Conventional vertical lathe
DVT5225D-DVT5250D Conventional Vertical Lathe
A double-column vertical lathe upgraded from the conventional range. The gantry frame, table and main drive are retained; the trapezoidal leadscrew, feed rod and in-house gear feed box are replaced by a servo feed motor with a planetary reducer and ballscrew drive. The result is a simpler structure, easier operation and a lower failure rate. It is used in general engineering, mining and metallurgy, automotive and power work, and holds accuracy over a long service life.
Specification
Published catalogue figures; specifications are subject to change without notice. Remarks record what is standard and what varies with the configuration chosen.
| Item | Unit | DVT5225D | DVT5231D | DVT5235D | DVT5240D | DVT5243D | DVT5250D |
|---|---|---|---|---|---|---|---|
| Max. cutting diameter | mm | 2500 | 3150 | 3500 | 4000 | 4300 | 5000 |
| Table diameter | mm | 2250 | 2250/2830 | 2250/2830/3200 | 2830/3000/3200/3400/3500/3600 | 4500/4700 | |
| Max. workpiece height | mm | 1600/2000/2200/2500 | 1600/2000/2200/2500/2800/3000/3150 | 2000/2500/2800/3000/3150 | |||
| Max. workpiece weight | kg | 10000/16000/20000 | 10000/16000/20000/32000 | 10000/16000/20000/32000/40000 | 40000/50000 | ||
| Right tool-post horizontal travel | mm | -50–1500 | -50–1800 | -50–2100 | -50–2300 | -50–2500 | -50–2750 |
| Right tool-post vertical travel | mm | 1000/1250/1400/1500/1600 | 1000/1250/1400/1500/1600/1800 | 1250/1400/1600/1800/2000 | |||
| Left tool-post horizontal travel | mm | -50–1500 | -50–1800 | -50–2100 | -50–2300 | -50–2500 | -50–2750 |
| Left tool-post vertical travel | mm | 1000/1250/1400/1500/1600 | 1000/1250/1400/1500/1600/1800 | 1250/1400/1600/1800/2000 | |||
| Table speed range | r/min | 2–63 | 2–63 / 0.5–40 | 0.5–40 | |||
| Table speed steps | — | 16 steps / two gears stepless / four gears stepless | Two gears, stepless | ||||
| Tool-post feed range | mm/min | 0.1–500 | |||||
| Tool-post rapid traverse | mm/min | 2000 | |||||
| Max. torque | kN·m | 63 | 100 | ||||
| Max. cutting force, right vertical tool-post | kN | 35 | 50 | ||||
| Max. cutting force, left tool-post | kN | 28 | 35 | ||||
| Cross-rail travel | mm | 1250/1650/1850/2150 | 1250/1650/1850/2150/2450/2800 | ||||
| Cross-rail lifting speed | mm/min | 350 | |||||
| Cross-rail lifting motor power | kW | 11 | 11/15 | 15 | |||
| Main motor power and type | kW | 55 (standard AC) / 55 (AC servo, optional) | 75 (AC servo) | ||||
| Tool shank section (H × W) | mm | 50×40 / 40×40 | |||||
| Tool-post swivel angle | deg | ±30 | |||||
| Tool-post type | — | Square ram, T-type ram, right powered turret (four-, five- or six-station), manual pentagonal turret | Square ram | ||||
| Table guideway type | — | Hydrodynamic / hydrostatic guideway | Hydrostatic guideway | ||||
| Ram section size | mm | Square ram 240×240; T-type ram 255×200; right powered turret 440×200; manual pentagonal turret 380×195 | Square ram 240×240, 280×280 | ||||
| Machine overall size (L × W) | mm | 5800 × 5500 | 6500 × 6000 | 7000 × 6100 | 7500 × 6300 | 7900 × 6700 | 8800 × 7400 |
| Coolant, chip removal and guarding | — | Optional | |||||
| Machining accuracy | — | IT7 | |||||
| Approx. machine weight | t | 34–42 | 39–45 | 42–58 | 43–63 | 45–65 | 67–80 |
What Is Built Into It
- Servo feed motor with planetary reducer and ballscrew drive
- PLC control in place of relay logic
- Twin-axis digital readout for direct position reading
- Original gantry frame, table and main drive retained
- Used in general engineering, mining, metallurgy, automotive and power work
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Model FAQs
Questions Engineers Ask About The DVT5225D-DVT5250D
Why does the DVT5225D-DVT5250D hold its geometry under real work?
Two build points matter most on this machine: servo feed motor with planetary reducer and ballscrew drive; and plc control in place of relay logic. Structure decides how a machine ages — the specification table tells you what it does new, the build tells you what it does in year five.
What spindle speeds does the DVT5225D-DVT5250D run, and why does the range matter?
The catalogued range is 2–63 / 2–63 / 0.5–40 / 0.5–40 r/min. The span matters more than the top figure: large diameters and tough materials live at the low end where torque does the work, while small-diameter finishing wants the top end. A range that covers both ends is what lets one machine carry mixed work.
How do I choose between the DVT5225D-DVT5250D and the DVT51?
Both sit in the conventional vertical lathe group, so the decision is capacity and duty, not kind: put your largest part dimensions, material and yearly quantity against each specification table and one of the two will run out of a figure first. Send the drawing and we will name which of the two fits — including the case where the smaller machine does the job.
How soon can the DVT5225D-DVT5250D ship, and what covers it afterwards?
Standard configurations generally ship within 30 to 60 days of a confirmed order, with the date written into the contract. The DVT5225D-DVT5250D then carries a 12-month warranty on main components, handled by the plant that built it, with lifetime technical support and spare parts identified by part number at handover.
