... 1) Ductile iron and gray iron sand casting Features:Gearbox, Gear case, Gear, Worm, Worm Shaft, Casting, Sand-Casting1) Ductile iron and ... levels10) Greatly reduces noise and improves carrying capacity 11) Software for specification drawings: Pro/E, Auto CAD, Solid Work 2005, CAD ... = new AE.run.minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); Worm gear box