CNC Turning And Milling

Dongguan Jide Precision Machinery Technology Co., Ltd. is one of the most credible manufacturers and suppliers of cnc turning and milling in China. If you're going to wholesale high quality cnc turning and milling made in China, welcome to get quotation and free sample from our factory. All customized products are with high quality and competitive price.

Most CNC turning and milling is completed on a turning center, and a general turning center just replaces the ordinary turret tool holder of a CNC lathe with a turret tool holder with powered tools, and the spindle adds a C-axis function. Due to the limitations of the turret tool holder structure and outer dimensions, the power head has small power, low rotational speed, and cannot install larger tools. This kind of turning center is mainly for turning, and the milling and drilling functions are only for some auxiliary processing. Powered tool holders are expensive, causing the cost of turning centers to remain high. Most of the economical turning and milling combinations use the XZC axis, which adds a rotating C-axis to the chuck to achieve basic milling functions.

Machine parameter 

Analysis of the characteristics of different models of CNC turning and milling
1. QD42 model
QD42 model Thousand Island chuck is a low-cost fixture suitable for general processing. It has small clamping force but is simple and convenient to operate.
2. QD50 model
The QD50 Thousand Island chuck has a large clamping force and is suitable for heavy-duty processing, such as brake discs, gears and other parts. However, due to its complex structure, operation is relatively difficult.
3. QD63 model
The QD63 Thousand Island chuck has a strong structure and large clamping force, and is suitable for various precision machining. Its maximum round hole diameter reaches 63mm and has a wide range of applications.
4. QD80 model
QD80 model Thousand Island chuck has accurate calculation and is suitable for high-precision processing, such as precision mechanical parts. Due to the large clamping force and high precision, the price is relatively high.
5. QD100 model
The QD100 Thousand Island chuck has fast speed and large clamping force, and is suitable for processing some large and heavy workpieces. However, since the operation is relatively difficult, it requires professionals to operate.
6. QD125 model
The QD125 Thousand Island chuck is simple and convenient to operate, has moderate clamping force, and is suitable for various general processing.
7. QD160 model
The QD160 Thousand Island chuck has good stability and is suitable for high-speed processing. The price is relatively high and it is suitable for some occasions that require high-speed and high-precision processing.

【in conclusion】
As a commonly used fixture, Thousand Island chuck has very diverse specifications and models. Users should choose according to specific processing needs when purchasing, and pay attention to the safety of the operation of the fixture. I hope this article can be helpful to readers.

Powered turret technology is one of the core technologies of CNC turning and milling. Turning and milling compound machine tools can process complex parts on the same machine tool, combining turning, drilling, thread cutting, slot cutting, and keyway cutting. , side milling (face cutting), angle drilling (c-axis angle drilling), curve milling (cam cutting) and other processing are all completed on a turning-milling compound CNC machine tool, greatly reducing the production process and accumulated tolerances. The power turrets equipped with turning and milling compound CNC machine tools generally include disc turrets, square turrets and crown turrets, and the disc turret is the most widely used.

Types of powered turrets

At present, the power turrets equipped with CNC machine tools on the market are mainly divided into two mainstreams. One is the power turret developed by Japanese machine tool manufacturers, which is difficult to apply because there is no unified standard for its tool holder. The other mainstream is the power turret developed by turret manufacturers. Powered turret. At present, the larger turret manufacturers are all European companies, such as Sauter (Germany), Duplomatic (Italy), Baruffa1di (Italy), etc., and most of them follow the German VDI Toolholder System in the design and development of turrets. Standard, because the "VDI standard" has a large market share, the products of the European turret manufacturing company are currently the mainstream in the market. Powered tool turrets are classified according to different power sources, cutterhead forms, shaft couplings, and powered tool holders:

(1) Power source (source of poer): The power source refers to the power source when the turret changes tools. In order to adapt to the trend of rapid tool change, with the increase in servo motor output power and material strength, the hydraulic motor is gradually replaced by the servo motor. replaced by electric motor.

(2) Types of tool disk: According to the processing method, the cutter disk can be roughly divided into a circular axial cutter disk and a polygonal radial cutter disk. The circular axial cutter disk has better rigidity, but The tool interference range is larger, and although the polygonal radial cutterhead is slightly less rigid, it can perform back processing when paired with a sub-spindle. In addition, there is a star-shaped axial cutterhead. Although not all tool holders have milling functions, the range of tool interference is much smaller than that of a dry round cutterhead.

(3) Shaft coupling (Hirth-type gearing): The shaft coupling directly affects the accuracy of the power turret and the rigidity during cutting. It can be divided into two-piece type and three-piece type. At present, the power turret is three-piece type. Although the three-piece structure is less rigid than the two-piece structure, the three-piece structure has good water resistance and chip resistance, and the cutterhead only needs to rotate without pushing out, which is beneficial. Shortening of tool changing time and the design of power tool turret.

(4) Driven tool holder: The driven tool holder is also called the "power head". It is used on the power tool turret of the turning center and can hold drills, milling cutters and taps. It can be used on the driven tool holder. The tower motor rotates to drive the tool to rotate, and the milling, drilling and tapping processes can be carried out after the workpiece is turned. Workpieces that previously needed to be completed on lathes, milling machines and drilling machines can be clamped on the turning center at one time, thus turning the CNC lathe with a powered tool holder into a "turning and milling compound machining center", referred to as a "turning center". It can be seen that the power tool holder greatly expands the functions of CNC lathes. At the same time, the driven tool holder serves as an important connection between the driven tool turret and the cutting tool. It plays a very important role in the entire knife chain system. The performance of the driven tool holder itself is an important factor in determining the final processing effect of the workpiece.

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