Chen Rong of Wuxi Ultrasonic (Xu Wei) 
 First, the solar brass work principle of pulling hole 
 Solar is the use of brass pull hole machine principle of ultrasonic metal welding, the high-frequency electrical energy through the transducer device to convert mechanical vibrations acting on the copper pipe, and then put pressure on, when a large enough current through the board at a large amount of contact resistance heat, the hottest region of the center quickly heated to high metal or molten plastic, the middle will be showing a hollow round punch to achieve results. 

 Second, solar energy welding machine features brass pull holes 
 ☆ PLC programmable microcomputer control system, man-machine interface window to adjust the machine operation parameters; 
 ☆ 22 for specifications, such as copper diameter hole profiles injections, precision drilling, easy to operate; 
 ☆ push the hole / pull shoulder / flange of the time to complete, and can be automated, efficient; 
 ☆ different requirements depending on the product can replace a variety of drill diameter, more suitable for the production, improve enterprise efficiency. 

 Third, the solar application of brass pull hole machine 
 Solar brass pull hole machine (also known as brass flange drilling machines, CNC machines and brass brass pull automatic hole reaming machine) mainly used in the perforated copper and brass can be retrofitted to pull through the hole machine welding solar collector panels. 

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