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Heavy Duty Shrink Chuck, DIN ISO 7388-1, SK50

(formerly DIN 69871)
Heavy Duty Shrink Chuck for 13 kW shrink fit machine DIN ISO 7388-1 SK50 (formerly DIN 69871)
Technical drawing Heavy Duty Shrink Chuck for 13 kW shrink fit machine DIN ISO 7388-1 SK50 (formerly DIN 69871)
Heavy Duty Shrink Chuck for 13 kW shrink fit machine DIN ISO 7388-1 SK50 (formerly DIN 69871)
Technical drawing Heavy Duty Shrink Chuck for 13 kW shrink fit machine DIN ISO 7388-1 SK50 (formerly DIN 69871)
Order number:
Clamping diameter
A-length version
Upgrade
Heavy Duty Shrink Chuck, DIN ISO 7388-1, SK50
(formerly DIN 69871)
Quality pass
Chuck fine balanced G2.5 at 25.000 rpm or U < 1 gmm
All functional surfaces fine machined
Taper tolerance AT3
Coolant supply form AD/AF
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. Heavy Duty Chuck is the shrink fit chuck for extreme cases. The contour is optimized for highest rigidity and clamping force.
  • Smooth clamping of the tool shank
  • No deformation at the tool shank after shrink process
  • High runout accuracy: 3 μm
  • Reinforced outer contour
  • With dirt groove in the clamping bore
  • With threaded holes in order to balance with balancing screws
  • Cool Jet bores that can be sealed included
  • To shrink with all HAIMER Power Clamp 20 kW shrink fit units and shrink fit machines with 13 kW HD-Coil
Scope of Delivery
  • With backup screw
HAIMER TIP
For RPM higher 8000 U/min we recommend the optional cooling system Cool Flash. (on request)
The most important features:
  • 1. High runout accuracy (< 0.003 mm)
  • 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)
Cool Jet (optional)
  • 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 starting from shank diameter 6 mm
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 6 - 25 mm
Heavy Duty Shrink Chuck, DIN ISO 7388-1, SK50
asset-113987-1225
Description Norm: Value: metric/ inch
Clamping diameter D1 0.63 inch
Length A A 3.15 inch
A-length version short
Diameter 2 D2 1.811 inch
Length L 1.969 inch
Interface SK50
Upgrade with Cool Jet
Mass (weight) D7 7.781 lbs
Standard number of properties layout NSM DIN4000-89
Flange diameter A4 3.839 inch
Interference diameter A6 1.811 inch
Length body diameter 1 B1 2.398 inch
Protruding length B3 3.15 inch
Overall length B4 7.156 inch
Taper angle B51 4,5 °
Functional length B71 1.181 inch
item style code BLDf 1
item style code BLD 508145
Connection code type machine side C11 SKG
Connection code form type machine side C12 17
Connection thread nominal size machine side C13 M24
Connection code unit base machine side C14 9
Connection code style machine side C15 5
Connection size code machine side C2 0500
Connection code type workpiece side C51 ZYL
Connection code form type workpiece side C52 10
Connection code unit base workpiece side C54 1
Connection code style workpiece side C55 5
Connection size code workpiece side C6 0160
Connection diameter min C71 16
Clamping length max. / nominal length C81 1.969 inch
Clamping length, min., workpiece side C82 1.575 inch
Balance grade D5 G2,5/25000
Rotation speed, max D6 25000
Balancing device D51 1
Hand E1 N
coolant entry style code H21 7
coolant exit style code H22 3
Company identification J3 HAI
interface code to workpiece side J4 ZYL01600115
interface code to machine side J6 SKG05001795
Weight WT 7.781 lbs
Standard number of properties layout NSM DIN4000-89
Flange diameter DF 3.839 inch
Interference diameter DCINTF 1.811 inch
Length body diameter 1 LBD1 2.398 inch
Protruding length LPR 3.15 inch
Overall length OAL 7.156 inch
Taper angle TA 4,5 °
Functional length LF 1.181 inch
Connection code type machine side CCTMS SKG
Connection code unit base workpiece side CCUWS 1
Connection code style workpiece side CCSWS 5
Connection size code workpiece side CZCWS 0160
Connection diameter min DCONN 16
Clamping length max. / nominal length LSCX 1.969 inch
Hand HAND N
coolant entry style code CNSC 7
coolant exit style code CXSC 3
Company identification COMPC HAI
Heavy Duty Shrink Chuck, DIN ISO 7388-1, SK50
(formerly DIN 69871)
Quality pass
Chuck fine balanced G2.5 at 25.000 rpm or U < 1 gmm
All functional surfaces fine machined
Taper tolerance AT3
Coolant supply form AD/AF
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. Heavy Duty Chuck is the shrink fit chuck for extreme cases. The contour is optimized for highest rigidity and clamping force.
  • Smooth clamping of the tool shank
  • No deformation at the tool shank after shrink process
  • High runout accuracy: 3 μm
  • Reinforced outer contour
  • With dirt groove in the clamping bore
  • With threaded holes in order to balance with balancing screws
  • Cool Jet bores that can be sealed included
  • To shrink with all HAIMER Power Clamp 20 kW shrink fit units and shrink fit machines with 13 kW HD-Coil
Scope of Delivery
  • With backup screw
HAIMER TIP
For RPM higher 8000 U/min we recommend the optional cooling system Cool Flash. (on request)
The most important features:
  • 1. High runout accuracy (< 0.003 mm)
  • 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)
Cool Jet (optional)
  • 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 starting from shank diameter 6 mm
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 6 - 25 mm
Heavy Duty Shrink Chuck, DIN ISO 7388-1, SK50
asset-113987-1225
Description Norm: Value: metric/ inch
Clamping diameter D1 0.63 inch
Length A A 3.15 inch
A-length version short
Diameter 2 D2 1.811 inch
Length L 1.969 inch
Interface SK50
Upgrade with Cool Jet
Mass (weight) D7 7.781 lbs
Standard number of properties layout NSM DIN4000-89
Flange diameter A4 3.839 inch
Interference diameter A6 1.811 inch
Length body diameter 1 B1 2.398 inch
Protruding length B3 3.15 inch
Overall length B4 7.156 inch
Taper angle B51 4,5 °
Functional length B71 1.181 inch
item style code BLDf 1
item style code BLD 508145
Connection code type machine side C11 SKG
Connection code form type machine side C12 17
Connection thread nominal size machine side C13 M24
Connection code unit base machine side C14 9
Connection code style machine side C15 5
Connection size code machine side C2 0500
Connection code type workpiece side C51 ZYL
Connection code form type workpiece side C52 10
Connection code unit base workpiece side C54 1
Connection code style workpiece side C55 5
Connection size code workpiece side C6 0160
Connection diameter min C71 16
Clamping length max. / nominal length C81 1.969 inch
Clamping length, min., workpiece side C82 1.575 inch
Balance grade D5 G2,5/25000
Rotation speed, max D6 25000
Balancing device D51 1
Hand E1 N
coolant entry style code H21 7
coolant exit style code H22 3
Company identification J3 HAI
interface code to workpiece side J4 ZYL01600115
interface code to machine side J6 SKG05001795
Weight WT 7.781 lbs
Standard number of properties layout NSM DIN4000-89
Flange diameter DF 3.839 inch
Interference diameter DCINTF 1.811 inch
Length body diameter 1 LBD1 2.398 inch
Protruding length LPR 3.15 inch
Overall length OAL 7.156 inch
Taper angle TA 4,5 °
Functional length LF 1.181 inch
Connection code type machine side CCTMS SKG
Connection code unit base workpiece side CCUWS 1
Connection code style workpiece side CCSWS 5
Connection size code workpiece side CZCWS 0160
Connection diameter min DCONN 16
Clamping length max. / nominal length LSCX 1.969 inch
Hand HAND N
coolant entry style code CNSC 7
coolant exit style code CXSC 3
Company identification COMPC HAI
All product variants
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Order No. A-length version Clamping diameter Interface Length A Upgrade Downloads metric/ inch
50.440.16.6 short 0.63 inch SK50 3.15 inch with Cool Jet
Download after registration
50.440.16.67 short 0.63 inch SK50 3.15 inch with Safe-Lock and Cool Jet
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50.450.16.6 short 0.63 inch SK50 3.15 inch with Cool Jet
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50.450.16.67 short 0.63 inch SK50 3.15 inch with Safe-Lock and Cool Jet
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50.450.20.6 short 0.787 inch SK50 3.346 inch with Cool Jet
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50.450.20.66 short 0.63 inch SK50 3.15 inch with Cool Jet
50.450.20.67 short 0.787 inch SK50 3.346 inch with Safe-Lock and Cool Jet
Download after registration
50.450.25.6 short 0.984 inch SK50 3.543 inch with Cool Jet
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50.450.25.67 short 0.984 inch SK50 3.543 inch with Safe-Lock and Cool Jet
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50.450.32.6 short 1.26 inch SK50 3.543 inch with Cool Jet
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50.450.32.67 short 1.26 inch SK50 3.543 inch with Safe-Lock and Cool Jet
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50.450.40.6 short 1.575 inch SK50 3.937 inch with Cool Jet
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50.450.40.67 short 1.575 inch SK50 3.937 inch with Safe-Lock and Cool Jet
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50.450.50.6 short 1.969 inch SK50 5.512 inch with Cool Jet
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50.450.50.67 short 1.969 inch SK50 5.512 inch with Safe-Lock and Cool Jet
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50.452.16.6 oversize (160 mm) 0.63 inch SK50 6.299 inch with Cool Jet
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50.452.16.67 oversize (160 mm) 0.63 inch SK50 6.299 inch with Safe-Lock and Cool Jet
Download after registration
50.452.20.6 oversize (160 mm) 0.787 inch SK50 6.299 inch with Cool Jet
Download after registration
50.452.20.67 oversize (160 mm) 0.787 inch SK50 6.299 inch with Safe-Lock and Cool Jet
Download after registration
50.452.25.6 oversize (160 mm) 0.984 inch SK50 6.299 inch with Cool Jet
Download after registration
50.452.25.67 oversize (160 mm) 0.984 inch SK50 6.299 inch with Safe-Lock and Cool Jet
Download after registration
50.452.32.6 oversize (160 mm) 1.26 inch SK50 6.299 inch with Cool Jet
Download after registration
50.452.32.67 oversize (160 mm) 1.26 inch SK50 6.299 inch with Safe-Lock and Cool Jet
Download after registration
50.452.40.6 oversize (160 mm) 1.575 inch SK50 6.299 inch with Cool Jet
Download after registration
50.452.40.67 oversize (160 mm) 1.575 inch SK50 6.299 inch with Safe-Lock and Cool Jet
Download after registration
50.452.50.6 oversize (160 mm) 1.969 inch SK50 6.299 inch with Cool Jet
Download after registration
50.452.50.67 oversize (160 mm) 1.969 inch SK50 6.299 inch with Safe-Lock and Cool Jet
Download after registration
50.456.16.6 ZG200 0.63 inch SK50 7.874 inch with Cool Jet
Download after registration
50.456.16.67 ZG200 0.63 inch SK50 7.874 inch with Safe-Lock and Cool Jet
Download after registration
50.456.20.6 ZG200 0.787 inch SK50 7.874 inch with Cool Jet
Download after registration
50.456.20.67 ZG200 0.787 inch SK50 7.874 inch with Safe-Lock and Cool Jet
Download after registration
50.456.25.6 ZG200 0.984 inch SK50 7.874 inch with Cool Jet
Download after registration
50.456.25.67 ZG200 0.984 inch SK50 7.874 inch with Safe-Lock and Cool Jet
Download after registration
50.456.32.6 ZG200 1.26 inch SK50 7.874 inch with Cool Jet
Download after registration
50.456.32.67 ZG200 1.26 inch SK50 7.874 inch with Safe-Lock and Cool Jet
Download after registration
50.456.40.6 ZG200 1.575 inch SK50 7.874 inch with Cool Jet
Download after registration
50.456.40.67 ZG200 1.575 inch SK50 7.874 inch with Safe-Lock and Cool Jet
Download after registration
50.456.50.6 ZG200 1.969 inch SK50 7.874 inch with Cool Jet
Download after registration
50.456.50.67 ZG200 1.969 inch SK50 7.874 inch with Safe-Lock and Cool Jet
Download after registration
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