φ
φ
φ
4
±
Shank Dia.
4YEBM
难切削材料・半精加工 ( 球头 4 刀刃型 )
Semi Finishing for Difficult-to-Cut Material
(Ball-nose end mill with 4Flutes)
■库存型号  Stock Items
(单位: mm ) (Unit : mm)
型号
Description
4YEBM050-090-06
4YEBM060-100-06
4YEBM080-120-08
4YEBM100-140-10
4YEBM120-160-12
4YEBM160-220-16
4YEBM200-260-20
库存
Stock
球头半径
Rudius of
Ball Nose
R
R2.5
R3
R4
R5
R6
R8
R10
外径
Outside
Dia.
φ Dc
5
6
8
10
12
16
20
切削刃直
径公差
Outside Dia.
tolerance
-0.020
-0.038
-0.020
-0.038
-0.025
-0.047
-0.025
-0.047
-0.032
-0.059
-0.032
-0.059
-0.040
-0.073
刀刃长
Length of cut
9
10
12
14
16
22
26
头部直径
Neck Length
φ D 1
4.5
5.5
7.4
9.2
11
15
19
颈部以下
的长度
Under Neck
Length
ℓ 2
15
15
20
25
30
38
50
刀柄直径
Shank Dia.
φ Ds
6
6
8
10
12
16
20
全长
Overall length
L
57
57
63
72
83
92
104
刀刃数
Number of
flutes
Z
4
4
4
4
4
4
4
难切削材料半精加工球头铣刀。
Ball-nose end mill for semi finishing of difficult-to-cut materials.
●:标准库存 Standard Stock
Y系列
难切削材料用
Y Series
Difficult-to-Cut
Material
■推荐切削条件  Recommended Cutting Condition
推荐切削条件
肩部加工 Shouldering
-1
-1
-1
-1
Recommended Material
被切削材
Material
不锈钢
SUS304
Stainless steel
耐热合金
Heat-resistant Alloy
软钢
Soft Steel
钛合金
Titanium Alloy
切深 ap × ae ) mm )
Depth of Cut
1Dc × 0.5Dc
1Dc × 0.2Dc
1Dc × 0.5Dc
1Dc × 0.3Dc
外径 Dc ( mm )
Outside Dia.
转数( min )
Spindle Revolution
进给量( mm/min )
Feed Rate
转数( min )
Spindle Revolution
进给量( mm/min )
Feed Rate
转数( min )
Spindle Revolution
进给量( mm/min )
Feed Rate
转数( min )
Spindle Revolution
进给量( mm/min )
Feed Rate
φ 5
5,700
620
1,700
70
9,400
1,020
3,200
180
φ 6
4,800
630
1,400
80
7,900
1,130
2,700
190
φ 8
3,600
630
1,000
100
5,900
1,270
2,000
220
φ 10
2,900
640
800
80
4,700
1,020
1,600
170
φ 12
2,400
560
700
90
3,900
990
1,300
170
φ 16
1,800
450
500
90
2,900
800
1,000
160
φ 20
1,400
390
400
80
2,400
760
800
160
肩部加工
Shouldering
铣槽加工
Slotting
灰口铸铁
Gray Cast Iron
1Dc × 0.4Dc
转数( min -1 )
Spindle Revolution
进给量( mm/min )
Feed Rate
7,800
840
6,500
930
4,900
1,050
3,900
840
3,200
820
2,400
660
1,900
630
※不锈钢推荐湿式加工。 Machining with coolant is recommended for stainless steel.
铣槽加工的推荐切削条件请参照 34 页。 Please refer to page 34 about grooving.