IR-C
High precision power chuck Ø 660 - 2500 mm ■ Radial setting of jaws ■ Closed center ■ 3 and 6 jaws (660 - 800: 3 jaws / 1000 - 2500: 3 and 6 jaws) Application/customer benefits • Chucking operations of very large components • Suitable for vertical machines thanks to the front protection of the slide ways IR-C: Manual radial setting of master jaws, TONGUE & GROOVE (type “American Standard”) (all diameters) Technical features • Gripping force transmission via wedge hook • Front protection of the slide ways against swarf and chips penetration • IR-C chucks with manual radial setting of master jaws for the workpiece centering Standard equipment Ordering example 3- or 6-jaw chuck 6-jaw chuck IR-C 1600 / Z720 1 set soft top jaws Mounting bolts Grease gun
TONGUE & GROOVE
Actual gripping force diagrams
Soft and hard top jaws for IR-C
110
62 55
120 100 160 200 240 320 280 360 400 120 100 160 200 240 320 280 360 400
F G
1000-IRC-3
F
1250-IRC-3
1250-IRC-6 1000-IRC-6
0
100
200
500
630
300
400
13086310
1600-IRC-3
13046310
1400-IRC-3
F G
Soft top jaws
Hard top jaws
F
2500-IRC-6
2000-IRC-6
1800-IRC-3
70
1800-IRC-6
2000-IRC-3
43
32
1400-IRC-6 1600-IRC-6
0
100
200
300
400 450
100 120 140 160 200 180 220 240
F G
F
800
660
0
200
400
600
800 900
Speed (r.p.m.)
12045050
12087111
The data in the diagrams refer to 3-6 jaw chucks, newly maintained according to their service manuals using SMW-AUTOBLOK K67 grease. The static and dynamic gripping forces have been measured using standard soft top jaws, placed in a position not exceeding the outer diameter of the chuck.
Safety advice / danger of damage: When using taller / heavier jaws and / or clamping on a bigger diameter reduce draw pull / rotating speed accordingly.
Technical data SMW-AUTOBLOK Type Number of jaws Radial jaw stroke (+ manual setting)
IR-C 660 IR-C 800 IR-C 1000 IR-C 1250 IR-C 1400 IR-C 1600 IR-C 1800 IR-C 2000 IR-C 2500 3 3 363636363636 6 20 + (20) 20 + (30) 23 + (30) 23 + (30) 24 + (40) 24 + (40) 24 + (40) 24 + (40) 30 + (40) 50 50 57 57 60 60 60 60 60 120 120 180 180 200 200 200 200 270 215 215 320 320 360 360 360 360 380 850 700 630 450 500 360 450 320 400 280 350 250 320 230 200 390 520 600 800 1200 1600 1800 2500 5100 15.5 25 68 145 280 500 750 1250 3860 12087111 12087111 13086310 13086310 13086310 13086310 13086310 13086310 13086310 12045050 12045050 13046310 13046310 13046310 13046310 13046310 13046310 13046310 SIN-S 150-175-200 SIN-S 150-175-200 SIN-S 250 SIN-S 250 SIN-S 250 SIN-S 250 SIN-S 250 SIN-S 250 SIN-S 250 77996602 77998022 77137339 77137349 77137355 77137363 77137371 77137379 - - - 77137639 77137649 77137655 77137663 77137671 77137679 77137685
mm mm
Axial piston stroke Max. draw pull* Max. gripping force*
kN kN
Max. speed
r.p.m.
Weight (without top jaws)
kg
Moment of inertia
kg·m 2 Id. No.
Hard, reversible top jaw (piece)
Soft top jaw (piece) Id. No. Recommended actuating cylinders Type
Id. No. IR-C 3 jaws (Center mounting) Id. No. IR-C 6 jaws (Center mounting)
* For internal clamping reduce the draw pull by 30%.
90 SMW-AUTOBLOK
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