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3-jaw draw down power chuck
Draw down power chuck feature of radial clamping prevents workpiece displacement caused by uplifting; for machining casting and forging part:
3-jaw draw down power chuck
  • For the clampped work-piece is appressed to the surtace, chucks are suitable for heavy machining.
  • Chuck Actutors with cylindrical structure are durable and ensures high clamping repeatability.
  • Accurate self-centering and pull back features are adequate or precise length control machining requirements.
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Drawings

3-jaw draw down power chuck

Specification

UNIT : mm
SPEC
Model		 Plunger
Stroke
(mm)		 Jaw
Stroke
(In Dia.)
(mm)		 Max.
Pull
Force
kN(kgf)		 Max.
Gripping
Force
kN(kgf)		 Max.
Operating
Pressure
MPa(kgf/cm2)		 Max.
Speed
(r.p.m.)		 Weight
(kg)		 Moment
Of Inertia
I
(kg‧m2 )		 Matching
Cylinder		 Matching
Soft Jaw		 Gripping
O.D. Range
(mm)
DR-06 10 7.2 15(1530) 25(2549) 2.1(21.4) 3500 15 0.05 MS105C DR06-HC Ø35-Ø165
DR-08 10 7.2 25(2590) 45(4589) 2.5(25.5) 3000 25 0.14 MS125C DR08-HC Ø40-Ø210
DR-10 16 11.6 35(3569) 60(6118) 3.3(34) 2500 46 0.374 MS125C DR-10 Ø50-Ø254
DR-10D 16 11.6 35(3569) 60(6118) 3.3(34) 2500 46.1 0.376 MS125C DR-10 Ø50-Ø254
DR-12 16 11.6 44(4487) 71(7240) 3(30.6) 2000 76 0.88 MS150C DR-12 Ø50-Ø304
DIM
Model		 A B C H J K M N
max.		 N
min.		 P
max.		 P
min.		 Q
max.		 Q
min.		 S T U W1 W2 X
max.		 X
min.		 V1 V2 V3
DR-06 165 85 140 104.78 16 6xM10 5 58 54.4 33 23 14 4 36 35 M16x2.0 32 33.5 45 35 35 20 M6x12
DR-08 210 90 170 133.35 15 6xM12 5 71.3 67.7 38 28 15 5 36 40 M20x2.5 37 42 56 46 45 25 M8x16
DR-10 254 110 220 171.45 23 6xM16 5 85.4 79.6 48 32 20 4 46 50 M24x3.0 50 60 66 50 55 30 M8x16
DR-10D 254 110 220 171.45 23 6xM16 5 87.8 82 48 32 22.6 6.6 46 50 M24x3.0 50 60 68.6 52.6 85 30 M12x18
DR-12 304 125 220 171.45 23 6xM16 5 102.9 97.1 47 31 21.5 5.5 50 60 M27x3.0 52 60 72.5 56.5 100 35 M12x18