CNC Bits Logs/Box 4

Material

solid carbide, TiN coated

Shank diameter

3.17mm (1/8 inch)

Cutting side diameter

0.5mm

Cutting side length

~2.8mm

Total Length

38mm

Quantity

10pcs (5 came Dead-On-Arrival)

Bit # 1

DOA

Bit # 2

DOA

Bit # 3

DOA

Bit # 4

DOA

Bit # 5

DOA

Bit # 6

Broke

Bit # 7

Day dd/mm/yyyy	Material used	Object Shape	Feed (m/min)	Step-down (mm)	Spindle (RPS/Hz)	Duration (minutes)	Comment
02/11/2017	5083 Aluminium	reticle (flat+hole+cut)	0.05	0.025	350	500	Clean cuts, minimal ca. 0.05mm offset when changing cut direction.

Bit # 8

Day dd/mm/yyyy	Material used	Object Shape	Feed (m/min)	Step-down (mm)	Spindle (RPS/Hz)	Duration (minutes)	Comment
02/07/2018	FR4 PCB	LCD-2-Ribbon	0.05	0.2	350	50	Clean cuts at the beginning, frizzy at the end.

Bit # 9

Day dd/mm/yyyy	Material used	Object Shape	Feed (m/min)	Step-down (mm)	Spindle (RPS/Hz)	Duration (minutes)	Comment
12/02/2019	FR4 PCB	IGBT Box PCB	0.050	0.2	350	22	Very clean tracks with minimal sanding. (No oil used.)