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4th axis

Motorized pneumatic chuck spindle

Motorized Pneumatic Chuck Spindle — 4th Axis — BHF 5-EMSR-PNE

C-axis integration on 3-axis machining centers

5,000 rpm max
< 2 µm runout
400 daN max clamping force
11 N·m max torque
Motorized pneumatic chuck spindle BHF 5-EMSR-PNE — Brochexpress

BHF 5-EMSR-PNE motorized chuck spindle — 3-jaw pneumatic clamping, C-axis integration

The BHF 5-EMSR-PNE is a motorized pneumatic chuck spindle designed for C-axis integration on an existing 3-axis machining center, enabling multi-face machining without repositioning the workpiece. With a rotation speed of up to 5,000 rpm and 3-jaw pneumatic clamping, this motorized chuck spindle is suited to precision machining in watchmaking, aerospace and precision engineering.

Drive

Max speed
5,000 rpm
Torque S1 at vmax
3.91 N·m
Max torque
11 N·m
Power S1
0.2 kW
Motor
Synchronous 3-phase
Encoder
Lenord+Bauer sin/cos

Pneumatic clamping

Max clamping force
400 daN @ 6 bar
Pneumatic supply
6 bar max
Gear wheel
256 teeth, m0.3
Conduit
HFX polyurethane 2.9 m

Precision & rotation

Runout
< 2 µm
Bearings
Precision angular contact
Lubrication
Lifetime (L182 grease)

Dimensions & mounting

Outer diameter
Ø 155 mm
Weight
19.76 kg
Table mount
100 mm pitch, 4× M6

Areas of application

  • Multi-face machining without repositioning on a 3-axis center
  • Watchmaking — precision components
  • Aerospace — complex multi-face parts
  • Precision engineering — series production
4th axis C-axis Pneumatic clamping Watchmaking

Key advantages

  • Turns an existing 3-axis center into 4 axes, without changing machines
  • Sealed version available for abrasive environments
  • Pick-up plate for rotation axis correction
  • Maintenance-free bearings, lifetime lubricated
Mechanical parts in treated and ground steel, burnished and nickel-plated exteriors

Interested in the BHF 5-EMSR-PNE?

Contact our team for a quote or detailed technical information.

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