Sheet Metal Testing Machine Sheet metal testing machine, with Erichsen cupping, up to 60 kN/80 kN tensile force Model 102 102-60 Sheet metal testing machine, with Erichsen cupping, Bore expanding test, up to 60 kN tensile force Model 102 102-80 Sheet metal testing machine, with Erichsen cupping, up to 80 kN tensile force