WO2015109909A1
Disclosed is a PCB grinding machine, comprising a workbench (100), a first guide rail (200), two second guide rails (300), a third guide rail (400), a grinding assembly (500) and a servo system (600). The two second guide rails (300) are arranged in parallel at two sides of the workbench (100); the first guide rail (200) spans the two second guide rails (300) …
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