Flat Bed CNC Lathe - Rigid Hard Rail, Made by China Experts
When you need a rigid flat-bed CNC lathe, we are the Chinese manufacturer you can trust. Our expertise is built on 10 years of serving 500+ local factories, perfecting the craft of hard rail manufacturing. Our lathe gives you induction hardened hard rail (HRC50), an optional cast iron base for cutting stability, flexible lead time, 72-hour sampling, and a service team that responds in 10 minutes.
CNC Flat Bed Lathe Lineup
This machine handles cylindrical surfaces, tapers, and threads with automatic operation and stepless speed control.
It delivers IT6-IT7 accuracy for automotive and precision parts with stable cast iron construction.
This lathe machines large workpieces up to 660mm swing with reliable hardened bed ways.
It handles heavy cutting up to 800mm swing and 6000mm length for energy and heavy industries.
Why Choose Our Flat Bed CNC Lathe
You need consistent turning accuracy for your shop. This flat-bed CNC lathe delivers it with high rigidity and long-term stability.
Hard rail construction handles heavy cuts without losing precision.
Premium spindle and ball screw ensure consistent tolerances.
Induction hardened bed way resists wear for years of production.
An optional cast iron base provides extra support for demanding jobs.
Rigid Hard Rail for Heavy Cutting
For your heavy cutting jobs, the bed way matters. It is induction hardened to HRC50 and precision ground, giving you excellent wear resistance and dimensional stability. Unlike soft rail machines that gradually lose accuracy after months of operation, this flat-bed CNC lathe maintains consistent rigidity for years of continuous production. The optional integral cast iron base further enhances overall machine stiffness, making it ideal for demanding metal turning applications.
Fast Delivery & Flexible Production
Our monthly production capacity can be flexibly adjusted from 100 to 500 sets based on your order volume. Rapid sampling is completed within 72 hours, significantly faster than the industry standard of 120 hours. You don’t have to wait months for your machine. We align our production schedule with your timeline, ensuring you receive your flat-bed CNC lathe exactly when you need it.
Company Capabilities
When you partner with us, you work with a Chinese CNC machine tool manufacturer with 10 years of localization experience. We have served 500+ domestic customers across 20+ sub-sectors, and we have built a complete supply chain verification system and industry know-how database. Our six major product lines cover 90% of metal processing scenarios, with compound processing equipment accounting for 35% — nearly double the industry average.
Solutions by Industry
Stable batch turning of axle shafts, transmission shafts, valve stems, and steering knuckles. Our flat-bed CNC lathe delivers consistent accuracy for high-volume automotive production with induction-hardened hard rail (HRC50) and grinding-grade ball screw.
Precision turning of hydraulic cylinder piston rods and plunger rods with consistent surface finish. The rigid, hard rail construction ensures stable dimensional accuracy even under heavy cutting loads, making it ideal for hydraulic component manufacturing.
Technical Specifications
- CK Series Specifications
| Specification Capacity | CK6140 | CK6150 | CK6166 | CK6180 |
| Chuck size | 10″ | 10″ | 10″ | 12″ |
| Max. swing dia over bed | 400mm | 500mm | 660mm | 800mm |
| Max. swing dia over slide | Φ240mm(φ220mm) | 285mm | 420mm | 560mm |
| Distance between the centers | 500/750/1000/1500mm | 750/1000/1500/2000mm | 1000/1500/2000/3000mm | 1000/1500/2000/3000mm |
| Width of bed | 330mm | 400mm | 400mm | 400mm |
| Spindle | ||||
| Spindle speed range | 150-2200rpm | 45-180/180-750/600-1600rpm | Φ45-180/180-750/600-1600rpm | 45-180/180-750/600-1600rpm |
| Spindle bore | φ60mm | Φ82mm | Φ82mm,*Φ105mm | Φ82mm,*Φ105mm |
| Max.dia of through-hole | φ50mm | Φ70mm | Φ70mm,*Φ90mm | Φ70mm,*Φ90mm |
| Spindle nose | A2-6 | A2-8（*105mmforA2-11) | A2-8（*105mmforC-11) | A2-8（*105mmforC-11) |
| Spindle taper | MT6 | Φ90mm1:20,*105mmfor105mm1:20 | Φ90mm1:20*105mmfor120mm1:20 | Φ90mm1:20*105mmfor120mm1:20 |
| Axis | ||||
| Xaxis travel | 250mm | 295mm | 310mm | 310mm |
| Zaxis travel | 500/750/1000/1500mm | 750/1000/1500/2000mm | 1000/1500/2000/3000mm | 1000/1500/2000/3000mm |
| XZ axis rapid traverse | 6/8m/min | 6/8m/min | 6/8m/min | 6/8m/min |
| Turret type | ||||
| Turret type | Electric type | Electrictype | Electrictype | Electrictype |
| No of tool stations | 4,*6,*8 position | 4,*6,*8position | 4,*6,*8position | 4,*6,*8position |
| Max. section of the tool | 25x25mm | 25x25mm | 25x25mm | 25x25mm |
| Tailstock | ||||
| External diameter | φ55mm | Φ80mm | Φ75mm | Φ75mm |
| Travel of the tailstock quill | 120mm | 150mm | 150mm | 150mm |
| Taper of the tailstock quill | MT4 | MT5 | MT5 | MT5 |
| Motor | ||||
| Spindle motor power | 5.5kw,*7.5kw | 7.5kw,*11kw | 11kw | 11kw |
| Coolant pump power | 120w | 250w | 250w | 250w |
| Machine Dimensions | ||||
| Overall dimension (L×W×H) | 1700/2050/2520/3050x1400x1680mm | 2420/2860/3110/3620x1600x1750mm | 2750/3250/3700/4600x1800X2000mm | 2750/3250/3700/4600x1800X2000mm |
| Packing size(L×W×H) | 1850/2250/2640/3200x1530x2020mm | 2600/3050/3350/3850x1800x2220mm | 2900/3400/3800/4700x2000x2250mm | 2900/3400/3800/4700x2000x2250mm |
| N.W | 1400/1600/1800/2200kg | 2750/3100/3350/3550kg | 2700/2900/3300/3800kg | 2800/3000/3500/3900kg |
| GW | 1600/1800/2000/2400kg | 3000/3450/3750/3950kg | 2900/3200/3600/4300kg | 3000/3300/3700/4400kg |
Customer Testimonials
This flat-bed CNC lathe has been on our transmission shaft line for six months. The hard rail shows minimal wear so far, and we haven’t needed to adjust accuracy since installation. Compared to our previous machine, this one feels more stable over longer runs.
Markus WeberProduction Manager, GermanyEight months, two shifts per day, thousands of parts later — the hard rail still holds tolerance within our spec. Our linear guide machines typically need realignment every few months. This one has required less frequent compensation so far. We‘re satisfied with the long-term stability.
Marco RossiManufacturing Manager, SingaporeThis flat-bed CNC lathe is used for round punch and mold core machining. The surface finish is consistent — we don’t always need secondary polishing like we used to. Cycle time is slightly better than our old machine. It does what we expected.
Luca BianchiTooling Specialist, Italy
For your heavy cutting applications, hard rail gives you higher rigidity and vibration damping because it uses induction-hardened cast iron sliding surfaces. Linear guideway provides faster movement and less friction, but is less tolerant to heavy impacts. For general machining with occasional heavy cuts, hard rail is more durable.
Yes. The rigid, hard rail construction and high precision spindle bearings provide enough stability for stainless steel and pre-hardened materials. For harder materials, we recommend reducing cutting depth and speed. The optional cast iron base adds extra rigidity for difficult materials.
First, we inspect incoming raw materials for you with a 99.98% pass rate target. Second, we fully inspect over 50 key process points. Third, each machine undergoes a 72-hour continuous operation test before we ship it to you. You receive a test report with every machine.
