1 Technical Specifications of Workpiece: 
Max. Outer diameter of cylinder 300mm 
Min. Inner diameter of cylinder 50mm 
Max. Inner diameter of cylinder 250mm 
Max. Length of cylinder 3000mm 

Processing allowance parameters (both sides) 
Inner diameter 
50-56.9 mm 0.6 mm 
Inner diameter 57-90.9 
Mm 1.0 mm 
Inner diameter φ 91-φ 250 mm 1.6 mm 
2 Machine Parameters: 
Dimension precision of finished part IT8 
Surface roughness of finished part Ra0.1-0.8μ m 
Rotation speed of spindle 50--1500r/min 
Max. Moving speed of X axis 8m/min 
Feeding speed of X axis 0--3m/min 
Hydraulic system pressure 5MPa 
Hydraulic system flux 56.7L/min 
High pressure pump flux of cooling system 167+222+291 L/min 
Low pressure pump flux of cooling system 2x500 L/min 
Cooling system filter precision 50μ 
Cooling system magnetic segregator flux 500 L/min 
CNC system FANUC Oi-TC 
Total power of motor 100 kW 
Outline dimension (L x W x H) 13245X3527X2014mm 
Weight Approx. 30t