1. Purpose

 

Determine the chemical corrosion machine operation process and ensure product quality.

 

2. area

 

Suitable for chemical corrosion machines

 

3, the process

 

Feeding→corrosion→cleaning→quality inspection→de-inking→cleaning→drying→quality inspection

 

4, the use of equipment

 

Chemical corrosion machine

 

5, the process

 

5.1 chemical corrosion machine series boot sequence

 

Open the corrosion machine main gate → conveying → temperature control → corrosion spray → water spray washing → open the ink return part of the main gate → water spray washing → blast → heating → discharge

 

*Note: The upper and lower ball valves should be opened for the double panel. If it is a single panel, the switching of the filter ball valve should be noted. If only one ball valve is required, the other ball valve should be closed.

 

5.2 When opening the main gate, it is necessary to ensure that the liquid has reached the standard liquid level of the water tank, and then turn on the corrosion switch of the corrosion machine to heat the corrosive liquid. The setting temperature of the corrosive liquid is between 45 ° C and 48 ° C. Turn on the drying button to open the blast and The heating switch is preheated and the dry plate temperature is set to 55 °C.

 

5.3 Check the corrosion machine nozzles, whether there are any missing or blocked nozzles. If there is any blockage, unscrew the nozzles to clean the blockages.

 

5.4 Discharge the water tank to prepare the sodium hydroxide solution, the feed and discharge workers work with quality gloves, and wear waterproof rubber gloves when adding the medicine.

 

5.5 After the production is completed, turn off the switches once in the reverse order of the power-on, and do not directly close the main gate to avoid the failure caused by the next startup.

 

6, matters needing attention

 

6.1 Workers must wear gloves as required, take the board with both hands when using the board, avoid touching the graphic lines with your fingers,

 

Pay attention to the horizontal position of the workpiece. There is no drag, pull, bump or collision between the workpieces to avoid injury and pattern. Especially for the single panel of the screen printing ink circuit, please pay attention to it. (Note: The single panel of the ink line is produced. After the good, the room temperature must be guaranteed. Leave it under 4 hours to allow the ink to fully cure).

 

6.2 When feeding the material, the board shall be placed at an angle of 30-45 degrees on the conveying shaft, and the board spacing shall not be less than 30 mm.

 

There is a stacking phenomenon, and the board must not exceed the conveying range. Always pay attention to whether there is a collision, the phenomenon of the card machine, once the shutdown process is completed, the production can continue.

 

6.3 Before production, first test a corrosion to the first inspection corrosion effect, to corrode clean, no serious side corrosion, over-corrosion is appropriate

 

If the ink is found to be abnormal, the production will be stopped immediately, and the board of the supervisory, dense and dense line will be reported. The line after corrosion shall be compared with the production line to ensure that the error is within the allowable range.

 

6.4 According to the corrosion effect of the first board, adjust the corrosion transmission speed to ensure the best condition, and always judge the side erosion.

 

6.5 Employees found that the ink was not exhausted, picking out the ink immediately.

 

6.7 When the plate is ground, the plate pressure is 1.8-2.2 kg/cm2.

 

6.8 The finished product must be dry and the stack should be neat and orderly.

 

6.9 In the use of a new type of environmentally friendly corrosive liquid, 120L of mother liquor is added each time the medicine is added, and 120L of liquid is added.

 

7, maintenance

 

7.1 Set maintenance card, regular cleaning equipment

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