What are plastic t molding manufacturing steps? Easy Guide 2021

Sep 12, 2021

Each plastic product has a plastic t molding, the size and texture of the mold depends on the size and shape of the product.?In this article, we take a closer look at manufacturing plastic injection molds.

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What is plastic t molding?

Nowadays, the concept of plastic t molding?has become quite familiar to people in the mold industry, or even to those who use the product, they understand that all plastic products are molded and pressed from plastic molds.

A plastic injection mold is a component assembly consisting of many parts assembled together, where liquid plastic is injected into it and then cooled, forming the shape of the product and being pushed out of the mold.

Uses of plastic molding.

In the structure of a machine system to produce plastic products, the plastic injection mold is an extremely important device.?For the plastic t molding?to work effectively; create a plastic product of good quality. It must meet the standards for a standard technical structure.

Plastic t molding design

The plastic injection mold design must be up to the details of the mold including the design of the mold shell, the mold core, the mold core details, the mold components.?From these detailed designs, a complete design of the mold will be formed.

The requirements of the design must provide the viewer with full details of the projection angles, sections, dimensions, tolerances, and technical requirements of each item to be manufactured. Moreover, the product (plastic t molding) design must be very beautiful

Details on t molding

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The mold details include mold shell plates, mold cores, mold core details, mold components to form a set of molds.?Therefore, the fabrication drawing must provide the viewer with full details of the projection angles, sections, dimensions, tolerances, and technical requirements of each item to be processed.

How to make and produce plastic molds?

To manufacture and produce a precise plastic mold according to technical standards with an accuracy of 1/100 mm, the mold must be manufactured according to the required standards. First, it is necessary to pay attention to the material that makes up the mold.?

The main material common to make the plastic t molding?is different types of steel with high strength. Also has good bearing capacity when put into continuous pressing to mold plastic products. Technical experts will put steel blocks into milling, cutting into standard sized metal parts.?

Milling and trimming stage in plastic t molding

This milling and trimming stage is very important because it will process standard mold parts with high precision. Mold manufacturing always consists of 2 halves, one half has many parts and components, people punch holes at precise points on half of the steel mold.

So that, the upper bar fits exactly into the hole, keeping the 2 halves matched. together when pouring plastic. After the steel block is forming the mold, it will be put into roughening surface roughening to perform the processing step to turn the steel block into a plastic t molding.

An insight on CNC; computer-controlled machine

Another type of machine controlled from a computer called CNC will slowly grind the steel block to shape each part.?This CNC machine is also responsible for making copper electrodes shaped like the plastic part that we want to produce to make micro-parts with a slide tool.

After the copper electrode has been smoothed, the electrode will be brought down to contact the machine below for electrolysis.?The bottom half is the other half of the mold that is shaped and punched as described in the first step.?Electric current is passed in electrode and imprinted on the die

Engraving letter on surface of plastic t molding

After the plastic t molding?is finished processing, the surface of the print is still rough, it will have to do another step to polish the mold. The gloss of the mold will help to produce smooth plastic products. Currently, plastic products are often printed with labels right on the surface of the product,

?So, the mold making process will take one more step, it is necessary to engrave inverted letters in the mold cavity.?After the plastic product is molded, the inverted words in the mold will become real words and float on the surface of the product.

Steel type with quality affects plastic injection mold performance

The process of creating a set of plastic t molding?from design, assembly, inspection, and repair to entering the plastic injection cycle has many details. That are worked together.?Attention should be paid to the selection of steel with appropriate quality.

So as not to adversely affect the performance of the plastic injection mold. Steel type and quality determine the degree of rust and wear during use and storage.?Various steels can be common to make individual parts on one die such as SKD11 steel, SKD61 steel.

Considerations for plastic t molding

When choosing tool steel, it is necessary to base on the following points:

  • First, choose a steel that is resistant to corrosion and good polishing
  • Second, select the most optimal steel based on the price and quality of steel
  • Also, nitrogen treatment on steel surfaces contributes to increased hardness and surface life
  • Moreover, use electroplating to change the performance of plastic t molding (steel)
  • Above all, choose a steel type and a reputable and quality steel material supplier

Design stage affects plastic injection mold performance

Accurate idea of ??mold shape and size is given based on 2D and 3D designs.?The final plastic injection mold design is created when the preliminary design is reviewed. And approved using a construction tool.?Tool design uses specifications to create molds after the final adjustment is made.?

Plastic injection mold design is based on the material properties of the product: loss rate, forming temperature and many other factors. The design of the cooling system in the plastic t molding?is extremely important. It is the basis for increasing the injection molding cycle of the mold.?

Impacts of increasing temperature of plastic t molding

Speeding up the cycle will increase the temperature in the mold.?The cooling system effectively controls the mold temperature as the pressing cycle increases. It avoids deformation and damage of the mold and ensuring the quality of the finished product.

Plastic injection mold processing

  1. First, optimal design increase mold working time, improve production efficiency and cut costs.
  2. Second, process affects the performance of the plastic injection mold and is directly affected
  3. Also,plastic t molding?depends on the skill, experience, and care of the machine operator.
  4. Moreover, if machine operator makes even a smaller mistake; it causes great trouble
  5. Thus, it causes complete damage and not being able to repair those details

Advantage of advanced plastic t molding

A mold manufacturing unit with good expertise and experience will well limit the negative impacts on the quality of plastic molds:

  1. Firstly, rust
  2. Furthermore, mold life
  3. Lastly, breakage during injection molding processing

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