Where HDC636 fits in the process sequence

The HDC636 series demonstrates exceptional performance in high-speed PCB and precision drilling applications, with its TiN-coated left-hand solid carbide design enabling reliable and efficient material removal.

Series Overview and Application

The HDC636 series is a TiN-coated left-hand solid carbide drill designed for high-speed PCB and precision drilling applications. This series is specifically engineered to deliver consistent performance across a wide range of diameters, from 0.15 mm to 3.72 mm. The TiN coating enhances wear resistance and reduces friction, which is critical in maintaining tool life and surface finish quality. The series is particularly suited for applications where high-speed machining and precision are required, such as in the production of printed circuit boards and other high-precision components.

Key Measurements and Their Impact on Machining

The HDC636 series includes a variety of part numbers, each with specific geometric callouts that define their performance characteristics. For example, the part number HDC636-1840-01 has a diameter of 1.84 mm and a flute length of 12 mm. These measurements are crucial in determining the tool's effectiveness in various machining scenarios. The diameter of 1.84 mm allows for precise drilling in tight spaces, while the flute length of 12 mm ensures efficient chip removal and coolant flow. These dimensions are essential for maintaining tool stability and preventing issues such as tool deflection or chip clogging, which can compromise the machining process.

Another key measurement is the helix angle, which is specified as 38° in the example geometry callout. The helix angle influences the cutting action and chip evacuation. A 38° helix angle provides a balance between cutting efficiency and tool strength, making it suitable for high-speed operations. This angle also helps in reducing vibration and improving surface finish, which are critical in precision drilling applications.

Performance and Reliability

The HDC636 series is designed to meet the demanding requirements of high-speed and precision drilling. The TiN coating not only enhances wear resistance but also improves thermal stability, which is vital in maintaining tool performance over extended periods. The series includes a wide range of part numbers, allowing for flexibility in application and customization to suit specific machining needs. The combination of precise geometric callouts and the TiN coating ensures that the HDC636 series delivers consistent and reliable results in various industrial settings.

Verified production record

Figures above are transcribed from the production order record and the printed catalogue extracts. Confirm the held tolerance for a specific part number in the written quotation.

See the recorded geometry on the HDC636 page of this catalogue.