Slewing drives

Features & Benefits Selection & verification Data and performance summary - Main dimensions Splined shaft ends & Loose pinions Support overview Parking brakes Motor adapters Installation & Lubrication Gear selection data sheet Global presence, Local service Product range EPS series Slewing Drives

Features & Benefits Slew drive gear reducers, ranging from 9 kNm to 400 kNm Maximum Output Torque over 10 primary sizes and 3 output reinforced support configurations: - R: dual pilot flanged - S: dual pilot compact - H: single pilot front flanged From nominal ratio 12,5 to 2 800 Wide choice of the drives allows always highest performances along with cost effective solutions dual pilot flanged R30… dual pilot compact S30… sigle pilot flanged H30… IEC and NEMA electric motor adapter and primary hydraulic motor adapter Wide range of Motor adapter IEC Nema or Hydraulic for global players Further...

Features & Benefits Multiple lubrication ports at 90° angle, two greaser at opposite site Oil and grease ports always easy to reach, possibility to install oil and temperature probes To allow higher thermal capability Wide range of hydraulic brakes for a fine tuned application and cost effectiveness Hydraulic parking brakes ranging from 75 Nm to 4250 Nm static torque over 3 main sizes Optimized slew drives for application and for multi-drive systems taking advantage from the European made wide range of electric motor Rossi IEC electrical brake motors wound and set for the specific application...

Gear reducer size and ratio Train of gears PLANETARY Stage composition Transmission ratio 1 planet. and 1 bevel stage 2 planet. stages and 1 bevel stage catalog stage composition stage composition other than catalog catalog ratio ratio composition other than catalog 3 planet. stages and 1 bevel stage EPS series Slewing Drives

Pinion data Module Output shaft dimensions Shaft System units end Metric systems unit double pilot extended output support, with flange Output model Model Coupling dimens. Brake model Braking torque IEC electric motor adapter stop washer pinion gear double pilot extended output support, without flange Imperial systems unit Shaft / Mounting Coupling Accessories position dimensions integral pinion front fixing flange output support universal adapter NEMA electric motor adapter hydraulic motor adapter EPS series Slewing Drives

Selection & verification Quick selection: Output torques and radial loads according to F.E.M. (1.001 3rd edition – Revised 1998.10.01) Load classification L2-T5-M5 (n2=15 min-1) Table 1 Output Sxxx Rxxx Size Sxxx Hxxx Sxxx Sxxx [Nm] the nominal output torque related to a given load classification and output speed. is In the table it is shown the maximum value for each gearbox size, see the following pages for the actual values for every reduction ratio. [Nm] the maximum torque admissible on gear reducer low speed shaft. is In the table it is shown the maximum value for each gearbox size, see...

Load spectra (examples) Load spectra (examples) Group classification guidance Group classification guidance Type of Type of appliance appliance Designation Designation Particulars concerning Type of Particulars concerning Type of mechanismmechanism nature of use natureSlewing of use Hoisting Luffing Travers Travel Erection cranes M2-M3 M4 Hook duty Hook M6 Grab or magnet duty Grab or magnet M4 M6 Grab or magnet Erection cranes and reclaiming transporter Stocking Stocking and reclaiming transporter Stocking and reclaiming transporter Stocking and reclaiming transporter Workshop cranes Workshop...

Selection & verification Selection according to F.E.M. (1.001 3rd edition – Revised 1998.10.01)1) Required application data – Class of load spectrum L1 … L4 – Class of utilization T2 … T8 – Running conditions: accelerations-decelerations, frictional forces, wind effect. – External drive data: pinion and ring gear module, number of teeth and pressure angle. – Gear reducer input speed (depending on motor type) and output speed required. Required torque Starting from running conditions (accelerations-decelerations, frictional forces, wind effect) and load spectrum determine the maximum load: SM...

Selection & verification Radial load verifications Verify that the radial load on the gear reducer output pinion shaft is less than the reference value Fr2 FEM for the chosen gear reducer Verifications Verifications M2 required ∙ KA ∙ 2000 Radial load Radial load ≤ is FEM Verifications Verifications thatloadradial load on the gear reducer output pinion shaftFr2 less than thevalue Fr2 FEM for the chosenthe chosen gear red Verify that Verify the radial the on the gear reducer output pinioncosα is less than the reference reference value Fr2 FEM for gear reducer; Dp ∙ shaft Radial load Radial load...

Data and performance summary 007A Sizes EPS series Slewing Drives

Main dimensions Sizes 007A (006A, 004A) H - Front fixing flange output support R - Double pilot extended output support, with flange Pinion code Output type case hardened and ground steel case hardened and ground steel case hardened and ground steel through hardened steel through hardened steel through hardened steel through hardened steel through hardened steel case hardened and ground steel through hardened steel case hardened and ground steel case hardened and ground steel through hardened steel Integral pinion Loose pinion EPS series Slewing Drives

Data and performance summary 015A Sizes EPS series Slewing Drives

Main dimensions Sizes 015A (012A, 009A) H - Front fixing flange output support R - Double pilot extended output support, with flange Pinion code Integral pinion Loose pinion Output type case hardened and ground steel case hardened and ground steel case hardened and ground steel case hardened and ground steel case hardened and ground steel case hardened and ground steel case hardened and ground steel case hardened and ground steel case hardened and ground steel through hardened steel case hardened and ground steel case hardened and ground steel case hardened and ground steel case hardened and...