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How much does it cost to make a small injection mold

Cost to make a small injection mold for a small plastic injection molding machine is between $400 and $1000.

Small injection molding Machines have a smaller tei bar distance and lower injection weight. Small injection molding Machines are used for precision plastic molding and are widely used in various industries, such as laboratory preparation, medical components, fine technical components, etc.

The design and manufacturing of small injection molding molds is a complex and intricate process that requires consideration of multiple factors and steps.

Haichen mini plastic machine

Small injection mold design

small injection mold
small injection mold

small injection mold design is the core part of the entire process, and the following aspects need to be considered:
Mold opening direction and parting line: Determine the mold opening direction and parting line to reduce the core pulling slider mechanism and eliminate the influence of the parting line on the appearance.
Mold structure: including molding components, pouring system, guiding components, and ejection mechanism.
Material selection: Ensure the material can withstand the heat and pressure applied during plastic injection.
Mold size: depending on the client’s requirement.

Small injection mold manufacturing

Small injection mold manufacturing involves multiple steps:
CNC machining: Develop CNC programs based on the machining conditions of each component and perform mechanical machining.
EDM machining: used for processing molds with complex shapes.
Wire cutting processing: used for precision machining.

Small injection mold inspection and testing

After the completion of mold manufacturing, mold inspection, and testing are required to ensure that the accuracy and functionality of the mold meet the design requirements.

Small injection mold modification and repair

Based on the trial mold results, it may be necessary to modify and repair the mold to address the identified issues.

Small injection mold maintenance

The mold needs regular maintenance during use to extend its service life.

Small injection mold precautions for mold design

When designing small injection molding machine molds, the following points should also be noted:
Demoulding slope
Mold strength
Mold temperature control

Small injection mold  application

Small injection molding machine molds can be applied to the production of various small parts, such as shaft sleeves. These molds usually operate in automatic mode to improve production efficiency.

In terms of technological progress, the injection mold industry is undergoing significant technological innovations.

The Chinese injection mold industry has shown a positive development trend in terms of market expansion, technological progress, increased market demand, and optimized competitive landscape. In the coming years, with the continuous advancement of technology and the sustained growth of market demand, China’s injection mold industry will continue to maintain stable growth and occupy an important position in the international market.

Injection mold cost

The cost of a mold for a small injection molding machine depends on several factors, including the size and complexity of the part, the material used for the mold, the number of cavities, and the geographic location of the manufacturer.

Factors Affecting Mold Cost for Small Injection Molding Machines

Small Injection Molding Machine Advantages

  • Part Complexity:

Simple parts (e.g., flat or basic shapes) are less expensive to mold.

Complex parts (e.g., intricate geometries, undercuts, or tight tolerances) increase mold costs.

  • Mold Material:

Aluminum: Lower cost, suitable for prototyping or low-volume production (1,000 – 5,000 shots).

Steel (P20, H13, etc.): Higher cost, used for high-volume production (50,000+ shots).

  • Mold Size:

Small molds (for parts weighing a few grams to a few hundred grams) are generally less expensive than larger molds.

  • Number of Cavities:

Single-cavity molds are cheaper than multi-cavity molds, which allow multiple parts to be produced in one cycle.

  • Surface Finish:

Standard finishes are less expensive, while high-gloss or textured finishes increase costs.

  • Tolerances and Precision:

Tighter tolerances and higher precision requirements increase machining costs.

  • Mold Lifespan:

Prototype molds (low-volume, short lifespan) are cheaper than production molds (high-volume, long lifespan).

Haichen small injection  molding machine supplier

Small Injection Molding Machine Advantages

Haichen is a reputable supplier and manufacturer of injection molding machines, including small injection molding machines. Based in China, Haichen is known for producing high-quality, reliable, and cost-effective machinery for a wide range of industrial applications.

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