1. Core Technology: Servo-Driven Precision
Lead screw glue dispensing machines utilize servo motors + precision ball screws as their core drive system, enabling nanoscale fluid control. Key operational phases include:
- Material Delivery: Servo motors rotate ball screws to push pistons, ensuring stable adhesive transfer from reservoirs to nozzles
- Dynamic Adjustment: Real-time viscosity monitoring via pressure sensors adjusts screw speed and thrust, maintaining dispensing accuracy within ±0.01mm
- 3D Path Execution: Multi-axis systems (X/Y/Z) support complex trajectories (arcs, spirals) for irregular surfaces like automotive parts or PCB boards
2. Technical Advantages Over Traditional Systems
Compared to pneumatic dispensers, lead screw systems offer:
- Submicron Accuracy: Repeatability of ±0.005mm for semiconductor die-attach and micro-LED assembly
- Broad Material Compatibility: Handles adhesives from 100cP (low-viscosity UV resins) to 500,000cP (high-density epoxies)
- Smart Temperature Control: Optional -20°C to 200°C thermal modules prevent curing issues in extreme environments
- Energy Efficiency: Servo systems reduce energy consumption by 30% versus pneumatic alternatives
3. Industry-Specific Applications
3.1 Electronics & Semiconductor Manufacturing
- Chip Encapsulation: Dispenses 0.01μL conductive epoxy for IC pin protection, eliminating short-circuit risks
- Mobile Device Assembly: 360° IP68-rated sealing for smartphone camera modules via 3D arc interpolation
3.2 Automotive & EV Battery Production
- Battery Pack Insulation: Dual-component epoxy (10:1 ratio) encapsulation ensures thermal stability in lithium-ion modules
- Carbon Fiber Bonding: Continuous adhesive application on curved body panels enhances shear strength by 40%
3.3 Medical Device Fabrication
- Catheter Assembly: Bubble-free dispensing of biocompatible adhesives under ISO 13485 cleanroom standards
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