Getting started: precision start into the world of Kellenberger grinding

The KELLENBERGER K8* complements the Kellenberger program with a highly precise standardized machine with a good price/performance ratio. The design of the machine offers outstanding features like a heavy-duty one-piece cast iron machine bed for extraordinary stability and rigidity, and ultra-precise high-rigidity V-flat Z-axis guideways, meticulously hand-scraped and specially coated for superior friction reduction and long-lasting self-lubrication.

The Kellenberger K8 can optionally be equipped with a single external grinding wheel for straight and angular punch grinding or a single internal grinding spindle for flexible operations, which allows for a great number of machining tasks.

A swiveling device with automatic indexing provides multi-process machining of complex parts in a single setup. The K8 is equipped with a State-of-the-Art FANUC 0i-TF CNC control with Kellenberger user interface and 10.4″ TFT color display, plus an ergonomic handheld pendant for user friendly effortless operation.

*The KELLENBERGER K8 is distributed through its own dedicated sales organization, which also includes a service network operating to Kellenberger standards.

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FEATURES AND OPTIONS

  • High-performance precision NSK ball-screw drives on all feed axes for flawless motion control
  • Industry-leading standard absolute glass scales (Fagor) with 50 nm resolution
  • Programmable minimum feed in X/Z axes 0.1 μm
  • High-precision grinding spindle with premium angular-contact ball bearings
  • Max. wheel diameter 500 mm with 63m/s peripheral speed
  • Powerful 7.5 kw belt driven motor spindle for external grinding with smooth stepless speed control
  • Micro-adjustable tailstock with 0.5 μm taper adjustment accuracy
  • Smart longitudinal positioning probe for fast workpiece setup

CONTROL AND SOFTWARE

Universal precision spindle can be used for dead centers or chuck work; Fanuc AC servo drive, synchronous-belt transmission, programmable constant-surface-speed, air sealing.

  • Precision ball screw with Fanuc AC digital servo drive
  • Linear glass scale with air seal
  • High-accuracy linear guideways
  • Manual tailstock with taper fine-adjustment; sliding bearings, cooled by machine coolant
  • V-flat guideways, hand-scraped
  • Automatic retracting wheel guard
  • Automatic central lubrication station at rear of machine for guides and screws

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