Overview

This document provides a comprehensive technical reference for various grippers, pads, and screw components used in industrial workpiece positioning and holding. It covers material specifications, dimensions, load capacities, finishes, and application guidelines to ensure optimal performance and protection of workpieces.

1. Gripper Types and Materials

• SRP and DRP Rest Pads: SRP pads are carburized and hardened SNCM220 steel (HRC60) with black oxide finish; DRP pads are white polyacetal plastic. Both protect soft or precision-ground workpieces.
• HS Grippers: Square, round, and countersunk types made from quenched and tempered SKH51 steel (HRC62) with black oxide finish.
• CT Grippers: Square and round types with SCM440 steel bodies (Rc32) and carbide tips (Rc72) for durability.
• Edge Grippers: SKH51 steel bodies (Rc62) with diamond or straight serrated tips for enhanced grip.
• Angle Grippers (MHS, MCT, MFSC): SKH51 steel bodies (HRC62) with carbide tips (HRC72) featuring angled tips for specialized gripping.
• Socket Screw Grippers (HS, PG, CT): Bodies of SKH51 or SCM440 steel, heat treated to HRC58 or Rc32, with carbide or steel tips.
• Swivel Gripper Screws (BUH, TBU, BBU): SKH51 steel bodies (Rc60-Rc62) with tips and balls in steel, stainless steel (SUS440), or polyacetal plastic; allow angular adjustment up to 10°.

2. Specifications and Dimensions

• Thread sizes range from M3×0.5 to M24×3 depending on gripper type.
• Heat treatment hardness varies: bodies from HRC32 to HRC62; carbide tips at Rc72.
• Weights range from a few grams to over 200 grams.
• Load capacities vary widely; some grippers support static loads up to 85.6 kN.

3. Material Finishes and Treatments

• Black oxide finish standard on steel components for corrosion resistance and reduced glare.
• Carburizing and hardening applied to SNCM220 steel for SRP pads and some tips.
• Quenching and tempering applied to SKH51 and SCM440 steels for mechanical strength.
• Carbide tips heat treated to Rc72 for superior wear resistance.
• Polyacetal plastic components used for soft contact surfaces.

4. Application Guidelines and Usage

• Designed for precise positioning and protection of soft or precision-ground workpieces.
• Swivel gripper screws enable angular adjustment (up to 10°) for uneven surfaces or specific angles.
• Tips are replaceable via hex socket-head cap screws for easy maintenance and customization.
• Hex-socket head cap screws recommended for securing tips and use on soft jaws.
• Load capacities must be considered to ensure safe and effective holding force.

5. Additional Features and Notes

• Serrated tips (diamond or straight) enhance grip on workpieces.
• Swivel and tipped grippers can function as screw jacks for positioning.
• CAD models for HS square grippers are available online.
• Plastic tips and balls provide softer contact to prevent damage to delicate workpieces.

6. Summary of Critical Parameters

7. Product Overview and Additional Specifications

• Tip types include serrated steel balls (BBU-S), plain plastic tips (BBU-E), plain steel tips (BBU-F), and serrated steel tips (BBU-S).
• Dimensions vary by part number, with lengths and diameters specified (e.g., 25 mm length, 16 mm diameter).
• Thread sizes include M12×1.75, M10×1.5, M8×1.25, M6×1, M5×0.8, and M4×0.7.
• Weights range from approximately 5.3 kg to 85.6 kg depending on part; load capacities noted except for plastic tips.

8. Installation and Maintenance Procedures

• Tips are installed by pushing the ball out of the body and securing the tip with a hex socket-head cap screw.
• Tips can be replaced by removing the tip-fixing screw, allowing easy maintenance and customization.

9. Applications and Recommendations

• Grippers improve workpiece positioning precision and reliability.
• Multiple gripper models correspond to specific tip part numbers for compatibility.

10. Manufacturer Information

For further inquiries, contact: 2002 Senbiki, Seki, Gifu 501-3954, Japan; Tel: +81 575 28 5823; Website: www.imao.com/en.