LONG NOSE COLLETS

Schlenker long nose 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 LONG NOSE COLLETS

Long nose collets are used in the sub spindle for gripping the workpiece. The long nose provides better accessibility to the workpiece. To prevent the long nose collets from breaking during short clamping, they are supplied with a reinforced spring area.

d Shaft OD
A Head OD
B Nose OD
V Long nose length
E Total long nose length
L Total length
K Taper angle
G Thread
F Shape
Article Ø d
[mm]
Ø A
[mm]
Ø B
[mm]
V
[mm]
E
[mm]
L
[mm]
K
[degree]
G F
min. – max. [mm]
E116 VBV
F13-2014
13 19 13 6 12 70 16 0,5 – 9,5
E116 VBV
M11x0,75
13 19 13 6 12 70 16 M11x0,75 0,5 – 9,5
E120 VBV
F15
15 21 15 7
9
13
15
71
73
16 0,5 – 12,0
E120 VBV
M12x0,75
15 21 15 7
9
13
15
71
73
16 M12x0,75 0,5 – 12,0
E1212 VBV
F16
16 21 16 7
9
13
15
71
73
16 0,5 – 12,0
E1212 VBV
F16
M14x0,75
16 21 16 7
9
12
14
70
72
16 M14x0,75 0,5 – 12,0
E136 VBV
F20
20 26 19 8
10
13
15
62
64
15 0,5 – 16,0
E136 VBV
M18x1
20 26 19 8
10
13
15
62
64
15 M18x1 0,5 – 16,0
E138 VBV
F20
20 28 21 8
13
15
20
75
80
16 0,5 – 16,0
E138 VBV
M17x0,75
20 28 21 8
13
15
20
75
80
16 M17x0,75 0,5 – 16,0
E145 VBV
F25
25 35 27 10
15
20
25
87
92
16 0,5 – 20,0
E145 VBV
M22x1
25 35 27 10
15
20
25
87
92
16 M22x1 0,5 – 20,0
E1446 VBV
EF30-101
30 38 32 14 20 79 15 1,0 – 26,0
E161
F32-221
32 45 34 15 23 90 15 1,0 – 25,0
E163 VBV
F35
35 48 38 19 27 99 15 1,0 – 30,0
E1536 VBV
F37
37 47 40 10
15
20
25
102
107
16 1,0 – 32,0
E164 VBV
F38-76-2004
38 49 38 15 24,5 123 15 1,0 – 32,0
E173 VBV
F48-76-2006
48 60 50 19 28 113 15 2,0 – 42,0

LONG NOSE COLLETS OPTIONS

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

CLAMPING SURFACE DESIGNS
Shapes
Slot designs
Wear reduction
Positioning
Additional versions
Inserts

LONG NOSE COLLETS CLAMPING SURFACE DESIGNS

All options

SMOOTH – STANDARD

  • Standard long nose collet
  • Mainly used on the sub spindle
Details

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GROOVED

  • Mainly used on the sub spindle
  • With additional grooves
Details

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CARBIDE COATING

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

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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
Details

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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
Details

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LONG NOSE COLLETS SHAPES

All options

SMALL BORE SIZES

  • Produceable from Ø0.2 – 0.99 mm
Details

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SQUARE

  • Suitable for clamping square material
Details

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HEXAGON

  • Suitable for clamping hexagon material
Details

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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
Details

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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
Details

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ECCENTRIC

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

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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
Details

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INNER CONICAL

  • For gripping conical workpieces
  • The taper angle of the collet is precisely adapted to the workpiece
Details

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LONG NOSE COLLET 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
Details

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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
Details

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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
Details

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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
Details

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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
Details

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LONG NOSE COLLETS WEAR REDUCTION

All options

CARBIDE INSERT

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

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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
Details

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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
Details

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LONG NOSE COLLETS POSITIONING

All options

SLOT IN CONE

  • Slot is placed in the cone of the collet
  • Used to position the collet in the machine for special as well as square and hexagon shapes
Details

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SLOT IN SHAFT

  • Slot is placed in the shaft of the collet
  • Used to position the collet in the machine for special as well as square and hexagon shapes
Details

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SLOT IN FRONT-SURFACE

  • Slot is placed in the front-surface of the collet
  • Used to position the collet in the machine for special as well as square and hexagon shapes
Details

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ALIGNMENT SURFACE

  • The alignment surface on the collet is used to position complex profiles and special contours
  • Is only producible in combination with a slot
Details

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LONG NOSE COLLETS 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
Details

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BUSH

  • Is inserted in sub spindle collets
  • 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
Details

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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
Details

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