Standard Components For Plastic Mold 2021

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

73

74

Powered by