CNC lathes for production runs and complete machining
A CNC lathe guides a rotating workpiece against a program-controlled cutting tool and produces cylindrical parts such as shafts, spindles, bushings and threaded components in consistent quality. Compared with a conventional lathe, it works to stored programs, with higher speed, short cycle times and tight dimensional accuracy across long runs. That makes it the standard for precision parts in production runs. KNUTH offers CNC lathes from the compact training model to the heavy-duty cycle-controlled lathe.
Types of CNC lathe at KNUTH
Which CNC lathe fits depends on your parts, your batch sizes and your operators. KNUTH covers these types:
- CNC slant-bed lathes: The inclined bed improves chip clearance and access to the work area. With high repeatability and short cycle times, they are the standard for precision parts in production runs, for example in automotive, medical and aerospace work.
- Compact CNC lathes for training and model making: Mobile slant-bed machines with CNC control and tool turret teach CNC operation in a hands-on way and suit the training shop and model making.
- CNC lathes with driven tools: They mill and drill in addition to turning, so complex parts are finished in a single setup. This saves setups and increases accuracy.
- CNC cycle-controlled lathes: Precision cycle-controlled lathes with a control, a multi-position tool changer and electronic handwheels combine CNC programming with manual operation. Ideal for one-off parts and small batches where rapid adjustment is needed.
Driven tools and complete machining
CNC lathes with driven tools combine turning with milling and drilling. Cross holes, slots, flats and threads are produced directly on the lathe, without re-clamping the workpiece and moving it to a milling machine. This complete machining in a single setup shortens throughput times, reduces clamping errors and is economical for complex turn-mill parts. A sub-spindle for holding long or cylindrical workpieces is available depending on the model. Which machine offers driven tools is stated on the respective product page.
Slant bed or flat bed
Both designs have their strengths. The slant bed lets chips fall away freely and gives the operator good access to the work area, which makes it ideal for production runs with a high metal removal rate. The flat bed with its horizontal bed is rugged and proven and excels with long, heavy workpieces. Which design fits depends on the workpiece and the desired machining quality. KNUTH advises on the right solution.
Key technical data compared
When comparing CNC lathes, a few key figures decide whether a machine suits your work:
- Swing over bed: The largest workpiece diameter that can be turned over the bed. In the KNUTH CNC range from about 8 in on compact machines to over 32 in on cycle-controlled lathes.
- Workpiece length and distance between centers: Determines the greatest machinable workpiece length, up to about 200 in on heavy-duty cycle-controlled lathes.
- Spindle bore: Decisive for bar work. The bore must be larger than the bar diameter.
- Tool turret and tool stations: More stations mean fewer tool changes and shorter setup times.
- Control: CNC with Siemens or Fagor.
- Accuracy and repeatability: The precision you can hold from part to part.
The KNUTH product pages list these values for each model, so you can match a machine to your tolerances and floor space before you request a quote.
CNC control and technology
KNUTH CNC lathes use proven controls from Siemens and Fagor. Programs are transferred via USB and network, so operators load and manage jobs directly at the machine. This gives faster setups, consistent quality across long runs and a control environment that works with common CAM software and existing tooling.
Industrial applications
CNC lathes are central wherever precision and volume matter:
- Production runs: Consistent dimensional accuracy across large quantities.
- Precision machining: Exact dimensions and surface finishes for automotive, medical, aerospace and machine building.
- Complex turn-mill parts: Complete machining with driven tools in a single setup.
- Shafts and cylindrical parts: Axles, bolts and bushings in reproducible quality.
- Training: Introducing CNC programming and CNC operation in the training shop.
Conventional vs. CNC lathes
A conventional lathe is controlled manually by the operator and is flexible for one-off parts, repairs and maintenance. A CNC lathe works to programmed instructions, with higher speed and consistent precision in production runs. For changing one-off jobs the conventional machine is often the more economical choice, for high volumes and complex parts the CNC machine. Many shops use both. For an overview of the full range, see the lathe machines page.
What to consider when buying a CNC lathe
When buying a CNC lathe, consider the following points:
- Workpiece size: Swing over bed and workpiece length must match your typical parts.
- Batch size and cycle time: Higher volumes justify more tool stations, driven tools and short idle times.
- Scope of machining: If you want to integrate milling and drilling, choose driven tools for complete machining.
- Control: Siemens or Fagor, matched to your existing CAM environment and operator know-how.
- Stability and construction: Rugged, low-vibration construction ensures precision and a long service life.
- Accessories and expandability: Chucks, tool turret, tailstock, sub-spindle and bar work. KNUTH puts together the right package.
Why KNUTH
KNUTH has supplied machine tools to metalworkers worldwide since 1923 and is an experienced manufacturer and supplier of CNC lathes. Our machines are built for daily use in demanding environments, with a focus on long-lasting reliability, easy maintenance and consistent performance. Every machine is quality-tested to European testing standards. That gives you European quality and compliance without the European price. With stock held in the US near Chicago and an Americas service team, we deliver quickly and support your machine throughout its service life.
Comprehensive service: commissioning, training, repair
We support you with the installation and commissioning of your new CNC lathe and train your team on operation and programming. On-site commissioning covers setup, leveling, electrical connection, initial calibration and a spindle run-out check. For CNC machines we offer remote maintenance via the control manufacturer's module. Our Americas service team and repair service cover all machine categories in the KNUTH range. Our spare parts inventory ships most components quickly, including for older machines.
Request a CNC lathe at KNUTH
Looking for a reliable CNC lathe for production runs or complete machining? KNUTH covers the spectrum from the compact training machine through the slant-bed lathe to the heavy-duty cycle-controlled lathe. Many models are available at short notice. Request a no-obligation quote on any product page, or contact our team. We will help you find the right machine for your shop. Call us or write to us.
Further Machine Categories at a Glance
Here you will find an overview of our range of machines. Select a category to learn more about individual machines and their technical specifications.
