Ratio Nom. Output Torque (Nm) Max. Acceleration Torque (Nm) Mass Moment of Inertia (kg/cm²) ~ SINGLE STAGE ~ 1:1 25 37.5 0.51 1.5:1 25 37.5 0.64 2:1 24 36.0 0.44 3:1 18 27.0 0.43 4:1 13 19.5 0.43 5:1 12 18.0 0.43 ~ 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 Design Parameter Value Nom. Output Speed (rpm) 1500 Max. Input Speed (rpm) 7500 Max. Axial Load on Input (N)* 350 Max. Axial Load on Output (N)* 450 Max. Radial Load on Input (N)* 700 Max. Radial Load on Output (N)* 900 Efficiency (%) ≥ 98 Unit weight (kg) 2.6 Min. Operating Temperature (°C) - 10 Max. Operating Temperature (°C) + 90 Protection Rating IP65 Noise (dB)** ≤ 68 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 AT065L = 1 Input, 2 Output AT065L1 = 1 Input, 1 Output (Clockwise / Anti-clockwise) AT065R1 = 1 Input, 1 Output (Clockwise / Clockwise) For more information, see rotation directions on page 66 NOTE: Example gearbox shown with S2 shaft option AT = Stainless steel ATB = Blackened carbon steel Dimensions and ratings of AT & ATB series are identical 48 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 AT065L – Shaft Series Spiral Bevel Range – Stainless or Steel 65 62.5 41 2 54 6 13 65 13 k6 32.5 27 27 4x M4 x 9 62.9 g6 63 h7 63 h7 13 k6 27 47.5 67 4x M4 x 9 65 34.5 63 h7 54 13 2 32.5 27 53 BCD M4 x 0.7 x 10 5 x 5 x 16 h9 KEY 4x M4 x 7 4x M4 x 9 D E F C 1 2 3 4 B A 3 2 1 5 4 6 7 8 AT065R1-1 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