YJ-CK72ST Single-spindle Double Gang-Tool CNC Machine Tool
Center-Drive Single Spindle Double-Row Tool CNC Lathe Series

YJ-CK72ST Single-spindle Double Gang-Tool CNC Machine Tool

Processing Range:

Clamping outer diameter: ≤ Φ72 mm

Spindle clamping width: 170 mm

Workpiece length: 180–480 mm

The safe turning length of the workpiece should not exceed three times the diameter of the workpiece as standard

Processing Accuracy:

Inner hole tolerance: ±0.015 mm

Outer diameter tolerance: ±0.006 mm; coaxiality between both ends of the outer diameter and the inner hole: < Φ0.02 mm (the blank outer diameter straightness of the customer’s workpiece ≤ 0.03 mm)

Turning surface roughness: Steel Ra ≤ 1.6 μm

Axial dimensional tolerance: ±0.015 mm

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Supporting Flexible Turning Operations: The Role of Single-Spindle CNC Lathes with Double-Row Tooling

What Is a Single-Spindle CNC Lathe with Double-Row Tooling?

A Single-Spindle CNC Lathe with Double-Row Tooling is a CNC turning machine with one main spindle and two rows of tool positions. Simply put, the spindle rotates the workpiece, while the two tool rows provide more cutting tool options for different machining operations.

Compared with a standard single-tool-position CNC lathe, the double-row tool arrangement can provide greater flexibility for organizing turning processes. Depending on the machine design, tools can be selected for different operations without frequently changing the overall tooling setup.

Specific Applications

This CNC lathe is suitable for manufacturers producing repeated batches of shafts, sleeves, fittings, pins, bushings, flanges, and other cylindrical metal components.

Typical applications include:

  • Automotive components: shafts, pins, hubs, sleeves, and transmission-related parts
  • Hydraulic components: valve parts, connectors, pistons, sleeves, and fittings
  • Pneumatic components: fittings, adapters, sleeves, and cylindrical housings
  • Machinery components: bushings, rollers, flanges, bearing seats, and couplings
  • Agricultural equipment: shafts, pins, hubs, and connecting components
  • General industrial parts: threaded parts, rings, adapters, and cylindrical components
  • Batch production: parts requiring turning, facing, grooving, drilling, boring, chamfering, or threading

For example, a hydraulic fitting may require external turning, end-face machining, threading, grooving, and chamfering. The double-row tool structure allows suitable tools to be arranged for these operations according to the production process.

Core Functions

Depending on the configuration, the machine can perform external turning, internal turning, facing, boring, grooving, drilling, chamfering, threading, and other CNC turning operations.

The two tool rows provide additional tool arrangement options and can help support different machining sequences. For production planning, customers should check spindle power and speed, maximum turning diameter, workpiece length, tool capacity, tool-row configuration, CNC control, chuck system, positioning accuracy, repeatability, and automation compatibility.

Tool interference, machining range, chip removal, and workpiece loading should also be considered when selecting the configuration.

Why Is It Purchased?

Private Brand: Machinery distributors can introduce this Single-Spindle CNC Lathe under their own brand through OEM/ODM cooperation. Custom options may include machine appearance, nameplates, labels, manuals, packaging, and selected technical configurations.

Bulk Supply: Equipment distributors can supply the machine to factories producing automotive, hydraulic, pneumatic, agricultural, and general machinery components.

Cost Optimization: Manufacturers may consider a double-row tool configuration when frequent tool changes, repeated setups, or multiple machining stages increase production time. A suitable tool arrangement can help organize several turning operations within one machine.

What Customer Problems Can It Solve?

Does the target market require many turning tools for different operations? Are frequent tool changes affecting production schedules? Do operators need to reset tools repeatedly for different components? Are manufacturers looking for a flexible CNC lathe for recurring batch production?

A suitable Single-Spindle CNC Lathe with Double-Row Tooling can provide more tooling options within one machine while supporting organized machining of different cylindrical components.

OEM/ODM Support

OEM/ODM cooperation may include tool-row configuration, spindle specifications, CNC system selection, chuck and tooling systems, automation interfaces, machine appearance, branding, packaging, technical documentation, and application-specific modifications.

When evaluating a manufacturer, customers should examine engineering capability, machine assembly, production capacity, tool-system design, machine testing, quality inspection, spare-parts availability, installation support, and after-sales service.

The machine should be configured according to actual workpiece drawings, material, diameter, length, machining operations, tolerance, production volume, and automation requirements. This helps customers assess whether the product fits their target market and whether the manufacturer can provide suitable support for private-label, distribution, and OEM/ODM projects.