OPERATING MANUAL FOR HIDRAULIC EXPANSION CHUCKS
SECTION B’-B”
SECTION A’-A”
B’
A’
SK DIN 69871 B shape Seal screws
Actuating screw
Minimum insertion depth of the tool
Vent screw, sealed
Piston
Clamping diameter
A”
B”
Please follow our operating instruction carefully to save time and avoid problems:
TECHNICAL INFORMATION TABLE
DEPENDING ON THE MOUNTING SHANK (rpm)
MINIMUM CLAMPING LENGHT (mm)
OPERATING TEMPERATURE (°C)
MAX COOLANT PRESSURE (bar)
CHUCK DIAMETER (HC)
TORQUE (Nm)
HC6
40.000
27
20-50
80
8
HC8
40.000
27
20-50
80
15
HC10
40.000
32
20-50
80
30
HC12
40.000
37
20-50
80
45
HC14
40.000
37
20-50
80
75
HC16
40.000
42
20-50
80
120
HC18
40.000
42
20-50
80
170
HC20
40.000
42
20-50
80
230
HC25
25.000
48
20-50
80
300
HC32
25.000
55
20-50
80
400
• Insert tools with totally cylindrical shank only and with tolerance h6 • Do not directly insert Weldon or Whistle-Notch attachments but only with reduction sleeve • Never clamp the hydraulic chuck loosely without inserting the tool first • During the clamping phase, screw the clamping screw until the end stop • If the chuck is subject to long periods of use, open and clamp again the mounted tool before reusing it
HYDRO-EXPANSION CHUCKS FOR TOOLS WITH CYLYNDRICAL SHANK
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