rftTLRNTfh UHPR Racks Module 3-6 Order Code Module L1 N° of teeth b+0’4 hk h0 f a I N° of holes h d1 d2 t a1 I1 d3 Total pitch error • Teeth case hardened and ground • Case hardening steel according to ATLANTA-Standard • Ground on all sides after hardening • Signed with effective total pitch error (20°C) Inspection measurement data available as an option. Mounting racks, see page ZF-2. To achieve precision rack joints, we recommend our patented rack assembly kit, see page ZF-4. For lubrication of rack & pinions we recommend our automatic lubrication systems, see page ZE-1. For the calculation and selection of the rack & pinion drive, see page ZD-1. Screws for rack mounting, see page ZF-3.