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Overview

Dukane’s advanced plastic welding technologies ensures precision, consistency, and compliance in advanced home care product manufacturing. It enables high-quality, hermetically sealed welds for CPAP devices, drug delivery, infusion sets, pens & injectors and wearable bio-sensor products.

Nebulizer Mask and Air Compressor
Nebulizer Mask and Air Compressor

Nebulizers use air compressors to convert liquid medications into a mist for easier absorption. It is commonly used as a treatment for respiratory illnesses such as asthma or COPD to open airways and reduce inflammation in the lungs. Some nebulizer sets can be used simultaneously with oxygen concentrators.

Typical Materials

  • PC - Compressor
  • ABS - Compressor
  • PP - Compressor
  • HIPS - Compressor
  • PC - Mask​
  • PA - Mask
  • PVC - Mask

Typical Joint Designs

  • Tongue & Groove Round Energy Director (Servo)​
  • Tongue & Groove Standard Energy Director​
  • Shear Joint

Bonding Process

  • Servo Ultrasonic Welding​

Molding Considerations

  • Materials are considered ultrasonically compatible when their melt temperatures are within 30°F and melt flow indices are within 10% of each other
  • Avoid re-grind if possible. Less than 25% if required
  • Avoid mold release agents
  • Plastic fillers & additives can affect welding output. Contact Dukane for additional information

Typical Optimized U/S Welding Parameters

Sensing Speed​ 1 mm/s (0.04" in/s)​
Melt-Match % 2-7%
Weld Speed 0.25 - 1.5 mm/s​
Weld by Distance 0.13 - 0.5 mm​
Dynamic Hold 0.01 - 0.05 mm​
Dynamic Hold Speed 3.0 - 4.0 mm/s ​
Static Hold 0.5 Sec

Quality Considerations

  • Advanced cycle/graph data collection and production analysis
  • ​Improved weld control with Smart-Stack™ integration and Melt-Match® technology
  • ​Integrated FDA 21 CFR-11 security

Geometry Considerations​

  • Horn contact surface & weld joint interface should be on single parallel planes​
  • Near-Field Welding – Joint within 6mm of horn contact surface

High Volume/Automation Requirements​

  • Ethernet IP
  • ​Generator and servo controller communication via Ethernet
  • ​Industry 4.0. OPC UA connectivity standard
  • ​Long actuator life, up to 100 MM cycles
Continuous Glucose Monitor - Diabetes Care
Continuous Glucose Monitor - Diabetes Care

Continuous glucose monitors (CGMs) are diabetic care devices for monitoring blood glucose levels continually. They typically comprise of an electrode placed under the skin and a transmitter to regularly send blood sugar level readings to a separate receiver display. CGMs are alternate devices to the traditional periodic glucose monitoring by drawing blood from a finger.

Typical Materials

  • PC​
  • ABS
  • PC/ABS
  • PE
  • PP

Typical Joint Designs

  • Tongue & Groove Round Energy Director (Servo)​
  • Tongue & Groove Standard Energy Director​
  • Tongue & Groove Shear

Bonding Process

  • Servo Ultrasonic Welding – Typical​

Molding Considerations

  • Materials are considered ultrasonically compatible when their melt temperatures are within 30°F and melt flow indices are within 10% of each other
  • Avoid re-grind if possible. Less than 25% if required
  • Avoid mold release agents
  • Plastic fillers & additives can affect welding output. Contact Dukane for additional information

Typical Optimized U/S Welding Parameters

Sensing Speed​ 1 mm/s (0.04" in/s)
Melt-Match % 2-5%
Weld Speed 0.25 - 1.5 mm/s
Weld by Distance 0.13 - 0.5 mm
Dynamic Hold 0.01 - 0.05 mm 
Dynamic Hold Speed 3.0 - 4.0 mm/s 
Static Hold 0.2 - 0.5s

Quality Considerations

  • Advanced cycle/graph data collection and production analysis
  • ​Improved weld control with Smart-Stack™ integration and Melt-Match® technology
  • ​Integrated FDA 21 CFR-11 security

Geometry Considerations​

  • Horn contact surface & weld joint interface should be on single parallel planes​
  • Near-Field Welding – Joint within 0.250" of horn contact surface

High Volume/Automation Requirements​

  • Ethernet IP
  • ​Generator and servo controller communication via Ethernet
  • ​Industry 4.0. OPC UA connectivity standard
  • ​Long actuator life, over 100 MM cycles

Welding SolutionsPrecise, Accurate and Flexible Welding Solutions

Dukane offers the largest array of plastic joining technologies within the Medical Device Market segment. This allows Dukane the flexibility to GUIDE our partners into the RIGHT joining solution based on the the requirements of their unique medical device assembly. Integrating the right process and the right tool early in the development process ensures a successful long-term program.

Dukane Advanced Welding Solutions for Medical Device Manufacturing: