Dao phay ngón carbide Kennametal HARVI™ IV đáy phẳng, 8 me, làm mát trong, chipbreaker, cán trơn, hệ inch

Đặc điểm nổi bật:

• Có thể dùng cho cả phay thô và phay tinh: giảm số lần thay dao

• Thiết kế lõi và me cắt độc quyền: khoảng cách me cắt tối ưu cho việc hình thành phoi hoàn hảo và độ cứng cao.

• Hiệu suất cao: phát triển để gia công titan, hợp kim chịu nhiệt và thép không gỉ.

• Chipbreaker: giúp thoát phoi tối ưu, giảm lực cắt và cải thiện bề mặt gia công.

• Làm mát trong: giúp làm mát trực tiếp tại điểm cắt, tăng tuổi thọ dụng cụ và cải thiện chất lượng bề mặt gia công.

• Cán trơn: phù hợp với các loại collet, bầu kẹp tiêu chuẩn.

• Hệ inch: tất cả thông số đo theo inch.

TechnicalInfo

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

Application Data

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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