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LEADER 7

LEADER 7

LEADER machining centres with movable working tables are designed for enhancing of efficiency of processing of middle and big size parts in production of precise mechanics, automotive, medicine, aircraft and aerospace industries and moulds and dies production.

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Precision
  • Machine bed made of rigid Meehanite cast iron provides optimal stability, balance and vibration damping
  • Ribbed bed construction
Versatility
  • Maximal table load 2,5 t allows machining of large workpieces
  • Machines are equipped with last generation CNC Fanuc 31i, Heidenhain iTNC 530 HSCI or Siemens 840 SL that allow integration into existing manufacturing lines
Power
  • Available torque, power, speed and cooling of motor-spindles provide long-term processing
  • Spindle head is equipped with the hydraulic balancing system that balance the whole construction including the motor-spindle thus enhancing the dynamics of movement at Z-axis
Speed
  • Tilting head (В-axis), rotary table (С-axis) and max. high rapid traverse speed 60 rpm allow processing of different types of workpieces
  • Large ball screw combined with an electric motor and direct drive provides high dynamics and feed speed 50 m/min
Ergonomics
  • Rotary control panel can be placed nearby the working area
  • Convenient operator position, good visibility of the working zone, free access to the working zone and tool magazine.
  • Precise engineering,
  • Automotive,
  • Transport vehicle manufacturing,
  • Excavating equipment manufacturing,
  • Aerospace industry,
  • Medicine,
  • Mould and dies manufacturing.
Motor-spindle
  • Max. speed 15000 rpm
  • Hydraulic short-bolt for dismounting of tools
  • Sufficient cooling due to the cavity for coolant circulation.
Tool magazine
  • Chain tool magazines for 40 or 50 tool locations are available.
  • Tools are easily checked and replaced at the chain through sliding doors with safety locking without stopping of a manufacturing cycle.
  • Sigma Tool Check control panel is placed nearby the loading/unloading station and allows directly controlling of tool magazine by CNC.
Technical parameters Unit LEADER 7
Working area
Travel range at X/Y/Z-axis mm 2 000/810/630
Feed rate at X/Y/Z-axis m/min 50
Rapid traverse at X/Y/Z-axis m/s2 5
Distance between spindle and surface table with SK taper mm 150-750
Slide guideways at linear axes type sliding blocks with recirculating rollers
System of axis movement type ball screws with double recirculating balls
Table
Table surface mm 770 х 2 150
Max. load on fixed table kg 2 500
Positioning accuracy at linear axes
Measuring system at X/Y/Z-axis type pressurized optical scales
Positioning error Р (VDI/DGQ 3441) μm 8
Spindle
Spindle speed rpm 8 000 15 000 19 000 24 000
Tool holder taper type SK50 SK40
HSK-A-63
BT40
HSK-A-63 HSK-A-63
Max, available power S1/S6 kW 25/27 25/27 35/35 18/24
Max. available torque S1/S6 Nm 160/235 160/235 78/110 60/81,5
Tool magazine
Tool magazine capacity quantity 40 40 48 60
Taper type SK50
HSK-A-63
BT40
SK50 SK50
HSK-A-63
BT40
SK50
HSK-A-63
BT40
Max. tool diameter/length mm 76 (127 with adjacent locations empty)/300 125 (125 with adjacent locations empty)/300 76 (127 with adjacent locations empty)/300 76 (127 with adjacent locations empty)/300
Chip-to-chip tool change time sec 5 7 5 5
Tool selection/Automatic tool change device type random/double gripper arm
Tool magazine control type Electronic control panel "Sigma Tool Check"
Other data
Overall dimensions (WхLхH) m 5,3х4,1х3,3
Weight kg 14 000
Siemens
  • New control technology with network connection
  • USB interface
  • Module software packages
  • Software for tooth profile and flank line correction
  • Safety-Integrated and HMI-Pro
  • Operator guide menu
  • Tool management including tool condition control
Heidenhain
  • Optimized system of path control
  • Short processing time
  • High processing speed with maximal accuracy
  • Dynamic control of collisions

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