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BIG Kaiser Precision Tooling Products

Boring and facing heads

EWE Ø 2-152
EWE Ø 2-152
EWE Digital Fine Boring Head
BIG Kaiser Präzisionswerkzeuge AG
Boring and facing heads
EWE Ø 2-152
EWE 2-32, Ø 2-32 mm
EWE 2-152, Ø 2-152 mm

EWE digital fine boring heads connect to BIG KAISER's user-friendly smartphone and tablet app, making it easier to monitor and configure the head while assembling and running boring tools. As well as being able to read changes in cutting diameter, the app helps operators determine optimal cutting parameters from their tool assemblies. The app also logs historical adjustments for all tools ever synced with it, providing essential information for companies adopting smart manufacturing.
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EWE Ø 41-203
EWE Ø 41-203
EWE Digital Fine Boring Heads
BIG Kaiser Präzisionswerkzeuge AG
Boring and facing heads
EWE Ø 41-203
Fine boring heads with side mounted insert holder

EWE 41, Ø 41-74 mm
EWE 53, Ø 53-98 mm
EWE 68, Ø 68-150 mm
EWE 100, Ø 100-203 mm

Thanks to the large display on these digital boring heads, machining of extremely precise bores has become very easy. Moreover, the user friendly digital display shortens the time for adjusting the boring head by at least 20%. Thanks to intelligent electronics with automatic switch off function which, automatically stores the last displayed value, operator error can be drastically reduced.
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EWN Ø 0.4 - 152
EWN Ø 0.4 - 152
Fine boring heads
BIG Kaiser Präzisionswerkzeuge AG
Boring and facing heads
EWN Ø 0.4 - 152
Fine boring heads with centric boring bars in modular and integral execution

EWN 04-7, Ø 0.4-7 mm (smallest precision boring head in the world)
EWN 04-15, Ø 0.4-15 mm
EWN 04-22, Ø 0.4-22 mm
EWN 2-32, Ø 0.4-32 mm
EWN 2-50XL, Ø 2-152 mm
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EWN Ø 20-203
EWN Ø 20-203
Fine boring tool
BIG Kaiser Präzisionswerkzeuge AG
Boring and facing heads
EWN Ø 20-203
Fine boring heads with side mounted insert holder

EWN 20, Ø 20-36 mm
EWN 25, Ø 25-47 mm
EWN 32, Ø 32-60 mm
EWN 41, Ø 41-74 mm
EWN 53, Ø 53-98mm
EWN 68, Ø 68-150mm
EWN 100, Ø 100-203 mm

The EWN single cutter boring tool program for finishing covers a range of Ø 20 - 203 mm with only 7 precision boring heads. Large work range due to 3 different insert holders for each boring head. Insert holder can be mounted in opposite direction for an easy changeover to back boring.
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EWN/EWD Smart Damper
EWN/EWD Smart Damper
Damping System
BIG Kaiser Präzisionswerkzeuge AG
Boring and facing heads
EWN/EWD Smart Damper
The EWN/EWD Smart Damper dampens vibrations and reduces chatter in deep-hole finish boring and extended-reach face milling applications – thus achieving better surface finishes and improved metal removal rates.

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Boring devices

SW Ø 20-203
SW Ø 20-203
Rough Boring Heads
BIG Kaiser Präzisionswerkzeuge AG
Boring devices
SW Ø 20-203
Series SW 319 twin cutter rough boring heads are designed for heavy duty rough boring and semi-finishing operations. The short and compact design of the components combined with a positive and friction locked connection between the tool body and insert holders provide maximum rigidity and highest cutting performance.
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Pressurized air spindles

Air Turbine Spindle RBX
Air Turbine Spindle RBX
Air power spindle
BIG Kaiser Präzisionswerkzeuge AG
Pressurized air spindles
Air Turbine Spindle RBX
Air driven high speed micro machining spindle speeders provide improved cycle times and finishes over conventional machine tool spindles. Our air power spindle for high speed micro machining with a Ø 1.5 mm (Ø.059") or smaller cutter operates at speeds of ≥40,000 RPM to 50,000 RPM.

Available as:

- Center Through Type - Compressed air through the machine spindle
- Side Through Type - Compressed air through the stop block
- Manual Tool Change Type
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Tapping devices, attachments, spindles

MEGA Synchro Tapping Holder
MEGA Synchro Tapping Holder
Tapping Holders
BIG Kaiser Präzisionswerkzeuge AG
Tapping devices, attachments, spindles
MEGA Synchro Tapping Holder
The MEGA Synchro Tapping system is perfect for high performance rigid tapping on CNC machines. The system has 41 bodies, 45 tap holders, and offer ideal projection lengths for any machine. Thread quality and tool life is improved by reducing thrust loads caused by synchronization errors during rigid tapping.

Additionally, the Drill Tapper system provides high performance for manual applications and is a unique system for drilling and tapping. This quick-change holder lets you exchange taps and drills in seconds, providing two operations with one stable head.
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