Production spindle EFS series

spindletighteningservo-driven

Product overview
The EFS Fixtured Spindle is a high-precision tightening spindle designed for a wide torque range (3–500 N·m) and long production-line service life. Custom hardware supports a lifespan exceeding 1,000,000 cycles. Integrated angle measurement and a high-precision servo design deliver tight control (6σ torque accuracy ±3%) for safety-critical tightening applications.

Key features

• Torque measuring range: 3–500 N·m
• Page-displayed maximum torque value: 485 N·m
• Maximum rotational speed: 1920 rpm
• 6σ torque accuracy: ±3%
• Built-in angle encoder for angle-based tightening control
• Custom hardware delivering >1,000,000 cycles lifespan
• High-precision servo spindle with tight torque dispersion
• Designed for high durability on production lines

Related applications

• Motor vehicle
• Auto parts
• Motor control
• Power battery
• Consumer electronics
• Rail transportation

Product family / related models

• EFS-Fixtured-Spindle
• EHS-Screwdriver
• EHA-Screwdriver
• EHS-Nutrunner
• EHA-Nutrunner

Technical specifications

• Torque range: 3–500 N·m (page stated)
• Maximum torque (page graphic): 485 N·m
• Maximum rotational speed: 1920 rpm
• System torque accuracy (6σ): ±3%
• Measuring range confirmed: 3–500 N·m
• Lifespan: >1,000,000 cycles (custom hardware)
• Built-in angle encoder for critical & safety-level control
• Design focus: high precision, high durability, production-line suitability