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The translation of the small CNC milling machine operation tutorial :

I. Preparations Before Operation

1. Check the Machine Condition:

   - Ensure that the power supply, air pressure, lubrication system, and other components of the CNC milling machine are in normal working condition.

   - Check that all parts of the machine are intact, with no looseness or damage.

   - Confirm that lubricating oil and cutting fluid are sufficient.

2. Prepare Tools and Workpieces:

   - Check that the cutting tools are in good condition and select the appropriate tools to install on the spindle.

   - Secure the workpiece firmly on the worktable, ensuring its position is accurate.

3.Check the Machining Program:

   - Write or import the machining program and ensure it is error-free.

 II. Power-On and Initialization

1. Power On:

   - First, turn on the main power supply, then start the CNC system.

   - Ensure the emergency stop button is released.

2. Return to Reference Point:

   - After starting, return all axes (X, Y, Z) to the reference point to establish the machine coordinate system.

III. Program Input and Editing

1. Program Input:

   - Input the machining program manually through the control panel or import it via external devices (such as a USB drive or network transfer).

   - If the program is simple, it can be directly entered through the control panel.

2. Program Editing:

   - If the program needs modification, switch to editing mode to add, delete, or modify it.

 IV. Tool Setting and Parameter Adjustment

1. Tool Setting:

   - Use a tool setter or manual tool setting to determine the initial position of the tool in the X, Y, and Z directions.

   - Record the tool compensation values and enter them into the machine control system.

2. Parameter Adjustment:

   - Set the spindle speed, feed rate, and other parameters according to the workpiece material and machining requirements.

 V. Program Verification and Simulation

1. Program Verification:

   - Lock the machine and run the program to check if the tool path is correct.

   - If any issues are found, return to editing mode for modification.

2.Simulation Machining:

   - Perform a simulation of the machining process on the machine control system to observe if the tool trajectory is reasonable.

 VI. Formal Machining

1. Start Machining:

   - After confirming everything is ready, unlock the machine and start the machining program.

   - Adjust the feed rate as needed during machining.

2. Monitor the Machining Process:

   - Closely observe the machine's operation to ensure there are no abnormalities.

 VII. Post-Machining Processing

1. Check the Workpiece:

   - After machining is complete, check the workpiece dimensions and surface quality to ensure they meet requirements.

2. Clean the Machine:

   - Remove chips and oil from the worktable.

3. Shut Down the Machine:

   - First, turn off the CNC system, then shut down the main power supply.

 VIII. Safety Precautions

1. Operational Safety:

   - Wear appropriate protective gear while operating to avoid accidents.

   - When manually moving the machine, ensure the Z-axis is at a safe height to prevent collisions between the tool and the workpiece.

2. Program Debugging:

   - Always perform a trial run of the program before formal machining to prevent collisions between the tool and the workpiece.

3. Machine Maintenance:

   - Regularly inspect the machine's lubrication and cooling systems to ensure they are functioning properly.

By following the above steps, you can safely and efficiently operate a small CNC milling machine. Always strictly adhere to the operating procedures to ensure machining quality and equipment safety.