Safety precautions for daily operation of PUR hot melt adhesive machine
1. Avoid using polyurethane PUR hot melt adhesives around volatile and explosive materials or gases. Flammable and explosive items cannot be stored around the PUR hot melt adhesive spraying equipment.
2. Do not operate the hot-melt adhesive machine without suitable protection devices, and with good insulators or well-protected panels.
3. When pur hot melt adhesive machine needs to be repaired, it must be professionally trained to disassemble the machine for maintenance.
4. When the ambient temperature is lower than -20 ℃ or the ambient temperature is higher than 80 ℃, the PUR polyurethane hot melt adhesive machine cannot be used.
5. When using pur polyurethane hot melt adhesive machine, there should be no fast flowing air. When the PUR glue barrel and melt pressure plate used by the PUR hot melt glue machine are exposed to the fast circulating air, the rapid cooling will affect the hot melt glue flow of the PUR hot melt glue machine and waste energy.
6. When replenishing PUR hot-melt adhesive, check whether the PUR hot-melt adhesive barrel is deformed. The PUR polyurethane hot-melt adhesive barrel with severe deformation should be discarded to avoid damage to the PUR hot-melt adhesive machine pressure plate.
7. Whenever disassembling the PUR polyurethane hot melt adhesive machine hose or glue spray gun, silicone oil must be used immediately to seal the pur pur melt adhesive that may be exposed to avoid moisture reaction and curing.
8. When the PUR polyurethane hot melt adhesive machine is not used for a long time, the circumference of the heating platen of the PUR polyurethane hot melt adhesive machine should be sealed with silicone oil to ensure the performance of the PUR hot melt adhesive in the rubber barrel. [next]
Safety precautions during installation of PUR hot melt adhesive machine
1. When installing the pressure plate type PUR hot melt adhesive machine, an effective grounding wire must be correctly connected. Any equipment that uses high voltage electricity needs to have a ground wire. When the ground wire is not used, any PUR polyurethane hot melt adhesive machine with an insulator-protected component may still form a voltage conductor, causing the risk of electric shock.
2. According to the load required by the PUR polyurethane hot melt adhesive machine and its attached peripheral equipment, check whether the power cord and insulation protection used meet the requirements. The load of the wire must be higher than the rated power of the PUR hot melt adhesive machine by 3% More than ten.
3. Make sure that the voltage applied to the PUR polyurethane hot melt adhesive machine is in accordance with the provisions of the hot melt adhesive machine. Generally, the 5 gallon PUR polyurethane hot melt adhesive machine uses a single-phase 220v AC voltage standard, 55 gallon wet reaction type The polyurethane hot melt adhesive machine uses 380V AC power supply. When the voltage used is too high or too low, the design performance of the equipment cannot be achieved, and the hot melt adhesive machine may be damaged. Make sure that the power cord is correctly connected to the correct voltage power supply when wiring on.
4. Make sure that the PUR hot melt adhesive machine operates at the specified voltage. If the voltage used is different from the specified standard power supply, the hot melt adhesive machine may be burned.
5. The PUR hot melt adhesive machine needs to be operated by a professional electrician to connect the power supply. The power supply with polarities must not be reversed, and the connection point needs to be fixed with special terminals. [next]
Points to note when using PUR hot melt adhesive machine
1. When installing and using the PUR hot melt adhesive machine, do not place other debris on the body or use it as a heightening appliance.
2. The use environment of the PUR hot melt adhesive machine should be kept clean, and there should be no unmelted solids, impurities, iron filings, screws, wire tips, hard sharp objects and other solid objects on the pressure plate of the PUR adhesive machine.
3. When moving or lifting the polyurethane hot melt adhesive machine, only its base is allowed to be used as a carrying point, and it is not allowed to use the travel cylinder of the PUR hot melt adhesive machine, the electrical box door, the electrical components on the control panel, or the heat pipe hose. Lifting the hot melt adhesive machine as an aid, abnormal handling will damage the PUR hot melt adhesive spraying equipment.
4. When moving or transporting the PUR hot melt adhesive machine, the power supply must be cut off first, so that the glue in the pressure plate of the PUR hot melt adhesive machine and the glue barrel can be moved.
5. The PUR hot melt adhesive machine must always maintain the vertical position of the PUR hot melt adhesive machine during transportation and handling. If tilted or transported, it will damage the positioning accuracy of the PUR hot melt adhesive machine and may also damage the PUR hot melt adhesive machine. [next]
General safety precautions for the use of hot melt adhesives and solvents
1. PUR polyurethane hot melt adhesive
When using high-temperature PUR polyurethane hot-melt adhesives, pay attention to the following items:
a. Hot-melt adhesive can quickly solidify into solid at high temperature in liquid state. Even if it solidifies into solid state for a period of time, it still carries high temperature. Once it touches human skin, it will cause serious injury.
b. When working near the PUR moisture-reactive polyurethane hot melt adhesive machine or when installing the PUR hot melt adhesive bucket, be sure to pay attention to whether you are wearing safe work clothes, whether you are wearing gloves and goggles.
2. Heat cleaning solvent
a. When using heating solvents to clean the components with viscose, do not use them for heating and cleaning with fireworks or equipment without temperature control. Generally, the PUR moisture-reactive polyurethane hot melt adhesive machine cannot operate 280 during cleaning and maintenance. degree.
b. Do not use the solvent used to remove the paint to clean the sticky components, because these solvents have high volatility, are easy to burn and explode, and will produce toxic gases at high temperatures, and it is easy to damage the PUR hot melt adhesive machine. Teflon coating on heating platen.
c. Before using the cleaning solvent, you must check whether the indoor air circulation is good, avoid the use of open flames, and do not clean the PUR hot melt adhesive machine in an environment with no air circulation.
d. Try to avoid the use of cleaning flux for a long time to clean the work of the PUR moisture-reactive hot melt adhesive machine, so as not to inhale too many potentially harmful gases generated under high temperature.
Special considerations when using PUR hot melt adhesive machine
If the skin is scalded by high temperature liquid PUR hot melt adhesive during the use of the PUR hot melt adhesive machine, please do not try to wipe the PUR hot melt adhesive from the skin, and at the same time soak or rinse the injured area in a clean and cold In water, until the PUR hot melt adhesive on the skin is completely cooled. Do not try to peel the hot melt adhesive off the skin surface. Cover the burned area with clean, damp gauze. If the injury is serious, or the area sprayed by the hot melt adhesive is wide, it may cause injury or death or the area of ​​the injury may become inflamed. You must keep the body temperature of the injured person in a normal state and then send the injured person immediately hospital. Therefore, always pay attention to safety when using PUR polyurethane hot melt adhesive machine.
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Q:If the shipment is damaged ?
A:
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