The Precision Tool for Demanding Glass Applications

Why Standard Wheels Fall Short on Complex Glass Work

• Heat Buildup: The continuous friction of a solid rim can generate excessive heat, increasing the risk of micro-cracks in the glass edge. This is unacceptable in applications like architectural glass or electronic displays, where structural integrity is paramount.
• Chip Clogging: When grinding deep profiles or using coolant, a solid wheel can become clogged with glass dust (swarf), reducing cutting efficiency and leading to a glazed, ineffective wheel surface.

The Engineering Behind the Inner-Segment Design

• Enhanced Cooling: The gaps between segments allow coolant to flow directly to the cutting interface. This efficient heat dissipation is critical for processing tempered glass or thin glass, where thermal shock must be avoided to prevent spontaneous breakage.
• Aggressive Stock Removal: The segmented design creates a more open structure, allowing for faster clearing of glass particles. This results in a cooler, more aggressive cut, significantly increasing grinding efficiency and reducing cycle times on CNC machines.
• Versatility in Profile Grinding: The segmented construction allows for greater flexibility in creating complex edge profiles (such as ogee or pencil edges) on glass processing lines. The wheel maintains its form stability even under high feed rates.

Material and Bonding: The Key to Longevity

• Diamond Grit Quality: High-grade synthetic diamond grit is essential for maintaining a sharp cutting edge throughout the wheel's lifespan. This ensures consistent performance from the first piece to the last in a long production run.
• Metal Bond Systems: Many inner-segment wheels use a metal (sintered) bond. This bond offers excellent wear resistance and is ideal for wet grinding applications common in glass manufacturing. The bond must be formulated to wear at a controlled rate, constantly exposing fresh, sharp diamonds.
• Application-Specific Design: The optimal grit size and segment height are calibrated based on the specific glass type—whether it's float glass, laminated glass, or borosilicate glass—ensuring the best possible finish and tool life.

The Economic Impact on Your Production Line

• Reduced Downtime: The efficient chip evacuation and cooling of inner-segment wheels mean they can run longer between dressings or tool changes. This maximizes the uptime of expensive CNC glass machinery.
• Lower Cost-Per-Piece: While the initial cost may be higher, the extended service life and faster processing speeds of a quality inner-segment wheel lead to a significantly lower cost per piece of glass processed.
• Fewer Rejects: By minimizing heat-related cracks and ensuring consistent edge quality, these wheels drastically reduce the scrap rate, which is a major hidden cost in glass production.