1. Overview

This technical document details specifications, torque values, load capacities, and dimensional data for various lifting points and related hardware used in industrial lifting applications. It covers swivel lifting rings, anchoring brackets, weld-on brackets, and other components, emphasizing safe installation and operation.

2. Product Categories and Specifications

• Swivel Lifting Rings with Ring: Torque ranges from 16 Nm to 14,000 Nm depending on size (M8x16 to M90x135) and configuration (1 or 2 arms).
• Orientable Lifting Points Under Load: Load capacities from 0.3 t to 35 t with torque values adjusted for load angles (0° to asymmetric) and screw sizes M8 to M90.
• Swivel Lifting Rings with Variable Length Screws: Torque from 8 Nm to 465 Nm for screws M8 to M30, with angle-dependent torque values.
• Swivel Lifting Rings with Joint: Designed for axial pull with minimal space, safety coefficient 5, torque 10 Nm to 350 Nm (M20 to M48).
• Anchoring Brackets with Screw Fixing: Provide secure anchoring without welding, torque 250 Nm to 1981 Nm (M20 to M48).
• Weld-on Brackets (Double/Single Base): Facilitate positioning and minimize space; torque and load vary by size and base type.
• Swivel Lifting Rings with Bearing: Enable continuous rotation under load, torque 28 Nm to 465 Nm (M8 to M48).
• Swivel Lifting Rings with Bracket: Designed for 90° pull with minimal space, torque 30 Nm to 2000 Nm.

3. Load Angles and Torque Values

Torque values are specified for load angles of 0° (axial), 0°-45°, 45°-60°, 90° (perpendicular), and asymmetric loads. Torque increases with load capacity and screw size to ensure safety and performance.

4. Screw Sizes and Load Capacities

Screw sizes range from M8 to M90, with load capacities from 0.3 tons up to 40+ tons. Exact screw dimensions and maximum tightening torques are provided to guarantee secure anchoring.

5. Safety and Usage Recommendations

• Adhere strictly to specified torque values to maintain load capacity and safety.
• Consider load angle when selecting lifting points to prevent overload.
• Use anchoring brackets without welding for guaranteed fixation and easier installation.
• Choose swivel lifting rings with bearings for applications requiring continuous rotation under load.
• Ensure compatibility between screw size, lifting point type, and intended load.

6. Manufacturer and Quality Assurance

All components are manufactured by Stampéria Carcano Giuseppe Spa, ensuring high-quality standards and adherence to torque and load specifications for safe lifting operations.

7. Summary Tables and Data Interpretation

Extensive tabular data correlates load angles, screw sizes, torque values, and load capacities. Key insights include:

• Torque values increase with screw size and load capacity.
• Load angle significantly influences torque requirements and safe load limits.
• Each product type has specific torque and load ratings tailored to its design and application.

8. Product Types and Descriptions

• Rotating Eyebolts with Ring (800 series): Single and double leg configurations, orientable during loading.
• Rotating Eyebolts H.Q. (807X series): Allow orientation in all loading directions, variable screw lengths.
• Heavy Lift Swivel Hoist Rings (811X series): Minimal dimensions, safety coefficient 5 for axial pull.
• Anchorage Brackets with Fixing Screws (835X series): Secure anchorage without welding.
• Weld-On Lifting Rings (820X and 830X series): Double and single base types for easy positioning.
• Eyebolt Twister with Bearing (817X series): Enable rotation during continuous loading.
• Rotating Eyebolt with Clamp (806X series): Designed for 90° pull with minimal space.

9. Load Capacities and Working Load Limits (W.L.L.)

W.L.L. ranges from 0.3 tons to over 40 tons, varying by size, configuration, and load angle (0°, 45°, 60°, 90°, asymmetric).

10. Torque Specifications

Maximum tightening torque ranges from 8 Nm (M8) to 14,000 Nm (M90x135), critical for safe installation.

11. Dimensions and Screw Lengths

Detailed screw diameters and lengths are specified, with variable lengths for some models to suit installation needs.

12. Special Features and Recommendations

• Rotatable lifting points reduce stress by allowing orientation during lifting.
• Anchorage brackets enable secure fixing without welding, simplifying installation.
• Weld-on lifting rings come in single and double base types for structural adaptability.
• Heavy lift swivel hoist rings maintain high safety margins with minimal size.
• Eyebolt twisters with bearings support continuous rotation under load for dynamic lifting.

13. Summary of Critical Parameters

14. Best Practices and Usage Recommendations

• Always follow specified tightening torque values to avoid improper installation.
• Carefully consider loading angle when selecting lifting points to ensure adequate capacity.
• Use rotatable lifting points to reduce stress when load orientation changes during lifting.
• Install anchorage brackets as specified to guarantee secure fixing without welding.
• For dynamic or continuous rotation applications, select lifting points with bearing or swivel features.

Note: The document contains extensive tabular data with detailed numeric values essential for engineers and technicians involved in lifting equipment selection and installation.