latest company case about SHENZHEN LAEG CO.,LTD Certifications

Project Overview

An Ecuador-based plastic machinery manufacturer — a dedicated plastic extrusion equipment OEM producing plastic bag making machines and pipe extrusion lines — faced a persistent drive problem on its screw extruder main units. The extruder required a continuous and constant torque, yet the imported inverter brands the company had been using suffered from slow after-sales response, which repeatedly disrupted production continuity. This case study documents how the MS500 High-Performance Vector Inverter, combined with professional heavy-duty torque parameter commissioning and remote online technical support, resolved the customer's most critical pain points and delivered measurable production gains.

Customer Background

• Country: Ecuador
• Industry: Plastic machinery manufacturing
• Company Type: Plastic extrusion equipment OEM
• Main Products: Plastic bag making machines, pipe extrusion equipment
• Core Demand: Screw extruder main drive requiring continuous constant torque; imported brands suffered from slow after-sales response

Challenges & Pain Points

• Insufficient low-speed torque, resulting in unstable melt pressure during extrusion
• Large fluctuations in discharge thickness, causing uneven pipe wall thickness and inconsistent output quality
• Heavy material waste and high energy consumption whenever the line was stopped and restarted
• Slow after-sales support from European and American brands, extending maintenance downtime

Solution Deployed

Results & Performance Data

1. Stable low-frequency torque: At 0.5 Hz, the MS500 produced high starting torque, stabilizing the extrusion melt pressure. Pipe wall thickness became uniform and the defect rate dropped by 13%.
2. Reliable continuous operation: The equipment ran stably for 24 hours non-stop, reducing unplanned downtime by 65%.
3. Fast local support: Rapid local spare parts delivery and an after-sales response speed superior to European and American brands.
4. Regulatory compliance: CE certification fully satisfied Ecuador's equipment import requirements.

Key Benefits Summary

Why This Matters for Extrusion OEMs

For extrusion OEMs, torque stability is not a secondary detail — it directly determines melt pressure consistency, product dimensional accuracy, and the amount of scrap material generated per batch. When low-speed torque is insufficient, extruders experience pressure pulsation, uneven discharge, and frequent restart-related waste. The MS500 addresses this at the source by maintaining high torque even at very low frequencies, so the screw turns smoothly and the melt is delivered evenly. Combined with remote engineering support that tunes heavy-duty torque parameters to each machine's specific load profile, the inverter becomes a natural extension of the OEM's own engineering team rather than a black-box component with unpredictable support.

Conclusion

By pairing the MS500 high-performance vector inverter with professional heavy-duty torque commissioning and responsive remote technical support, the Ecuadorian OEM achieved stable extrusion melt pressure, uniform pipe thickness, and dramatically lower downtime — while benefiting from faster local service than imported brands offered. The project demonstrates that a well-supported drive solution can outperform established European and American brands in both performance and service responsiveness, delivering a reliable, CE-compliant solution for single/twin-screw extruders, injection molding machines, and pelletizing equipment.