1 The Product introduction of Lubricant  aluminum entry sheet
The Lubricant aluminum entry sheet for PCB independently developed by our company can not only improve the accuracy of the hole position, but also can cool and lubricate the drill bit. At present, other domestic coated aluminum sheets on the market do not have this function.
Cooling, lubrication principle: The lubricating material we use is a material that is both water-soluble and hot-melt. When the drill bit heats up and touches the lubricating layer, the lubricating material can absorb heat and melt into a liquid state, and is sucked away when it flows upward along the drill bit groove. At the same time, it takes away the heat of the drill cuttings and the drill tip, which can improve the quality of the hole wall, increase the number of drilling stacks, and extend the service life of the drill tip
2 The Product structure and performance of Lubricant PCB aluminum entry sheet



The Lubricant PCB aluminum entry sheet is based on aluminum foil, and a layer of lubricating material is coated on the surface of the aluminum foil through a process. Cooling the drill bit, while protecting the bit, keeping the cutting edge of the bit always in a sharp state, and reducing the friction resistance of the drill chips in the chip flute, which is conducive to smooth chip removal. Due to the soft coating, the moment when the tiny drill bit touches, it can reduce the elastic bending deformation of the drill bit, hold the drill bit, and have a significant impact on the accuracy of the drilling position.
   
3 The Product function and advantages of Lubricant PCB aluminum entry sheet
1) Fix the drill bit to prevent the drill bit from swinging: improve the hole position accuracy, increase the number of stacked plates, and improve the drilling efficiency
2) Lubricate the drill bit and dissipate heat: improve the quality of the hole wall, reduce the roughness and burrs of the hole wall, reduce the nail head and wicking, extend the life of the drill, and reduce the broken drill;
3) Completely water soluble, easy to clean: no risk of adhesion residue.
4) Improve drilling quality and reduce drilling costs.


 
4 The Product series and functional usage of PCB Lubricant aluminum entry sheet

Product name	Product model	Product thickness		Product usage
Lubricant PCB aluminum entry sheet	CH-10030	0.13mm	AL：0.10mm	It is mainly used for small hole drilling, with cooling and lubricating effects.
			Lubricating layer：0.03mm
	CH-10060	0.16mm	AL：0.12mm
			Lubricating layer：0.04mm