Summary

The Grob G640 is a 4-axis horizontal machining center designed for heavy-duty metalworking applications requiring robust performance and flexibility. Its core function is precision multi-axis milling, enabled by a torque motor-driven rotary B-axis and customizable spindle and tool magazine configurations. The machine features integrated cooling of key components and offers high dynamic motion capacity, supporting large workpieces and complex part geometries.

Key Capabilities

• 4-axis machining with torque motor-driven B-axis for precise and rapid positioning
• Supports multiple spindle interfaces (HSK, SK, BIG-PLUS)
• Accommodates large parts and extended tool lengths (up to 830 mm)
• Modular tool magazine options with capacity up to 450 tools
• Configurable cutting fluid system with optional high-pressure (up to 120 bar) capability
• Machine cooling system for spindle, table, drives, and cutting fluid circuit
• Chip conveyor adaptable for various materials
• Operates with SIEMENS control systems

Key Specifications