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the pros and cons of the 3 primary rubber molding production methods

by:YESHINE     2020-06-09
Customized rubber molding products have many uses in a wide range of applications.
In fact, it is difficult to imagine an industrial or manufacturing environment that does not use these products to some extent.
For example, the automotive industry uses many custom rubber parts when producing new cars.
The way these components are produced depends largely on many factors, including how they are used and the costs associated with production.
There are three main production methods for rubber molding products: 1.
Compression molding is the oldest and simplest rubber molding process available.
Through this process, an uncured rubber \"plug\" is placed in the cavity between the two plates and then pressed together. (
The cavity between the two plates is in the desired shape of the final product).
The pressure is applied to two plates, which force the uncured rubber to conform to the shape of the cavity.
The mold remains closed before the rubber curing and process is completed.
Compression molds are the easiest to create and therefore the most economical to use.
However, the production of rubber molding products in this way is a manual process that requires more time and effort to complete.
Of the three production methods, compression molding also produces the most inconsistent results, and the rubber is cured for the longest time. 2.
By transfer molding, uncured rubber plugs are placed in the chamber above the custom cavity of the mold.
The pressure is then applied directly to this Chamber, trying to force the rubber by means of a small opening called \"gate.
And Rubber through (\"transfers\")
Fill those openings in the cavity.
Once completed, the rubber will remain in the mold until it is fully cured.
Due to the heat generated during the transfer process, the transfer molding provides a faster curing time than the compression method.
In addition, since the mold remains closed throughout the process, the less excess material that can ooze out, the less waste material.
In terms of consistency, this process provides better results than compression molding.
On the other hand, the design of these molds is more complicated, and higher price labels need to be carried in production. 3.
Injection molding is the most complex way to produce rubber molding products and produce the most consistent results.
By this method, uncured rubber is injected into the mold through a series of small openings.
This method is completely automated using accurate raw materials.
By injection molding, the cavity plate remains closed throughout the process, thus limiting the number of excess rubber that can be removed from the cavity.
This in turn limits the number of excess flashes produced.
However, the injection mold is the most complex and expensive option.
Each rubber molding production method is more suitable for certain applications than others.
This is due to the inherent strengths and weaknesses associated with each process.
Like most things, there is a clear relationship between cost and quality, and the highest is
Alternative price (
Injection molding)
Produce the most consistent and consistent results.
Not all work, however, requires this level of sophistication and precision.
In this case, it is not accurate but the cost is higher
Effective choices are worth exploring.
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