PCB production line plating Equipment maintenance (Part Ⅰ)

Equipment Types In the production process of printed circuit boards, there are two main types of plating equipment, one is horizontal plating line and the other is vertical plating line. These two different types of electroplating equipment, mainly the way the board is transported, the structure of the transport board used is different, so it is slightly different for maintenance.

Daily maintenance and maintenance methods

1. Maintenance and maintenance of the tank The main difference between the vertical plating line and the horizontal plating line is that the circuit board is transported differently, and the maintenance and maintenance methods for the tank are essentially the same. 7d should be cleaned once for each washing tank, clean it once and replace its bath; check the sprinkler in the tank to see if there is any blockage, and promptly clear the blockage. For the copper plating tank, the conductive support on the tin plating tank and the contact position between the anode and the fire wire, it can be wiped with a rag and sandpaper for cleaning and cleaning; for the copper plating tank, the tin basket of the tin plating tank, and the tin basket A check, replace the rotten titanium basket bag, tin bar basket, and add copper balls, tin bars, after adding copper balls and tin bars in 7d, electrolysis should be carried out on the electroplating copper tank and the electroplating tin bath.

In 7d, high- and low-current methods are also used for trial production, so that after the newly added copper balls and tin bars are finished, the production performance is stabilized before production. The copper ball and anode bag should be cleaned once every 90. The bath is cleaned and cleaned once every 120~150 days with activated carbon. The impurities in the bath are filtered out and the tin bath is cleaned once.

2. Maintenance and maintenance of the vertical plating line vibration mechanism In the vertical plating, in order to ensure the uniformity of the surface copper and the effect of the hole copper during the plating, the board will be vibrated and oscillated, and there will be a vibration swing mechanism on the tank body.

30d should check the reducer to see if it is working properly, check its tightness; check the tightness of the vibration-mounted motor bolt; check the wear of the vibrating rubber. For the more serious wear, it should be replaced in time.

180d Check the contact condition of the power cord in the junction box, and tighten the joint loosely. The power cord that melts or ages the insulation of the wire should be replaced in time to ensure the insulation between the power cables. It is necessary to inspect all the bearings on the vibrating mechanism once, the last grease, and the bearings that are seriously worn out should be replaced in time.

3. vertical plating line maintenance and maintenance of the vertical plating line is the use of driving, hanging tools to the board. The crane and the hanger should be cleaned once a week (the vehicle and the hanger are not disassembled), so that the appearance is kept clean and tidy. When cleaning, use a rag to clean it and sand it with sandpaper. 30d Perform a check on the hanger to check the damage of the hanger; perform a check and maintenance on the motor and reducer of the driving, and check the entire transmission to ensure its normal operation. 180d In-depth cleaning and maintenance of the driving and hanging tools, the hanging tools should be removed from the driving for cleaning.

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