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117, Grand Trunk Road, Salkia Howrah-700013, Kolkata, India
A heavy-duty floor-type boring and milling machine for large, complex workpieces. The PFBM-160RH and PFBM-200RH configurations combine powerful boring spindles, extended axis travels, high-torque drives and precision positioning for demanding industrial machining.
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The Floor Boring Machine is engineered for boring, milling, drilling and related machining of large components that cannot be accommodated conveniently on smaller conventional equipment. Its floor-type arrangement provides an extended working envelope around suitable beds, floor plates, rotary tables and auxiliary supports, allowing heavy workpieces to remain securely positioned while the column and spindle system perform the required movements.
The range includes PFBM-160RH and PFBM-200RH models with nominal spindle diameters of 160 mm and 200 mm. Milling spindle diameters are listed at 260 mm and 320 mm, with JT50/BT50 and JT60/BT60 shank options respectively. High main-motor output and maximum spindle torque support demanding cuts, while the 480 × 540 mm ram cross-section provides a substantial structure for controlled tool reach.
Configurable longitudinal and vertical travels allow the machine to be matched to large components. The PFBM-160RH lists 6000 mm X-axis travel with 2000 mm extension increments and Y-axis choices of 3000, 4000 or 5000 mm. The PFBM-200RH lists 8000 mm X-axis travel with the same extension increment and Y-axis choices from 4000 to 7000 mm. Both models list 1200 mm Z- and W-axis travels.
Typical applications include machine frames, fabricated structures, energy and process-equipment components, large gear housings, castings, dies, mould bases and general heavy-engineering parts. Final selection should be based on complete drawings, workpiece weight, support arrangement, required operations, tooling reach, accuracy, surface finish, material and production targets.
| Section | Item | Unit | PFBM-160RH | PFBM-200RH |
|---|---|---|---|---|
| Spindle | Spindle Diameter | mm | 160 | 200 |
| Milling Spindle Diameter | mm | 260 | 320 | |
| Shank | — | JT50/BT50 | JT60/BT60 | |
| Spindle Speed | r/min | 10–1500 (2000) | 10–1250 | |
| Main Motor Power | kW | 58/69 | 85/102 | |
| Maximum Spindle Torque | Nm | 6300/7600 | 8400/10000 | |
| Ram Cross-Section | mm | 480 × 540 | 480 × 540 (column travel 7000 mm) | |
| Travel | X Axis | mm | 6000 (increase per 2000) | 8000 (increase per 2000) |
| Y Axis | mm | 3000/4000/5000 | 4000/5000/6000/7000 | |
| Z Axis | mm | 1200 | 1200 | |
| W Axis | mm | 1200 | 1200 | |
| Feed Speed | X Axis | mm/min | 1–10000 | |
| Y Axis | mm/min | 1–8000 | ||
| Z Axis | mm/min | 1–6000 | ||
| W Axis | mm/min | 1–6000 | ||
| Rapid Speed | X Axis | mm/min | 10000 | |
| Y Axis | mm/min | 8000 | ||
| Z Axis | mm/min | 6000 | ||
| W Axis | mm/min | 6000 | ||
| Positioning Accuracy GB/T 5289.3-2006 |
X Axis | mm | 0.012/1000 (standard grating) | |
| Y Axis | mm | 0.012/1000 (standard grating) | ||
| Z Axis | mm | 0.025/0.012 (grating) | ||
| W Axis | mm | 0.025/0.012 (magnetic grid) | ||
| Repeatability GB/T 5289.3-2006 |
X Axis | mm | 0.01 | |
| Y Axis | mm | 0.01 | ||
| Z Axis | mm | 0.01 | ||
| W Axis | mm | 0.01 | ||