01
Jul
Piezoelectric ceramics are core functional materials with reversible piezoelectric effects, enabling bidirectional conversion between mechanical energy and electrical energy. They are widely applied in medical ultrasonic probes, industrial sonar detectors, precision sensing components, semiconductor positioning platforms, consumer electronic filters and piezoelectric ignition devices.
As the most mainstream material in the industry, PZT ceramics deliver excellent piezoelectric coefficients and electromechanical coupling performance. Soft PZT is suitable for high-sensitivity sensors, hard PZT is designed for high-power acoustic equipment, and lead-free piezoelectric ceramics are primarily used in eco-friendly medical applications.
The customer in this case is a professional manufacturer of piezoelectric ceramic components, focusing on the R&D and mass production of piezoelectric ceramic sheets, transducer substrates and precision piezoelectric elements for medical equipment, intelligent sensing and communication electronics. With the upgrading of terminal product precision standards, the customer raised stricter requirements on cutting flatness, edge integrity and internal crack-free performance of ceramic workpieces.
Piezoelectric ceramics are typical hard and brittle materials with low fracture toughness, high thermal sensitivity and poor impact resistance. Traditional cutting tools and processes face prominent problems in mass production, severely restricting product yield and production efficiency:
– Frequent Edge Chipping: Cutting blades below 200# generate strong grinding impact, causing edge chipping, notches and serrated cuts that fail to meet precision assembly standards.
– Hidden Internal Cracks: Concentrated cutting thermal stress produces invisible microcracks, damaging the ceramic polarization structure and leading to degraded piezoelectric performance, such as insufficient sensor sensitivity and unstable ultrasonic power.
– High Material Waste: Conventional thick blades result in wide cutting kerfs, causing severe waste of high-value piezoelectric ceramic raw materials and raising overall production costs.
– Imbalance Between Precision and Efficiency: Ultra-fine grit blades ensure accuracy but reduce cutting speed, failing mass production; coarse grit blades improve efficiency but cause poor machining precision, resulting in low yield and limited productivity.
– Short Tool Service Life: Ordinary resin blades are prone to high-temperature softening and passivation during continuous cutting, requiring frequent tool replacement and causing equipment downtime.
Targeting the bottlenecks of mass piezoelectric ceramic machining, Moresuperhard’s technical team developed a targeted processing solution based on the material characteristics of brittle ceramics. The 1A1R D75/100*H12.7*T0.3 240# metal bond ultra-thin diamond cutting blade was adopted to perfectly balance machining precision, finished product yield and production efficiency.
This standard precision specification is fully compatible with the customer’s existing slicing and slitting equipment without fixture modification, enabling rapid production deployment:
– Product Type: 1A1R metal bond diamond cutting blade
– Standard Size: D75mm / D100mm × H12.7mm inner hole × 0.3mm ultra-thin thickness
– Matching Grit: 240# (optimal balanced grit for piezoelectric ceramic mass production)
– Applicable Materials: Full-range soft and hard PZT ceramics, medical-grade lead-free piezoelectric ceramics
Based on rich industry processing experience, Moresuperhard defines clear grit selection criteria for piezoelectric ceramics: grit size of 200# and finer effectively avoids chipping and cracking. The 240# grit is the optimal choice for mass production, eliminating the impact damage of coarse grits and the low-efficiency defect of ultra-fine grits. Meanwhile, our technical team optimized spindle speed, feed rate and circulating cooling parameters to suppress thermal stress generation throughout the cutting process.
– 0.3mm Ultra-thin Design, Cost Reduction & Efficiency Improvement: The ultra-thin substrate minimizes cutting kerf loss, increases the output rate of finished ceramic sheets per blank, and greatly reduces raw material costs.
– Uniform Fine Grit, Chipping-free & Crack-free Cutting: Evenly arranged 240# diamond powder achieves gentle low-impact grinding, delivering smooth and flat cutting surfaces without burrs, edge defects or internal microcracks, and completely preserving the electromechanical performance of piezoelectric ceramics.
– High Wear Resistance & Long Service Life: The bronze metal bond provides strong diamond holding force, featuring high temperature resistance and stable sharpness. It maintains consistent cutting performance during long-term continuous production and reduces tool replacement frequency and equipment downtime.
– High Compatibility & Universal Applicability: The standard 1A1R single-sided arc structure and 12.7mm universal inner hole fit most mainstream precision cutting equipment, supporting multiple processes such as cutting, slotting and slitting.
“Piezoelectric ceramics are extremely brittle with low machining tolerance, and we have long been troubled by chipping and hidden cracks that restrict product yield. After switching to Moresuperhard 240# ultra-thin diamond cutting blades, the cutting quality is extremely stable with almost no defective products. The tool durability is far better than our previous tools. In addition, their professional technical guidance on processing parameters helped us optimize the mass production process efficiently. It is a reliable long-term partner for precision superhard tools.”
The core difficulty of piezoelectric ceramic precision cutting lies in the balanced control of crack prevention, cutting flatness, mass productivity and cost optimization. This case fully proves that Moresuperhard 1A1R 0.3mm 240# metal bond diamond cutting blades can perfectly adapt to full-scenario precision machining of piezoelectric ceramics and solve common industry processing pain points.
Moresuperhard will continue to focus on the precision processing of special functional ceramics and semiconductor brittle materials, continuously optimizing tool formulas and processing technologies to provide efficient, stable and cost-effective one-stop superhard tool solutions for global precision manufacturing enterprises.
