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CNC gantry milling is a key machine equipment for processing large and medium-sized shell parts

2021-03-22 10:24:04
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The key to CNC gantry milling is a CNC lathe that uses a boring tool to mill the product workpiece. Generally, the rotation of the boring tool is the dominant fitness exercise, and the movement of the boring tool or the product workpiece is the fitness exercise. Its machining accuracy and process performance are higher than that of a planer.


  (1) CNC gantry milling: The characteristic is to carry out production and processing at a low cutting speed and high cutting consumption, so the product workpiece produced and processed has a high specification precision (IT6), and the roughness can be 0.2μm.


  (2) Vertical CNC gantry milling: Vertical CNC gantry milling is the most common type used in gantry planers. It is mainly for hole production and processing. The milling precision can reach IT7, and the roughness Ra value is 1.6-0.8um. The main parameter of the vertical gantry planer is the spindle bearing diameter.

 

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(3) Coordinate CNC gantry milling: Coordinate CNC gantry milling is a kind of high-precision CNC lathe. Its structure is characterized by high-precision and accurate measuring equipment with coordinate parts. Coordinate gantry planers can be divided into single-column coordinate gantry planers, double-column coordinate gantry planers and vertical coordinate gantry planers.


 (4) Vertical coordinate CNC gantry milling: The operating table can perform rotating fitness exercises in the plane, and the knife-walking fitness exercise can be completed by the vertical movement of the operating table or the radial movement of the spindle bearing. Its processing accuracy is high.


  (5) Single-column-type coordinate CNC gantry milling: The spindle bearing drives the CNC blade to rotate the main body-building exercise, and the spindle bearing sleeve specification is used for the tool-building exercise along the radial direction. Features: Simple structure, convenient actual operation, especially suitable for the production and processing of high-precision holes of plate parts, but its rigidity is relatively weak, so this type of structure is only suitable for large, medium and small coordinate gantry planers. Double-column coordinate gantry planer: CNC blades are installed on the spindle bearings to do the main fitness exercise. The product workpieces are installed on the work table and move along the vertical parallel line along the slide rail of the bed body with the operating table. Its rigidity is good, and this type of structure is used for large and medium-sized gantry planers at this stage. The main parameter of the double-column type coordinate gantry planer is the total width of the cabinet countertop during work.

 


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