Gear units WE RECOMMEND THE USE OF CONTINUOUS GREASE OR OIL LUBRICATION FOR ALL RACK & PINION SYSTEMS – LIFE TIME CALCULATIONS AVAILABLE ON REQUEST Worms and Worm Wheels worm 7 .0 FAX: 01827 253390 www.apex-trans.co.uk TEL: 01827 253340 sales@apex-trans.co.uk 47 Design Parameter Value Helix Angle STRAIGHT 0° Pressure Angle 20° Tooth Quality Q7 e25 Tooth Finish Case Hard + Ground Material 16MnCr5 (1.7131) Hardness 58~62 HRC MOD Face Width (B) Length (L) Tooth Number PCD Ø D BORE Ø H6 Ø C K1 K2 Order Code 3 28 30 18 54 60 25 36 8 15.8 113-230-518 20 60 66 25 36 8 15.8 113-230-520 30 45 8 18.3 113-330-020 35 48 10 20.8 113-330-520 22 66 72 25 36 8 15.8 113-230-522 30 45 8 18.3 113-330-022 35 48 10 20.8 113-330-522 25 75 81 25 36 8 15.8 113-230-525 30 45 8 18.3 113-330-025 35 48 10 20.8 113-330-525 45 58 14 26.3 113-430-525 28 84 90 25 36 8 15.8 113-230-528 30 45 8 18.3 113-330-028 35 48 10 20.8 113-330-528 45 58 14 26.3 113-430-528 32 96 102 25 36 8 15.8 113-230-532 30 45 8 18.3 113-330-032 35 48 10 20.8 113-330-532 45 58 14 26.3 113-430-532 36 108 114 35 48 10 20.8 113-330-536 45 58 14 26.3 113-430-536 40 120 126 35 48 10 20.8 113-330-540 45 58 14 26.3 113-430-540 4 40 50 20 80 88 35 52 10 20.8 113-340-520 45 65 14 26.3 113-440-520 22 88 96 35 52 10 20.8 113-340-522 45 65 14 26.3 113-440-522 25 100 108 35 52 10 20.8 113-340-525 45 65 14 26.3 113-440-525 28 112 120 35 52 10 20.8 113-340-528 45 65 14 26.3 113-440-528 32 128 136 35 52 10 20.8 113-340-532 45 65 14 26.3 113-440-532 40 160 168 45 65 14 26.3 113-440-540 60 80 18 34.3 113-640-040 Case Hardened – Without Hub HUB B L D K2 K1 PCD BORE A C B L D 0.05 A 0.01 A D E F C 1 2 3 4 B A 3 2 1 5 C D 4 6 7 8 A B 115-330-022 WEIGHT: A3 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 HUB B L D E A C B L D 0.05 A 0.01 A 3 4 3 5 C D 4 6 7 8 A B 115-330-022 WEIGHT: A3 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 Case hardened gears are supplied with bore and key size specified below and cannot be modified Keyway aligned with tooth root within +/- 0.5mm Precision Straight Pinions