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BL20-H, BL20-HY, BL20-HS, BL20-HSY
BOCHI
BL20-HSY is a high-speed, high-precision turning and milling center. The machine is equipped with dual electric spindles, a 12 station servo-driven tool turret, and high-rigidity roller linear guides. It features Y-axis and dual C-axis capabilities, enabling it to perform both turning and milling operations on workpieces. This machine is particularly well-suited for completing all or most of the machining processes in a single setup, making it ideal for complex parts. It is mainly used for precision machining of components in industries such as automotive and machinery. The entire machine has undergone finite element analysis and dynamic/static simulation, ensuring a robust structural design with optimal reinforcement, which guarantees high rigidity and stability. Additionally, to prevent deformation after machining, all castings undergo annealing treatment to eliminate internal stresses. The assembly process of the machine is strictly controlled, and the key precision of the whole machine is improved by 30% to 50% over national standards.
Capacity | Item | Unit | BL20-HSY |
Max. swing diameter over bed | mm | Φ695 | |
Max. swing diameter over slide | mm | Φ330 | |
Max. turning length | mm | 500 | |
Max. turning diameter | mm | Φ340 | |
Max. bar diameter | mm | φ65 | |
Hydraulic chuck size | mm | Φ210 | |
Spindle | Spindle nose | GB5900.1 | A2-6 |
Spindle bore taper | 1:20 | ||
Spindle bore diameter | mm | Φ76 | |
Spindle bearing diameter(front/rear) | mm | Φ110/Φ95 | |
Spindle speed range | r/min | 35-4500 | |
Spindle power(rate) | kW | 17.2 | |
Sub-spindle | Spindle nose | GB5900.1 | A2-5 |
Spindle bore taper | 1:20 | ||
Spindle bore diameter | mm | Φ53 | |
Spindle bearing diameter(front/rear) | mm | Φ80/Φ70 | |
Spindle speed | r/min | 35-5000 | |
Spindle power(rate) | kW | 13.2 | |
Sadle | Slant degree | DEG | 30° |
Travel X/Y/Z/W | mm | 190/±50/605/580 | |
Rapid speed X/Y/Z/W | m/min | 30/10/30/10 | |
Servo motor torque X/Y/Z/W | Nm | 7.3 / 4.7/7.3/4.7 | |
Turret | Turret type/ tool interface | BMT55/ER25 | |
Tool number | 12 | ||
Tool size (Turning/boring) | mm | 25×25/Φ40 | |
Driller diameter | mm | Φ16 | |
Mill tool diameter | mm | Φ16 | |
Living tool speed | r/min | 25-4500 | |
Living tool output power(rated） | kW | 4 | |
Max living tool torque | N•M | 52.6 | |
Other | Power source | KVA | 55 |
Dimension(L*W*H） Exclouding chip conveyor | mm | 3050×2200×1810 | |
Totally weight | kg | 4850 | |
Max. workpiece weight ( Clamping between chuck and center) | Kg | 550（8˝chuck） | |
Accuracy （GB/T16462_2007，JB/T4368.3_1996，GB9061_2006，GB/T5376_2010） | X/Y/Z axes Position accuracy | mm | 0.007/0.007/0.009 |
X/Y/Z axes Repeat position accuracy | mm | 0.003/0.003/0.005 | |
C axis position accuracy | " | 32″ | |
C axis repeat position accuracy | " | 10″ | |
Turning standard workpiece roundness | mm | ≤0.003mm |
BL20-HSY is a high-speed, high-precision turning and milling center. The machine is equipped with dual electric spindles, a 12 station servo-driven tool turret, and high-rigidity roller linear guides. It features Y-axis and dual C-axis capabilities, enabling it to perform both turning and milling operations on workpieces. This machine is particularly well-suited for completing all or most of the machining processes in a single setup, making it ideal for complex parts. It is mainly used for precision machining of components in industries such as automotive and machinery. The entire machine has undergone finite element analysis and dynamic/static simulation, ensuring a robust structural design with optimal reinforcement, which guarantees high rigidity and stability. Additionally, to prevent deformation after machining, all castings undergo annealing treatment to eliminate internal stresses. The assembly process of the machine is strictly controlled, and the key precision of the whole machine is improved by 30% to 50% over national standards.
Capacity | Item | Unit | BL20-HSY |
Max. swing diameter over bed | mm | Φ695 | |
Max. swing diameter over slide | mm | Φ330 | |
Max. turning length | mm | 500 | |
Max. turning diameter | mm | Φ340 | |
Max. bar diameter | mm | φ65 | |
Hydraulic chuck size | mm | Φ210 | |
Spindle | Spindle nose | GB5900.1 | A2-6 |
Spindle bore taper | 1:20 | ||
Spindle bore diameter | mm | Φ76 | |
Spindle bearing diameter(front/rear) | mm | Φ110/Φ95 | |
Spindle speed range | r/min | 35-4500 | |
Spindle power(rate) | kW | 17.2 | |
Sub-spindle | Spindle nose | GB5900.1 | A2-5 |
Spindle bore taper | 1:20 | ||
Spindle bore diameter | mm | Φ53 | |
Spindle bearing diameter(front/rear) | mm | Φ80/Φ70 | |
Spindle speed | r/min | 35-5000 | |
Spindle power(rate) | kW | 13.2 | |
Sadle | Slant degree | DEG | 30° |
Travel X/Y/Z/W | mm | 190/±50/605/580 | |
Rapid speed X/Y/Z/W | m/min | 30/10/30/10 | |
Servo motor torque X/Y/Z/W | Nm | 7.3 / 4.7/7.3/4.7 | |
Turret | Turret type/ tool interface | BMT55/ER25 | |
Tool number | 12 | ||
Tool size (Turning/boring) | mm | 25×25/Φ40 | |
Driller diameter | mm | Φ16 | |
Mill tool diameter | mm | Φ16 | |
Living tool speed | r/min | 25-4500 | |
Living tool output power(rated） | kW | 4 | |
Max living tool torque | N•M | 52.6 | |
Other | Power source | KVA | 55 |
Dimension(L*W*H） Exclouding chip conveyor | mm | 3050×2200×1810 | |
Totally weight | kg | 4850 | |
Max. workpiece weight ( Clamping between chuck and center) | Kg | 550（8˝chuck） | |
Accuracy （GB/T16462_2007，JB/T4368.3_1996，GB9061_2006，GB/T5376_2010） | X/Y/Z axes Position accuracy | mm | 0.007/0.007/0.009 |
X/Y/Z axes Repeat position accuracy | mm | 0.003/0.003/0.005 | |
C axis position accuracy | " | 32″ | |
C axis repeat position accuracy | " | 10″ | |
Turning standard workpiece roundness | mm | ≤0.003mm |
