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Horizontal injection molding machine common breakdown maintenance and maintenance
Announcer:admin  Posted on:2017/12/21 11:36:54  Click Rate:1126

Horizontal injection molding machine maintenance: the injection screw and barrel of injection molding machine, check the inverse ring the heart part, determines the quality and efficiency of the process, must keep them in good working condition.First imported horizontal injection molding machine in take the necessary measures to prevent the plastic debris into plastic material flow, in addition to pay attention to check the screw and barrel, non-return rings and barrel proper clearance, normal clearance should be sealed plastic flow and generate plasticizing the shearing action, when found melt slowly, molten material has the spot and black spot, or product forming instability should check and machine barrel screw, non-return ring wear.

Imported second-hand injection molding machine parts of the cause of the common failures and solutions: imported second-hand injection molding machine production instability or unqualified, in stable production cycle, product quality is not stable, may be caused by mechanical parts wear or improper adjustment.

1, machine barrel, screw, non-return of wear and tear.

2, oil injection in cylinder seal damage resulting in leakage.

3, the temperature control of the heating tube is not stable.

4, pressure, speed control part of the disorder.

The noise of imported horizontal injection molding machine

Abnormal noise, said parts damaged or improper adjustment, should check the reason according to the location of the noise from the immediate repair.

1, the hydraulic oil tank, oil pump suction air or oil filter dirt blocking leads to pump oil shortage, lead to bubbles in the oil discharge blade impact and noise, the solution is to check the oil, to prevent the inhalation of air and oil filter cleaning.

2, the hydraulic oil of high viscosity, increase the resistance to flow, need to replace the appropriate hydraulic oil.

3, or leaf damage due to oil pump or motor bearing, coupling the concentricity deviation caused by noise, must adjust the concentricity or replacement parts.

4, direction valve failure but function is still in the reaction, such as valve core, internal leakage, burr obstruction, mobile is not flexible, electromagnetic valve failure due to lack of current also can produce noise.Solution is to clean the valve core, valve core wear must change the new parts, current must be stable and sufficient.

5, hydraulic components damaged or oil pipeline blocking the hydraulic oil generated when the high-speed flow noise.

6, mechanical parts, bearing wear or mechanical lack of lubricating oil or loose parts, should find out why will tighten or replace parts,

Horizontal injection molding machine ensure adequate lubricating oil:

High oil temperature rising oil temperature abnormal could be cooling system is not normal or hydraulic components produce high fever caused at work.

1, the cooling system is not normal.

1) cooling system are in short supply, the water stopper is not fully open, water or water pump flow does not meet the need, etc.

2) blockage, such as filters, cooling towers, or pipe blockage.

3) cooling water temperature is too high, such as cooling tower cooling capacity is insufficient, or damage or temperature is too high.

2, the hydraulic system to produce high heat.

1) the oil pump is damaged, the internal parts in high speed rotation wear generate heat.

2) pressure regulating improper, long-term in the hydraulic system in high pressure condition and overheating.

3) hydraulic components of leakage, such as directional valve damage or seal damage to high-pressure oil flow through small space to generate heat.