CNC gantry Boring and milling machine is a new type of combination milling machine. The main transmission is helical gear transmission, with smooth transmission, and the feed transmission is ball screw transmission. The main characteristics of CNC gantry boring and milling machines are good rigidity, high accuracy, high efficiency, and the use of suitable milling cutter heads. The feed rate can reach 800 millimeters per minute.
The main performance characteristics of CNC gantry boring and milling machines:
1. The main milling head adopts a separate design of the slider and reducer, which improves the accuracy of the milling head. The reducer adopts a dual speed gear automatic transmission mechanism to obtain low-speed high torque and high-speed constant power. It can meet the process requirements of both rough machining and precision machining simultaneously.
2. The high-precision spindle combination bearing ensures the high performance and precision of the main milling head. The pressure head milling head is also balanced by a hydraulic cylinder and moves smoothly.
3. The three-axis transmission adopts imported high-precision preloaded ball screw or double rack gapless transmission. Ensure transmission accuracy.
4. Three axis feedback uses a photoelectric encoder to achieve semi closed loop position feedback. According to user requirements, a grating ruler can also be used to achieve full closed-loop position feedback.
CNC gantry boring and milling machines meet the critical machining needs of ultra large parts in key fields such as aerospace, power generation equipment, and automobiles; High speed precision CNC lathes, machining centers, and other products are widely used in professional categories such as automobiles, aerospace, electronics, and military industry, driving the upgrading of equipment and industry for many small and medium-sized companies.
CNC gantry boring and milling machine is an advanced processing equipment with high degree of automation, complex structure, and expensive price. It plays a huge role in modern industrial production. In order to fully utilize the efficiency of the CNC gantry milling machine and do a good job in the daily maintenance of the machine tool. Reducing the failure rate of CNC gantry boring and milling machines is also crucial for daily maintenance. Many common failures are caused by neglecting daily maintenance. If the CNC gantry boring and milling machine is used according to scientific operation guidelines and daily maintenance regulations, many problems can be avoided and economic losses can be reduced.
The overall structure of the CNC gantry boring and milling machine consists of a gantry, which is a rigid frame composed of double columns, crossbeams, connecting beams, top beams, top covers, and milling head gates. The crossbeam moves up and down along the column guide rail, and is equipped with a vertical high-power multifunctional stamping, boring, and milling head. The boring and milling head slider moves left and right along the crossbeam guide rail and up and down, while the gantry frame moves longitudinally along the bed.
When operating a CNC gantry boring and milling machine, the operator should be familiar with the specifications of the machine tool used. Such as spindle control motor power, spindle speed range, feed rate, machine tool stroke circle, worktable bearing capacity, ATC allowable tool size, tool disc surface, etc. Also, it is important to know the location of each oil mark and the brand of lubricating oil used.
Before operating the machine tool, it is necessary to confirm whether the lubricating oil standards for the spindle, guide rail, and other parts meet the requirements, and whether the air pressure meets the requirements. Only after confirming that the requirements are met can the machine be started. And let the machine idle for 3 minutes. Check if the machine tool is abnormal.
In addition, maintain a clean environment around the machine tool, regularly remove dust from the CNC gantry boring and milling machine, to avoid poor cooling air ducts that may cause excessive temperature inside the CNC cabinet and prevent the system from working properly. The circuit boards and electrical components inside the electrical cabinet should also be regularly dusted to ensure the normal operation of the electrical system.
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