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Pratt Burnerd/Atlas Air Powered Front Mount 5C Dead Length Collet Chucks

No Draw-Tube or Air Feed Tubes Required: for Lathes, Rotary Tables and Grinders: Series ATL206-5C

  • No Hydraulic System Required

  • No Draw Tube or Air Feed Tubes Restricting Spindle Bore

  • No Rear Cylinders and Cylinder Adapters

  • Low Cost

  • Easily Convert any Lathe or Grinder into a Production Machine

  • Ideal for Rotary Table Applications

  • Change from Collet Chuck to Standard Chuck Quick and Easy

  • High Speed 2800 RPM

  • High Accuracy Less Than .001” TIR

  • Repeats on Duplicate Parts Plus Minus .0015”

  • Dead Length Design

  • For Best Accuracy Use High Quality CRAWFORD COLLETS

  • Lever or Foot Pedal Actuated

  • Low Maintenance with Oil Mist Lubrication System

  • High Resistance to Coolant and Chip Penetration

  • Uses 5C Collets, Range 1/64″ (.5mm) to 1-1/8″ (27mm)

  • Available in A, D, L, 4 Degree, Threaded and Straight Recess Mounting

PRATATLAS ATL5C AIR ROTATCOLLET CHUCK.png

NOTE: “E” shown is for model ATL206-5C Collet Chuck with no mounting plate.
Add 3/4" to the “E” dimension for mounting plate. This will vary slightly depending on the
mounting required. If an exact “E” dimension is required, consult factory.

OPTIONS: Order No: LEV100 Lever Control Package: (Includes: Lever Control, Line Filter, Lubricator and regulator.)
Order No: FOT200 Foot Pedal Control Package: (Includes: Foot Pedal, Line Filter, Lubricator and regulator.)

Collet Chuck
DIM.
ATL206-5C
Specifications
ATL206-5C-1
Collet Chuck Order No. with Mount:
A
168mm (6.61")
Screw Hole Dia
9mm (0.35") x 4
ATL206-5C
B
130mm (5.12")
Collet Type
5C Collets
Straight Recess Mount
C
26mm (1.02")
Max. RPM
2800
Type A Mount
ATL206-5CA4
ATL206-5CA5
ATL206-5CA6
ATL206-5CA8
D
4.5mm (0.18")
Sleeve Stroke
4mm (0.16")
Type D Mount
E
100mm (3.94")
Air Pressure
3-8 kg/cm2 (42-114 psi)
ATL206-5CD3
ATL206-5CD4
ATL206-5CD5
ATL206-5CD6
ATL206-5CD8
F
55mm (2.17")
Through Hole Dia
26mm (1.06")
Other Mounts
G
116mm (4.57")
Chuck Weight
10kg (22lbs)
ATL206-5C43-2-1/4-8
ATL206-5C44-4 DEG.-Taper
ATL206-5C45-2-3/16-10
ATL206-5C46-2-3/8-6
H
147mm (5.79")
Grip Force
7,623 lbs @ 100 PSI
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