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Product Description

● The left and right columns feature a thermally symmetric structure, and the machine is equipped with a closed gantry frame, ensuring high overall rigidity and excellent stability.
● The worktable employs hydrostatic guideways in the axial direction and double-row cylindrical roller bearings in the radial direction. The hydraulic system is equipped with an oil cooler to control temperature rise across all components, ensuring stable precision.
● The main drive employs a vertical‑shaft, two‑speed continuously variable transmission with mechanical locking for gear changes. The gears are manufactured using quenching and grinding processes, ensuring smooth, reliable operation and easy maintenance.
● The tool holder employs hydrostatic guideways, offering near-zero friction, high sensitivity, excellent vibration resistance, and long-term precision retention.
● Synchronized protection device for beam lifting, ensuring safety and reliability.

DVT250–DVT500 and below

Technical Specifications	Unit	DVT250	DVT350	DVT400	DVT500
Maximum turning diameter	mm	2500	3500	4000	5000
Maximum machining height	mm	1600/2000/2500	2000/2500/3150	2000/2500/3150	2000/2500/3150
Maximum workpiece weight	t	20	40	40	50

DVT630 to DVT1600 and above

Technical Specifications	Unit	DVT630	DVT800	DVT1000	DVT1250	DVT1600
Maximum turning diameter	mm	6300	8000	10000	12500	16000
Maximum machining height	mm	3150/4000/5000	4000/5000	4000/5000	5000/6000	5000/6000/7000
Maximum workpiece weight	t	50/80/150	125/200	150/250	250/400	250/400/600

Keywords:

CNC vertical lathe

Aerospace

Energy equipment

Shipbuilding

General Machinery

CNC DVT Double-Column Vertical Lathe

It is suitable for semi‑finishing and finishing turning of large rotary parts, capable of performing turning operations such as internal and external cylindrical surfaces, conical surfaces, end faces, grooving, metric and imperial threads, and rotary curved surfaces. With optional configurations, it can also handle multi‑process machining—including milling, grinding, and drilling—of complex components, making it applicable across a wide range of industries.

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Specific parameters

Project		DVT 250	DVT 315-500		DVT 250	DVT 315-500
Pu Passage Machine Bed	Two ordinary tool holders		■	Imported spindle bearing		★
	DC main motor		■	Domestic ball screw		■
	British Continental Speed Control System		■	Imported ball screw		★
	Siemens 6RA70 speed control system		★	Oil Temperature Control Box		★
	Domestic AC servo feed motor		■	Digital display device		★
	Domestic AC servo feed drive		■	Electric spindle grinding head accessory		★
	Imported AC servo feed motor		★	Semi-enclosed protective cover		★
	Imported AC servo feed drive		★	Automatic chip removal, water cooling		★
	Domestic spindle bearings		■

Project		DVT 250	DVT 315-500			DVT 250	DVT 315-500
Number Control Machine Bed	Single CNC turret	■	■	Imported grating scale		■	■
	DC main motor	■	■	Oil Temperature Control Box		■	■
	British Continental Speed Control System	■	■	Standard tool holder		★	★
	Siemens 6RA70 speed control system	★	★	Electric spindle grinding head accessory		★	★
	Siemens 828D CNC system	■	■	Semi-enclosed protective cover		★	★
	FANUC-OITD CNC System	★	★	Automatic chip removal, water cooling		★	★
	Siemens 840DSL CNC system	★	★	Eight-station tool magazine		★	★
	Imported AC servo feed motor	■	■	Milling To shave Merit Can	Turning and milling tool holder	■	■
	Imported AC servo feed drive	■	■		C-axis indexing head	■	■
	Spindle encoder	■	■		Siemens 840DSL system	■	■
	Domestic spindle bearings	■	■		FANUC-31i System	★	★
	Imported spindle bearing	★	★		Circular grating	■	■
	Domestic ball screw	■	■		Right-angle milling head	★	★
	Imported ball screw	★	★		Manual universal milling head	★	★
	Roller guide block	■	■

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Leveraging the technological heritage of China’s machine tool industry and aligning with international market demands, the company is committed to providing precision machining solutions to customers worldwide. Its products are exported to more than 20 countries and regions, including Southeast Asia, Europe, and South America.