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Horizontal Machining Center NBH 630

Cutting-edge performance data across the entire line.
 
From the evolution of the standard and NBH-Centers, MAG Hüller Hille presents the new generation machine, successor to the legendary NBH 170 and NBH 230:

  • Machine structure based on the jig boring machine-principle
  • Reduced idle times due to higher acceleration and rapid traverse rates
  • Reduced chip-to-chip time: approx. 5 seconds
  • Practice-oriented tool data, e.g. tool length up to 800 mm
  • Modular tool magazine
  • Previous tool cassettes are compatible
  • Uncomplicated connection to flexible pallet storage and automation systems
  • Modern and innovative manufacturing processes yield low investment cost

Further Technical Features

  • Digital axes drives
  • Heavily ribbed, one-piece casting with high damping characteristics
  • Digital axis drives
  • Backlash-free form rail guidance and space-coded direct position measuring systems in all linear axes, optional glass scales
  • Chip disposal system integrated in machine bed
  • Fast 180° swivel changer with rotary set-up station
  • Fast electromechanical tool changer with automatic mechanical locking when swivelling.
  • CNC control SINUMERIK 840 D with "Safety Integrated Software" for safe and practice-oriented set-up works with chip guard doors opened
  • Bosch and Fanuc CNC control systems on demand

Basic Machine

Single cast, self-supporting machine bed

  • Heavily ribbed, one-piece casting with high damping characteristics

Machine column

  • Thermosymmetric structure
  • Generous space between guideways

Guideways

  • Backlash-free form rail guidance and absolute space-coded direct position measuring systems in all linear axes, optional glass scales
  • High rigidity and stick-slip free axis movement

Digital drives

  • Direct coupled
  • High acceleration 7 m/s², rapid traverse 70 m/min

Table assembly

  • Compact cast housing
  • Direct driven rotary axis (torque table)
  • 4-cone pallet location with integrated pallet clamping
  • Air purge blocks coolant and chips

Safe and easy chip removal

  • Free chip fall
  • Optimized chip disposal via two chip grooves integrated in machine bed
  • Chip conveyor adjustable to either side of machine
  • Suitable for MQL/dry machining

Spindle

  • Motor or geared spindle with choice of tool tapers
  • Production-optimized speed variants
  • Wide torque spectrum
  • Internal coolant supply
  • Motor spindle in "cartridge design" for quick and simple servicing
  • Thermostable build
  • Positive air pressure protection against coolant and dirt

Pallet changer

  • Fast 180° swivel changer, changing time 14 s
  • Rotary loading station
  • Setup during machining cycle

Modern, powerful CNC controls

  • Siemens 840D sl
  • Bosch Rexroth IndraMotion
  • Control and drives from same supplier

Modular Tool Magazine

In respect to magazines, the new NBH 630 does not leave any wishes unfulfilled. Depending on the application required, one can choose from the following magazine types:

  • Disc-type magazine (60 tool locations)
  • Disc-type magazine (120 tool locations)
  • MAG Hüller Hille rack-type tool magazine
    (up to 300 tool locations)

All tool magazines are installed separately and do thus not affect the machine performance in any way.

Disc tool magazine
Economical tool magazine for production, with maximum  60 and/or 120 tools.
Fast tool allocation via linear tool handling device with NC drive. Utilizing a double gripper arm, the handling device changes the tool into the fast tool changer during the machine operation.

The original Hüller Hille Cassette Magazine for XXL-Tools
offers space for up to six tool cassettes holding 50 tools each.

  • Change of complete tool sets during machining time.
  • Tool station allows load and unload of single tools during machining time.
  • Vertical tool position eliminates tool taper contamination by residual coolant and chips.
  • Position coded tools, electronically managed
  • High flexibility via special cassettes for large special tools.

Tool drawer
A pull-out drawer is available as an option for the tool loading station. It allows for the exchange of up to 4 tools during machine operation. Special tools can also be changed via the drawer.

Special tools
Special cassettes are designed to store large special tools, e.g.

  • Milling cutters up to 400 mm diameter
  • Boring bars up to 800 mm length
  • Double-edge boring tools up to 600 mm diameter with max 125 mm width and 550 mm length

NBH 630 5X - Simultaneous 5-Axis Machining

Complete Machining of Complex Workpieces in a Single Setup

Horizontal Machining Center NBH 630 5X for 5-axis and single setup machining

Swivel Head for Simultaneous 5-Axis Machining [option]

For demanding machining operations, e.g. for contoured shapes and complex geometries in the areas of die and mold machining or the aerospace industry, the machine can be equipped with an swivel head.

Advantages:

  • Complete machining in a single setup (5-sided machining)
  • Optimized precision and accuracy
  • Reduced equipment for lower cost per piece
  • Reduced need for fixtures

The swivel axes are driven directly (torque motor). Advantages:

  • Full tilt capability from -180° to +180°
  • Highly precise at simultaneous 5-axis machining
  • Highly dynamic machining characteristics, rapid traverse 80 rpm
X- / Y- / Z-axis mm 1025 / 760 / 1000
Fixture height mm 800
     
Version 1    
Speed range max. rpm 10
Power 100% / 60 % duty kW 52 / 65
Torque 100 % / 60 % duty Nm 307 / 386
Tool length max. mm 520
     
Positioning error (DIN ISO 230-2) arc sec ±5’’
Rapid traverse tilt axis rpm 80
Tool taper   HSK 100/SK 50/ANSI 50
Tool diameter (maximal) mm 125 (325) ²)
Tool weight kg 40
Maximum Tool Pull – Out Torque Nm 50
Internal coolant supply spindle bar 40 / 70

1) = Swivel range limited between 0° and 180° depending on X-axis position
2) = in combination with rack-type cassette magazine

NBH 630 MT - Mill /Turn Machining

Superior Quality and Reduced Cycle Times

Horizontal Machining Center NBH 630 MT for mill/turn machining

Additional Turning Capacity [Option]

The table can optionally be equipped with a high speed rotary axis (800 rpm). In addition to milling applications, this allows for an integration of all necessary turning operations without having to reclamp the workpiece.

The advantages of complete machining in a single setup are obvious:

  • Drilling, milling and turning operations combined
  • Fewer setups result in improved workpiece quality and shorter lead times
  • Direct drive rotary axis (torque table), ensures excellent control characteristics, with no mechanical components effects
  • Precise and rigid clamping of the spindle turning tools is ensured through integration a proven and rigid coupling system
Technical Data NBH 630 MT    
Pallet clamping surface ø mm 800
Table load kg 1500
Rotary speed B-axis rpm 800
Positioning error (DIN ISO 230-2) arc sec ±5’’
Torque 100 % duty Nm 1000

Options

The variety of options delivers solutions for all machining requirements.

Swarf management coolant system

  • Coolant pressure to suit application
  • Paper band filter
  • Suction filter
  • Connection to central coolant system

Rotary table

  • Hydraulic clamping

Alternative tool taper

  • SK 50
  • HSK 100
  • BT 50
  • ANSI 50

Tool options

  • Tool breakage control unit
  • Tool and process monitoring
  • Renishaw measuring system

Guarding

  • Work area extraction
  • Rotating wiper VISIPORT
  • Coolant flush system for working area
  • Coolant flush pistol on loading station
  • Signal lamp: red/yellow/green

Control

  • High operator comfort with shop floor programming Siemens 840 D (Shop Mill)
  • Graphic programming
  • 3-D simulation
  • Remote diagnostics
  • Siemens 840D sl
  • Bosch Rexroth IndraMotion MTX
  • Fanuc CNC control systems on demand

Pallet storage systems

  • Multi-pallet storage system (MPS)
  • Linear-pallet container (LPC)
  • Multi-level pallet storage system
  • Robot and gantry loader automation

Technical Data

Horizontal Machining Center model NBH 630
Working Range    
X- / Y- / Z-axis mm 1025 / 800 / 1000
Swivel range in working area ø mm 1150 1)
Fixture height mm 1300
Position Measuring System integrated in rail [glass scales] type direct
Positioning error A (DIN ISO 230-2) mm 0.007
Pallet / Rotary Table    
Pallet clamping surface DIN 55201 mm x mm 630 x 630
Pallet load max. kg 1500
Torque table, smallest fraction deg 0.001°
Positioning error A (DIN ISO 230-2) deg 0.0028°
Pallet changing time (VDI 2852) s 14
Motor Spindle    
Speed range max. rpm 8000 / [12,000]
Spindle power 40% duty kW 66 / 66
Torque 40% duty Nm 370 / 370
Diameter in front bearing mm 100 / 100
Tool taper (DIN 69871) SK 50 / -
Tool taper (DIN 69893) HSK [100] / 100
Tool taper (ANSI) ANSI [50] / -
Gear Spindle [option]    
Speed range max. rpm 10,000
Spindle power 40% duty kW 46
Torque 40% duty Nm 1130
Diameter in front bearing mm 100
Tool taper (DIN 69871) SK 50
Tool taper (DIN 69893) HSK [100]
Tool taper (ANSI) ANSI [50]
Feed / Rapid Traverse    
Feed range X-, Y-, Z-axis mm/min 0 – 70,000
Feed force X / Y / Z axes, 40% duty approx. kN 15 / 10 / 15
Rapid traverse X-, Y-, Z-axis m/min 70
Acceleration X-, Y-, Z-axis m/s² 7
Rapid traverse B axis, (Torque) rpm 80
Tool Magazine    
Disc-type 60 tool locations no. 60
[Disc-type 120 tool locations] no. [120 (2 x 60)]
Tool diameter (maximal) mm 125 (250)
Tool length max. mm 600
Tool weight max. kg 40
Chip-to-chip time, tools up to 6 kg (VDI 2852) approx. s 5.4
Rack-type Cassette Magazine] [option]    
Tool loading/unloading station [Drawer] no. 1 [4]
Tool cassette no. 3 or [4] or [6]
Tool locations no. 150 (3 x 50) or [200 (4 x 50)] or [300 (6 x 50)]
Tool diameter (maximal) mm 125 (325) [400 ²)]
Special tools (diameter x width x length mm 600 x 125 x 550 ²)
Tool length max. mm 600 [800 ²)]
Tool weight max. kg 40
Chip-to-chip time, tools up to 6 kg (VDI 2852) approx. s 5.4
Coolant Equipment    
Tank contents approx. l 900
Pump capacity at 3 bar l/min 260
High pressure at 40 / [70] bar l/min 23 / [16]
Machine installation    
Space requirement of basic machine ³), L x W x H approx. m 7.3 x 5.5 x 3.5
Weight approx. kg 24,000
     
Technical data subject to change [...] = Option  

1) = Swivel range limited
2) = Only in special cassette
3) = Machine with 3 cassettes
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