Cold Headed vs Machined Solid Pins

2022-11-07
●Solid Pins are common fasteners used for aligning, joining, and assembling multiple components. Solid Pins are most useful where the clamp load of a bolt is not needed. They are also used for specific functions such as locating components, hinges, tamper-resistant designs, etc.
●Two common manufacturing methods used to produce Solid Pins are cold heading and machining. Cold heading and machining both produce high quality, consistent parts. Interestingly, many outside diameter (OD) ground dowels are not actually machined. It is common to pass cold headed blanks through a secondary grinding operation in order to produce the OD ground dowels.
●It’s important to understand the differences between cold heading and machining when designing a Solid Pin for an assembly as the manufacturing method directly impacts the design specifications (tolerances, geometry, & material) that can be assigned to the Solid Pin. The objective of this paper is to educate designers about the differences between cold heading and machining so that they understand how to design a Solid Pin that optimizes performance and reduces total manufactured cost of the assembly.

Spirol

Solid PinsCold Headed PinsMachined Solid PinsPress Fit Pin

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2018/6/13

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