done slowly and gradually, about 20 rotations per minute. One thing that is essential at this point is the period of time the mould will spend inside the oven. If it overstays, the material will lose value and strength, creating a poor item. If it is removed from the oven too early, the polymer will not have melted correctly, which develops bubbles in the finalized item.

3. Mold cooling.
When the product has sufficiently spent the correct amount of time in the oven, it is then extracted for cooling. This may be done by air or water, or sometimes a mixture of both which generates a cool mist. When the material cools, it shrinks somewhat for ease of removal from the mould. This is yet another measure that relies a lot on the right timing, since rapid cooling reduces the material too quickly, causing bending of the item.

4. The removing or de-moulding phase.
When the material within te mould has cooled correctly, the molder handling the process can then extract the finished product from the mold. The function is repeated from the beginning, making a number of similar products.

For more information on the different rotational rotomolding options offered for the Gerlach NV 89412 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