Dual Spindle CNC Lathe Machine

Dual Spindle CNC Lathe Machine Manufacturer & Supplier

Zhongxin delivers high-performance Dual Spindle CNC Lathe Machines engineered for global manufacturers looking to maximize productivity, eliminate secondary operations, and lower labor costs. By integrating main and secondary spindles, our machines process both sides of a complex workpiece within a single automated cycle—reducing cycle times by up to 35%–50% and maintaining continuous sub-micron precision.

Why Choose Zhongxin?

Tailored Engineering Solutions:

We configure machine specs—from spindle bore to axis travel—based on your specific CAD/CAM part drawings, workpiece material, cycle time requirements, and automation goals.

Strict Manufacturing Control:

All bed castings undergo stress-relief annealing to guarantee long-term thermal stability and rigidity under heavy cutting conditions.

Comprehensive Global Support:

End-to-end technical assistance including pre-sale engineering evaluations, full export documentation, and continuous remote operation guidance.

Technical Specifications

Specification	Details
Machine Type	Dual Spindle CNC Lathe Machine
Spindle System	Main Spindle + Secondary Spindle
CNC Control System	FANUC / Siemens / Mitsubishi / Optional
Chuck Size	6 inch / 8 inch / 10 inch / Optional
Maximum Turning Diameter	According to Model Configuration
Maximum Turning Length	According to Model Configuration
Bar Capacity	According to Machine Model
Spindle Motor Power	Customized According to Application
Tool Stations	8 / 10 / 12 Stations
Tool System	Gang Type / Turret
Machine Bed	High Rigidity Casting Structure
Cooling System	Automatic Coolant System
Lubrication System	Automatic Lubrication

Core Advantages of Dual Spindle Technology

Single-Setup Complete Processing:

Finish complex front and back machining without operator intervention.

Superior Quality Consistency:

Eliminate clamping errors caused by manual repositioning; achieve strict concentricity down to ±0.005 mm.

Drastic Cycle Time Reduction:

Save 30% to 50% of total unit production time by running simultaneous or back-to-back turning, drilling, tapping, and grooving.

Reduced Labor Dependencies:

One operator can comfortably oversee multiple machines or integrate fully automated robotic cell loading.

Typical Production Applications

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Automotive Industry:

Transmission shafts, control valve spools, brake pistons, engine connectors, and steering knuckles.

Hydraulic & Pneumatic Systems:

High-pressure valve bodies, hydraulic fittings, cylinder end caps, and manifolds.

Industrial Machinery:

Precision couplings, drive shafts, heavy-duty bushings, and rotating flanges.

Medical & Precision Hardware:

Stainless steel connectors, fluid control housings, and custom fasteners.

Automated Dual-Spindle Workflow

Primary Machining (Main Spindle):

The main chuck secures the bar stock or blank for turning, facing, drilling, boring, and grooving on the front side.

Synchronized Handoff:

The sub-spindle advances, synchronizes rotation speed with the main spindle, grips the part securely, and takes over control as the parting tool cuts off the raw material.

Secondary Machining (Sub-Spindle):

The sub-spindle retracts to perform remaining back-end turning, chamfering, or live-tool end milling.

Automatic Unloading:

The finished part is automatically ejected onto a part catcher or conveyor belt.

Key Components

01.

Rigid Machine Base:

One-piece high-rigidity Meehanite cast iron bed absorbs vibration during heavy cutting, ensuring high surface finishes (Ra 0.8 µm or better).

02.

Dual Spindle Architecture:

Both spindles feature high-torque servo motors, thermal-growth compensation, and dynamic balancing.

03.

Mainstream CNC Control Systems:

Fully compatible with FANUC, Siemens, or Mitsubishi for intuitive programming and macro customization.

04.

Flexible Tooling Options:

Choose between high-speed gang-type tooling, 8/10/12-station servo turrets, or B-axis live tooling with C-axis spindle indexing.

Machinable Materials

Our machines handle a wide spectrum of ferrous and non-ferrous metals:
Steels: Carbon steel, Alloy steel, Tool steel (4140, 4340, 8620)
Stainless Steel: 303, 304, 316, 17-4PH, 420
Non-Ferrous Metals: Aluminum alloys (6061, 7075), Brass, Copper, Bronze
Exotics: Titanium alloys, Inconel (configured with high-pressure coolant systems and heavy-duty tooling)

Turnkey Automation & Optional Upgrades

Upgrade your machine into a fully autonomous machining cell:

Automatic Bar Feeders:

Continuous feed for long batch production runs.

Parts Catchers & Unloader Conveyors:

Safely move finished parts out of the work zone without interrupting cutting.

Gantry / Articulated Robot Loading:

Automated blank loading and finished part palletizing.

In-Process Measurement Probes:

Automatic tool setting and part inspection probes for close-loop quality control.

Factory Quality Control

Every machine undergoes strict inspection before leaving our factory:

Static Inspection:

Geometric alignment, spindle runout (≤0.002 mm), and axis perpendicularity checks using precision laser measurement.

Dynamic Testing:

Continuous 24-hour dry-run testing at full spindle speeds to monitor thermal stability and noise levels.

Test Machining (FAT):

Test cutting your sample parts to verify dimensional accuracy before final acceptance.

Video & Inspection Reports:

Digital test reports and full operational videos sent to buyers prior to final payment and packing.

Export Packaging & International Shipping

We protect your investment against harsh maritime shipping environments:

Logistics Support:

Complete support with FOB, CIF, or DDP terms, providing commercial invoices, packing lists, CE compliance certificates, and Certificates of Origin.

Corrosion Protection:

Full anti-rust oil treatment applied to all ground metal surfaces and guide rails.

Vapor-Proof Wrapping:

Sealed in heavy-duty vacuum plastic with desiccant packs.

Seaworthy Crate:

Fixed to a heavy steel/wooden skid base inside an fumigated wooden case designed for overhead crane and forklift loading.

Our Certificate

ISO9001, ISO14001, ISO45001, CE, EAC, CMS, GSP, BV, SGS, ERP, TUV

FAQ

Q: What is the primary operational advantage of a dual spindle lathe over a single spindle lathe?

A: A dual spindle CNC lathe completely automates the front and back machining of a part in one cycle. It eliminates manual repositioning, cuts overall cycle times by up to 50%, and ensures high concentricity between both ends.

Q: What is the positioning precision and repeatability of Zhongxin machines?

A: Our standard machines achieve a positioning accuracy of ±0.005 mm and a repeatability of ±0.003 mm, calibrated using laser interferometers.

Q: Can we run the sub-spindle and main spindle at different speeds?

A: Yes. Both spindles operate with independent servo drives and C-axis controls, allowing completely separate speed and positioning setups for main-side and back-side operations.

Q: How do you verify machine performance before international delivery?

A: We conduct full static alignment, laser interferometer calibration, dynamic thermal tests, and sample part test cuts. We provide complete inspection certificates and video footage prior to dispatch.

Q: What is the standard production lead time?

A: Standard configurations typically ship within 30 to 45 days. Customized turnkey solutions (with robotic cells or specialized tooling) are finalized based on engineering requirements.

Request a Free Cycle Time & Feasibility Study Today

Ready to boost your production efficiency and lower cost per part? Partner with Zhongxin for heavy-duty, high-precision CNC turning solutions.
Get Your Custom Quote in 3 Easy Steps:
Send us your part drawings (PDF/STEP) and material requirements.
Tell us your target cycle time or monthly volume.
Receive a comprehensive technical proposal, 3D tool layout, and competitive quote within 24 hours.
📩 Contact Our Application Engineers Today to Start Your Project!

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