Master micro-dispensing with flat tip needles. This guide covers their benefits, applications, key selection criteria, and how Blaze can optimize your projects for precision and efficiency.

What are Flat Tip Needles?

Flat tip needles, also known as square or chisel tip needles, are dispensing needles with a flat, non-pointed end. Unlike traditional pointed needles, the flat tip provides a larger contact area, enabling precise dispensing of small volumes of material and creating consistent, uniform deposits. They are particularly useful for applications requiring controlled spreading or precise placement of fluids.

Benefits of Using Flat Tip Needles

• Precise Micro-Dispensing: The flat tip allows for accurate and controlled dispensing of extremely small volumes of fluids, ideal for microelectronics, medical devices, and other precision applications.
• Uniform Deposits: The flat contact area creates consistent and uniform deposits of material, ensuring consistent product quality.
• Controlled Spreading: Flat tip needles facilitate controlled spreading of fluids, essential for applications like coating or bonding.
• Reduced Dripping: The flat tip design can minimize dripping, especially with viscous materials, leading to less waste and cleaner processes.
• Versatility: Flat tip needles can be used with a variety of materials, including adhesives, epoxies, inks, and other fluids.
  
  

  Gauge	I.D. (mm)	Code	Color
  15	1.37	BC-0969	Amber

Applications of Flat Tip Needles

Flat tip needles find applications in a wide range of industries:

• Microelectronics: Dispensing adhesives, encapsulants, and solder pastes for electronic components.
• Medical Devices: Applying coatings, adhesives, and other fluids in medical device manufacturing.
• Pharmaceuticals: Dispensing precise doses of medications or reagents.
• Automotive: Applying adhesives and sealants in automotive component assembly.
• Aerospace: Applying coatings and adhesives in aerospace manufacturing.

Key Considerations When Choosing Flat Tip Needles

Selecting the right flat tip needle is crucial for optimal performance. Consider the following factors:

• Needle Gauge: The needle gauge determines the inner diameter of the needle and affects the flow rate and volume of dispensed material.
• Tip Size and Shape: The size and shape of the flat tip are critical for controlling the deposit size and shape.
• Material Compatibility: Ensure the needle material is compatible with the fluid being dispensed. Stainless steel is a common choice due to its chemical inertness.
• Needle Length: The needle length should be appropriate for the dispensing equipment and application requirements.
• Connector Type: Choose the appropriate connector type for compatibility with your dispensing system

Conclusion

Flat tip needles are essential tools for manufacturers requiring precise and controlled micro-dispensing. By understanding their benefits, applications, and selection criteria, you can leverage these valuable tools to improve your processes, enhance product quality, and reduce costs. Blaze can further empower your projects by streamlining workflows, improving accuracy, and providing data-driven insights.