Short Introduction

An industrial CNC lathe executes programmed Cartesian coordinates to remove material from rotating metal workpieces via stationary cutting tools. Built with a Meehanite cast iron slant bed and high-torque spindle motors, this machine handles continuous roughing passes and sub-micron finishing operations across steel, stainless steel, aluminum, and titanium alloys. Designed for high-utilization production environments, it integrates rigid linear guideways and servo-driven turrets to maintain dimensional repeatability over multi-shift cycles while meeting CE and ISO safety protocols.

 

 
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Types & Configurations
 
 
 

Flat-Bed CNC Lathe

Suited for heavy, oversized workpieces and manual-to-CNC transition shops; offers broad clearance but lower thermal stability at high spindle speeds.

 
 

Slant-Bed CNC Lathe

Features a 30 to 45 degree inclined bed structure that ensures optimal chip evacuation directly into the conveyor and superior rigidity under aggressive cutting loads.

 
 

Turning Center with Live Tooling

Combines standard turning with C-axis spindle indexing and driven milling tools, enabling cross-drilling, slotting, and eccentric machining in a single setup.

 
 

Twin-Spindle / Sub-Spindle Lathe

Equipped with main and sub-spindles for simultaneous front and back machining of parts, eliminating manual re-chucking operations.

 

 

Key Specifications

 

Specification Category

Parameter Metric

Standard Performance Tier

Heavy-Duty Tier

Capacity

Max Swing Over Bed

Less than or equal to 500 mm

Greater than 650 mm

Capacity

Max Turning Diameter

Less than or equal to 350 mm

Greater than 500 mm

Capacity

Distance Between Centers

500 mm - 1000 mm

1500 mm - 3000 mm

Spindle

Spindle Bore Diameter

52 mm - 65 mm

86 mm - 110 mm

Spindle

Max Spindle Speed

4,500 RPM - 6,000 RPM

2,500 RPM - 3,500 RPM

Axis Travel

X-Axis / Z-Axis Travel

X: 200 mm, Z: 550 mm

X: 300 mm, Z: 1250 mm

Dynamics

Rapid Traverse Rate (X/Z)

24 m/min / 30 m/min

20 m/min / 24 m/min

 

Key Features

 

Tck63 Slant Bed CNC Lathe

Meehanite Cast Iron Bed

Finite element analysis (FEA) optimized structural casting dampens high-frequency cutting vibrations and prevents thermal distortion during extended runs.

 
Ck6136 CNC Lathe Machine

Precision Ball Screws & Linear Guideways

C3-grade preloaded ball screws coupled with roller-type linear guideways on X and Z axes eliminate backlash and maintain positional accuracy under heavy axial thrust.

 
Flat Bed CNC Lathe Machine

Hydraulic Servo Turret

Bi-directional index turret delivers sub-second tool changes with hydraulic clamp forces exceeding 25 kN, preventing tool shift during interrupted cuts.

 
Tck56 Slant Bed CNC Lathe Machine

Closed-Loop Thermal Compensation

Real-time spindle growth sensors dynamically adjust axis coordinates to counteract thermal expansion during continuous high-RPM operations.

 

 

How to Choose the Right CNC Lathe
 

Material: Tough alloys (Inconel, titanium) demand high torque at lower RPMs and high-pressure coolant delivery, while non-ferrous metals (aluminum, brass) require high-speed spindles (greater than 5,000 RPM).

 

Dimensions: Verify the max turning diameter against raw stock dimensions, ensuring at least 5 mm clearance for facing operations. Account for part length relative to the distance between centers and tailstock travel.

 

Tolerance: For micro-tolerance requirements (plus or minus 0.005 mm or tighter), specify linear scale feedback systems and thermal isolation mounts.

 

Production Volume: High-volume, unattended runs require bar feeders, parts catchers, and gantry loading systems. High-mix, low-volume toolrooms prioritize fast tool-change turrets and conversational programming interfaces.

 

Machining Process: If secondary milling operations (keyways, cross-holes) are required on the same part, select a turning center with live tooling and C-axis control to avoid transfer errors.

 

 
Typical Applications

Automotive

Drivetrain shafts, transmission gears, steering knuckles, and axle components machined from forged steel and cast iron.

Aerospace

Turbine shafts, actuator housings, and structural rings processed from titanium and high-temp nickel alloys.

Oil & Gas

Drill collars, coupling adapters, and valve bodies requiring deep-hole boring and API thread cutting.

Medical

Bone screws, surgical instruments, and orthopedic joint components produced from stainless steel 316L and Cobalt-Chrome.

 

Manufacturing & Quality Control

 

Casting Aging Process: All bed castings undergo thermal annealing and natural seasoning periods to relieve internal stresses prior to precision machining.

 

Bedway Grinding: Axis guideway surfaces are precision-ground on high-gantry CNC surface grinders to ensure geometric straightness and parallelism within 0.01 mm / 1000 mm.


Laser Interferometer Calibration: Positioning accuracy and repeatability (X and Z axes) are verified using Renishaw laser interferometers in accordance with ISO 230-2 standards.

 

Ballbar Circularity Test: Dynamic contouring performance and axis interpolation are tested via telescopic ballbar analysis to detect servo lag and mechanical backlash.

 

Full-Load Spindle Run-in: Every assembled spindle undergoes a 4-hour thermal and vibration run-in test up to maximum RPM, monitoring bearing temperature stability.

Large Metal Turning CNC Lathe

 

 

FAQ

 

Q: What is the maximum achievable workpiece tolerance under continuous production?

A: With thermal compensation active and stable ambient shop temperatures (20 degrees Celsius plus or minus 2 degrees Celsius), diameter tolerances of plus or minus 0.008 mm and cylindrical runout within 0.005 mm are maintained across multi-shift steel turning operations.

Q: Can this lathe handle interrupted cutting operations in forged steel?

A: Yes. The Meehanite slant-bed structure and heavy-duty servo turret with hydraulic clamping provide the rigidity required to absorb shock loads during roughing passes on forged or cast components without tool chatter.

Q: What electrical and pneumatic utility requirements must be prepared on-site?

A: Standard configuration requires a 3-phase power supply (380V/480V, 50/60 Hz) with a total connected load ranging from 25 kVA to 45 kVA depending on spindle motor power. Clean, dry compressed air supply at 0.6 MPa to 0.8 MPa is required for chucking, turret indexing, and pneumatic purging.

Q: What is the standard lead time for machine delivery and installation?

A: Standard inventory models ship within 4 to 6 weeks. Custom configurations involving specialized bar feeders, live tooling, or non-standard bed lengths require 10 to 14 weeks. Regional certified service engineers handle on-site leveling, geometric alignment, and laser compensation during installation.

Q: How is spare parts availability managed for global and regional operations?

A: Major sub-assemblies including spindle cartridges, servo motors, hydraulic valves, and turret index mechanisms are stocked in international distribution hubs. Critical replacement parts are dispatched within 24 to 48 hours, backed by secure Ethernet-enabled remote diagnostics to minimize unplanned downtime.

Q: What operator training and programming support is included?

A: On-site training includes 5 days of technical instruction covering machine operation, daily maintenance routines, G/M code programming, and troubleshooting, aligned with international industrial safety standards.

 

Shandong TaoFong CNC Machine Tool Co., Ltd. is one of the most professional CNC lathe manufacturers and suppliers in China, featured by quality products and good price. Please rest assured to buy durable CNC lathe for sale here from our factory. Customized orders are welcome.

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