SHAPE VARIATIONS OF STRAIGHT EJECTOR PINS WITH TIP PROCESS ② –SHAPES 21A – 32A–
Shapes 1A – 20A D P.71 / 72
21A (Bezel + 1 vertical groove)
22A (Bezel + 2 vertical grooves)
31A (Inward R with F/V designation)
32A (Outward R with F/V designation)
+ 0.05
+ 0.05
F 0
F 0
L + 0.05 0 ( R ≦ 0.2 )
( R ≦ 0.2 )
( L > L + 0.02 0
0 + 0.05
)
P
J
P
J
200
L
+ 0.02 0
0 + 0.05
)
( L >
+ 0.05 0
L
200
L
L
J ≦ P 4 tanG 0.1 + JtanG ≦ W ≦
45° ≦ G < 90° X R designation not available
0.3 ≦ J ≦ 3.0 J ≦ P 3 tanG
45° ≦ G < 90° 0.3 ≦ J ≦ 3.0
P < R ≦ 15
1.5 ≦ V < P
P < R ≦ 15
1.5 ≦ V < P
P 2
–0.2
L−F > R− R 2 −(P−V) 2
L−F > R− R 2 −(P−V) 2
23A (Bezel + 3 vertical grooves)
24A (Cross groove/Triangle shaped)
■ Flats cutting position for 2A shape
( R ≦ 0.2 )
( R ≦ 0.2 )
P
J
P
J
0 + 0.05
+ 0.02
+ 0.05 0
)
0 ( L > 200
L
L
L
J ≦ P 5 tanG 0.1 + JtanG ≦ W ≦ P 2
0.3 ≦ J ≦ 3.0 J ≦ P 3 30° ≦ K ≦ 90° (5° increments) 26A (L–shaped/R designation)
45° ≦ G < 90° 0.3 ≦ J ≦ 3.0
AKC180
AKC0
–0.2
25A (Cross groove/Trapezoid–shaped)
( F > 200 F + 0.02 0
0 + 0.05
)
R
F
( R ≦ 0.2 )
P
J
( L > 200 L + 0.02 0
0 + 0.05
0 + 0.05
+ 0.02
)
0 ( L > 200
)
L
L
L
AKC90
AKC270
E ≦ P 3 0° ≦ K ≦ 45° (5° increments)
0.3 ≦ J ≦ 3.0 0.3 ≦ E ≦ 3.0 J ≦
0.3 ≦ R ≦ P−V and R ≦ L−F 0.2 ≦ L−F ≦ V × 5
1 ≦ V < P
P 3
27A (Bezel/Z groove)
28A (Half R)
■ Products list
■ Unit of designation T Tolerance
+ 0.05
R
( R ≦ 0.2 )
F 0
Unit of designation
Shape
G ± 30'
1° increments
G °
Select 18A/19A/20A 60°or 90° 24A/25A 5° increments
( R ≦ 0.2 )
T
K ± 30'
( L > L + 0.02 0
0 + 0.05
L
+ 0.05
)
Category
200
L
0 L
Tip process
SKH51 R ± 0.02 (Shapes 15A/26A c R ± 0.1 ) SKD61 R ± 0.1 SKD61 + Nitriding R ± 0.1
Shaft diameter (P) Tolerance
Head thickness (T)
L dimension designation type P/L dimension designation type Part Number Page Part Number Page
1 ≦ L−F ≦ V × 5 1.5 ≦ V < P
0° < G ≦ 45° X R designation not available
Material
0.1mm increments
P × 0.1 ≦ R < P × 0.8
EPH □ A EPHE □ A EPHJ □ A EPHJE □ A
EPHB □ A EPHBE □ A EPHJB □ A EPHJBE □ A
0 –0.005
4 mm (T4)
SR ± 0.1
0.1mm increments 0.1mm increments 0.1mm increments 0.1mm increments 0.1mm increments 0.1mm increments 0.1mm increments
–0.01 –0.02
29A (L–shaped/Tapered)
30A (Umbo)
A ± 0.05 V ± 0.05 E ± 0.02 J ± 0.02 W ± 0.02 Q ± 0.1
P.75
P.77
SKH51
0 –0.005
6/8mm (JIS)
+ 0.02 0
0 + 0.05
( F > F + 0.02 0
0 + 0.05
( F >
)
)
F
200
F
200
F
–0.01 –0.02
4mm (T4)
SKD61 equivalent + Nitrided
EPN □ A
EPNB □ A
( R ≦ 0.2 )
–0.01 –0.02
P.79
P.81
6/8mm (JIS)
EPJ □ A
EPJB □ A EPDBS □ A EPDB □ A
+ 0.05 ( R ≦ 0.2 )
+ 0.05
EPDS □ A EPD □ A
0 L
0 L
0 –0.005
4mm (T4)
**
**
SKD61
F (For tolerance, refer to the drawing)
0.01 mm increments
–0.01 –0.02
0.2 ≦ L−F ≦ V × 5 0.3 ≦ V < P X R designation not available
1 ≦ A ≦ P−1 and P 3
≦ A 1 ≦ L−F ≦ A × 3
E ** Web–only products
X R designation not available
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