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Base plate with undulation shaped snap-through hub for decreased swage force attachment of suspension assembly in hard disk drive
Base plate with undulation shaped snap-through hub for decreased swage force attachment of suspension assembly in hard disk drive
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机译:带有波动形卡扣式轮毂的底板,用于减少将悬架组件固定在硬盘驱动器上的型锻力
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摘要
A base plate for swage fitting into a boss hole of a predetermined nominal diameter. The base plate has a flange and a hub extending from a region at which the hub meets the flange to an outer end of the hub. The hub has a number of arcuate indentations in the hub extending from the outer end of the hub part way or all the way to the region at which the hub meets the flange. During a swaging operation the indentations amplify the expansion forces from the swage tool to engage the boss hole and can achieve snap-through shape change for permanent locking. For a press-in fit the diameter of the hub is greater than the nominal diameter. During a press-in operation a tool is inserted between the actuator arms and in alignment with the base plates. The tool is then activated a reach sufficient to urge each base plate hub into a corresponding boss hole for a press fit.
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