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At the end of the dispenser dispensing operation, the remaining glue used must be properly stored before it can be put into production.
1) The removed adhesive should be stored in a dry and cool place and cannot be in contact with high-temperature objects, so that the quality of glue can be ensured when the glue is used again;
2) The glue used in the dispenser cannot be stored arbitrarily, and there should be a specific storage location to avoid the harm of poorly handled glue and prevent misuse by non-staff.
3) After the dispensing machine is used for some glues with hazardous gases, special treatment is required to avoid the pollution of the air in the working environment and affect the health of the operator.
4) If you need to store a special glue, it needs to be treated before it can be used for normal storage.
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It depends on what kind of glue you're using. For example, silica gel, this general dispensing machine has a valve and a glue device, and it does not need to be cleaned after use, and it will be used again next time, but if it is not used for a long time, it needs to be cleaned out and cleaned with alcohol. 502 quick-drying adhesive is glued with Teflon tube, this tube quick-drying adhesive will not dry inside, and it does not need to be cleaned, only need to cut off the beginning part with scissors next time you use it to continue to use.
However, some glues need to be refrigerated, and this type of glue and other dispenser operations are completed, and they have to be taken out and refrigerated for preservation. Therefore, how to deal with glue depends on what type of glue you have.
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1. Check whether the automatic dispensing machine is clean, water vapor and other problems that directly affect the normal operation of the machine before starting.
2. It is not allowed to touch the dispensing head, needle nozzle, guide chain and other moving parts under the working state to prevent pinching accidents.
3. If you find a special situation, you can press the red emergency button in front of the fuselage to stop the machine immediately.
4. When the equipment needs to be moved, the gas path and power supply must be cut off before it can be carried out.
5. Don't pile too many things next to the machine to avoid improper operation.
6. It is necessary to wear gloves during operation, and try not to expose the **, so as not to get the glue on the body and have bad factors.
7. When operating the glue, you should have an understanding of the glue, the use of the situation, how to use it normally, so that it can be operated normally.
8. Regularly test the safety performance of the automatic dispensing machine.
9. Don't put anything on the workbench and keep it clean.
10. In the case of non-use for a long time, cut off the power supply.
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1. Turn on the main air source of the equipment and turn on the machine according to the menu prompts.
2. Take the Qianda PU dispenser as an example, first switch the equipment to manual mode, and open the air source and material pipe valve of the equipment feeding system.
3. Return to the setting menu, press SETUP to check and confirm whether the automatic debinding is in the "off" state.
4. Discharge the glue in the manual state, confirm the status of the glue and the flow rate is normal, and install the mixing pipe.
5. Shutdown process: turn off the automatic debinding, switch to manual mode, open the equipment door, and remove the mixing tube.
6. Manual debinding until the debinding is smooth and the glue phase flowing out of the 3 airs is not mixed, wipe the tube head with a cleaning cloth, and plug the hose discharge at the congested head.
7. Press the emergency stop, turn off the power, and clean up the internal hygiene; Close the main air source of the equipment and the air source and material pipe valve of the glue supply system.
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Please elaborate on your dispensing requirements, what kind of glue you use, what kind of dispenser you are currently using, and this has nothing to do with the size of the dispenser.
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1. The setting of the dispensing time of the dispensing machine The amount of dispensing should be half of the product spacing, so that there is enough dispensing amount to paste the components and avoid excessive glue seeping. The amount of glue output of the automatic dispensing machine can be controlled by adjusting the dispensing time, and the dispensing setting time can be set according to the environmental conditions (workshop temperature, viscosity of glue, dispensing speed, etc.) in actual production work.
2. The pressure of the dispensing machine is set by the automatic dispensing machine controller to provide the pressure to the hose and needle, and the pressure determines the amount of glue and the speed of dispensing. If the pressure is weak, uneven dispensing and leakage will occur, which will affect product quality problems. In actual production, the pressure should be set according to the viscosity of the glue, the environment of the production workshop, and the temperature, and the temperature is too low, which will increase the viscosity of the glue and make the fluidity worse, and the pressure value needs to be increased at this time, and vice versa.
3. The size of the needle of the dispensing machine In real production, the diameter inside the needle should be the same as the radius of the glue dot, in the dispensing work, the dispensing needle can be selected according to the size of the product, and the appropriate needle should be selected for products of different sizes, which can be conducive to the automatic dispensing machine for dispensing operation, without the problem of glue dots, and the height of the dispensing needle to the circuit board and the inner diameter of the needle are the most important parameters.
The minimum dispensing volume of the automatic dispensing machine is less than milliliters, and the minimum inner diameter of the needle of stainless steel is millimeters. Needle minimum inner diameter mm. The automatic dispensing machine has a special needle inner diameter of up to millimeters.
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Dispensing machines. At work. What is the problem that the dispensing head will fall off.
When the dispenser is working, if the dispensing head will fall off, it may be caused by the following problems:1Dispensing head is not installed correctly:
Make sure the dispensing head is properly installed on the dispenser and that the set screws are tightened. 2.The dispensing head is too loose:
Please check that the dispensing head is not loose, and if so, tighten it with an appropriate tool. 3.Solenoid valve failure:
The solenoid valve is one of the control elements of the dispensing head. If the solenoid valve fails, it will affect the stability of the dispensing head. Please check the power supply, connection status and working condition of the solenoid valve to ensure that the solenoid valve is working properly.
4.Unstable air pressure of the dispenser: If the air pressure of the dispenser is unstable, it will cause the dispensing head to fall, you can check the air pressure regulator and the air pipe connection of the dispenser to ensure that the pressure of the air chamber is stable.
If none of the above methods solve the problem, you may need to contact after-sales service or maintenance personnel for repair and maintenance. It is recommended to read the relevant instruction manual before using the dispenser to understand how to properly operate and maintain the device.
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Dispensing machines. At work. What is the problem that the dispensing head will fall off.
Hello dear, happy to answer for you. If the dispensing head will fall off during the working process of the dispensing machine, it may be caused by the following reasons:1
The dispensing head is not securely installed. Check whether the dispensing head is tight. If the dispensing head is not properly installed, it can be reinstalled and made sure it is fastened.
2.Barometric pressure problems. Check if the air pressure of the dispenser is normal.
If the air pressure is insufficient, the dismantling head may fall off. The compressed air duct can be inspected for blockages or leaks, or the compressed air pressure can be increased. 3.
The dispensing head is worn. If the dispensing head is used for a long time, it may wear out or be damaged, causing it to fall. It is recommended to replace the dispensing head regularly.
4.The dispenser is running too fast. If the dispenser is running too fast, the dispensing head may not be able to follow the motion and slip off the stand.
Dispenser speeds can be reduced to avoid this from happening. 5.Dispensing head design issues.
If the dispensing head is not properly designed, it may cause it to fall. Consider replacing the dispensing head with a more stable and reliable dispensing head. It should be noted that the dispenser should be regularly inspected and maintained during its working process to ensure its normal operation.
If the problem persists, it is recommended to contact the dispenser manufacturer or relevant technicians to get a better solution.
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