CNC MILLING MACHINE TROUBLE SHOOTING
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Trouble Noise for tool changing 3. Can’t change the 4. Tool tool magazine( 5. (Umbrella 6. type) Tool number in chaos Tool magazine keep rotation Check the air pressure Check the milling chuck pull stud model Check the cylindrical travel Check the oil input. Check the air pressure Check the tool magazine manually, if can’t move, check the circuit breaker Check if tool magazine motor phase is right or not Check if the limit switch of tool loosening is in right position Check if the sensor switch is right or not Check if the tools is hit or the reference point is changing, adjust 3‐axis parameter according to P 2038(MITSUBISHI) or P1241(FANUC). Check if the motor phase Reset the tool magazine, and re‐perform the procedure. 1.Set Feed Rate knob as 0 under HANDWHEEL model, press Tool magazine not RESET to get the tool magazine back. drawing back. 1. Check the air pressure 2. Check the milling chuck pull stud model Noise for tool 3. Check the cylindrical travel changing 4. Adjust the second reference position, spindle positioning angle, spindle tool positioning, spindle tool switch positioning etc. 1.Check the air pressure Trouble 2.Check the tool magazine manually, if can’t move, check the Shoot circuit breaker (Arm 3.Check if tool magazine motor phase is right or not type) Can’t change the 4. Check if the brake is too tight or too loosen tool 5.Check the tool sleeve’s tolerance 6.Arm not back to zero, adjust the arm screw to ZERO point, when the power on is ok. Tool magazine not 1.Set Feed Rate knob as 0 under HANDWHEEL model, press

1. Press ”O.T.REL” key, use the handwheel rotate the axis to Over limited reverse direction. 2. Check if the limit switch is broken. 1. Check the limit switch is right set in the software or not Can’t back to zero Axis 1、 Adjust or replace the ZERO block or SWITCH Trouble 1.Clean the axis cover, 2.Change the bearing Noise for Axis 3.If it is from Z axis, check it is loosen for the hammer and guide way is loosen or not. Check if the hammer chain and guide wheel is wearing or not. 1. Lubricate the spindle belt Spindle Spindle Noise 2....

Use handwheel move axis back home. System alarming, check manual for FANUC/MITSUBISHI Check air pressure Input spindle coolant oil or replace the oil. Choose the high/Low speed incorrectly Axis limit over Battery alarm ToolMagazine back home signal cannot be found‐‐‐Choose function Tool magazine motor is over loaded Coolant motor over loaded Check chip conveyor motor over loaded T code error Spindle is not positioned The arm is NOT in middle position Press “O.T.REL”and make the axis rever Replace battery Check the sensor switch Check the thermal relay inside the ...

Tool magazine is not positioned and could notget the sensor signal 1. Make the tool magazine forward/backward rotation by hand to see if the alarm can be elimated, if 1027 alarm appears, operate the magnetic valve by hand, and rotate the tool magazine by hand too, then eliminate the alarm. 2. Check if the sensor switch is broken or not Tool collets cannot go upward Arm JOG mode error Tool is not clamp well Re‐start the controller Check the limit switch 1. Check the spindle tool loosen/clamp can test the signal at the same time, adjust the limit position. ...

Net Weight Main Power Circuit Breaker KG

4. Maintenance 4.1 Machine’s Electric Function 1Circuit Breakers are used as machine’s overload and circuit short protect. 2) Soft limit and mechanic limit has been set on the machine. 4.2 Everyday Maintenance As we required in Permeable, only electrician is allowed to do repair and maintain job for this machine. And the machine should meet with requirements below: 1) Check electronic oil pump to see that if lubrication oil is needed. 2) Check Oily water separator to see if the oil is enough or not.(If the oil falls below the ...

3) Check that if every scrape is wearable or not. 4) Check if every servo motor and spindle runs in normal, if so contact manufacturer immediately. 5) Check lubrication and 6) Check and adjust the leveling of the machine. 4.6 Check Every year 1) Check the verticality of every axis, and adjust it. 2) Check if lubrication oil pipe is good or not. Warning: 1. Only professional operators are allowed to repair the Auto Tool Changer. 2. Others should be far away from working area.