Precautions for use of Er extension rod

August 23, 2021

The machining of CNC machine tool and the machining quality of workpiece are also related to the installation of cutting tools. Er extension rod has excellent quality and reasonable price. In addition to matching with major domestic machine tool plants, the products are deeply trusted by users at home and abroad. During use, the materials should be kept dry to prevent rust. For the ER extension rod, the quality requirements are very strict. For the storage of the ER extension rod, if it is not stored properly, it may affect the service life of the ER extension rod. The first thing we need to do is to keep it away from the water source. Because this material will corrode if it is in water for a long time.

Er extension rod has strict requirements for tool shank diameter, because it is pressed on the side. In order to maintain accuracy, the accuracy will change, which must be paid attention by sales personnel and users. The main problems related to tool installation are: improper tool installation position, unstable tool installation, unequal height between tool tip and workpiece axis. Cause problems and causes. Generally, the turning tool tip shall be at the same height as the turning tool workpiece axis. When roughing and turning large-diameter workpieces, the tool tip shall be slightly higher than the workpiece axis; when finishing, the tool tip shall be slightly lower than the workpiece axis. However, when finishing conical and arc contours, the turning tool tip shall be strictly at the same height as the turning tool workpiece axis. When turning a slender shaft, in order to make the tool tip close to the workpiece when supported by the tool heel or center frame, the tool shall be properly offset and installed to the right to form a main deflection angle slightly less than 900. To generate a certain radial force, so that the slender shaft is pressed on the pillar of the tool heel to avoid shaft runout; When the turning tool rod is not supported by the tool holder or center frame, the tool shall be properly installed to the left to form a main deflection angle slightly greater than 900, and the ER extension rod shall be used to minimize the radial cutting force.

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