HSK-A125 Shrink Fit Chuck Heavy Duty Shrink Chuck

Certificate of Quality

Chuck body fine balanced G2.5 at 25.000 rpm or U < 1 gmm
All functional surfaces fine machined
More accurate than DIN
Cool Jet, can be sealed

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HSK-A125 Shrink Fit Chuck Heavy Duty Shrink Chuck

Heavy Duty Shrink Chuck with Safe-Lock™
DIN 69893-1 · HSK-A125

Certificate of Quality

Chuck body fine balanced G2.5 at 25.000 rpm or U < 1 gmm
All functional surfaces fine machined
More accurate than DIN
Cool Jet, can be sealed

Heavy Duty Shrink Chuck with Safe-Lock™
DIN 69893-1 · HSK-A125

Shrink fit chuck suitable to all high performance inductive shrink fit units.

For heavy machining applications it is now possible to replace the Weldon tool holders finally. The Heavy Duty Chuck is the shrink fit chuck for extreme cases. The contour is optimized for highest rigidity and clamping force.

No deformation at the tool shank after shrink process
High runout accuracy: 3 μm
Reinforced outer contour
With internal groove in the clamping bore
With threaded holes in order to balance with balancing screws
With Cool Jet bores that can be sealed (Thread M4) and 6 bores
Higher coolant flow rate due to optimized coolant bores
Cooling with Cool Flash for an extra charge
Safe-Lock™ pull out protection included

To shrink with all HAIMER Power Clamp 20 kW shrink fit units and shrink fit machines with 13 kW HD-Coil.

Technical data subjects to change without prior notice.

Features Heavy Duty Shrink Chuck

The most important features:

1. High runout accuracy (< 3 μm)
2. Reinforced wall thickness at the clamping range
3. Extremly rigid outer geometry
4. Dirt groove in the clamping bore for safe clamping force
5. Expansion grooves in the clamping bore
6. Standard with Cool Jet (can be re-sealed)
7. Safe-Lock™ (optional)

Features Heavy Duty Shrink Chuck

The most important features:

1. High runout accuracy (< 3 μm)
2. Reinforced wall thickness at the clamping range
3. Extremly rigid outer geometry
4. Dirt groove in the clamping bore for safe clamping force
5. Expansion grooves in the clamping bore
6. Standard with Cool Jet (can be re-sealed)
7. Safe-Lock™ (optional)

Safe-Lock™ for Shrink Fit Chucks

Safe-Lock™ pull out protection

Highly accurate clamping due to shrink fit technology
High torque due to form closed clamping
No loss of accuracy
No pull out and no spinning ot the tool
Groove on tool shank is directed so that the tool will be pulled into the chuck (depending on direction of rotation)

Safe-Lock™ for Shrink Fit Chucks

Safe-Lock™ pull out protection

Highly accurate clamping due to shrink fit technology
High torque due to form closed clamping
No loss of accuracy
No pull out and no spinning ot the tool
Groove on tool shank is directed so that the tool will be pulled into the chuck (depending on direction of rotation)

Cool Jet for Shrink Fit Chucks

Cool Jet

Optimized coolant bores, aimed at center
Coolant directly to the cutting edge
Extended tool life up to 100%
Higher reliability of cutting process
No more balls of chips on tool

Cool Jet for Shrink Fit Chucks

Cool Jet

Optimized coolant bores, aimed at center
Coolant directly to the cutting edge
Extended tool life up to 100%
Higher reliability of cutting process
No more balls of chips on tool

Cool Flash

Cool Flash (optional)

Optimized coolant bores with coolant outlet through slots
Coolant directly to the cutting edge
Extended tool life up to 100%
No more balls of chips on tool
Optimized runout accuracy! No additional unbalance! No disturbing clearance!
Cool Flash available for shank diameter 1/4" (6 mm) - 1 1/4" (25 mm)

Cool Flash

Cool Flash (optional)

Optimized coolant bores with coolant outlet through slots
Coolant directly to the cutting edge
Extended tool life up to 100%
No more balls of chips on tool
Optimized runout accuracy! No additional unbalance! No disturbing clearance!
Cool Flash available for shank diameter 1/4" (6 mm) - 1 1/4" (25 mm)

HSK-A125 Shrink Fit Chuck Heavy Duty Shrink Chuck Technical Drawing

Clamping Ø D1 [inch]	5/8
Ø D2 [inch]	2.01
Ø D3 [inch]	4.29
L [inch]	1.97

Order No.

Gage length A in inch

A125.150.5/8Z.67.I

ZG5 inch, 5.00 inch

DXF

Step

A125.152.5/8Z.67.I

oversize, 7.00 inch

DXF

Step

A125.156.5/8Z.67.I

ZG9 inch, 9.00 inch

DXF

Step

Clamping Ø D1 [inch]	3/4
Ø D2 [inch]	2.28
Ø D3 [inch]	4.29
L [inch] ZG5	2.05
L [inch]	2.05

Order No.

Gage length A in inch

A125.150.3/4Z.67.I

ZG5 inch, 5.00 inch

DXF

Step

A125.152.3/4Z.67.I

oversize, 7.00 inch

DXF

Step

A125.156.3/4Z.67.I

ZG9 inch, 9.00 inch

DXF

Step

Clamping Ø D1 [inch]	1
Ø D2 [inch]	2.48
Ø D3 [inch]	4.29
L [inch]	2.28

Order No.

Gage length A in inch

A125.150.1Z.67.I

ZG5 inch, 5.00 inch

DXF

Step

A125.152.1Z.67.I

oversize, 7.00 inch

DXF

Step

A125.156.1Z.67.I

ZG9 inch, 9.00 inch

DXF

Step

Clamping Ø D1 [inch]	1 1/4
Ø D2 [inch]	2.76
Ø D3 [inch]	4.29
L [inch]	2.28

Order No.

Gage length A in inch

A125.150.11/4Z.67.I

ZG5 inch, 5.00 inch

DXF

Step

A125.152.11/4Z.67.I

oversize, 7.00 inch

DXF

Step

A125.156.11/4Z.67.I

ZG9 inch, 9.00 inch

DXF

Step

Clamping Ø D1 [inch]	1 1/2
Ø D2 [inch]	3.23
Ø D3 [inch]	4.29
L [inch]	3.46

Order No.

Gage length A in inch

A125.150.11/2Z.67.I

ZG5 inch, 5.00 inch

Without back-up screw
L=87,5mm

DXF

Step

A125.152.11/2Z.67.I

oversize, 7.00 inch

DXF

Step

A125.156.11/2Z.67.I

ZG9 inch, 9.00 inch

DXF

Step

Clamping Ø D1 [inch]	2
Ø D2 [inch]	3.23
Ø D3 [inch]	4.29
L [inch] ZG5	3.43
L [inch]	3.46

Order No.

Gage length A in inch

A125.150.2Z.67.I

ZG5 inch, 5.00 inch

Without back-up screw

DXF

Step

A125.152.2Z.67.I

oversize, 7.00 inch

DXF

Step

A125.156.2Z.67.I

ZG9 inch, 9.00 inch

DXF

Step

Clamping Ø D1 [mm]	16
Ø D2 [mm]	51
Ø D3 [mm]	109
L [mm]	50

Order No.

Gage length A in mm

A125.150.16.67

ZG130, 130.00 mm

DXF

Step

A125.152.16.67

oversize, 160.00 mm

DXF

Step

A125.156.16.67

ZG200, 200.00 mm

DXF

Step

Clamping Ø D1 [mm]	20
Ø D2 [mm]	58
Ø D3 [mm]	109
L [mm]	52

Order No.

Gage length A in mm

A125.150.20.67

ZG130, 130.00 mm

DXF

Step

A125.152.20.67

oversize, 160.00 mm

DXF

Step

A125.156.20.67

ZG200, 200.00 mm

DXF

Step

Clamping Ø D1 [mm]	25
Ø D2 [mm]	63
Ø D3 [mm]	109
L [mm]	58

Order No.

Gage length A in mm

A125.150.25.67

ZG130, 130.00 mm

DXF

Step

A125.152.25.67

oversize, 160.00 mm

DXF

Step

A125.156.25.67

ZG200, 200.00 mm

DXF

Step

Clamping Ø D1 [mm]	32
Ø D2 [mm]	70
Ø D3 [mm]	109
L [mm]	61

Order No.

Gage length A in mm

A125.150.32.67

ZG130, 130.00 mm

DXF

Step

A125.152.32.67

oversize, 160.00 mm

DXF

Step

A125.156.32.67

ZG200, 200.00 mm

DXF

Step

Clamping Ø D1 [mm]	40
Ø D2 [mm]	82
Ø D3 [mm]	109
L [mm]	88

Order No.

Gage length A in mm

A125.150.40.67

ZG130, 130.00 mm

Without back-up screws
L=87,5mm

DXF

Step

A125.152.40.67

oversize, 160.00 mm

DXF

Step

A125.156.40.67

ZG200, 200.00 mm

DXF

Step

Clamping Ø D1 [mm]	50
Ø D2 [mm]	82
Ø D3 [mm]	109
L [mm]	88

Order No.

Gage length A in mm

A125.150.50.67

ZG130, 130.00 mm

Without back-up screws

DXF

Step

A125.152.50.67

oversize, 160.00 mm

DXF

Step

A125.156.50.67

ZG200, 200.00 mm

DXF

Step

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