Tag
#machining
2 topics across all disciplines.
Surface finish and texture
What Ra actually measures and what it hides, why Rz and the bearing ratio curve matter on sealing and sliding faces, how lay affects leakage, and what each process realistically achieves.
Machining processes
Turning, milling, drilling, boring, grinding and broaching — what each is good at, how cutting speed and feed decide tool life and finish, and why chatter, work hardening and burrs cause more scrap than accuracy ever does.