USER GUIDE Troubleshooting Problem Cause Solution • Poor clamping • Check the clamping. Use hydraulic clamping of the chuck chuck, maxin power chuck or a shrink system. • Unsuitable cutting • Decrease feed, increase coolant pressure. conditions • Chisel runout • Check or replace the clamping adaptation. • Workpiece movement • Increase workpiece chucking force. Chipping on the chisel edge • Poor clamping • Check the clamping. Use hydraulic clamping of the chuck chuck, maxin power chuck or a shrink system. • Unsuitable cutting SOLID CARBIDE DRILLS • Increase cutting speed, reduce feed rate. conditions • Check cooling lubricant. Increase coolant pressure. In the case of external coolant supply, • Insufficient coolant improve jet direction and add cooling jets. Chipping on the cutting • Rough application • Reduce feed rate by 30-50% during entry and exiting. edges / built-up edge • Check cooling lubricant. Increase coolant • Insufficient coolant pressure. In the case of external coolant supply, improve jet direction and add coolant jets. • Large runout • Check if the runout is within 0.02 mm T.I.R. (radial & axial) • Unsuitable cutting • Reduce cutting speed, increase feed. conditions • Rough application • Reduce feed rate by 30-50% during entry and exit. • Poor clamping • Check the clamping. Use hydraulic clamping Excessive wear on the cutting corners of the chuck chuck, maxin power chuck or a shrink system. • Workpiece movement • Increase workpiece chucking force. • Check cooling lubricant. Increase coolant • Insufficient coolant pressure. In the case of external coolant supply, improve jet direction and add coolant jets. • Check drill type, drilling depth, cooling • Wrong drill system and workpiece material. • Unsuitable cutting • Increase feed. When spot drilling, reduce feed. conditions Chipping on the lands • If hole size is too large, increase cutting • Unsuitable cutting speed or reduce feed. If hole size is too small, conditions reduce cutting speed or increase feed. • Poor clamping • Check the clamping. Use hydraulic clamping of the chuck chuck, maxin power chuck or a shrink system. • Make sure that the drill’s runout is • Large runout within 0.02 mm (radial & axial). • Worn out center • Regrind cutting edge or replace the drill. Hole diameter out of tolerance point (chisel) • Insufficient chip • Use pecking cycle. evacuation • Poor clamping • Check the clamping. Use hydraulic clamping of the chuck chuck, maxin power chuck or a shrink system. • Workpiece rigidity • Increase workpiece chucking force. • Worn out drill center • Regrind cutting edge. point (chisel) • Unsuitable cutting • Increase feed. When spot drilling, reduce feed. conditions Hole not straight 590 590 ISCAR ISCAR