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Conventional Surface Grinders

HFS NC

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Automatic and semi-automatic grinding with dressing cycle
Travel X-axis

  HFS 73 NCHFS 52 NCHFS 104 NCHFS 160 NC
Working Area
Grinding area (max.)28x12 in20x8 in40x16 in67x16 in
Workpiece weights incl. magnetic clamping plate (max.)880 lbs462 lbs1,496 lbs1,870 lbs
Spindle axis-to-table surface distance25.2 in18.5 in25.2 in25.2 in
Dimensions magnetic clamping plate28x12 in20x8 in39x16 in63x16 in
T-slots, width0.6 in
Number of T-slots1 positions1 positions3 positions3 positions
Division (electronic hand-wheel) Y-axis0.00004 / 0.0002 / 0.0004 in
Division (electronic hand-wheel) Z-axis0.0004 / 0.002 / 0.004 in
Travels
Travel X-axis31.5 in22 in44.1 in70.1 in
Travel Z-axis13 in9 in17 in17 in
Headstock
Spindle speed500 - 2,300 rpm500 - 3,500 rpm500 - 2,300 rpm500 - 2,300 rpm
Rapid Feed
Rapid feed Y-/Z-axis(10) 0 - 47 in/min
Feed
Feed per rotation (electronic hand-wheel) - Y-axis0.004 / 0.02 / 0.04 in
Feed per rotation (electronic hand-wheel) - Z-axis0.04 / 0.2 / 0.4 in
Feed speed - X axis (hydraulic)min. 118 / max. 984 fpmmin. 3 / max. 25 fpmmin. 118 / max. 984 fpmmin. 118 / max. 984 fpm
Feed speed Z-axis0 - 47.244 in/min
Autom. feed - Micro-feed Y-axis0.0000039 - 0.0003937 in
Autom. feed - Coarse feed Y-axis0.0001969 - 0.0015748 in
Automatic Z-axis feed0 - 0.98 in0 - 0.59 in0 - 0.98 in0 - 0.98 in
Drive Capacity
Motor rating main drive5 Hp5 Hp7.4 Hp7.4 Hp
Motor rating hydraulic pump2 Hp2 Hp3 Hp3 Hp
Motor rating coolant pump0.2 Hp0.1 Hp0.2 Hp0.2 Hp
Z and y axis servo motor0.7 / 0.7 Hp0.7 / 0.7 Hp0.7 / 0.7 Hp0.07 / 1.3 Hp
Measures and Weights
Grinding wheel dimensions15.75x5x1.57 in10.04x2x0.98 in15.75x5x1.57 in15.75x5x1.57 in
Overall dimensions (length x width x height)115x75x99 in95x69x95 in150x79x99 in256x119x99 in
Weight5,500 lbs4,510 lbs6,710 lbs11,880 lbs

  • This machine is designed for continuous operation at high machining speeds and features quiet operation, maximum accuracy and minimal heat-buildup for guaranteed optimum work results
  • Dual guides for linear table motion
  • Grinding spindle head and Z-axis run in precision linear guides on preloaded ball screws
  • Servo drives on Y- and Z-axis and hydraulic linear table movement can be adjusted via an infinitely variable electronic proportional valve for precise and consistent feed
  • 3-step electronic hand-wheel allows for precise positioning of the Y- and Z-axis
  • The grind spindle head features a heavy, solid design and runs on high-precision, maintenance-free preloaded angular ball bearings
  • External hydraulic unit and large oil cooler ensures thermal stability
  • Automatic central lubrication system

  • Intuitive dialog-guided programming for automatic and semi-automatic grinding and dressing of grinding wheels, optimized for surface grinding
  • Programming of grinding cycles via touchscreen
  • Easy adjustment of important parameters and feed rates during machining
  • Automatic function monitoring and error messages on the display

  • magnetic clamping plate
  • coolant system with magnetic separator
  • central lubrication
  • hydraulic oil cooler
  • grinding wheel flange
  • diamond dresser with holder,
  • balancing station
  • setup feet
  • tool box
  • operator manual

Optional Equipment