Spiral Bevel Gearboxes 45 TEL: 01827 288122 sales@wmh-trans.co.uk FAX: 01827 253390 www.wmh-trans.co.uk The WMH AT series is a range of high precision spiral bevel reduction gearboxes which feature precision machined surfaces on each face of the centre body for greater design flexibility and ease of installation. Spiral bevel gears have been optimised to give smooth power transmission, high torque capacity and low backlash combined with lower noise levels. The WMH AT series is available with either stainless steel (AT) or blacked carbon steel (ATB) construction with both having the same dimensions and performance. The AT-L series is a range of traditional bevel gearboxes with one or two solid output shafts available in 1:1 up to 5:1 reduction ratios. The AT-M series is based on the regular series but the internal gearing is altered to give opposite rotation across the body in LM and RM format and has the option of three output shafts in the 4M series giving the flexibility to drive any number of connected screw jacks. Spiral Bevel Gearboxes Series Overview 46 Performance Summary 47 AT065 Ø13mm Shafts 48 – 49 AT075 Ø16mm Shafts 50 – 51 AT090 Ø18mm Shafts 52 – 53 AT110 Ø22mm Shafts 54 – 55 AT140 Ø32mm Shafts 56 – 57 AT170 Ø40mm Shafts 58 – 59 AT210 Ø50mm Shafts 60 – 61 AT240 Ø55mm Shafts 62 – 63 AT280 Ø60mm Shafts 64 – 65 Technical & Order Codes Rotation Directions 66 Selection 67 Shaft Loads 68 – 69 Order Codes 70 Additional Options 71 – 72 AT – Stainless ATB – Steel