797 Каталог HOFFMANN GROUP 2016 Станочный режущий и вспомогательный инструмент Вер. 47 Стр.797

Каталог HOFFMANN GROUP 2016 Режущий инструмент и оснастка Стр. 797 0797 ENG Lab2u

47 -" > pointtegh Revolving lathe centres - precision version with slim body Extremely slim body and high concentricity. Precision needle and thrust bearings result in a maximum variation of 0.003 mm and a very small body 0. Taper and chamfered parts are made of hardened bearing steel (61 - 63 Rockwell). Application: For turning and grinding where a small head 0 and high accuracy are required. Hoffmann Group Morse taper 2 I 3 1 4 1 5 Revolving lathe centre high precision version Point angle 60° 286.11 326.70 466.29 850.41 3 32 0900 Revolving lathe centre high precision version Point angle 60730° 320.76 367.29 511.83 937.53 Body0D mm 28 34 45 62 Reach B mm 28 32 48 54 largest centre point 0 60° A (32 0700) mm 24 28 40 54 largest centre point 0 60° A (32 0900) mm 10 10 14 16 largest centre point 0 30° A (32 0900) mm 24 28 40 54 maximum radial run-out mm 0.003 for workpiece weight kg 180 270 430 790 320900 With extended poin f 60730°. Auarant Revolving lathe centre -for particularly high loads - with draw-off nut With extended centre and draw-off nut, specially for CNC machines.Complete tool hardened and ground. Special roller bearings for high loads and speeds. Live centre through hardened, can be reground many times. Maintenance-free due to lifetime lubrication. Special seal prevents ingress of dirt and coolant. 321255 - Point angle 60°. 321260 - Point angle 60730° Application: For high loads and speeds, specially for NC machines. 321260- Extended point allows unobstructed access for the turning tool on the end face of the component. Particularly suitable for copy turning. 321265 - Flexible application thanks to exchangeable inserts. For general use on turrets and counter-spindles on CNC machines. Optional extras: 321265 - Exchangeable inserts No. 320627 - 320631 Note: Draw-off nut for NC machines to remove tip from tailstock sleeve. -1 S ) L 321255 Morse taper I 4 1 5 s 321255 Revolving lathe centre 60" 683.10 702.90 1014.75 -321260 Revolving lathe centre 60°/30° 707.85 726.17 1127.12 - 321265 Revolving lathe centre for interchangeable heads. 757.35 1059.30 1188.00 Body 0D (321255,321260) mm 52 60 72 Reach B (321255) mm 94 106 136 Reach B (321260) mm 104 116 146 largest centre point 0 60° A (321255) mm 25 28 35 largest centre point 0 60° A (321260) mm 8 8 10 largest centre point 0 30° A (321260) mm 25 28 35 maximum radial run-out (321255,321260) mm 0.003 maximum radial run-out (321265) mm 0.005 Centre point length C (321255) mm 30 35 43 Centre point length C (321260) mm 40 45 53 maximum speed min-1 12000 10000 8000 for workpiece weight (32 1 255) kg 600 1200 2200 for workpiece weight (321260) kg 500 1000 2000 for workpiece weight (321265) kg 400 800 1400 L, (321265) mm 56 63 82 Lj (321265) mm 10 10 14 00,(321265) mm 12 14 18 0D, (321265) mm 25 28 35 suitable for colour code (321265) Colour code: K12 K14 K18 Extended point for unobstructed access to the turning tool. 797