Precision locating pin for accurate workpiece positioning in manufacturing fixtures
A locator pin is a precision-engineered cylindrical component used in workpiece positioning fixtures to establish and maintain accurate reference points for machining, assembly, or inspection operations. It ensures repeatable positioning by engaging with corresponding holes or features on workpieces, eliminating positional variation and improving manufacturing accuracy.
诱因 → 失效模式 → 工程缓解
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Locator pins are specifically designed for fixture applications with tighter tolerances and often feature chamfers or bullet noses for easy insertion, while dowel pins are general-purpose alignment pins with standard tolerances for permanent assembly applications.
Select based on workpiece hole size, required positioning accuracy, and load conditions. Typically use H7/g6 or H7/h6 fit classes, with diameter determined by the smallest feature to be located while maintaining sufficient strength.
Yes, when made from appropriate materials like H13 tool steel or carbide with suitable heat treatment. Standard tool steel pins are limited to approximately 200°C before losing hardness.
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