Specification | Unit | RD-720B |
Max. drilling diameter (No.45 steel) | mm | 70 |
Max. drilling diameter (HT200 cast iron) | mm | 90 |
Max tapping diameter(No.45 steel) | mm | M48 |
Max tapping diameter(HT200 cast iron) | mm | M56 |
Distance between column center line to the spindle center line | mm | 430-2010 |
Travel distance of the spindle box in horizontal (by manual) | mm | 1580 |
Distance between spindle end face to the machine bottom table | mm | 570-1800 |
Max. spindle travel | mm | 350 |
Dimension of column | mm | 450 |
Spindle taper | - | MT5 |
Steps of spindle speed | - | stepless |
Spindle speed range | r/min | 30-192; 205-1400 |
Steps of spindle feed | - | 8 |
Range of the spindle feed rate | mm/r | 0.06-1.35 |
Speed of the arm up and down | m/min | 1 |
Arm moving angle | ° | ±180° |
Spindle moving distance of each dial revolution | mm | 132 |
Main motor power (Variable Frequency motor) | kw | 7.5 |
Power for the arm up and down motor | kw | 2.2 |
Power of clamping oil pump for spindle box, column and arm | kw | 1.1 |
Machine weight (without table) | kg | 6000 |
Machine dimension (L x W x H) | mm | 3050×1200×3610 |
