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1. Structural Characteristics
The hinge hole bolts are meticulously standardized in size, ensuring a flawless and secure fit. The front thread is meticulously designed for robust fastening, while the rear end of the rod guarantees precise positioning and formidable shear resistance.
2. Working Principle
Lateral Load: It is effortlessly borne by the intrinsic shear strength of the screw itself, coupled with the exceptional extrusion strength of the hole wall. This unique mechanism operates without relying on the frictional force typically generated by pre-tightening.
Axial Load: The bearing capacity is equivalent to that of conventional bolts, primarily depending on the secure threaded connections.
Thus, the pre-tightening force requirement is remarkably minimal, yet it is imperative to simultaneously verify both shear and compression strength for optimal performance.
3. Difference from Ordinary Bolts
• Matching Method: Ordinary bolt holes are typically 0.5-1mm larger than the screw, resulting in a non-matching fit; however, the hinged bolt boasts a transitional fit for seamless integration.
• Force Mechanism: Ordinary bolts depend on the frictional force generated by pre-tightening to resist lateral loads, necessitating substantial pre-tightening force. In contrast, the hinged bolt is directly subjected to shear and compression forces, ensuring enhanced efficacy.
Function: The hinged bolt ingeniously combines positioning and fastening functions, while ordinary bolts serve solely for fastening purposes.
4. Application Scenarios
Predominantly utilized in industries characterized by frequent vibrations or substantial lateral loads, such as metallurgical equipment, transmission systems, and textile machinery, where reliability is paramount.
In conclusion, hinge hole bolts significantly elevate the reliability of lateral load-bearing capabilities through sophisticated structural design and optimization of stress mechanisms, rendering them exceptionally apt for industrial scenarios with stringent stability demands.