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Vertical lathes for processing short workpieces
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ACE VTL 40 Vertical CNC Lathe
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Italy, region Bergamo
ACE VTL 40 Vertical CNC Lathe
17/01/2025 10:28
Bids: 0
16,500 €
  1. Definition: Vertical Lathes
  2. Vertical Turning machine - What does "turning" mean?
  3. How does a vertical lathe work?
  4. Vertical lathe machine manufacturers

A vertical lathe is a lathe whose main spindle is arranged vertically, which is precisely why it is also called like that. Its counterpart, the horizontal lathe, is more common, but both machines have their advantages. While horizontal lathes allow for longer turning lengths and can be loaded with greater flexibility, vertical lathes are characterised by a more compact design, easier chip transport and cost-effective automation options (pick-up system). Both types are in high demand even as used. At Surplex you can buy used CNC lathes with suitable turning diameters, C-axes, etc..

Turning is the machining process used for the production of workpieces that have symmetry about an axis of rotation. This includes mechanical components such as shafts, gearwheels, rollers or types of axes. Other typical products produced by a vertical lathe are special designs in the fields of media supply or the mass production of plumbing products. "Vertical turning" is a special type of turning, where the workpieces are not horizontally, but vertically clamped in. Therefore, it is particularly good for short workpieces with a large width, or those that are compact.

  • Used for the production of workpieces that have symmetry about an axis of rotation
  • The workpiece is clamped into the lathe
  • Particularly efficient due to the absent second grip
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The workpiece or component is clamped into the lathe ensuring that the workpiece does not slip out during the turning process. Due to the restrictions of big, short but wide workpieces, clamping from above is not necessary. The main difference between vertical and horizontal lathes is the influence of gravity and the lack of a second clamp (this is called the tailstock on horizontal lathes). The workpiece is moved by an electric motor and processed by a variety of tools. For hard metal products, a cutting process is used for the contour and surface area. Holes are created using drills and treads are created using thread taps. The workpiece is placed on a slide, where it then moves by the turning work tool, which is directed by installed programme.

DIEDESHEIM Vertical lathe in use

The turning process is not done manually, but follows the instructions of an inputted programme. The programmes are very easy to learn. Various companies provide free practice programmes on their websites for workers to learn how to programme those CNC vertical lathes. The CNC programmes can be tested using a simulation. However, only workers with a lot of experience and the right qualifications levels should be operating the lathe machine. Vertical lathes mainly differ in size. Small vertical lathes are used primarily for mass production and are joined over a defined feeder.

Loading is not conducted manually, but belongs to the automatic process. These machines are particularly well enclosed, to prevent injury from flying debris. Therefore, vertical lathes differ in the terms of the staff needed for operation. A piece of material is inserted into the machine and automatically formed into the desired shape. The staff only needs to be there to load and unload the product. Therefore, semi-skilled workers without prior experience can operate a vertical lathe.

This work is often also performed by industrial robots. These machines are particularly efficient due to the absent second grip, which causes the advantage of quick load and unloading. This is notable during mass production, where the machine produces a higher number of pieces per hour. To reach an even higher level of output most companies are using CNC vertical lahtes as they are able to produce the same amount of units in a much shorter time. A typical example of products resulting from this type of production are sockets and binding pieces for water or gas pipes.

Well-known manufacturers of vertical lathes are EMCO, EMAG, MAZAK and DMG. Large vertical lathes are manufactured by MAREP AG, EHLA and DÖRRIES.

You can find those and other famous brands at low prices on Surplex.com. Just take a look on our industrial machinery overview or check our industrial auctions to find your desired machine.