1 Product introduction of Coated PCB aluminum entry sheet

The Coated PCB aluminum entry sheet independently developed by our company can effectively improve the accuracy of the hole position, reduce the wear and thickness of the drill bit; reduce the broken needle rate; reduce the drilling path of the drill bit, improve the production efficiency and the life of the drill bit; according to domestic and foreign customers The needs of different product structures are tailored to meet the diverse needs of customers; the high recycling value can effectively save customers' costs.
 
2 Resin coated aluminum entry sheet

1) The Product structure: resin coating, aluminum substrate
 
2) The Product advantages of Resin coated aluminum entry sheet:
The soft characteristic of A resin layer makes the drill pin stabilize and position at the moment of contact with the drill, reducing slippage,
B. At the same time, the thicker coating forms the casing effect and reduces the deflection, so that the drill bit can be drilled "straight" , so as to improve the accuracy of the hole position and reduce the broken needle.
 
3) The Applicable environment of Resin coated aluminum entry sheet for PCB:
A: Suitable for 0.075-0.30mm tiny drill bits;
B: Effectively improve hole position accuracy, reduce drill pin wear and hole thickness; reduce needle breakage rate;
C: Recommended for high multi-layer boards, high reliability boards and to increase the number of drilling stacks (need to match the effective blade length of the drill bit);
D: Convenient storage, just keep at room temperature.
 


4)The Product specifications of Resin coated aluminum entry sheet:

Coating thickness	Aluminum sheet thickness	Total thickness	Standard sizes
0.06mm±10%	0.13mm±10%	0.19mm±10%	940mm x 1244mm; 1041mm x 1244mm; 1092mm x1244mm;
0.04mm±10%	0.10mm±10%	0.14mm±10%
0.05mm±10%	0.05mm±10%	0.10mm±10%

 
3 High performance resin coated aluminum entry sheet
1) The product structure of High performance resin coated aluminum entry sheet: composed of special resin layers and aluminum sheets.
 
2) The Product advantages of High performance resin coated aluminum entry sheet:
A: The surface flatness and hardness of the product are improved to prevent the aluminum from being exposed due to scratching, which is more conducive to cutting;
B: Strong product binding force;
C: The overall thickness is thinner, which reduces the drilling path of the drill bit and improves the production efficiency and the life of the drill bit;
D: High recycling value, which can effectively save costs;
E: Unique margin design, easy to operate and save time.
 
3) The Applicable environment of High performance resin coated aluminum entry sheet:
A: Suitable for drill bits with a diameter of 0.4-6.35mm;
B: It can be customized according to the needs of customers' different product structures to meet the diverse needs of customers;
C: Replace the traditional back drilling cold punching plate + aluminum sheet production process.
 
4) The Product specifications of High performance resin coated PCB aluminum entry sheet:

Coating thickness	Aluminum sheet thickness	Total thickness	Standard sizes
0.03mm±10%	0.16mm±10%	0.19mm±10%	940mm x 1244mm; 1041mm x 1244mm; 1092mm x1244mm;
0.03mm±10%	0.12mm±10%	0.15mm±10%

 
4 White coated aluminum entry sheet
1) Product structure of White coated aluminum entry sheet: mainly composed of white coating and aluminum sheet.
 
2) The Product advantages of White coated aluminum entry sheet:
A: The surface flatness and hardness of the product are improved to prevent the aluminum from being exposed due to scratching, which is more conducive to cutting;
B: Strong product binding force;
C: The overall thickness is thinner, which reduces the drilling path of the drill bit and improves the production efficiency and the life of the drill bit;
D: High recycling value, which can effectively save costs.
 
3) The Applicable environment of White coated aluminum entry sheet:
A: Suitable for drill bits with a diameter of 0.4-6.35mm;
B: It can be customized according to the needs of customers' different product structures to meet the diverse needs of customers;
C: Replace the traditional back drilling cold punching plate + aluminum sheet production process.
 
4)The Product specifications of White coated aluminum entry sheet:

Coating thickness	Aluminum sheet thickness	Total thickness	Standard sizes
0.02mm±10%	0.12mm±10%	0.14mm±10%	940mm x 1244mm; 1041mm x 1244mm; 1092mm x1244mm;

 
5 Lamination PCB aluminum entry sheet

1) Product structure of Lamination PCB aluminum entry sheet: mainly composed of buffer lubricating layer material and aluminum base material.
 
2) The Product advantages of Lamination PCB aluminum entry sheet:
A: Effectively reduce drill needle wear and needle breakage rate;
B: Improve hole position accuracy;
C: Improve the quality of the hole wall.
 
3)The Applicable environment of Lamination PCB aluminum entry sheet:
A: Mainly for 0.20-0.35mm drill bits;
B: Suitable for high multi-layer boards and difficult-to-process boards.
 
4)The Product specifications of Lamination PCB aluminum entry sheet:

Coating thickness	Aluminum sheet thickness	Total thickness	Standard sizes
0.05mm±10%	0.15mm±10%	0.20mm±10%	Max width 620mm
0.05mm±10%	0.13mm±10%	0.18mm±10%
0.05mm±10%	0.10mm±10%	0.15mm±10%
0.05mm±10%	0.07mm±10%	0.12mm±10%

 


6 High-performance coated composited PCB aluminum entry sheet

1) Product structure: It is composed of special resin layer, imported wood fiber, special glue layer and aluminum sheet.
 
2) The Product advantages of High-performance coated composited PCB aluminum entry sheet:
A: The patented wood fiber layer structure can effectively clean the entanglement of the drill needle during the back drilling process, solve the very headache entanglement problem during the back drilling process (especially deep back drilling), and greatly improve the drill needle Longevity, reduce unexpected downtime;
B: The softness of the resin layer increases the guiding effect of the drill needle, improves the hole position accuracy and depth control accuracy of the back drill, and can effectively accelerate the drilling speed. Compared with similar products on the market, the drilling speed can be increased by more than 50% without affecting the drilling accuracy;
C: The special glue developed in cooperation with the university laboratory can avoid wire wrapping and adhesion during the drilling process and effectively ensure the quality of the hole wall;
D: Unique edge-retaining design, convenient operation and time saving.
 
3) The Applicable environment of High-performance coated composited PCB aluminum entry sheet:
A: Focus on drilling processing for 5G back drill products;
B: Suitable for back drilling of different depths;
C: Effectively improve the entanglement problem in the process of traditional deep back drilling.
 
4)The Product specifications of High-performance coated composited PCB aluminum entry sheet:
 

Coating thickness	Aluminum sheet thickness	Total thickness	Standard sizes
0.33mm±10%	0.13mm±10%	0.46mm±10%	940mm x 1244mm; 1041mm x 1244mm; 1092mm x1244mm;