FR-4 Material <Good Swarf Evacuation Condition>

	RCM, RHM, SC, and SCM type
					For Standard Flute Length		For Long Flute Length
Dia-meter	Spindle Speed [rpm]	Table Feed [m/min]	Z-axis Feed [m/min]	Depth into Backup Board [mm]	Effective Flute Length [mm]	Panels/ Stack (t1.6mm)	Effective Flute Length [mm]	Panels/ Stack (t1.6mm)
0.8	71,600	0.4	0.1	0.5-1.0	4.5	1-2	-	-
0.9	63,700	0.6
1.0	57,300	0.8					6.5	3.0
1.1	52,100	0.9
1.2	47,700	1.0			5.0
1.3	44,100
1.4	40,900	1.1
1.5	38,200		0.2		6.5	2-3	8.0
1.6	35,800	1.2
1.7	33,700
1.8	31,800
1.9	30,200		0.3	1.0-	8.0		9.5	3-4
2.0	28,600
2.1	27,300
2.2	26,000	1.25
2.3	24,900				9.5	3-4	-	-
2.4	23,900	1.3	0.2
2.5	22,900
2.6	22,000
2.7	21,200
2.8	20,500
2.9	19,800
3.0	19,100		0.1		10.0
3.1	18,500
3.175	18,000

Remark: Above parameters are for non copper layer FR-4 and it may not be suitable for copper laminated material.

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