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HARVI™ IV • Radiused • 8 Flutes • Internal Coolant • Safe-LockTM Shank • Metric

Name: HARVI™ IV • Radiused • 8 Flutes • Internal Coolant • Safe-LockTM Shank • Metric
SKU: 106359468
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Proprietary core and flute design with optimum flute spacing for perfect chip formation and highest tool rigidity.

Developed for highest productivity in titanium, high-temperature alloys, and stainless steels.

Angle of engagement (phi°) relative to cutting width (Ae)
ae	2%	5%	7.50%	10%	15%	20%	30%	40%	50%	100%
phi - angle of engagement	16.26	25.84	31.79	36.87	45.57	53.13	66.42	78.46	90	180

Adjustment factors for speed (Vc) and feed (Fz) • METRIC
Maximum cutting width (Ae) for given cutting depth (Ap)
Ap	≤.125 x D1	>.125xD1 ≤ .5xD1	>.5xD1 ≤ 1xD1	>1xD1 ≤ 2xD1	>2xD1 ≤ 3xD1	>3xD1 ≤ 4xD1	>4 x D1
Max Ae	100% x D1	50% x D1 x KAp	40% x D1 x KAp	30% x D1 x KAp	20% x D1 x KAp	15% x D1 x KAp	10% x D1 x KAp
Note: KAp value is given on the Speed and Feed table, according to the type of workpiece material selected.

Adjustment factors for speed (Vc) and feed (Fz) • METRIC
Ae/D1	≤2%	>2% ≤ 5%	>5 ≤ 7.5%	>7.5% ≤ 10%	>10% ≤ 15%	>15% ≤ 20%	>20% ≤ 30%	>30% ≤ 40%	>40% ≤ 50%	>50% ≤ 100%
Kv	3	2.5	1.9	1.4	1.35	1.3	1.2	1.1	1	0.9
KFz	3.28	2.3	1.95	1.7	1.5	1.25	1.09	1.02	1	1
Note: Identify the radial engagement per percentage of the tool diameter (Ae/D1). That column will give you the factor to multiply the Base SMF and Base IPT on the Speed and Feed original table Kv = Factor to multiply the Speed by KFz = Factor to multiply the Feed by
To calculate application specific cutting data, please use KAp, Kv, and Kfz from tables above for adaption of cutting speeds and feeds respectively: Maximum Ae=(Ap1Max/D1) * KAp * D1 Vc new = Vc * Kv IPT new = IPT * KFz				Sample Calculation Material: S4 D1: 25 mm Ap: 2xD1 Max Ae: 30% x KAp x D1 --- 30% * 0.7 * D1 = 21%xD1 SFM: Base x Kv --- 45 * 1.2 = 54 IPT: Base x KFz --- 0.081 * 1.09 = 0.088				Final cutting data recommendation: Max Ae = 0.3 * 0.7 * 25 = 5.25 mm Vc new = 45 * 1.2 = 54 m/min IPT new = 0.081 * 1.09 = 0.088 mm/th

Table for Feed and Speed Calculation with Adjustment Factor • METRIC
		Side Milling (A)	KCSM15A	Recommended feed per tooth (fz=mm/th) for side milling
Material Group		Max Ae Factor (KAp)	Base Cutting Speed Vc (m/min)	10	12	16	20	25
P	3	1	130	0.049	0.055	0.067	0.080	0.095
	4	1	100	0.044	0.049	0.059	0.069	0.081
	5	0.8	65	0.038	0.043	0.053	0.063	0.076
	6	0.7	50	0.032	0.036	0.043	0.050	0.060
M	1	1	80	0.049	0.055	0.067	0.080	0.095
	2	0.8	60	0.038	0.043	0.053	0.063	0.076
	3	0.8	60	0.032	0.036	0.043	0.050	0.060
S	1	0.5	50	0.049	0.055	0.067	0.080	0.095
	2	0.5	30	0.038	0.043	0.053	0.063	0.076
	3	0.5	25	0.026	0.030	0.036	0.043	0.051
	4	0.7	45	0.041	0.051	0.061	0.069	0.081
H	1	0.8	80	0.044	0.049	0.059	0.069	0.081
	2	0.5	70	0.037	0.041	0.050	0.059	0.070
These guidelines may require variations to achieve optimum results. Above parameters are based on ideal conditions. For smaller taper machining centers, please adjust parameters accordingly on 12mm diameter. Maximum ramp angle is 2°. Tools with chip splitters can be used as finishers.

Adjustment factors for speed (Vc) and feed (Fz) • INCH
Ae/D1	≤2%	>2% ≤ 5%	>5 ≤ 7.5%	>7.5% ≤ 10%	>10% ≤ 15%	>15% ≤ 20%	>20% ≤ 30%	>30% ≤ 40%	>40% ≤ 50%	>50% ≤ 100%
Kv	3	2.5	1.9	1.4	1.35	1.3	1.2	1.1	1	0.9
KFz	3.28	2.3	1.95	1.7	1.5	1.25	1.09	1.02	1	1
Note: Identify the radial engagement per percentage of the tool diameter (Ae/D1). That column will give you the factor to multiply the Base SMF and Base IPT on the Speed and Feed original table Kv = Factor to multiply the Speed by KFz = Factor to multiply the Feed by
To calculate application specific cutting data, please use KAp, Kv, and Kfz from tables above for adaption of cutting speeds and feeds respectively: Maximum Ae=(Ap1Max/D1) * KAp * D1 Vc new = Vc * Kv IPT new = IPT * KFz				Sample Calculation Material: S4 D1: 25 mm Ap: 2xD1 Max Ae: 30% x KAp x D1 --- 30% * 0.7 * D1 = 21%xD1 SFM: Base x Kv --- 45 * 1.2 = 54 IPT: Base x KFz --- 0.081 * 1.09 = 0.088				Final cutting data recommendation: Max Ae = 0.3 * 0.7 * 25 = 5.25 mm Vc new = 45 * 1.2 = 54 m/min IPT new = 0.081 * 1.09 = 0.088 mm/th

Table for Feed and Speed Calculation with Adjustment Factor • INCH
		Side Milling (A)	KCSM15A	Recommended feed per tooth (fz=IPT) for side milling
				frac.	3/8	1/2	5/8	3/4	1
Material Group		Max Ae Factor (KAp)	Base Cutting Speed Vc (SFM)	dec.	0.375	0.500	0.625	0.750	1
P	3	1	420	IPT	0.0018	0.0023	0.0027	0.003	0.0037
	4	1	320	IPT	0.0016	0.0021	0.0024	0.0026	0.0031
	5	0.8	210	IPT	0.0014	0.0018	0.0022	0.0024	0.0029
	6	0.7	160	IPT	0.0012	0.0015	0.0018	0.0019	0.0022
M	1	1	275	IPT	0.0018	0.0023	0.0027	0.003	0.0037
	2	0.8	200	IPT	0.0014	0.0018	0.0022	0.0024	0.0029
	3	0.8	200	IPT	0.0012	0.0015	0.0018	0.0019	0.0022
S	1	0.5	160	IPT	0.0018	0.0023	0.0027	0.003	0.0037
	2	0.5	100	IPT	0.0014	0.0018	0.0022	0.0024	0.0029
	3	0.5	80	IPT	0.001	0.0013	0.0014	0.0016	0.002
	4	0.7	160	IPT	0.0016	0.002	0.0024	0.0027	0.0032
H	1	0.8	260	IPT	0.0016	0.0021	0.0024	0.0026	0.0031
	2	0.5	230	IPT	0.0014	0.0018	0.002	0.0022	0.0026
These guidelines may require variations to achieve optimum results. Above parameters are based on ideal conditions. For smaller taper machining centers, please adjust parameters accordingly on 12mm diameter. Maximum ramp angle is 2°. Tools with chip splitters can be used as finishers.

Adjustment factors for speed (Vc) and feed (Fz) • INCH
Maximum cutting width (Ae) for given cutting depth (Ap)
Ap	≤.125 x D1	>.125xD1 ≤ .5xD1	>.5xD1 ≤ 1xD1	>1xD1 ≤ 2xD1	>2xD1 ≤ 3xD1	>3xD1 ≤ 4xD1	>4 x D1
Max Ae	100% x D1	50% x D1 x KAp	40% x D1 x KAp	30% x D1 x KAp	20% x D1 x KAp	15% x D1 x KAp	10% x D1 x KAp
Note: KAp value is given on the Speed and Feed table, according to the type of workpiece material selected.

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