Opinel 官网谈及刀片研磨工艺,只说了这个: Grinding-polishing the faces was previously carried out using two different machines. Nowadays the blade is ground and polished by a dual-function grinder in fully robotized machines. That operation gives the blade a unique convex profile which ensures its strength.
就是说以前是用两台机器来做研磨与抛光,现在是在一台研抛两用的全自动机器上来做,而且搞的是凸磨。
有一个 opinel 生产过程的短片,里面没看到开 V 的画面。有人说视频里出现的下面这个画面是开 V,我觉得不是,这显然是在给刀片开锋。
The OPINEL sharpening angle is approximately 40°.
The sharpening operation is the last step in the knife manufacturing process. The blade is hand-sharpened using grindstones for which the precision in diameter is to the 1/100 mm in order to guarantee a regular cutting angle.