1.Introduction

Model GBW-60B is a microcomputer semi-automatic cupping tester, which adopts manual adjustment test speed, PC microcomputer measurement, operation, digital display results, printing and so on. The cupping value and the average value of the material can be calculated and displayed, draw the curve, print the test data and the average value of the test.

2.Main technical parameters

Model	GBW-60B
Specimen thickness	Standard 0.1-2mm,( Non-Standard 0.1-3mm)
Max. Specimen Width	100mm
Max. Punch stroke	60mm
Clamping piston stroke	19-21mm
Max. Cupping Force	60kN
Max. Clamping Force	25kN
Test mold specifications (Standard)	Punch diameter:Φ20±0.05mm,cushion mold hole diameter : Φ33±0.1mm Fixed mold hole diameter: Φ27±0.05mm Standard press mold hole diameter : Φ27±0.05mm; ( Non-Standard )
Display resolution	0.01mm
Display value	Clamping force, stamping force, displacement and cup drawing value, speed rate, drawing force - displacement curve
Control method	Computer automatic test process
Structure features	Composite cylinder, double oil pump supply oil, grating measurement