AT075L = 1 Input, 2 Output AT075L1 = 1 Input, 1 Output (Clockwise / Anti-clockwise) AT075R1 = 1 Input, 1 Output (Clockwise / Clockwise) 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) 4.2 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 1.5:1 45 67.5 1.16 2:1 42 63.0 1.11 3:1 33 49.5 1.09 4:1 28 42.0 1.09 5:1 25 37.5 1.09 ~ DOUBLE / TRIPLE STAGE ~ PLEASE SEE FLANGED SERIES FOR LARGER REDUCTION RATIOS * 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 50 AT075L – Shaft Series Spiral Bevel Range – Stainless or Steel 75 60 75 82.5 16 k6 50.5 8 15 2 37.5 30 30 4x M6 x 13.5 16 k6 73 h7 73 h7 72.9 g6 30 54 84 4x M6 x 13.5 75 46.5 14.5 2 60 73 h7 37.5 30 62 BCD 4x M6 x 13.5 4x M5 x 8 5 x 5 x 25 h9 KEY M5 x 0.8 x 12.5 D E F C 1 2 3 4 B A 3 2 1 5 C D 4 6 7 8 A B AT075R1-1 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