Overview

The document presents the Hydraulic Expansion Toolholder Series (LHC), emphasizing high precision, stability, and advanced damping capabilities for machining applications.

Key Specifications and Performance

• Concentricity and repeatability within 0.003 mm (2.5D).
• Excellent damping performance ensures superior workpiece surface quality and extends tool life by preventing micro-chipping on cutting edges.
• High clamping torque: up to 900 Nm for 20 mm diameter and up to 2000 Nm for 32 mm diameter toolholders.
• Standard dynamic balancing at G2.5 grade for speeds up to 25,000 RPM.

Technical Features

• Hydraulic system with liquid structure provides damping and vibration reduction.
• Quick tool change within seconds using a simple hex wrench, no torque wrench required.
• Sealed design protects clamping area from dirt, coolant, lubricant, and chips, ensuring long-term reliability.
• Axial length adjustment with 10 mm stroke without affecting dynamic balance.
• Uniform expansion of the expansion sleeve clamps the tool shank evenly, centering the tool before full clamping force is applied.

Operation and Maintenance

• Simple operation without auxiliary equipment; standard hex wrench suffices for tool changes.
• Low maintenance due to sealed hydraulic design preventing contamination.
• Reduced machine downtime and maintenance costs compared to external clamping tools.

Compatibility and Versatility

• Compatible with various tool types and machining methods including milling, drilling, and reaming.
• Can clamp tools directly or via hydraulic collets.
• Hydraulic collets (HYC series) available in multiple sizes with specific clamping ranges to accommodate different tool diameters.

Comparison with Other Toolholder Types

Product Specifications

Detailed dimensional and torque specifications are provided for various models under BT30, BT40, BT50, and HSK series toolholders. Key parameters include:

• Dimensions (l1, l2, l3, l4, l5, l6, d, d1, d2)
• Torque values ranging from 16 Nm to 900 Nm depending on model and diameter
• Weight ranging from 0.6 kg to 4.6 kg
• Wrench types specified (mostly M8X1.0P with PT5 or PT6)

Hydraulic Collets (HYC Series)

• Available in sizes 12, 16, 20, and 32 mm with various clamping ranges.
• Designed to be used with hydraulic toolholders for enhanced versatility.

Contact Information

Manufacturer located in Taichung City, Taiwan. Contact via phone +886-4-26265252 or fax +886-4-26267941. Website: www.chain-headway.com

Critical Highlights

• High precision and repeatability (0.003 mm) ensure machining accuracy.
• Superior damping extends tool life and improves surface finish.
• High clamping torque supports demanding machining operations.
• Simple, fast tool changes reduce machine downtime.
• Sealed design protects internal components from contamination.
• Wide compatibility with tool types and collets.