SOUTH BEND 13" Metal LATHE METRIC TRANSPOSING GEAR 3D Printed NEW
This is a one piece design 47/37 transposing gear (change gear). This is a 3D plastic printed gear designed to fit the South Bend 13" lathe with 8TPI lead screw.
Gear Face Width = .625" (5/8)
Center bore = .625" (5/8)
Teeth = 37 and 47
14 DP (Diametral Pitch)
Center bore is bushed to provide long life wear characteristics.
This combination of sizes (47/37) is commonly used for transposing the feeds on metal lathes for cutting metric sized threads. While not truly perfect, the margin of error is .021% or .0026" per foot.