Full name: CNC EDM wire cutting machine tool Electrical discharge wire cutting machining is referred to as "wire cutting". It uses the electrode wire (molybdenum wire, tungsten molybdenum wire, etc...
Difference between needle roller bearings and cylindrical bearings
2018-09-07
Needle roller bearings are equipped with thin and long rollers (roller diameter D≤5mm, L/D≥2.5, L is the length of the roller), so the radial structure is compact,