CD Skripsi
Analisis Performa Mesin Kombinasi Pelubang Dan Penekuk Pelat
ABSTRACT
The plate punching and bending combination machine is a machine that belongs to
the press type with the use of a punch and a die to make holes or bends in a plate
workpiece. This machine uses a hydraulic drive with a maximum working pressure
of 700 bar which is used as a punch force to workpiece, but it is not known how
much working pressure this frame can withstand. Therefore, machine performance
becomes unknown such as punch force that can be used, workpiece thickness, hole
circumference and type of material that can be machined. The analysis was carried
out using simulation and experimental methods . The simulation method is carried
out using Autodesk Inventor software to determine the critical location which is
then measured by experiment. The experimental method is carried out by measuring
the stress and deflection. Voltage measurement on the frame is carried out using a
strain gauge sensor and measurements are carried out using a dial indicator. With
the application of a safety factor of 1.5 based on the yield strength of ASTM A36 as
the frame material, The deflection that has occurred is 1.15 mm, the maximum
working pressure obtained is 27.7 bar and the punch force that can be continued is
5441 N.
Keywords: Working Pressure, Punch Force, Yield Strength, Safety Factor
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