Gear units C D A B A3 C D A B A3 BOTH ENDS OF EACH RACK ARE MACHINED TO ALLOW FOR CONTINUOUS MOUNTING WE RECOMMEND THE USE OF A MOUNTING PIECE AND GREASE OR OIL LUBRICATION Worms and Worm Wheels worm 7 .0 FAX: 01827 253390 www.apex-trans.co.uk TEL: 01827 253340 sales@apex-trans.co.uk MOD Length (mm) Tooth Number B H HA (PCD) HB L1 L3 A1 A2 D1 D2 D3 C +0.5 T Mass (kg) Order Code 2 1920 288 20 19.5 17.5 7.5 60 7.1 10 30 4.5 7.5 4.5 - 5.3 5.4 145-920-120 2 1920 288 25 24.5 22.5 10 60 8.9 10 30 6 9.5 6 - 8.5 8.4 145-920-220 3 1920 192 30 29.75 26.75 11.5 60 10.6 10 30 7 11 7 - 9 11.2 145-930-220 4 1920 144 40 39.75 35.75 14 80 14.2 20 40 10 15 10 - 9 21.5 145-940-320 MOD Length (mm) Tooth Number B H HA (PCD) HB L1 L3 A1 A2 D1 D2 M1 M2 C +0.5 T Mass (kg) Order Code 2 1920 288 20 19.5 17.5 7.5 60 7.1 10 30 5.8 10 M4 8 - 6 5.4 145-820-120 2 1920 288 25 24.5 22.5 10 60 8.9 10 30 7 11 M5 11 - 7 8.4 145-820-220 3 1920 192 30 29.75 26.75 11.5 60 10.6 10 30 10 15 M6 13.5 - 9 11.2 145-830-220 4 1920 144 40 39.75 35.75 14 80 14.2 20 40 12 18 M8 16 - 12 21.5 145-840-320 13 Helix Angle Pressure Angle Tooth Quality Tooth Finish Material Hardness R/H 19° 31’ 42” 20° Q9 h27 Milled C45 (1.0503) Soft Economy Helical Racks L1 L A1 A2 L1 L3 M2 H M1 HA HB C x 45 D2 D1 T B HB D E F C 1 2 3 4 B A 3 2 1 5 4 6 7 8 143-830-210 WEIGHT: A SHEET 1 OF 1 SCALE:1:5 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 180° 90° A1 A2 L L1 L1 L3 H D3 B HA HB D2 C x 45 T D1 HB D E F C 1 2 3 4 B A 3 2 1 5 4 6 7 8 143-930-210 WEIGHT: A SHEET 1 OF 1 SCALE:1:5 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 Milled Contact Surfaces – For Linear Guides