CNC Knowledge: There are 15 types of diagnosis of failure and countermeasures in the treatment center

1. hand wheel failure

reason:

1 and 1 bad contact of the selection and switch of the hand wheel shaft

2 Contact of the selection switch for the hand wheels multiplier is poor

3 and 3 The hand wheel pulse is damaged

4 handwheat connection line

Connection of countermeasures:

1 and 1 Enter the system diagnosis and the selection switch of the observation shaft corresponding to the contact situation (the connection line is intact).

2 Enter the system diagnostic observation division switch.

3 and 3 It is normal to pick up the measurement of the pulse disc, or if the resistance value between + and A, + and B is normal. If the damaged replacement

4 Enter the diagnosis of the system and the observation of the corresponding contacts of each switch, then measure the selection switch of the axis, the multiplier switch and the connection line between the connection line between the pulse discs and the corresponding point of the input system terminal.

Second, failure of the Xyz tree and the spit box

reason:

1 and 1 deformation damage to the protective cover of the YZ tree

2 damage caused to the YZ tree transmission

3 and 3 The service parameters do not correspond to mechanical characteristics.

4 Connect the engine and the screw head to be deformed, different axes

5 The upper and lower dates of the inner pillar are loose, and the position is loose, partial

6. Vibration of the chain and heavy hammer wheels of the pillar

7 The wheel of the tree belt and the end of the wheel engine are not parallel parallel

8 The pin belt is damaged, deformation

Connection of countermeasures:

1 and 1 protective cover

2 detect the owner of the tree, negatively locate the bearings, judge the bearings damage at the end and replace it

3 and 3 Adjust the Servo settings and the machine. (Servo gain, resonance deletion, load inertia)

4 from the position of correction connection of the new school, or replace the connection

5 Correct the guidance rail, lubricate with butter lubrication

6. Detect the wear of the chain and the guide wheels, correct the balance of the heavy hammer and lubricate the butter

7 Correct the parallelism between the two laps, the dynamic balance of correction

8 Detection of the strap of the belt is severely replaced, clean the belt, adjust the waterproofing of the loose belt

Third, Rail pump guide, cutting oil pump cut

reason:

1. Insufficient oil level

2. Drive damage to the oil pump oil pressure valve

3. Damage of the tool oil road to tool

4. Conduct the cardiac filter with a guide rail pump is blocked

5. The quality of the purchase by the railway oil client exceeds the standard

6. The oil pump oil pump oil settings are wrong

7. Cut the oil pump on the loading box and the jump circuit circuit

8. The cutting oil pump gasket fled the air

9. Damage to the unilateral valve of the cutting oil pump

10. Short-circuit circuit of the oil pump engine coil

11. Cut the engine of the oil pump on the contrary

Connection of countermeasures:

1 and 1 Inject the guide oil

2 Insufficient pressure valve detection, such as damage and replacement

3 and 3 Check if the oil-tool oil circuit is smooth, broken and if the oil line is damaged. If the damaged replacement

4 clean oil pump filter

5 replacement of qualified guide oil in accordance with the requirements of the oil pump

6. Configure correct oil time from new parameters

7 After testing if the guide rail oil pump is intact, the new reset is short-circuit

8 Find the connection of the air leak, connect from the new connection

9. Detect if the unidirectional valve is blocked and damaged, such as damage and replacement

10 detect the engine coil to replace the cut oil pump engine

11 Correct the steering oil pump engine, then

Fourth, the failure of treatment

reason:

1 and 1 the compensation for the opposite space of the XYZ tree is incorrect

2 xyz loose to the main band

3 and 3 the XYZ bearing is damaged

4 Deviation of geometric mechanical geometric of the body

5 The axis of the pin and the radial movement

6. Inappropriate adjustment of system servomotor parameters and treatment parameters

7 The customer programming program is false

8 XYZ rod screws, silk mother wear and tear

Connection of countermeasures:

1 and 1 Qian Diao Camp School Correct Reverse WAP

2 Adjust the tightness of the main inlaid of each axis and adjust the load conditions of the observation system to the best condition

3 and 3 detect the rolling situation, such as damage and replacement

4 marble horns, the club instrument detects the geometric accuracy of each element, if the gap is corrected

5 Attach the accuracy of the internal hole in the main axis and the spindle turn.

6. Adjust the position of the servo, the gear gain, the load inexpensively, the processing coefficient of treatment, the time of acceleration time

7 Optimize, adjust the programming process

8 Remove the screw difference using the laser interference instrument

Five, failure of loose knives

Cause of failure:

1 and 1 the pine knife solenoid valve is damaged

2 damage the spindle knife cylinder

3 and 3 damage the spindle springs

4 The main axis is damaged

5 Insufficient customer gas sources

6. Bad contact with the loose knife button

7 break

8 Show a deficiency in tank oil

9. The handle of the Latin client knife does not meet the specifications of the requirements

Connection of countermeasures:

1 and 1 detect movement of the solenoid valve, such as damage and replacement

2 detect the action of the knife cylinder, damage the replacement

3 and 3 detect damage to the spring sheet and replace the reed

4 detect if the main axis is intact, damage or replaced uses

5 The detection button is damaged, damaged and replaced

6. Check if the line is broken

7 Inject oil

8 The installation meets the standard Latin

6. The machine tool cannot return zero hours

reason:

1 and 1 The original points switch is stuck and killed and cannot be moved

2 The origin of the origin cannot press the original point switch towards the location of the switch movement

3 and 3 the point of origin prohibited in water,

4 The original point switching line is disconnected or an input signal source failure

5 PLC entry point burns

Counter-measuring:

1 and 1 Clean the stuck part to make the movement of the movement smooth or replace the route switch

2 Adjust the installation location of the route switch so that the contact of the zero -point switch can be pushed to the movement of the switch gently

3 and 3 replace the route switch and take waterproof measurements

4 Check if there is a short circuit of the switching line, if there is a signal source (power + 24 V CC)

5 Replace the entry point on the I / S card, perform the settings of the parameters and modify the API program

7. Positive and negative machine alarm alarm alarm

In normal circumstances, this alarm will not occur.

reason:

1 and 1 The route switch is in a hurry and stuck (exaggerated)

2 The route switch is damaged

3 and 3 The route switching line appears disconnected, short-circuit and signaling source

4 Limited gearboxes cannot be supported by the switch’s contact at the action location

5 PLC entry point burns

Counter-measuring:

1 and 1 manual or hand from the safe position or clean the switch

2 Replace the route switch

3 and 3 Check if there are short circuits in the line of the route switch and the court-circuit is re-transfered. Check the source of the signal (+ 24V CC power supply)

4 Adjust the installation position of the route switch so that it can be affected by the switch to the motion location normally

5 Replace the entry point on the I / O card and perform the settings settings, modify the PLC program

Eight, change the knife failure

reason:

1 and 1 insufficient atmospheric pressure

2 The pine knife button is in poor contact or disconnection of the circuit

3 and 3 pine knife button.

4 The pine knife relay is not active

5 The pine knife solenoid valve is damaged

6. Insufficient

7 Show a deficiency in tank oil

8 Fighting tank failure

Counter-measuring:

1 and 1 Check gas pressure to reach 6 kg positive and negative 1 kg

2 Replace the switch or check the line

3 and 3 Replace the PLC input port on the I / O card or check the PLC input signal source, change the PLC program

4 Check that the PLC Est / None output signal, the PLC output port is burned, modify the PLC program

5 The electromagnetic valve coil is burned and replaced, and the electromagnetic valve flees and does not move the piston, then the body of the valve is replaced

6. Adjust the smooth knife swords

7 Add hydraulic oil to the cup of knife cylinder oil

8 The screws inside the knife cylinder are loose and leaks, and the screws must be tightened to replace the sealing ring in the body of the cylinder.

New, the three -axis operation is abnormal during the race

reason:

1 and 1 failure

2 Undefeated of the screw road and the guidance rail

3 and 3 Severe wear of wear resistant tablets leads to serious scratching rails

4 The servomotor gain is not paired

Counter-measuring:

1 and 1 replace the bearing

2 Correct Screwbut

3 and 3 stick resistant re-tablets.

4 Adjust the servo gain settings so that it can correspond to the mechanics

10. Lubrication failure

reason:

1 and 1 Lubricate the pump fuel tank for lack of oil

2 Lubricating the pump oil time is too short

3 and 3 The pressure lubrication pump pressure relief mechanism is too fast

4 There are oil leaks in the oil road from the oil hose

5 The unilateral valve in the oil road does not move

6. Oil pump engine damage

7 damage to the printed circuit board of the lubrication pump

Counter-measuring:

1 and 1 Add the lubrication oil to the upper limit line position

2 The oil time setting is 32 minutes of oil for 16 seconds

3 and 3 If you can adjust the regulatory pressure degradation speed, you can replace it if you cannot adjust it.

4 Check the oil circuit interface of the oil pipe and manage it well

5 Replace the valve to a lane

6. Replace the lubrication pump

7 Replace the printed circuit card

8 If the M64S is forced to be 1A in the diagnosis of E / F, the E60 temporarily operates

Eleven, the program cannot be transmitted, the alarm P460, P461, P462 appears

Counter-measuring:

1 and 1 Check the transmission lines, if there are broken paths, virtual welding and the sheet is not connected

2 The lateral parameters of the computer transmission software must be consistent with the side of the machine tool

3 and 3 Change the computer to test transmission

4 If the ground is stable

Twelve, knife library problem

reason:

1 and 1 stop suddenly during the sword, and you cannot continue to change the knife

2 The Doujiao knife library cannot go out

3 and 3 do not loosen the knife during the sword

4 The blade cannot be turned

5 The blade suddenly the jet lag a knife half-position

6. When you change the knife, a loose knife and a tight knife error alarm appear

7 When the sword returned during the change, the sound of the main axis is very strong

8 After changing, the main axis cannot be installed with a knife (the loose knife is abnormal)

Counter-measuring:

1 and 1 is the air pressure sufficient (6 kg)

2 Check if the sword library is in place and if the cutting line of the electromagnetic valve line and the PLC of the Cup library came out

3 and 3 Adjust the volume of the knife, if the water in the knife cylinder is accumulated water

4 When the knife is a spoke, there is a way to break the swarm engine line and the contact phenomenon, whether it is damaged in contact with the relays, etc.

5 The blade engine brake mechanism is loose and cannot brake normally

6. Check the air pressure, if the cylinder is fully moved (if there is standing water), and if the loose knife is in place, but it cannot be too in a hurry (if he There is just a signal input like the input like the signal input because case)

7 Adjust the sword;

8 Modify the knife change program (Hongjiu Preface O9999)

Thirteen, machine tools cannot be called

reason:

1 and 1 The total contact between the general supply switch is poor or the switch is damaged

2 The operating panel cannot be electrified

Counter-measuring:

1 and 1 Replace the total power switch

2 Examine

A. There is no voltage output for switching power supply (+ 24 V)

B. The power switch of the system is not good, and the power switch excluding power breaks the road

C. The system on the system is not well exposed to contact, and you cannot lock yourself in

D. Disconnecting the circuit

E. conduct power communication contact, the power relay of the system has a failure

F. Is there a trip?

G. that the system works normally or if the axis z reader is damaged, no automatic power power -A

14. Failure of the cooling water pump

1 and 1 check if the pump is burned

2 Is there an anti-compat of the feeding phase

3 and 3 exchange contacts, if the relay is exhausted

4 If the panel button switch is the input signal

Fifteen, blowing air insufficiency

1 and 1 Check the solenoid valve if there is an action

2 Find out if there is an action to blow the relay

3 and 3 there is a signal of the panel button and the PLC output interface