The role of motor design in injection molds

The role of motor design in injection molds

The role of motor design in injection molds

When the structure of plastic products is designed with a thread structure, the injection mold will be designed with a motor, which can make the mold faster and better to assist the mold production. The following is an explanation of the design function of the injection mold motor

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1. The precise power control and efficiency optimization
Dynamic response adaptation

 

Equipped with the third generation of servo motor, such as yaskawa Σ – X series), the response time of 0.03 seconds or less, to ensure precision mould slider, ejection device in institutions such as the synchronization error is less than 0.005 mm.
The AI algorithm is used to predict load fluctuations (such as changes in the opening and closing torque of large automotive parts), and the output power is adjusted in real time (accuracy ±5%), and the energy consumption is reduced by 15-20%.
Multi-axis collaborative operation

 

For complex mould (e.g., multicolor stack mold, mold), adopts distributed EC frameless motor system, achieve 64 axis linkage control, switching cycle reduced to 1.2 seconds (traditional scheme needs more than 3 seconds).

 
2. Empowering through innovative mold functions

 

Intelligent rotating core pulling: permanent magnet synchronous motor (speed 0-2000rpm stepper speed), complete 0.1mm microhole core pulling (time ≤0.5 seconds)
Adaptive ejection: Linear motor drive (thrust ≥2000N, repeat positioning accuracy ±1μm), dealing with ejection deformation of thin-walled parts in deep cavities (≤0.01mm)

 

Dynamic temperature control: the micro-piezoelectric motor drives the nano-valve (flow adjustment accuracy 0.1ml/s), and the mold temperature uniformity is increased to ±0.3℃

 
3. Enhance reliability and lifespan

 

Tolerance to extreme environments

 

Adopt high temperature resistant motor + ceramic bearing + silicon nitride coating (working temperature -30℃~ 180℃), meet PEEK and other high temperature materials (mold temperature > 200℃) injection molding requirements.
Designed with IP69K protection grade, it is resistant to high-pressure steam cleaning (pressure >0 mpa) and metal dust erosion, with an average mean time between failures (MTBF)>100,000 hours.

 

Predictive maintenance

 

Embedded vibration sensor (50 KHZ sampling rate) and current harmonic analysis module, early warning and bearing wear of 48 hours in advance, winding aging failure, reduce maintenance costs by 40%.

 
4. Intelligence and Data integration

 

Digital twin connecting rod

 

Motor operation data (such as torque curve and temperature rise chart) are mapped to NVIDIA Omniverse platform in real time, and mold action timing is optimized (cycle time is reduced by 12%).
Edge computing decision-making

 

Based on the local AI chip of STM32H7 series MCU, independently determine the mold action strategy (such as dynamic adjustment of mold output speed with product shrinkage), and the response delay is less than 5ms.

 
5. Green manufacturing and regulatory compliance

 

Improve energy efficiency

 

In line with IEC 60034-30-2 Ultra High Efficiency rating (IE5), it saves 25% energy compared with conventional motors and reduces carbon emissions by 1.2 tons per mold per year.
Compliance certification

 

Passed the EU ErP Directive 2025 version (minimum energy efficiency index EEI≤0.20) and FDA 21 CFR 1040.20 (electromagnetic compatibility requirements for medical molds)

 
6. Technological Innovation:

 

Quantum reluctance motor: no winding design, torque density increased to 45Nm/kg (conventional motor < 20Nm/kg), suitable for nano precision mold;
Biodegradable lubrication: castor oil lubrication system, compatible with biodegradable plastic mold (such as PLA injection), pollution emissions by 90%

 
7. Suggestion:

 

Select priority: Choose modular motors that support the EtherCAT bus protocol (such as Beckhoff AX8000 series) for future expansion;

 

Maintenance strategy: Enable cloud health monitoring (such as the Siemens MindSphere platform) and enjoy predictive maintenance subscription services (free for the first year);

 

Energy consumption optimization: This month, the European Union provides an 8% purchase subsidy for IE5 motor, which is recommended to be purchased first

 
We have over 17 years of experience in injection mold making and are very familiar with the use of mold accessories. We will ensure that customers receive satisfactory mold quality and satisfactory plastic products. If you have any needs, please contact us and we can provide you with a quotation.

 


Post time: May-09-2025