| 摘要 |
A stamping machine for mounting a retention frame of heat sink ( 510 ) to a motherboard ( 500 ) includes a machine body ( 100 ), an adjusting device ( 200 ), and a controlling unit ( 300 ). The machine body comprises a support plane ( 110 ) and a stamping arm ( 120 ) extending upwardly from the support plane. A plurality of adjusting positioning blocks ( 112 ) is provided on the support plane for fittingly positioning the motherboard. A stamping assembly ( 130 ) is positioned at a forepart of the stamping arm comprises a cylinder ( 140 ), a stamping block ( 150 ) moveably connected to the cylinder, and a base portion ( 114 ) attached on the support plane corresponding to the stamping block. A plurality of stamping posts ( 170 ) extends from the stamping block and a plurality of retractable pressing pins ( 180 ) depends from the stamping block. A resilient member ( 190 ) is disposed around each of the pressing pins.
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