Parabolic Leaf Spring Assembly Drawing for Commercial Vehicle

Multi-layer parabolic leaf spring assembly manufactured by Uzel for Otokar commercial vehicles. The drawing details complete geometric specifications with the following key features:

Components:
– Main leaf with 1750mm cutting length and 130mm straight section
– Multiple leaves (5-6 total) with specified thicknesses
– Rubber bushings (C 38 01 LB/B0049 and C 38 02 LB/B0048)
– Center bolt assemblies (M10x1.5)
– Clamp assemblies (C 01 41 MC and C 39 04 MC)

Material Specifications:
– Spring material: 50CrV4/DIN59145 and 50CrV4/DIN4620 with 415-461 HB hardness
– Precisely defined pin dimensions (Ø25mm with 16.5mm thickness)

Technical Parameters:

– Rate: 65-65 N/mm
– Maximum load: 660-625 kg
– Test load values and free height specifications
– Center hole diameter: Ø15-0.27mm
– Mounting dimensions: 590±1.5mm (flat position)

Manufacturing notes indicate parabolic taper tolerances (±0.2mm thickness, ±3mm length) and specific end-cutting requirements using designated tooling (DSM.007.19).