Dongguan, Guangdong, China. Tel: +8613528640058 woobin3301@gmail.com

Waimica case

Waimica Precision Gearbox Solutions for Injection Molding Automation Turntable Mold Change Platforms

2025-06-07 Waimica

Industry Challenges and Pain Points Analysis:

The turntable mold change platform is a key component in injection molding automation, particularly for high-volume production environments. These platforms typically consist of a rotating turret, mold clamping system, hydraulic or pneumatic actuators, and high-precision linear and rotary motion subsystems. With the growing trend toward faster mold changes, higher machine uptime, and stricter quality requirements, the demand for advanced transmission systems has increased significantly.

Key challenges in the industry include:

  • Transmission system reliability: High-frequency mold switching requires gearboxes that can handle continuous high torque and stress without failure.
  • Equipment stability: The platform must maintain precise angular and positional accuracy to avoid misalignment and production defects.
  • Energy efficiency: Reducing power consumption and heat generation is essential to lower operational costs and improve machine thermal stability.
  • Compact structure: Space constraints in modern injection molding cells necessitate compact and modular transmission components.

The Key Role of Gearboxes and Technical Requirements in This Industry:

In the turntable mold change platform, gearboxes are critical for converting motor output into controlled rotational motion, ensuring synchronized operation and mold alignment. The following performance requirements are essential:

  • High torque density: The gearbox must deliver high torque in a small footprint to meet the compact design needs of the platform.
  • High transmission accuracy: A backlash of less than 1 arc-minute is often required to maintain positioning precision during mold transitions.
  • Fast response speed: Gearboxes must support rapid acceleration and deceleration cycles to match the high-speed mold change processes.
  • Compatibility with servo motors: Integration with various types of servo motors is crucial for flexibility and control in automation systems.
  • Environmental adaptability: The ability to function in high-temperature environments and cleanrooms is increasingly important with the adoption of advanced injection molding technologies.
  • Long service life and low maintenance: Gearboxes must be designed for extended operation with minimal need for servicing to reduce downtime.

Waimica’s Custom Ball Screw Dedicated Gearbox Solution:

Waimica has developed a specialized series of gearboxes designed specifically for ball screw drive systems in turntable mold change platforms. These gearboxes are engineered to directly address the industry’s key challenges with tailored technical features:

  • Compact and modular design: The gearboxes are designed with space efficiency in mind, featuring a compact footprint and modular assembly options to simplify integration.
  • High precision and low backlash: With backlash of less than 1 arc-minute, these gearboxes ensure consistent and accurate mold positioning.
  • High efficiency: A typical efficiency of 90% or higher minimizes energy loss and heat generation.
  • Customizable input flange configurations: Available in IEC, NEMA, and ISO-standard flanges to ensure compatibility with a wide range of servo motor brands and models.
  • Environmental resistance: These gearboxes are built to IP65 standards, with optional IP67 and cleanroom variants for operation in high-temperature or sensitive environments.

Key technical parameters of Waimica’s solution include:

Parameter Waimica Leading Brand A Leading Brand B
Torque Range (Nm) 200-800 180-700 220-900
Backlash (arc-min) <1 <1.5 <2
Efficiency (%) >90 >85 >88
IP Rating IP65 / IP67 (optional) IP65 / IP67 IP65 / IP67
Mounting Options Flange, Shaft, Keyway Flange, Shaft Flange, Shaft
Service Life (hours) >20,000 >18,000 >15,000

Typical Application and Customer Feedback:

A European injection molding equipment manufacturer requested a gearbox solution for a high-speed mold change system operating in a high-temperature industrial setting. The main requirements were high torque output, minimal backlash, and a long service life with reduced maintenance.

Waimica’s technical team conducted a detailed site survey and analyzed the motion profile and load characteristics of the turntable. They proposed a Waimica ball screw dedicated gearbox with an IP67 rating and a backlash of 0.8 arc-minutes, matched to the customer’s servo motor configuration.

After implementation, the customer reported the following performance improvements:

Performance Metric Previous System Waimica Solution
Mold Change Cycle Time (s) 8.5 6.2
Machine Stability Rate (%) 87 95
Service Life (hours) 12,000 22,000
Maintenance Interval (months) 6 12

Conclusion and Waimica Brand Value Summary:

Waimica has demonstrated strong technical capabilities and a deep understanding of the injection molding automation industry. With high-performance gearboxes designed for ball screw drive systems, Waimica offers a reliable and cost-effective alternative to international brands while maintaining compatibility and precision.

Waimica’s core strengths include:

  • Advanced torque and precision specifications;
  • Flexible mounting and input flange options;
  • Robust environmental performance (IP65/IP67, high-temperature resistance, cleanroom-ready variants);
  • Fast project delivery and custom design support;
  • Proven performance in real-world applications.

As the injection molding industry continues to evolve toward higher automation and more precise motion control, Waimica remains a trusted partner in delivering high-quality, high-efficiency, and tailored transmission solutions. We are committed to long-term cooperation with global manufacturers by continuously improving our engineering standards and customer-centric support.