The shoving heat sink is produced by shoveling technology. Now the height of shoveling fin can reach 130mm according to the production standard of Wenxuan thermal energy. The height of the fin is affected by two factors: one is limited by the fin scraping process and the machine tool; the other is affected by the profile material, because the material required for the fin scraping radiator is relatively soft, in particular, the fin reached a height, will be easy to deformation.