KNUTH MODEL BFM CNC VERTICAL MACHINING CENTER

Manufacturer

KNUTH

Model

BFM CNC

Year

Not provided

Stock #

16256

Condition

New

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Specifications

Equipped With

  BFM 2000 Pro CNCBFM 2500 Pro CNCBFM 2500 UH CNC
Working Area
X-axis travel79 in98 in98 in
Y axis travel34 in34 in33 in
Table set up area30x92 in30x112 in30x112 in
Table load capacity3,960 lbs
Number of T-slots5 positions
T-slots, width0.7 in
T-slots, spacing4.7 in
Spindle axis-to-table surface distance3.94 - 30.31 in
Work piece weight (max.)3,960 lbs
Travels
Travel X-axis78.7 in98.4 in98.4 in
Travel Y-axis34 in34 in33 in
Travel Z-axis28 in
Headstock
Spindle speed8,000 rpm8,000 rpm40 - 2,000 rpm
Spindle mountBT 40 BT 40 BT 50
Rapid Feed
Rapid Feed X-axis393.7 in/min
Rapid Feed Y-axis393.7 in/min
Rapid Feed Z-axis393.7 in/min
Feed
Feed speed X-axis196.85 in/min
Feed speed Y-axis197 in/min
Feed speed Z-axis196.85 in/min
Tool Head
Number of tool stations24 positions
Tool-change time tool/tool1.5 sec
Tool weight max.18 lbs
Accuracies
Positioning accuracy0.0002 in
Repeatability0.0001 in
Drive Capacity
Main drive motor rating (cont/30 min)11 / 15 Hp
Motor rating for X-axis drive5.9 Hp
Motor rating for Y-axis drive6.5 Hp
Motor rating for Z-axis drive6.5 Hp
Measures and Weights
Overall dimensions (length x width x height)225x110x117 in301x110x117 in301x110x117 in
Weight16,500 lbs17,600 lbs17,600 lbs

  • Modern mono-block frame made of Meehanite casting ensures excellent geometric accuracy and provides a large work area
  • All machine frame assemblies, like base, column, saddle and table, feature heavy ribbing and excellent rigidity
  • Rigid table design with extra wide saddle supporting the table and allowing table loads up to 3968 lb
  • In addition to wide 4X box-ways on Y, the machine base features support guides for the saddle, allowing maximum precision even under uneven table load distribution
  • All guideways are ground, hardened, counter-laminated with Turcite-B, and protected by premium stainless steel covers
  • Z axis drive operates with a fine-tuned counter-balance for high-precision response and minimal motor and guide wear
  • Preloaded ball screws with 2.5 in diameter on all axes
  • Custom bearing block on its own linear guide system at the X axis spindle prevents vibration and torsional effects to ensure a constantly uniform feed

SINUMERIK 828 D Ð Das Kraftpaket in der Kompaktklasse der CNC-Steuerungen

Highlights

  • compact, robust, maintenance-free control panel-based CNC
  • comfortable program and parameter input via QWERTY keyboard
  • maximum machining precision
  • intelligent kinematic transformations for machining of cylindrical parts, and for angled workpiece levels
  • SINUMERIK MDynamics with the new Advanced Surface feature: for perfect part surfaces and shortest machining times in mold making applications
  • ShopMill: shortest programming time for single parts and small batch productions
  • programGUIDE: fastest machining time and maximum flexibility for large series productions
  • unique spectrum of technology cycles - from milling contours with residual material recognition to process measurements
  • Animated Elements: unique operation and programming assistance with animated sequences
  • modern data transfer options via USB stick, CF card and network (Ethernet)
  • Easy Message: maximum machine availability due to process monitoring per texting (SMS)

CNC hardware

  • control-panel based high-performance CNC Control
  • robust front control panel made of magnesium die-casting
  • integreated full-size QWERTY keyboard
  • 10.4Ò TFT color monitor
  • maintenance-free design (no buffer battery required)

CNC performance data and functions

  • SINUMERIK MDynamics package with Advanced Surface for mold making applications
  • tool changing time: ~2 ms (PPU 260/261) /~1 ms (PPU 280/281)
  • number of Look Ahead sets: 100 (PPU 260/261) / 150 (PPU 280/281)
  • Jerk-limited acceleration
  • dynamic feed-forward control
  • 4-axis simultaneous interpolation (X, Y, Z and rotary axis)
  • linear, circular and helical interpolation
  • tapping without compensating chuck, plus thread cutting
  • oriented spindle holder
  • toggle between inch and metric units
  • FRAME concept for individual coordinate transformations, rotations, scaling and mirroring
  • 100 adjustable zero offsets
  • synchronous actions and quick help function output

CNC technology cycles

  • technology cycles for programGUIDE and ShopMill work step programming are available
  • large selection of drilling cycles
  • large selection of milling cycles for standard geometry
  • large selection of position patterns for drilling and milling operations
  • High-speed settings for mold making applications
  • geometry calculator for free contour input
  • machining cycle for contour pockets / contour spigots with isolated contours

Graphic features

  • Animated Elements: input help for machining parameters with animated sequences
  • graphical online help system, similar to PC system
  • graphical CNC simulation with level display

CNC tool management

  • display of tool and magazine data on one screen
  • tool management with plain-text tool names
  • loading/unloading feature for easy magazine assignment
  • number of tool edges: 256 (PPU 260/261) / 512 (PPU 280/281)
  • tool management with tool life monitoring

  • siemens 828 D control
  • coolant system
  • spindle blow-out system
  • spiral chip conveyor
  • automatic central lubrication
  • electronic hand-wheel
  • work lamp
  • USB interface
  • enclosure
  • preloaded ball screws
  • heat exchanger for electric box
  • operating tools
  • operator instructions

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