Corner Link Unit Prevent Double Hits The drawing portrays the right side. The left side is also symmetrical. 150 4- 13 Spring Force Free Length (mm) Initial Tensile Force N(kgf) Final Tensile Force N(kgf) Operation between Driver and Unit Oilless Bushing Oilless Bushing Oilless Washer Spring Ring Ball Plunger Dry Washer Key Key These values are for L = 10. Numbers in parentheses are subject to change with length. Spring Force Free Length (mm) The drivers conforming to this link unit are HPCDB and HPCFDB.(P.475 to P.478) Initial Tensile Force N(kgf) Final Tensile Force N(kgf) E.Initial contact of roller (129.2) D.Completion of hemming (85) 75 C.Start of return B.Leaving from roller 25.0 0 A.Bottom dead center 325 (Bottom dead center) Oilless Bushing Oilless Bushing Hemming Units 2 Bronze with Graphite (SO#50 SP2) 1 Bronze with Graphite (SO#50 SP2)