Hisson Plastic Machinery Co., Ltd. 

Injection molding machine clamping part of the problem processing method

by:Hisson     2020-04-29
1. No clamping processing method: check the safety door switch, and repair. Check all the electricity in 24 v5a power, insurance and power supply box. Check whether the valve core is stuck, clean the valve core. To check whether there is output I/O board, the electromagnetic valve is electrically charged. Check whether the hydraulic safety switch is pressing, mechanical rod baffle lock is on. 2. Mold opening and closing machine ground ring processing methods: to check the oil pipe is disconnected, if so, have to pick up good tubing. Small amount of lubricating oil and increase the amount of lubricating oil, it is suggested that 50 mould preview once or to add the lubricating oil with manual. Clamping force is big, check whether the mold need large clamping force, clamping force. Amplify the disorderly plate current, check whether the current parameters is in line with the acceptance criteria, to adjust the current value. Parallelism error, check with a dial indicator head junior parallelism is greater than the acceptance criteria; The parallelism. 3. For a few seconds to open mold processing methods, such as: start slowly and check whether the screw damping is too large, the small screws damping hole. Damping screw in the middle hole is too big, check whether Y damping hole screw is too big, in the center hole of fine damping. 4. Crawl lock mould processing method: junior guideway and elder brother Lin Zhu wear big, check the junior Lin Zhu guideway and the elder brother, to replace copper set of second board, elder brother Lin Zhu, filling lubricating oil. Set lock mode and improper pressure adjustment speed, flow of 20, 99 when clamping pressure junior should not crawl, adjust flow proportional valve hole, or pilot valve hole, adjust proportional valve linear current value. There is air and exhaust pipe and cylinder. 5. Increases the processing method of the mould can't open the lock mode speed, pressure flow is too small not good, check the lock mode speed, pressure whether appropriate, increase the lock die pressure, speed. Clamping electronic scale zero change, check whether clamping straighten machine ground after termination at zero, readjust the electronic scale to zero. Check whether the hinge. 6. In the automatic production mode will be more and more tight or loose processing methods: mold electromagnetic valve leakage, check for the 'O' type solenoid valve; Manual dozen other movements, whether there is action, and see if valve is jammed. 7. Clamping other action after work, fully automatic drive slowly die processing methods: oil leaking plate, inspect or replace an express mode locking valve, replace the oil plate. Mould opening valve leakage, to start the pump and clamping end, according to shoot or adhesive action, whether junior backward-shift, replace the cavity oil valve. Normal to the lock mode. 8. Clamping mould opening only action processing methods: wrong line, check for 24 VDC to the valve, the check circuit and wiring. The wrong card valve or valve core, check whether the valve core is wrong, or congestion, reinstall valve core or cleaning. Under normal circumstances the lock mode movement is motionless. 9. Clamping breakdown processing method: A, B improper adjustment, set 20 system flow, pressure, 99, observe whether clamping action is crawling, to adjust or change valve. There is air in oil, listen to the oil in the presence of air, check the oil in the presence of air bubbles, need to vent. Enlarge plate oblique rise fall improper adjustment, observe the ammeter is proportional to the current value and whether changes in or with speed, adjust the amplifier board. 10. Clamping can't afford to high pressure, beyond stroke treatment methods: limit switch beyond limit, check whether the variable appropriate, adjusting appropriate mold thickness. Check whether the motor is normal. Hydraulic limit over schedule, appropriate electronic foot stroke position, check whether the variable appropriate, the appropriate mode forward. 11. Manual have mould is terminated, semi-automatic without mould process termination methods: cavity valve leakage, manual shot behind the action, observe whether junior is backwards, replace the mould opening valve. Check the electronic scale biggest stroke and pressure flow. 12. No thimble action processing methods: thimble limit switch is bad, the multimeter check lights on 24 v close switch. Replace the thimble limit switch. Valve, with hexagonal key press plunger valve core can move, clean the pressure valve. Thimble limit rod break, stop after take out the limit lever with the hand, change the limit lever. Plunger switch short circuit, using a multimeter to check thimble, switch to ground zero voltage change of plunger switch. Electronic foot position Settings. 13. When semi-automatic thimble control processing methods: bad thimble board, check whether the circuit is normal, normal voltage DV24V. Maintenance thimble plate. Line breaks, overall check switch cables, cables on the I/O board. Check the circuit, wiring again. Check whether there is any go on mold. Oil cylinder piston rod sealing ring is damaged. 14. Open mold processing methods: big sound when the linear between, time pressure flow control bad location, combining a model check oblique rise fall in the parameters, adjust the parameters of the oblique rise fall. Clamping machine hinge poor lubrication, check brother Lin Zhu, junior feet slip, machine hinge lubrication situation, increasing lubrication, increase the number of preview. Mould clamping force is too large, check the force when the mould clamping force, according to the condition of the user product reduce clamping force. Check whether time position suitable. Head junior parallelism deviation, check head plate junior parallelism. Adjust the junior, head plate parallel error. Slow to rapid mould set location is too small, too fast. Check the slow mould rapid mould proper position, slowly open mold speed is too fast. Extended slowly open mould position, reduce the speed of the slow open mould.
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