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Important measures for prevention and control of injection molding processing waste gas hazard and the performance of the poisoning
by：CSSSLD
2021-01-23
Injection molding processing waste gas hazard prevention and control of the important performance measures and poisoning
a, injection molding processing waste gas hazard prevention and control of one of the important measures, strict control of injection molding processing technology. According to the material properties using the appropriate injection conditions, reduce unnecessary gas release, both is advantageous to the injection production, can also help reduce the harmful gases. Two independent separation, injection molding workshop. Separate the injection molding process and the process, to avoid unnecessary gas pollution. 3, install waste gas processing system. Ensure injection workshop ventilated breathe freely, equipped with exhaust gas discharge system, the exhaust gas concentration diversion and exhaust gas tank for disposal, reduce exhaust gas injection personnel contact probability. 4, regular physical examination. Injection molding processing and employment should be examined regularly, is clear about whether the indicators in a safe state, if there are any obvious problems, respiratory system, cardiovascular system and involve the patient situation such as liver, kidney, should work in the injection molding operation, should be timely relieve guard and relevant treatment. Two injection tooling, injection molding processing waste gas poisoning the general performance of exhaust gas poisoning is divided into two cases of acute poisoning and chronic poisoning: acute poisoning: short time a large number of toxic gases, such as acrylonitrile monomers, associated with upper respiratory and eye irritation, limbs occurs serious paroxysmal stiffness convulsions and coma. Chronic poisoning: chronic poisoning usually there is no obvious symptoms, but accept the harmful gas for a long time, can appear giddy, fatigue, anxiety, and with much dream, sleep instability and other debilitating symptoms.
injection tooling mould repair easily neglected problems
1. Check after injection molding processing work guide pillar and guide suites for signs of wear -
to find whether there is damage or scratch marks, the wear is due to lack of lubrication. If the mark is just emerging, you can also pass to guide pillar and guide bush lubrication to prolong its life. If the wear is very serious, it's time to replace the new parts. Otherwise, the mold cavity and core parts may not fit well, different parts in the cavity wall thick. 2. Check injection tooling mold flow condition in water outlet connecting a hose, let the water through the pipe until the pail. If the flow of water is not clear or colored might have rust occurs, the current weak means somewhere jam. If it is found that these problems will all pipe drill wear again, to ensure smooth
( Or take you commonly used any method to clean) 。 Improve the plant water treatment system can prevent the recurrence of future caused by rust and blocking all kinds of problems. 3. Cleaning thimble - after a year's time, thimble will due to hoarding and membrane gas impurities become very dirty. Recommended every six to twelve months to get a good cleaning with mold cleaning agents. After cleaned, coated with a layer of lubricant to prevent scratches on thimble or fracture. 4. See hot mouth filling and the radius of the fractures in the area to see if there is
- fractures by residual heat in the machine's mouth loose hardens when pieces of plastic injection molding forward from injection plastic cylinder clamping force caused by the component. The cause of the problem may be in the
heart line not aligned. When found fracture want to consider these two possibilities. If all the damage has been too serious to prevent petals leakage ( Injection moulds users previously used a term: refers to between the guide sleeve and hot mouth of the machine of plastic leaks) , you should replace gate set.
a, injection molding processing waste gas hazard prevention and control of one of the important measures, strict control of injection molding processing technology. According to the material properties using the appropriate injection conditions, reduce unnecessary gas release, both is advantageous to the injection production, can also help reduce the harmful gases. Two independent separation, injection molding workshop. Separate the injection molding process and the process, to avoid unnecessary gas pollution. 3, install waste gas processing system. Ensure injection workshop ventilated breathe freely, equipped with exhaust gas discharge system, the exhaust gas concentration diversion and exhaust gas tank for disposal, reduce exhaust gas injection personnel contact probability. 4, regular physical examination. Injection molding processing and employment should be examined regularly, is clear about whether the indicators in a safe state, if there are any obvious problems, respiratory system, cardiovascular system and involve the patient situation such as liver, kidney, should work in the injection molding operation, should be timely relieve guard and relevant treatment. Two injection tooling, injection molding processing waste gas poisoning the general performance of exhaust gas poisoning is divided into two cases of acute poisoning and chronic poisoning: acute poisoning: short time a large number of toxic gases, such as acrylonitrile monomers, associated with upper respiratory and eye irritation, limbs occurs serious paroxysmal stiffness convulsions and coma. Chronic poisoning: chronic poisoning usually there is no obvious symptoms, but accept the harmful gas for a long time, can appear giddy, fatigue, anxiety, and with much dream, sleep instability and other debilitating symptoms.
injection tooling mould repair easily neglected problems
1. Check after injection molding processing work guide pillar and guide suites for signs of wear -
to find whether there is damage or scratch marks, the wear is due to lack of lubrication. If the mark is just emerging, you can also pass to guide pillar and guide bush lubrication to prolong its life. If the wear is very serious, it's time to replace the new parts. Otherwise, the mold cavity and core parts may not fit well, different parts in the cavity wall thick. 2. Check injection tooling mold flow condition in water outlet connecting a hose, let the water through the pipe until the pail. If the flow of water is not clear or colored might have rust occurs, the current weak means somewhere jam. If it is found that these problems will all pipe drill wear again, to ensure smooth
( Or take you commonly used any method to clean) 。 Improve the plant water treatment system can prevent the recurrence of future caused by rust and blocking all kinds of problems. 3. Cleaning thimble - after a year's time, thimble will due to hoarding and membrane gas impurities become very dirty. Recommended every six to twelve months to get a good cleaning with mold cleaning agents. After cleaned, coated with a layer of lubricant to prevent scratches on thimble or fracture. 4. See hot mouth filling and the radius of the fractures in the area to see if there is
- fractures by residual heat in the machine's mouth loose hardens when pieces of plastic injection molding forward from injection plastic cylinder clamping force caused by the component. The cause of the problem may be in the
heart line not aligned. When found fracture want to consider these two possibilities. If all the damage has been too serious to prevent petals leakage ( Injection moulds users previously used a term: refers to between the guide sleeve and hot mouth of the machine of plastic leaks) , you should replace gate set.
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