Page 395 - Buy Premium Tools ATORN Catalogue

Tool chucks
Tool chuck DIN 69893 HSK

Tool holding device HSK A63 HSK A63 HSK A63 HSK A63 HSK A63 HSK A63 HSK A63 HSK A63
Form A A A A A A A A
Version Short Short Short Short Short Long Long Long
Arbour Ø d1 (mm) 16 22 27 32 40 16 22 27
Arbour length L1 (mm) 17 19 21 24 27 17 19 21
Outer Ø D (mm) 32 40 48 58 70 32 40 48
Projection length A (mm) 60 60 60 60 70 100 100 100
Surface Nickel-plated Nickel-plated Nickel-plated Nickel-plated Nickel-plated Nickel-plated Nickel-plated Nickel-plated
Coolant supply Internal axial Internal axial Internal axial Internal axial Internal axial Internal axial Internal axial Internal axial
Balancing quality G 2.5 at 25 G 2.5 at 25 G 2.5 at 25 G 2.5 at 25 G 2.5 at 25 G 2.5 at 25 G 2.5 at 25 G 2.5 at 25
555
751
552
554
553
753
Ident. No.
752
551
23746... Unit price, € O. R. O. R. O. R. O. R. O. R. O. R. O. R. O. R. Clamping Technology
Tool holding device HSK A63 HSK A63
Form A A
Version Long Long
Arbour Ø d1 (mm) 32 40
Arbour length L1 (mm) 24 27
Outer Ø D (mm) 58 70
Projection length A (mm) 100 100
Surface Nickel-plated Nickel-plated
Coolant supply Internal axial Internal axial
Balancing quality G 2.5 at 25 G 2.5 at 25
755
754
Ident. No.
23746... Unit price, € O. R. O. R.
Prod. group 263
HYDRO expansion chucks
Easy tool change in a matter of seconds: ƒ Max. rotation speed 40,000 rpm (precision
Clamping with a HYDRO expansion chuck balancing recommended!)
enables you to clamp and release tools within ƒ Optimum temperature of use 20–50°C (higher 1
seconds. Axial length adjustment ensures a temperatures on request) 2
high degree of repeatability. Special sealing ƒ Axial length adjustment range approx. 10 mm 3
elements ensure absolute tightness and a high ƒ Tool clamping damps vibrations due to hydraulic
chuck service life. The chamber system filled oil-filled chamber system
with hydraulic oil ensures safe and low-vibra- ƒ Function:
tion clamping. This increases tool service life ƒ Using the hexagon key ①, the clamping screw 4
by a maximum of 4 times. Tools of various ② is screwed in as far as it will go. The pressure 5
diameters can be clamped in a holder by using pin ③ forces the hydraulic oil into the expansion
reducing sleeves. chamber ④. The pressure thus created causes an
Technical data: even deformation of the expansion sleeve ⑤. The
ƒ Concentricity tolerance < 0.003 mm tool shaft is thus clamped precisely, powerfully
and centrally.
ƒ Transferred torques: (during direct clamping)
Ø mm 6 8 10 12 14 16 18 20 25 32
Torque Nm 20 35 45 80 100 130 180 210 350 450
High-performance hydro expansion chuck DIN 69893-1 A
short and heavy-duty design
Form G 2,5
A 25000 rpm
A63 A100 IK
Application: Advantage:
For high precision, centric clamping of milling, drill- ƒ Damping properties to increase duration of tools
ing and reaming tools – particularly for milling and and service life of machine spindle
heavy-duty machining during rough machining. ƒ Very high torque transfer (Ø 20 = 450 Nm/Ø 32 =
Execution: 890 Nm)
ƒ Concentricity tolerance < 0.003 mm ƒ Vibration-damping effect reduces micro-cracks
and improves workpiece surface
ƒ With axial longitudinal adjustment ƒ All common shanks can be clamped (Ø tolerance
ƒ Flexible thanks to use of reducing sleeves h6) A
ƒ Coolant pressure up to 80 bar ƒ Sturdy version ideal for HPC+HSC metal cutting

Tool holding device HSK A63 HSK A100 d d2 D
Overall length Short-heavy Short-heavy
Form A A
Clamping Ø d (mm) 20 32 G
Outer Ø D (mm) 52.5 75 V l2
Tapered Ø d2 (mm) 49 70
Projection length A (mm) 80 100
Clamping depth l2 (mm) 51 61
Suitable for thread G M8 x 1 M8 x 1
Width across flats 3 mm 3 mm
Max. adjustment travel V (mm) 10 10
Coolant supply Internal axial Internal axial
Balancing quality G 2.5 at 25 G 2.5 at 25
Ident. No.
020
032
23738... Unit price, € O. R. (O. R.)
Prod. group 263
www.buypremiumtools.com 395