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Boring Tool Holders are precision-engineered accessories designed for high-accuracy internal machining, including enlarging, finishing, and truing pre-drilled holes on lathes, CNC turning centers, and milling machines. Constructed from premium alloy steel or vibration-damping composite materials, these holders excel in stability and rigidity, enabling micron-level tolerances and superior surface finishes even in challenging materials like hardened steel, cast iron, or heat-resistant alloys.
Características principales:
1. Ultra-Stable Design:
– Forged from high-grade alloy steel (e.g., SCM435, H13) or composite steel with tuned damping layers, achieving 40% higher vibration absorption for chatter-free machining.
– Optional carbide-reinforced shanks enhance wear resistance in high-speed applications (up to 10,000 RPM).
2. Precision Adjustment Mechanisms:
– Fine-tuning dials or digital micro-adjustment systems (±0.001mm resolution) ensure exact bore diameter control for IT6-IT7 grade tolerances.
– Pre-ground replaceable inserts or cartridges minimize tool setup time and ensure repeatability.
3. Advanced Coolant & Chip Management
– Dual-channel internal coolant delivery directs high-pressure coolant to cutting edges and flushes chips efficiently, reducing thermal distortion in deep-bore operations.
– Helical chip-breaker grooves prevent chip entanglement in ductile materials like aluminum or copper.
4. Modular Flexibility
– Compatible with standard turret systems (VDI, BMT, CAPTO) and customizable shank types (cylindrical, hexagonal, or Weldon flat).
– Multi-head adapters support interchangeable boring bars, facing heads, or thread-milling tools for multifunctional machining. Application Scenarios**
– Automotive: Precision boring of cylinder liners, gearbox housings, and brake drums.
– Aerospace: Finishing turbine blade root slots and fuel system components.
– Energy Sector: Machining hydraulic valve bodies and pump housings with <0.01mm roundness.
– Die & Mold: Achieving mirror finishes (Ra ≤0.4μm) in injection mold cavities.
Application Scenarios:
– Automotive: Precision boring of cylinder liners, gearbox housings, and brake drums.
– Aerospace: Finishing turbine blade root slots and fuel system components.
– Energy Sector: Machining hydraulic valve bodies and pump housings with <0.01mm roundness.
– Die & Mold: Achieving mirror finishes (Ra ≤0.4μm) in injection mold cavities.
Operational Guidelines:
– Setup: Use dial indicators to align tool holders within 0.005mm TIR (Total Indicator Runout).
– Cutting Parameters:
– Hardened Steel: 80-120m/min cutting speed, 0.05-0.15mm/rev feed.
– Aluminum: 200-400m/min cutting speed, 0.1-0.3mm/rev feed.
– Maintenance: Lubricate adjustment threads weekly; inspect damping layers for fatigue every 500 hours.
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