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1. Structural Characteristics
These hinge hole bolts are expertly designed with uniform dimensions to ensure a seamless and secure connection. The front thread is dedicated to precise fastening, while the rear end of the rod excels in positioning and providing impressive shear resistance.
2. Working Principle
Lateral Load: The bolt's superior performance is achieved through the inherent shear strength of the screw and the robust extrusion strength of the hole wall, eliminating reliance on frictional forces generated by pre-tightening.
Axial Load: Bearing capacity mirrors that of standard bolts, primarily depending on the robust threaded connections.
Thus, the requirement for pre-tightening force is significantly minimized, yet it remains essential to meticulously verify both shear and compression strength.
3. Distinction from Ordinary Bolts
• Matching Method: Typical bolt holes are slightly larger (0.5-1mm) than the screw, resulting in a non-matching fit; Conversely, hinged bolts boast a sophisticated transitional fit.
• Force Mechanism: Ordinary bolts utilize frictional force from pre-tightening to counter lateral loads, necessitating substantial pre-tightening force; Hinged bolts directly withstand shear and compression forces for superior performance.
Function: Combining the dual roles of positioning and fastening, hinged bolts outperform ordinary bolts, which serve solely for fastening purposes.
4. Application Scenarios
These bolts shine in environments with frequent vibrations or significant lateral loads, such as in metallurgical equipment, transmission systems, textile machinery, and more.
In conclusion, hinge hole bolts dramatically enhance lateral load-bearing reliability through innovative structural design and optimization of stress mechanisms. They are ideally suited for industrial applications demanding rigorous stability.