51 AT0754M = 1 Input, 3 Output (Opposite Rotation) AT075LM = 1 Input, 2 Output (Opposite Rotation) AT075RM = 1 Input, 2 Output (Opposite Rotation) For more information, see rotation directions on page 66 Design Parameter Value Nom. Output Speed (rpm) 1500 Max. Input Speed (rpm) 6500 Max. Axial Load on Input (N)* 425 Max. Axial Load on Output (N)* 550 Max. Radial Load on Input (N)* 950 Max. Radial Load on Output (N)* 1100 Efficiency (%) ≥ 98 Unit weight (kg) 5.6 Min. Operating Temperature (°C) - 10 Max. Operating Temperature (°C) + 90 Protection Rating IP65 Noise (dB)** ≤ 70 Ratio Nom. Output Torque (Nm) Max. Acceleration Torque (Nm) Mass Moment of Inertia (kg/cm²) ~ SINGLE STAGE ~ 1:1 45 67.5 1.30 AT-M SERIES ONLY AVAILABLE IN 1:1 RATIO * Applied at centre of in/output shaft (Length/2). For more information, see pages 68 & 69 ** Based on 1:1 ratio @ 1500 rpm without load Backlash ~ SINGLE STAGE ~ ≤ 6 arcmin Shaft Option Order Code Smooth Shaft S1 Keyed Shaft S2 Other Options Available Order Code Food Grade Grease on request High or Low Temperature Grease on request NOTE: Example gearbox shown with S2 shaft option AT = Stainless steel ATB = Blackened carbon steel Dimensions and ratings of AT & ATB series are identical ALL BEVEL GEARBOXES ARE SUPPLIED LUBRICATED FOR LIFE WITH NYE® NYOGEL 792D SYNTHETIC GREASE AND CONFORM WITH ATEX EQUIPMENT-GROUP II CATEGORY 2 AS STANDARD TEL: 01827 288122 sales@wmh-trans.co.uk FAX: 01827 253390 www.wmh-trans.co.uk 16 k6 75 82.5 50.5 2 8 15 75 37.5 30 30 60 4x M6 x 13.5 5 x 5 x 25 h9 KEY M5 x 0.8 x 12.5 75 46.5 14.5 2 60 73 h7 30 37.5 62 BCD 4x M6 x 13.5 4x M5 x 8 72.9 g6 73 h7 73 h7 16 k6 30 54 84 4x M6 x 13.5 D E F C 1 2 3 4 B A 3 2 1 5 C D 4 6 7 8 A B AT075RM-1 WEIGHT: A3 SHEET 1 OF 1 SCALE:1:2 DWG NO. TITLE: REVISION DO NOT SCALE DRAWING MATERIAL: DATE SIGNATURE NAME DEBUR AND BREAK SHARP EDGES FINISH: UNLESS OTHERWISE SPECIFIED: DIMENSIONS ARE IN MILLIMETERS SURFACE FINISH: TOLERANCES: LINEAR: ANGULAR: Q.A MFG APPV'D CHK'D DRAWN AT075M – Opposite Rotation Spiral Bevel Range – Stainless or Steel