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Automotive Injection Molding - Machine Selection Guide

Climate change and environmental sustainability are becoming highly important, and all automakers are moving to electric vehicles to support the global sustainability goals. Injection Molding that enhances vehicle’s light-weight now is a dominant production method for manufacturing plastic parts and components in the automotive industry. As a supply chain company, TKC Machinery is seeing an increase in orders for EV parts. In this article, we will discuss the selection guidelines to Injection Molding Machines for high precise and quality automotive parts.


How to Select Vertical Injection Molding Machines for Automotive Parts?

  • Understanding Types of Injection Molding Machines

    Injection Molding Machines are classified mainly by the type of driving system they use: hydraulic, electric, and hybrid. What is the difference and which one is the best fit for automotive injection molding? Each of them has unique benefits and drawbacks. Take a look at the feature comparison below. It will help you make the right selection for auto part projects.

    Hydraulic Injection Molding Electric Injection Molding Hybrid Injection Molding
    Power by Induction Moto + Hydraulic Pump Servo Motors Servo Motors + Hydraulic Pump
    Energy-saving Normal Best Higher
    Initial Purchase Price Lower Higher Higher
    Clean Operation Normal Better Better
    Accurancy Lower Higher Higher
    Clamp Force for Large Parts Highest Lower Higher
    Injection Rate Best Normal Better
    Shot Size Larger Small Normal
    Quieter Operation Noisier Quieter Normal
    Labor Cost Higher Lower Lower
    Oil Containation Higher Risk No Risk Lower Risk
    Scrap Rate Higher Lower Lower



  • Trends of Injection Molding Machine Designs

    The supply chain of the automotive industry is one of the contributors to carbon emissions. Automakers worldwide are making strides to decarbonize their supply changes while maintaining a thriving business. The push for all-electronic injection molding machines is strong, which is the most energy-saving process among the 3 main types of injection molding machines. There are 3 reasons that you may consider upgrading to electric injection molding machines :

    1. Low energy consumption

      : Energy saving is the biggest advantage of electric molding machines. The servo motor not only improves the efficiency but also improves the energy utilization rate.

    2. High efficiency

      : Unlike hydraulic or hybrid injection molding machines, all-electric injection molding machines are very quiet while running and you will have no oil, less maintenance, and more accuracy, which makes for extreme reliability.

    3. High precision

      : Electric injection molding machines have quick response times and excellent stability and control of the machine. This means they are especially suited for the precision molding requirements for EV parts.
    injection molding machine for automotiveinjection molding machine for automotive parts


Case Studies of Injection Molded Auto Parts for the EV Industry: Motor Rotor and Motor Stator Components

In addition to batteries and power electronics, electric motors and starter motors are the driving force behind electric vehicles. Electric motors and starter motors are critical components within the drivetrain. Precision, top-quality plastic injection molded components for electric and starter motors now play a much more important role than before. An OEM electric powertrain and industrial motor manufacturer for EV’s trusted TKC and ordered a custom injection molding machine for making parts for rotors and stators. Our fast response support services team found cost-effective ways to help our customer reach their goals! This successful effort received positive feedback from the customer, which resulted in repeat orders !

vertical injection molding machine for automotive


Pioneer of Vertical Injection Molding Machines

The automotive industry is a dynamic business environment with new technologies being introduced in the market almost every day. To remain competitive, many OEM automakers are discovering the benefits of using a trusted manufacturing support company to shorten development cycle times, implement the customers' individuality, while incorporating sustainability, safety, and smart technologies. TKC Machinery is the pioneer of vertical injection molding machines. We were the first in the world to design and manufacture the 1st all-electric vertical injection molding machine for Taiwan and China. TKC works with a wide range of plastic injection materials and molded parts. TKC also offers complete after-service and troubleshooting services. As an automotive vertical insert molding expert, Our experienced team shares the in-depth knowledge to help automotive OEMs to select the best plastic materials, machines and molds to enhance performance and meet budgetary goals. This essential service is an absolute must when designing and manufacturing complex components for EVs for the automotive industry.


Please contact us today for a free consultation. Please check out our product page to learn more about vertical injection molding machines. Or you can follow us on our social media channels Taiwan Kinki YouTube Channel.

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