Overview

The document details the specifications, components, and features of the Emax EVOlution ultra-precision brushless micro-grinder system, including collet chucks, chuck nuts, motors, attachments, and control units. It emphasizes the system's modularity, high performance, and user-friendly design for various micro-grinding applications.

1. Product Components and Specifications

Collet Chucks and Chuck Nuts

• Various collet chuck sizes are available, ranging from ultra-small diameters (0.3 mm) to larger sizes (up to 9.8 mm).
• Collet chuck groups include CHC, CHG, CHH, CHM, and NKM6, each compatible with specific motor attachments and applications.
• Chuck nuts are designed to fit corresponding collet chucks and motors, facilitating secure tool holding.
• Collet replacement is tool-free, allowing easy and quick changes without a spanner.

Motors

• Two motor types: Standard Type (ENK-410S) and Torque Type (ENK-250T).
• Standard Type Motor: 1,000 to 40,000 min⁻¹ speed range, 4.3 cN·m max torque, 73W power, 90g weight (without cord).
• Torque Type Motor: 1,000 to 25,000 min⁻¹ speed range, 4.8 cN·m max torque, 76W power, 147g weight (without cord), designed for heavy-duty and larger tools.
• Both motors feature brushless design for durability and minimal RPM variation under load.

Control Unit (Emax EVOlution NE249)

• Available in 120V and 230V versions.
• Dimensions: W130 x D254 x H97 mm; Weight: 2.3 kg.
• Features include forward/reverse rotation, digital motor speed display, memory speed function (FiXpeed®), and auto cruise control to reduce operator fatigue.
• Supports connection of two motors (A and B), but simultaneous operation is not allowed.

2. Attachments and Accessories

• Wide variety of attachments for different grinding and polishing tasks, including ring type (IR-310), lever type (IH-300), 6mm torque type (HG-200), long type (BMH-300), and various angle types (MFC-300S, IC-300, KC-300, etc.).
• Specialized attachments for polishing (LUSTER, MINI-LUSTER), hammer action (HA-500), swing-luster, fine belt sanding, and more.
• Accessories include handpiece holders, stands, power supply cords, spanners, pin spanners, and lubrication tools.
• Attachments have maximum allowable speeds specified for intermittent and continuous use, ensuring safe operation.

3. Features and Innovations

• Brushless Motor Technology: Provides excellent durability, quiet operation, and stable RPM under varying loads.
• Special Dust Protection Mechanism: Built-in dust protection in the chuck section prevents entry of chips and foreign materials, enhancing durability.
• One-Touch Tool Changing: Enables quick and easy tool changes without additional tools.
• NAKANISHI Smart Switch: Provides tactile click sensation and audible confirmation tones; switch color indicates motor type.
• FiXpeed® Memory Speed Function: Allows independent presetting of motor speeds for motors A and B, improving work efficiency.
• Auto Cruise Control: Enables fixed motor speed without continuous foot pedal use, reducing operator fatigue.

4. Usage and Compatibility Notes

• The system is designed exclusively for Emax EVOlution handpieces; it is not compatible with Electer E-max motor cord pin configurations.
• Maximum allowable speeds vary by attachment and motor type; continuous use limits depend on material and application.
• Some attachments and motors are not compatible with older Emax series motors (e.g., NK-351, NK-261, NK-151).
• Speed reducers and extension joints are available to adjust torque and speed for specific applications.

5. Ordering and Identification

• Each component and accessory is identified by a unique code number; customers must specify code numbers when ordering.
• Standard sets include motor, attachment, collet chucks, control unit, handpiece holder, stand, power cord, and necessary spanners.

6. Summary of Critical Parameters

7. Best Practices and Recommendations

• Always verify compatibility of collet chuck, chuck nut, motor, and attachment before assembly.
• Observe maximum allowable speeds for intermittent and continuous use to avoid damage.
• Use the FiXpeed® and Auto Cruise functions to optimize workflow and reduce operator fatigue.
• Regularly maintain dust protection mechanisms to ensure durability and performance.
• Specify code numbers accurately when ordering to ensure correct parts and accessories.

Conclusion

The Emax EVOlution system offers a comprehensive, modular solution for ultra-precision micro-grinding with advanced brushless motor technology, versatile attachments, and user-friendly controls. Its design prioritizes durability, ease of use, and adaptability across a wide range of applications.