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Dongguan City, Guangdong Province.


PTJ Shop is Cnc Machining Expert has 12 years experience on custom non-standard parts. As a cnc machining factory We Material research & Design and manufacture products,Material types included machining aluminium,stainless steel,brass,copper,titanium,magnesium and plastic machining etc.,. our factory located in Dongguan, occupies an area Over 5,000 square meters. Cnc Machining Online Quote Serviced aircraft&aerospace, automotive, LED lighting,bike,medical,electronic,mechanical,Oil&Energy and Military industries. Most of Our Customer business who base on Canada, Israel, Japan, Europe and USA, the business grow up year by year. We are sincerely looking forward to your cooperation, warmly welcome you join us to share the market, and expand our business together!

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Basic composition of CNC machining center

 The CNC machining center is an automated machine tool equipped with a program control system.

As the manufacturing industry has higher and higher requirements for intelligence and automation, the performance improvement and innovation of CNC machining centers are also continuing. 

To understand the relevant performance of the CNC machining center, you must first understand the structure of the machining center:

From an overall point of view, it is mainly composed of the following parts.

  • Basic components. It is the basic structure of the machining center, which is composed of a bed, a column, and a table. They mainly bear the static load of the machining center and the cutting load generated during processing, so they must have sufficient rigidity. These large parts can be cast iron parts or welded steel structural parts. They are the largest volume and weight parts in the machining center.
  • Spindle parts. It is composed of main shaft box, main shaft motor, main shaft and main shaft bearing. The spindle's start, stop and speed change are all controlled by the numerical control system, and participate in the cutting movement through the tool mounted on the spindle, which is the power output part of the cutting process. It is a key component of the machining center, which determines the machining accuracy and stability of the machining center.
  • Numerical control system. The numerical control part of the machining center is composed of cNc device, programmable controller PLC, servo drive device and operation panel.
  • Auxiliary device. Including lubrication, cooling, chip removal, protection, hydraulics, pneumatics, and detection systems. Although these devices do not directly participate in the cutting movement, they play a role in guaranteeing the machining efficiency, machining accuracy and reliability of the machining center, so they are also an indispensable part of the machining center.

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