Heavy‑Duty CNC Lathes: From Ancient Egypt to Modern Precision

A Brief History of Heavy Duty CNC Lathes: And A Quick Intro to How It Works

According to the earliest archaeological records, the first turning lathe can be traced back to Egypt around 1300 BC and was used in the manufacture of various weapons. The documentation of turning lathes or rotating machinery can also be traced back to the time of ancient Greece. Ancient craftsmen used tools similar to turning mechanisms to make household items, weapons, jewelry, and other important items used in life while the turning lathes at that time cannot deal with heavy-duty as today. The heavy-duty CNC lathes people invented nowadays are much stronger than ever before.
 

Common Feature: Horizontal CNC Lathes Design

Among the many different designs of the heavy-duty lathes structure, one is very common, that is, the horizontal arrangement of the spinning spindle, which is used to clamp the workpiece. Turning CNC lathes are also called a turning machine, and are a machine tool that rotates a workpiece on a rotating turning axis to perform various turning processes such as cutting, knurling, grinding, drilling, deformation, end face machining, and turning. This type of machining is performed by using a tool that will be applied to the workpiece and create an object with symmetric profiles to the axis.

 

CNC Heavy Duty Applications

Regarding the methods of CNC lathes clamping workpieces, it can be divided into vertical CNC heavy-duty lathes and horizontal CNC heavy-duty lathes and the spindle arrangement are different too. The horizontal CNC heavy-duty lathes clamp the workpiece to the joint of the spindle. The CNC lathes’ spindle is driven by power resources that come from a belt, a direct connected motor, or a built-in motor. The driving force of CNC lathes determines most of the advantages of the lengthy processing performance of the heavy-duty CNC turning lathes with turrets that makes CNC heavy-duty lathes’ working lengths much longer

In addition to the clamping mechanism, the hydraulic clamping force is controlled by the cylinder to ensure a firm clamping force. The same controller is also responsible for the turrets. When the rotation speed is high, the workpiece will not break, resulting in unstable rotation, which will affect the turret stability. However, if the length of the workpiece is too long, the straightness issue will inevitably occur. At this time, a tailstock can be added at the end of the workpiece to help clamp it to ensure that the longer workpiece can also be firmly clamped, making the processing smooth and accurate and the spindle, as well as the turret, can operate under control.

In order to be able to carry out heavy-duty processing, the horizontal structure makes the operation easier. Rolling workpiece and mechanical accessories on a horizontal platform are more dynamic and balanced than rolling on a vertical platform. In addition, in the CNC heavy-duty lathe, the workpiece is clamped vertically and the cutting tools are installed in the same direction, so the processing is performed vertically.

 

Gravity Issue Helps in Vertical Models

Compared with horizontal lathes, vertical clamping will be stronger due to gravity. Manufacturers of CNC vertical lathes usually extend their vertical lathes to first-class manufacturing equipment for industrial users who produce large workpieces and pursue high precision. In the vertical clamping mechanism, the lathe spindle is located behind the chuck. The spindle may be driven by a belt, and some may be equipped with other types of drive mechanisms.

 

Multitasking Lathe

For the modern machining requirements of agility and versatility, like other milling machines and machine centers, lathes can also be equipped with power tools and tool magazines to enhance their functionality and versatility and provide users with greater processing possibilities. Power turret is a standard accessory for many modern CNC lathes and is one of the most important accessories for users of CNC lathes. Taiwan suppliers have targeted this business and developed many high-quality power turrets and power tools to support lathe users in the global market.

Many of these mechanical power turrets are driven by servo motors with high torque and speed, which can ensure the best processing results and save energy consumption. By adding milling functions, lathes have become more competent in industrial applications, thereby providing a wide variety of options for industrial users.