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Liebherr segment clamping arbor SECLA

The clamping fixture for optimum quality and very fast delivery times

Clamping systems for gear manufacturing are usually very individual and have special requirements regarding concentricity and interfering contours. For this reason, it is particularly important to find the right clamping device for the application.

Liebherr’s segment clamping arbor SECLA is an innovative, inexpensive standard solution which will be delivered to you within just ten weeks. The clamping technology reduces expensive downtimes and is suitable for all Liebherr technologies (gear hobbing, shaping, skiving, grinding).

Best results with the right clamping technology

Segment clamping technology achieves exceptional, reliable and precise clamping of the workpieces from the bore. These segment clamping arbors are suitable for a wide range of applications within gear manufacturing.

They also offer further advantages compared with standard clamping fixtures. Conventional systems often reach their limits, for example with small workpieces with interfering contours – for SECLA, this is not a problem!

For example, if the workpieces have to be chamfered up to the root diameter during the ChamferCut process, the lean design is a great advantage. Despite this lean design, the clamping system always maintains excellent stability when working with large workpieces with a massive rate of metal removal, because of the very low position of the support.

Video: The operating principle of our segment clamping arbor explained

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Standard segment clamping arbor
Size 1-4

Optional

  • Collision and working area investigation*
  • Adapter for Liebherr standard machine table interface
  • Suitable grease

* may extend the delivery time

  • Suitable tools
  • Load handling attachment for ergonomic handling
  • Test workpiece and measurement report

Size   1 2 3 4
Clamping range mmØ 20 - Ø 32Ø 25 - Ø 41Ø 32 - Ø 51Ø 41 - Ø 62
Radial runout mm< 0.008< 0.008< 0.008< 0.008
Max. actuating force kN8101225
Clamping margin* mm1.51.51.52
Release stroke* mm2222.5
Max. stroke of the clamping bushing Ø mm+0.2 / -0.3+0.3 / -0.4+0.3 / -0.4+0.4 / -0.5
Permitted clamping range** Ø mm± 0.05± 0.1± 0.1± 0.2
A mm80776060
B mm20202020
C* mm135135135136
D mm140140140140
E* mm170177190.5198.5
F mm5.55.55.55.5
Ø G mm5555
Ø H mm85858585
Ø I mm60.569.58889
Ø J mm32.5 f741.5 f760 f763 f7
Ø K mm89 f789 f789 f789 f7
Ø L mm122 -0.05 / -0.2122 -0.05 / -0.2122 -0.05 / -0.2122 -0.05 / -0.2
Ø M mm9999
N mmM 6M 6M 6M 6
O mmM 6M 6M 6M 6
*for clamping units; mean value of clamping range in “clamped position”**for clamping unit with nominal bore dimension with tolerance <= IT8

Use of SECLA segment clamping technology during generating grinding of extremely precise components for cycloid gears

Application examples for the clamping system in gear technology

One segment clamping arbor with various workpiece supports and variously sized clamping elements (segment clamping bushing and tension adapter)

Optimal use for large and very small workpieces despite interfering contours

Your contact for the perfect clamping technology solution

We are happy to answer any questions about our clamping fixture.

Service for segment clamping arbor

Liebherr-Verzahntechnik GmbH
Kaufbeurer Straße 141
87437 Kempten
Germany

E-mail

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