Test tool for punching machine

The testing tool for the punching machine comprises a lower pressing plate, a first cylinder body and a second cylinder body are installed above the lower pressing plate, the first cylinder body and the second cylinder body are the same in structure and are fixed on the lower pressing plate in a bil...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	MOU LIANMAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	The testing tool for the punching machine comprises a lower pressing plate, a first cylinder body and a second cylinder body are installed above the lower pressing plate, the first cylinder body and the second cylinder body are the same in structure and are fixed on the lower pressing plate in a bilateral symmetry mode, and a first piston is installed in the first cylinder body in a sliding mode to form an oil cavity structure. A first piston is slidably mounted in the first cylinder body, a second piston is slidably mounted in the second cylinder body, an upper pressing plate is mounted above the first cylinder body, the first piston and the second piston are fixedly connected with the upper pressing plate, a first oil inlet is formed outside the first cylinder body and communicated with the first cavity, a second oil inlet is formed in the second cylinder body, the first oil inlet is communicated with a first oil pipe, and the second oil inlet is communicated with a second oil pipe. The first oil pipe and t