the grooving machine aryma gm usually is employed in connection with the circular shear aryma to produce internal and external rings for spiral gaskets. the aryma gm was specially developed for the cold forming of grooves......the grooving machine aryma gm usually is employed in connection with the circular shear aryma to produce internal and external rings for spiral gaskets. the aryma gm was specially developed for the cold forming of grooves at the inside diameter of metallic rings for spiral gaskets.
