BR7520 BR7520A Slant Bed CNC Lathe
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BR7520 BR7520A Slant Bed CNC Lathe
  • BR7520 BR7520A Slant Bed CNC Lathe
  • BR7520 BR7520A Slant Bed CNC Lathe

BR7520 BR7520A Slant Bed CNC Lathe

Ball screws are used in X and Z axes, which are supported by Japan NSK angular contact bearings especially for screws. Therefore stiffness and heat distortion resistance of screws, and feeding accuracy are greatly improved.
  • BR7520 BR7520A Slant Bed CNC LatheDownload
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Machine specifications
Items BR7520 BR7520A
Machining capacity    
Max. swing over bed 500mm: Φ500 mm
1000mm: Φ450 mm
500mm: Φ500 mm
1000mm: Φ450 mm
Max. swing over slide Φ320 mm Φ320 mm
Max. turning length 500 /1000mm 500 /1000mm
Max. turning diameter Φ370 mm Φ370 mm
Max. bar diameter Φ51 mm Φ51 mm
Spindle    
Spindle nose A2-6 A2-6
Spindle through-hole diameter Φ62 mm
(optional: Φ87mm)
Φ62 mm
Spindle speed 40-4000 r/min 75-2500 r/min
Main motor power 11/15 kW 11/15 kW
Hydraulic chuck diameter 8 inch 8 inch
Travel and rapid traverse    
Travel of X axis 210 mm 210 mm
Travel of Z axis 550 /1010mm 550 /1010mm
Rapid traverse of X/Z axis 12 / 16 m/min 12 / 16 m/min
Tailstock    
Diameter of tailstock quill Φ90 mm Φ90 mm
Travel of tailstock quill 100 mm 100 mm
Taper of tailstock center MT-5 MT-5
Turret    
No. of turret station 12(optional:8) 12(optional:8)
Turning tool size 25x25 mm 25x25 mm
Boring tool size Φ40 mm Φ40 mm
Other    
Slant angle 45° 45°
Guide way type Box way Box way
Overall dimension 500mm: 2850x1800x1850 mm
1000mm:3730x1820x1930 mm
Net weight 4500 /5000 kg
 
Equipments
Item 01 Descriptions  
01.01 FANUC Oi TF  
01.02 FANUC X/Z axis servo motor  
01.03 BR7520::FANUC AC servo spindle motor
BR7520A: CTB AC servo spindle motor
 
01.04 8’’ 3 jaw hollow hydraulic chuck  
01.05 Hydraulic tailstock  
01.06 Italian DM 12-station tool post  
01.07 Coolant system.  
01.08 Working light  
01.09 Automatic lubrication system  
01.10 Heat exchange for electric cabinet  
01.11 Full enclosed splash guard  
01.12 Installation damping pads  
 
Optionals
Item 02 Descriptions  
02.01 SIEMENS828D CNC system  
02.02 Chip conveyor  
02.03 8-station tool post  

Features
  • Integrated base and bed made of high grade cast iron is of high rigidity .
  • High grade cast iron saddle and slide, plastic-coated ways, small dynamic and static friction force. Wide span saddle and slide ensure large-loaded and heavy cut.
  • The spindle runs in precision large diameter angular contact ball bearings and double -row cylindrical roller bearings, driven by heavy servo motor, and ensures extremely stiffness and large torque at low speed.
  • Ball screws are used in X and Z axes, which are supported by Japan NSK angular contact bearings especially for screws. Therefore stiffness and heat distortion resistance of screws, and feeding accuracy are greatly improved.
  • Well sealed machine electric cabinet together with air conditioner inside the cabinet guarantee correct operation of the control in high temperature and humidity ambient.
  • Close attention is focused on edge technology. So machine guard is reliable. No chip, coolants is splashed or flies out when during heavy cut or pressure spraying of coolant.
  • The chuck is clamped and unclamped hydraulically. The quill of tailstock is advance out and in. Both of them    can be program controlled. 
Equipments
Item 01 Descriptions  
01.01 FANUC Oi TF  
01.02 FANUC X/Z axis servo motor  
01.03 BR7520::FANUC AC servo spindle motor
BR7520A: CTB AC servo spindle motor
 
01.04 8’’ 3 jaw hollow hydraulic chuck  
01.05 Hydraulic tailstock  
01.06 Italian DM 12-station tool post  
01.07 Coolant system.  
01.08 Working light  
01.09 Automatic lubrication system  
01.10 Heat exchange for electric cabinet  
01.11 Full enclosed splash guard  
01.12 Installation damping pads  
Features
  • Integrated base and bed made of high grade cast iron is of high rigidity .
  • High grade cast iron saddle and slide, plastic-coated ways, small dynamic and static friction force. Wide span saddle and slide ensure large-loaded and heavy cut.
  • The spindle runs in precision large diameter angular contact ball bearings and double -row cylindrical roller bearings, driven by heavy servo motor, and ensures extremely stiffness and large torque at low speed.
  • Ball screws are used in X and Z axes, which are supported by Japan NSK angular contact bearings especially for screws. Therefore stiffness and heat distortion resistance of screws, and feeding accuracy are greatly improved.
  • Well sealed machine electric cabinet together with air conditioner inside the cabinet guarantee correct operation of the control in high temperature and humidity ambient.
  • Close attention is focused on edge technology. So machine guard is reliable. No chip, coolants is splashed or flies out when during heavy cut or pressure spraying of coolant.
  • The chuck is clamped and unclamped hydraulically. The quill of tailstock is advance out and in. Both of them    can be program controlled. 
Optionals
Item 02 Descriptions  
02.01 SIEMENS828D CNC system  
02.02 Chip conveyor  
02.03 8-station tool post  
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