Introduction of Doosan DNM4050 Vertical Machining Center
Doosan DNM4050 Vertical Machining Center is a machining equipment with excellent performance, which will be introduced in detail from its basic parameters, structural design, performance characteristics, and application areas:
I. Basic Parameters
Stroke: X-axis stroke is 520mm, Y-axis stroke is 400mm, Z-axis stroke is 480mm, which can meet the needs of machining parts within a certain size range.
Spindle: BT40 spindle with a speed of 12,000rpm can provide strong cutting power and high cutting speed.
Tool magazine: standard 20 tool magazine, can meet the needs of a variety of machining processes on the tool, reduce the time of tool change, improve processing efficiency.
Working table: the size of the working table is generally 650×400mm, which can carry certain weight and size of the workpiece to meet the requirements of different types of parts clamping.
CNC system: equipped with Mitsubishi M80 system, the system has good stability and operability, easy programming, and can realize high-precision machining control.
II. Structural design
Sturdy machine body: High-strength cast iron material is used to manufacture the bed, column and other key components, which has good rigidity and vibration resistance, and can maintain stability during high-speed cutting and heavy cutting, reduce the deformation of the machine tool and ensure machining accuracy.
Advanced guideway system: Usually adopts linear guideway with high motion precision, sensitivity and wear resistance, which can realize fast feeding and precise positioning, and at the same time reduce friction resistance, energy consumption and wear.
Efficient automatic tool change system: The tool change time of Doosan DNM4050 is short, usually within 4 seconds, which enables fast and accurate tool change and improves machining efficiency. The tool magazine is reasonably designed for easy storage and management of tools, and different types and specifications of tool magazines can be selected to meet the needs of different users.
III. Performance Characteristics
High-precision machining: Equipped with high-precision ball screws and advanced position detection devices, the positioning accuracy and repetitive positioning accuracy of each axis are high, which can ensure the machining dimensional accuracy and shape tolerance requirements of the parts. In addition, the machine tool also adopts thermal stability design, which can effectively reduce the machining errors caused by thermal deformation and improve the stability of machining accuracy.
High productivity: The spindle motor is powerful enough to provide sufficient cutting power, which, together with the high speed spindle and fast feeding system, can realize high-speed cutting and shorten the machining time. Meanwhile, the efficient operation of auxiliary devices such as the automatic tool changer system and table exchange system also reduces non-cutting time, further improving productivity.
Good operation convenience: Mitsubishi M80 CNC system has a friendly man-machine interface, simple and intuitive operation, easy to program and operate. Operators can directly input machining programs, set parameters and monitor the machining process through the screen, which reduces the technical requirements for operators and improves the use of machining centers.
Rich function configuration: In addition to the basic milling, drilling and tapping functions, it can also be equipped with optional 4-axis linkage function, which extends the machining range and enables the machining of some complex curved surfaces and contour parts. In addition, it can be equipped with Renishaw probe, tool setting instrument, broken tool detection and other devices, which improves the degree of automation and reliability of machining quality.
Fourth, the field of application
Machining: It can be used for the processing of all kinds of mechanical parts, such as automotive parts, motorcycle parts, aerospace parts, molds, etc. It can complete a variety of machining processes, such as plane milling, contour milling, drilling, tapping, boring, etc., to meet the processing requirements of different parts.
Electronics and electrical appliances: in the electronics and electrical appliances industry, it can be used to process the shells of various electronic components, heat sinks, circuit boards and other parts, which can ensure the high precision and surface quality of the parts, and meet the miniaturization and precision development trend of electronic and electrical products.
Instrumentation: It is suitable for processing various precision parts in the instrumentation industry, such as dials, cases, movements, etc. It is able to realize high-precision processing and ensure the accuracy and stability of instrumentation.
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Boring Machine Cost Guide: What Affects the Price of Industrial Equipment?Two boring machines intended for similar repair work canreceive very different quotations because the price reflects more than the machine’s basic size. Machine type, working range, drive power, accuracy requirements, tooling and included automation all affect the final configuration. To compare a boring machine price accurately, compare the scope of supply and the job requirements, not just the headline figure. What drives the quotation? Price factor Why it affects cost Details to specify Machine type and setup Portable systems and larger stationary equipment have different structures and intended applications. Equipment type, work location and setup constraints Bore size and machining range Required diameter, bar length and travel determine the working envelope and compatible components. Minimum and maximum bore diameter, machining length and access Power and duty Drive requirements depend on the material, cutting conditions and expected workload. Workpiece material, typical jobs and operating frequency Accuracy and tooling Accuracy requirements and the tooling package influence component selection and what must be supplied. Required results, cutters, mounts and other tooling needs Automation and customization Controls, optional functions and non-standard configurations add scope to the build. Required automation, special interfaces and quantity Configuration matters more than a bare price A lower-priced machine may have a narrower machining range, fewer included tools or less automation. A higher quotation may include a broader configuration or options that are unnecessary for a particular job. Neither price alone establishes suitability. For a portable boring machine price comparison, check that the quoted setup can reach the bore, fit the available work area and perform the required operation. Accuracy should also be described in terms of the work to be done. Share the required result and relevant workpiece details so the supplier can quote a configuration against the application. Avoid comparing quotations that assume different tooling, accessories, automation or customization. Prepare information for a useful quote For a meaningful boring machine cost estimate, provide the bore diameter range, machining length, material, workpiece or equipment details, site access constraints and expected operating frequency. List required tooling, accuracy expectations, automation and any special mounting or interface requirements. Include the purchase quantity and identify which accessories should be included. Ask suppliers to show the proposed configuration and included items in the quotation. This makes differences easier to trace and helps prevent a low initial figure from omitting components needed for the intended work. Submit the same job information to each supplier when comparing offers. Frequently asked questions Why is one boring machine much cheaper than another? The machines may differ in type, working range, power, included tooling, accuracy-related configuration, automation or customization. Compare the quoted scope against the same application before judging the difference. What information is needed to quote a boring machine? Provide the required bore diameters and machining length, material, workpiece and site constraints, expected use, accuracy needs, tooling and automation requirements, customization details and order quantity. These details help suppliers quote a configuration suited to the job.
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Used Automatic Lathe Machine for Sale WorldwideUsed automatic lathe machines provide a practical route to high-volume turning capacity without the lead time and capital cost of new equipment. For worldwide buyers, condition verification and supplier capability determine whether a low purchase price becomes a reliable production asset. Used Automatic Lathe Machine for Sale Worldwide What Buyers Should Assess A well-maintained cam-operated or CNC automatic lathe can retain stable repeatability for years when spindle bearings, guideways, collets, lubrication, and control components are within specification. Typical remaining service life is 5-12 years for a properly rebuilt machine, but heavily worn feed systems, obsolete controls, and unavailable parts create material selection risk. Machine type Typical work Used price range Main risk Cam automatic lathe Small pins, screws, fittings US$3,000-15,000 Cam and clutch wear Single-spindle CNC lathe Precision shafts, bushings US$8,000-35,000 Control and servo age Swiss-type CNC lathe Medical and electronics parts US$18,000-80,000 Guide bushing accuracy Inspection Before Shipment Checkpoint Acceptance focus Spindle Measure runout, noise, heat, and speed stability Axes and slides Check backlash, repeatability, way damage, and lubrication Tooling system Confirm collet, turret, feeder, and change-part availability Trial cutting Verify diameter, surface finish, cycle time, and scrap rate Electrical system Test alarms, drives, safety devices, and documentation Request a cold-start video, spindle runout report, sample-part test, machine serial number, and packing photographs. Accuracy claims should be supported by measured results, not appearance or repainting. China Supplier Value Established China-based suppliers combine broad used-machine sourcing with competitive refurbishment costs and export packing experience. Prefer suppliers able to provide inspection records, relevant quality certification, export documents, remote commissioning support, and stocked wear parts such as collets, belts, seals, sensors, relays, and hydraulic components. Cost item Direct as-is purchase Inspected Chinese supplier Initial price Lower Moderate Condition evidence Often limited Test data and video Export support Buyer-managed Crating and documentation After-sales response Uncertain Parts and technical support FAQ Can a used automatic lathe hold tight tolerances? Yes, after measured verification, alignment, and trial cutting; condition matters more than machine age. What accuracy should be checked? Check spindle runout, axis backlash, repeat positioning, workpiece diameter variation, and surface finish. Are old controls a concern? Yes. Confirm backup availability, drive condition, electrical drawings, and an upgrade path before purchase. Should buyers choose rebuilt equipment? Choose rebuilding when it includes documented replacement of wear components and a witnessed test, not cosmetic painting alone. Which spare parts should be ordered initially? Order consumable seals, belts, collets, sensors, contactors, filters, and model-specific tooling where available. Can a Chinese supplier arrange worldwide delivery? Experienced exporters can arrange seaworthy packing, shipping documents, and remote installation guidance. Choose a reliable Chinese supplier that can prove machine condition, support export delivery, and quote the right configuration for your current parts. Request a current quotation with inspection data before ordering.
