Micro-hole Drilling Ultrasonic Vibration Machining Ceramic Components —— Ultra-Precision High-Aspect-Ratio Hole Machining Solutions

Machining micro-holes ($le 0.5 text{mm}$) in advanced technical ceramics like alumina, zirconia, and silicon carbide is notoriously difficult using conventional mechanical drilling due to high cutting forces, rapid tool wear, entrance/exit chipping, and tool breakage. Micro-hole Drilling Ultrasonic Vibration Machining (UVM) superimposes high-frequency micro-vibrations ($20 text{kHz} sim 40 text{kHz}$) onto high-speed rotating diamond micro-tools. This process dramatically reduces cutting forces, facilitates instant micro-chip evacuation, and prevents micro-cracking, delivering deep, burr-free micro-holes with exceptional aspect ratios and pristine surface finishes.

Core Technical Advantages

1. Significant Cutting Force Reduction: Intermittent microscopic contact between the tool and substrate reduces thrust forces by 30% to 50%, preventing tool deflection, premature tool wear, and catastrophic micro-drill breakage.

2. Chipping-Free Hole Edges: Ultrasonic impact kinematics minimize tensile stress at hole entry and exit boundaries, ensuring sharp, chip-free hole edges without micro-fracturing or subsurface damage.

3. High Aspect Ratio & Deep Micro-Holes: High-frequency axial vibrations create a micro-pumping effect, enhancing coolant flow into the cutting zone to continuously flush out fine ceramic powder and prevent tool clogging.

4. Superior Wall Surface Finish: Combines mechanical grinding with micro-ultrasonic hammering, achieving smooth internal hole sidewalls with surface roughness down to $Ra le 0.1 mutext{m}$.

Applications Across High-Tech Industries

Henan ZG Industrial Products Co. Ltd. was founded by specialists of leading industrial institutes in Zhengzhou city, China in 2007.
Our company manufactures, complex develops, supplies, introduces and upgrades products from technical ceramics, heating elements and graphite. We provide services for the manufacture, repair and renovation of special high-temperature equipment as well. In addition, our company provides services for R&D, analytical research within our specialization.
We have established contacts with the world’s leading and domestic manufacturers of ceramic and heating elements, leading industry institutes and track all the latest trends in this field.
The introduction of ceramic and heating elements in production requires a special study of each case, taking into account technological and market nuances. The specialists of our company have all the necessary experience for the most complete solution of the customer’s problem and developing an optimal offer.
Among our customers are chemical, petrochemical, oil refining, oil and gas, mining, mining and concentrating, paper, metallurgy, power, electrical, electronic, glass and other industries.
We will be glad to answer all your questions.