DRAW-IN COLLETS SW&B

Schlenker draw-in collets are designed and manufactured to offer maximum precision and reliability.
By using them, you improve the processing quality and precision of your machines considerably.

USE
OPTIONS

USE OF DRAW-IN COLLETS SW&B

Draw-in collets are used for workpiece clamping as well as in all common grinding machines, dividing heads and manuel turning machines.
Clamping is performed by retracting the draw-in collet into the collet sleeve.

d Shaft OD
A Head OD
L Total length
K Taper angle
G Thread
F Shape
Article ø d
[mm]
ø A
[mm]
L
[mm]
K
[degree]
G F
min. – max. [mm]
Step bore
SW12
80-2
E318
12 16 46 15 Ø11,75×1,25
45°/5°
0,5 – 8,0 PR PR
SW12
80-2
E318
12 16 46 15 Ø11,75×1,25
45°/5°
8,01 – 12,5 PR PR PR
SW15
80-3
E321
15 20,2 58,3 15 Ø14,75×1,25
45°/5°
0,5 – 10,5 PR PR
SW15
80-3
E321
15 20,2 58,3 15 Ø14,75×1,25
45°/5°
10,51 – 16,0 PR PR PR
SW20
80-4
E349
20 26,3 73,00 15 Ø19,7×1,666
45°/5°
0,5 – 14,5 2,0 – 10,0 2,0 – 12,0
SW20
80-4
E349
20 26,3 73 15 Ø19,7×1,666
45°/5°
14,51 – 23,0 PR PR PR
SW25
80-5
E364
25 33,7 97,6 15 Ø24,7×1,693
45°/5°
0,5 – 18,0 2,0 – 12,5 2,0 – 15,5
SW25
80-5
E364
25 33,7 97,6 15 Ø24,7×1,693
45°/5°
18,1 – 29,0 PR PR PR
B32
72-65
32 40 106 15 Ø29,7×1,693
45°/5°
1,0 – 24,0 3,0 – 16,5 3,0 – 20,5
B32
72-65
32 40 106 15 Ø29,7×1,693
45°/5°
24,01 – 32,0 PR PR PR
B45
72-199
45 53 115 15 M42x1,5 5,0 – 36,0 5,0 – 25,5 5,0 – 31,0
B45
72-199
45 53 115 15 M42x1,5 36,01 – 45,0 PR PR PR

DRAW-IN COLLETS SW&B OPTIONS

We offer a wide range of options for our draw-in collets SW&B. Whether you want to simplify your work, improve your production quality or satisfy a customer specific production requirement. Test our draw-in collets SW&B now, you will be convinced.

CLAMPING SURFACE DESIGNS
Shapes
Slot designs
Wear reduction
Additional versions
Inserts

DRAW-IN COLLETS SW&B CLAMPING SURFACE DESIGNS

All options

SMOOTH – STANDARD

  • Standard draw-in collet
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GROOVED

  • With additional grooves
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AXIAL & RADIAL GROOVES

  • Higher clamping force compared to the grooved standard collet due to the additional axial grooves
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SUPERGRIP

  • Highest clamping force at the same clamping pressure of the machine due to very closely spaced axial grooves
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CARBIDE COATING

  • Carbide coating possible for all shapes
  • Roughened surface
  • Higher clamping force
  • Repeated / afterward coating possible
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EXTENDED CLAMPING LENGTH

  • Can be used for long workpieces with multiple grooves
  • Higher wrap around at the workpiece perimeter, therefore more force to clamp
  • More stable clamping for long workpieces
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SHORTENED CLAMPING LENGTH

  • Application for workpieces whose geometry behind the clamping diameter shouldn’t be damaged
  • Used for short workpieces so the ejector can be lead closer to the clamping diameter
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DRAW-IN COLLET SW&B SHAPES

All options

SQUARE

  • Suitable for clamping square material
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HEXAGON

  • Suitable for clamping hexagon material
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SPECIAL PROFILES

  • Various profiles can be realized by ram EDM or wire EDM
  • Profiles can be adapted individually to the workpiece
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SPECIAL CONTOURS

  • Complex contours can be realized by hard milling, hard turning and grinding
  • Already possible with smallest diameters from 0.2 mm
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ECCENTRIC

  • Eccentric bore can be eroded individually according to application
  • Through hole or offset hole is possible
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STEP BORES

  • Step bores are suitable for simultaneous clamping of several diameters of a workpiece
  • Very high precision as both step bores are ground in one step
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INNER CONICAL

  • For gripping conical workpieces
  • The taper angle of the collet is precisely adapted to the workpiece
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DRAW-IN COLLETS SW&B SLOT DESIGNS

All options

S-SLOT

  • High and constant clamping force
  • Clamping with virtually no clamping marks
  • Alternatively usable for profile material (corner clamping)
  • Prevents the entry of machining chips, as the collet closes almost completely
  • Easy to clean after use
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L-SLOT

  • High and constant clamping force
  • Clamping with virtually no clamping marks
  • Alternatively usable for profile material (corner clamping)
  • Prevents the entry of machining chips, as the collet closes almost completely
  • Easy to clean after use
  • Ideal for clamping short clamping surfaces
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W-SLOT

  • High and constant clamping force
  • Clamping with virtually no clamping marks
  • Alternatively usable for profile material (corner clamping)
  • Prevents the entry of machining chips, as the collet closes almost completely
  • Easy to clean after use
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Z-SLOT

  • High and constant clamping force
  • Clamping with virtually no clamping marks
  • Alternatively usable for profile material (corner clamping)
  • Prevents the entry of machining chips, as the collet closes almost completely
  • Easy to clean after use
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THIN SLOTTED

  • Clamping with virtually no clamping marks
  • Prevents the entry of machining chips, as the collet closes almost completely
  • Recommended for small bore sizes
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DRAW-IN COLLETS SW&B WEAR REDUCTION

All options

CARBIDE INSERT

  • High wear resistance
  • Prevents pressure marks on the workpiece
  • Higher service life
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BL COATING

  • Smooth surface
  • Fewer clamping marks on the material
  • Especially suitable for material with poor gliding properties
  • Prevents the welding of the material in the collet
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PREMIUM BLUE COATING

  • Economical alternative to collets with carbide insert
  • High wear resistance
  • Can also be used for special shapes
  • Are completely coated on the functional surfaces like cone and shaft therefore more durable
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DRAW-IN COLLETS SW&B ADDITIONAL VERSIONS

All options

INTERNAL STOP

  • Suitable for manual loading of the machine at a certain length
  • Prevents the displacement of the workpiece at high axial forces
  • Used to stabilize the workpiece when the clamping length is too short
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INSERT AID

  • Is inserted in main spindle collets
  • Is mainly used for small diameters
  • Minimizes vibrations as the bar material is supported along its total length
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BUSH

  • Is inserted in main spindle collets
  • An alternative to the insert aid
  • Is mainly used for medium to large diameters
  • Absorbs the vibrations of the bar material, supports it at the back and keeps it axially aligned
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SUPPORTING BUSH

  • Is inserted in sub spindle collets
  • Minimizes vibrations as the bar material is supported along its total length and keeps it axially aligned
  • Ejection is made possible in a process-safe way
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EJECTOR & INNER COOLING

  • Mechanical ejection of the workpieces
  • If required internal cooling of components can be integrated
  • For flushing the clamping surface
  • Simple change of the ejector within one collet type possible
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UP VERSION

  • High precision
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UUP VERSION

  • Highest precision
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SEALED

  • Prevents the entry of machining chips
  • The whole slot area can be sealed
  • Resealing possible
  • Not usable with high pressure flushing in the machine
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