IL-D IL-C
High precision power chuck Ø 500 - 800 mm
■ Closed center ■ Long stroke ■ 3 and 4 jaws
INCH SERRATION
TONGUE & GROOVE
Application/customer benefits • For large parts
• Suitable for vertical machines • Extra long clamping stroke (possibility to clamp 1st and 2nd operation with the same jaws) IL-D: Master jaws with INCH SERRATION (3/32’’ x 90º) IL-C: Master jaws with TONGUE & GROOVE Technical features • EXTRA long jaw stroke • Gripping force transmission via wedge hook
• Sealed against swarf and chips Standard equipment
Ordering example 3-jaw chuck IL-D 500 / A15
3- or 4-jaws chuck 1 set T-nuts with bolts
or
1 set soft top jaws (not in IL-C)
4-jaw chuck IL-C 630 / Z380
Mounting bolts
Actual gripping force diagram
The data in the diagram refer to 3-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.
120 100 140 160 180 220 200 240
800
630
Safety advice / danger of damage: When using taller / heavier jaws and / or clamping on a bigger diameter reduce draw pull / rotating speed accordingly.
500
80 60 40 20
F G
F
0
400
800
1200
1600
Speed (r.p.m.)
Technical data
SMW-AUTOBLOK Type
IL-D 500 IL-C 500
IL-D 630 IL-C 630
IL-D 800 IL-C 800
Number of jaws Radial jaw stroke Axial piston stroke Max. draw pull* Max. gripping force*
3
4
3
4
3
4
mm mm
13 33
13 33
15 38
15 38
15 38
15 38
kN kN
120 215
120 215
120 215
120 215 800 325
120 215 800 320 23.8
120 215 650 550
Max. speed
r.p.m.
1400
1100
1000 220 10.8
Weight (without top jaws)
kg
130
180
Moment of inertia
kg·m 2
4.2
5.9
16
44
Recommended actuating cylinders
Type
SIN-S 150 / 175 / 200
SIN-S 150 / 175 / 200
SIN-S 150 / 175 / 200
Id. No. IL-D (Center mounting) Id. No. IL-C (Center mounting)
77762150 77768250
77762550 77768650
77762163 77768263
77762563 77768663
77762180 77768280
77762580 77768680
* For internal clamping reduce the draw pull by 30%.
SMW-AUTOBLOK 470
SMW-AUTOBLOK 472
SMW-AUTOBLOK 335
82 SMW-AUTOBLOK
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