Company Details

Huaying Chuang Precision Machinery Co., Ltd. [Guangdong,China] Business Type:Agent , Distributor/Wholesaler , Manufacturer , Service Main Markets: Americas , East Europe , Europe , Africa , Asia , Caribbean , Middle East , North Europe , Oceania , Other Markets , West Europe , Worldwide Exporter:81% - 90% Certs:ISO9001, RoHS, GB

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CNC Machining Control System Overall Scheme Design

2021-09-16

The overall requirements of the system mainly include: 1) Real-time reading of CNC(Computer numerical control) machine spindle coordinate data; 2) Automatically judge the spindle position and avoid; 3) With certain flexible expansion ability, can adapt to the processing of different shape structural parts; 4) All-round monitoring to ensure the safety of the spindle.

OEM Precision CNC Steel Machining Services

1 Reading of real-time coordinate data of CNC machine tool spindle
Before the CNC system is processed, the tool will be set with the tool setting origin of the fixture seat as the coordinate origin. Therefore, the CNC system and the follow-up fixture system use the same coordinate system. The spindle head coordinates of the CNC machine tool are the spindle position of the follow-up fixture system. . The block diagram of the control system is shown in Figure 3. The CNC system data processor and accompany fixture control end software adopt C/S structure. While the host PC obtains the real-time coordinate data of the spindle, it sends the data to the lower PC at the control end of the pallet fixture through the Ethernet interface of the machine tool according to the TCP/IP protocol. Compared with the fixture solution independent of the CNC system [9], the spindle coordinate parameters of this solution are directly obtained from the CNC machine tool, so the coordinate data acquisition time is shorter and more accurate.
CNC Machining Precision Medical Aluminum Parts

CNC Machining Precision Medical Aluminum Parts

2. Analysis and processing of coordinate data
Since the pressing area of the pallet of the pallet is also the processing area of the workpiece, when the spindle moves to the interference area of the pressing plate, the pressing plate of this area should be lifted up in time and rotated 90° clockwise to a safe position to avoid the spindle. In this system, the maximum feed speed of the spindle can reach 15 000 mm/min (when the tool is empty), so when calculating the interference range of the spindle and the pressure plate, in addition to considering the maximum plane diameter (tool sleeve diameter) when the spindle is running with the tool, the spindle The operating speed, the length of the pressure plate and other factors should also fully consider the impact of the system response time.

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