Operation Steps of CNC Woodworking Machine

Key steps

The man-machine relationship is mainly generated in the man-machine joint operation process of CNC woodworking machine tools. There are five key steps in the operation process: workpiece handling, alignment, card loading, tool setting and monitoring. Among these five steps, the influence of the operator's physical factors is particularly obvious. The following analyzes the five key steps in the use of CNC woodworking machine tools:

• The workpiece handling is the starting point of the processing process, and the factors related to handling are mainly the position of the workpiece and the weight of the workpiece. The weight of the workpiece is different, and the way of handling is also different. For heavier workpieces, the common method is hoisting, so the design of the machine tool should avoid capping, and the upper end of the machine door should not have a beam structure that is convenient for hoisting to avoid affecting the hoisting workpiece. Lighter workpieces are handled manually. For the same workpiece, due to different placement positions, the efficiency and difficulty of workpiece handling are also different.

• Finding the right part is a necessary step for the part to be processed correctly, which requires manual operation of the machine tool. The alignment process includes the manipulation of workpieces, measuring tools and CNC panels. The workpiece is the target of alignment, and the operator is the main body of alignment and the master controller. The operator controls the numerical control panel, and then controls the movement of the table, and then uses the measuring tool to measure and correct the position and direction of the workpiece placement.

• Clamping refers to the process of using a fixture to fix the workpiece on the workbench. The way of clamping is closely related to the size of the table, the size of the workpiece and the type of machine tool.

• Tool setting refers to using the numerical control panel and the control handle to control the movement of the spindle to read the position of the aligned workpiece. At this point the operator shifts from processing workpieces to monitoring workpiece production and fine-tuning.

• Monitoring means that when the machine tool is working, the operator observes and controls the working process of the machine tool. The main operation actions are concentrated on the control panel and the numerical control panel, and the machining actions of the machine tool can be adjusted in time according to different situations, including adjusting the knob and input control. Commands and handheld controls.

Action analysis

The operation of CNC woodworking machine tools mainly includes one-hand keystroke, two-hand keyboard input, observation, hand-held controller and operation of workbench. The action is analyzed according to the actual operation requirements of the five-axis CNC woodworking machine.

• One-hand button: mainly on the control panel and numerical control panel. The operation of one-handed keys is largely determined by the human field of vision.

• Two-hand keyboard input: Since it is a two-hand operation and is in a standing posture, when operating the machine tool, the keyboard height should be the same as the elbow or slightly lower than the elbow.

• Observation: After the card installation and tool setting operations, the main work area of the operator is gradually transferred from the workpiece processing area to the display control area, and the operation mode is also changed from manual work to mental work. The observation of the workpiece is particularly frequent in the monitoring control, mainly through the observation window to artificially observe the movement of the workpiece and the machine tool. The combination of human observation and display data constitutes a more reasonable human-machine relationship.

• Hand-held controller: Generally, one hand holds the controller, and the other hand operates the knob or key. This mode of operation is mainly related to operations that require frequent observation. In some cases, it is necessary to reset the rotational speed of the tool and the feed rate of the cutter head. The usage status and the observation of the workpiece are inseparable.

• Operation of the workbench: The main operating area of this operation is related to the shoulder height and the distance from the shoulder to the palm of the hand, that is, the range of motion of the human hand. In addition, it is also related to the operating range of the human hand and the curvature of the lumbar spine. The bending range of the lumbar vertebra is usually between 0° and 75° during the working process. The work in this part mainly focuses on the replacement of the tool and the clamping of the workpiece, including the process of tool loading and tool setting.

Conclusion

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