Needle GrinderA world leader in grinding technology, MicroGroup, part of TE Connectivity offers all four processes essential to satisfy the most simple to the most unusual grinding requirement with extreme precision and speed. The chart below outlines the main differences between Electro Chemical, Centerless and CNC Grinding. For details select a process from the menu immediately below.

Grind Process Characteristics
Electro Chemical Grinding Very tight tolerances, limited contact, excellent for small intricate parts and thin walls, can create edge breaks
Centerless Grinding Mechanical method to grind the OD creating a better surface, tight tolerances on OD, resizing of tubing
CNC Needle Grinding Typically done with CNC, various standard and custom geometries