Inner diameter SR B Dimension Selection Type
PIN–POINT GATE BUSHINGS INNER DIAMETER SR –B DIMENSION SELECTION TYPE–
Carbide
Carbide
B
Shape 1A
Part Number
None for 2A C 0.1mm increments
Enlarged view of the tip
Shape 1A only V 0.1mm increments
Shape 3A only S° 1° increments
Shape 4A only E R 0.1mm increments
L 0.01mm increments
＊
SR
G
H G B SR
P
A° K°
( Electro discharge finishing is applied on the SR area. )
Type Shape D
6.3
1.6
2 6.00–20.00 0.3 0.4 0.5 ( ＊ 1)
0.2–0.4
1.3–1.9
0.4–0.8
3 0.7 3 0.60
0.2
≦ R 0.2
0.3 0.4 0.5 0.6 ( ＊ 1)
2.5 8.00–25.00
0.2–0.5
1.5–2.4
0.6–1.0
R ≦ 0.2
4 1.0 4 0.75
（ L － C － B ）
0 －
B
0.02
1A
＋ 0.02
0
（ L － C ）
－ 0.005
D
± 0.05
0.5 0.6 0.7 0.8 0.6 0.7
C
0
2.0–2.9
3
5
1.00
1
＊ This bushing has a flat area of 0–0.2 on its P dimension tip.
1–45
Eccentricity between D and P is 0.05 or less. Eccentricity between D and V is 0.05 or less
L
2A
20
0.3–0.8
0.8–1.5
10.00–40.00
1.2 6
1.00 1.25 1.25 1.50 1.25 1.50 1.50 2.00
4
2.5–3.9
PGWB ( Carbide V40 )
6
0.8 0.9 1.0 0.8 0.9 1.0
2
3A
Shape 2A
＊
Enlarged view of the tip
SR
G
( Electro discharge finishing is applied on the SR area. )
5
3.5–4.9
1.0–2.0
8
30
4A
1.2 1.0
6.3
1.6
3
15.00–40.00
6
0.5–1.5
4.0–5.9
1–50
1.5–3.0
1.5 10
9
5A
0.2
1.2 1.3 1.4 1.5 ( ＊ 2)
≦ R 0.2
1.2 1.3 1.4
（
0 L － B ） － 0.02
8
4.5–7.9
1–60
2.0–4.0
11
B
1.5 1.6
－ 0.005 0
D
＋ 0.02
E For shape 4A, R ≧ (P/2) 2 + C 2
( ＊ 1) For P0.5 (D2) and P0.6 (D2.5), only K20° can be selected ( ＊ 2) When P1.5 (D6) and K30°, G is 1.2.
＊ This bushing has a flat area of 0–0.2 on its P dimension tip.
L
0
Eccentricity between D and P is 0.05 or less
＊
Shape 3A
PartNumber – L – P – A – K – CVSR PGWB1A4 – 20.01 – P0.8 – A2 – K30 – C0.5–V3.0 PGWB2A4 – 20.01 – P0.8 – A2 – K30 PGWB3A4 – 20.01 – P0.8 – A2 – K30 – C0.5 – S30 PGWB4A4 – 20.01 – P0.8 – A2 – K30 – C0.5 – R1.0 PGWB5A4 – 20.01 – P0.8 – A2 – K30 – C0.5
Enlarged view of the tip
Order
SR
G
( Electro discharge finishing is applied on the SR area. )
6.3
1.6
0.2
≦ R 0.2 B
（ L － C － B ）
0 －
0.02
＋ 0.05
－ 0.005 0
（ L － C ）
D
± 0.05
C
0
Delivery Quotation
Example
Locating ring ( P.701 – 708 )
＊ This bushing has a flat area of 0–0.2 on its P dimension tip.
L
Eccentricity between D and P is 0.05 or less
Fixed side die plate
PartNumber – L – P – A – K – C V S R – (CC/CVC) PGWB1A4 – 20.01 – P0.8 – A2 – K20 – C0.5–V3.0 – CVC0.3
Shape 4A
Enlarged view of the tip
Alterations
＊
SR
G
( Electro discharge finishing is applied on the SR area. )
Runner lock pin ( P.713 – 722 )
6.3
1.6
Alterations Code
Spec.
C ± 0.1
Machining (C chamfering) for inlay relief. D2/2.5 → C0.2 D3/4 → C0.3 D5–8 → C0.5 Machining (C chamfering) for inlay relief. CVC = 0.1mm increments 0.2 ≦ CVC ＜ (H−D) 2 −0.1
0.2
Runner stripper plate
CC
≦ R 0.2 B
（
0 L － C － B ） － 0.02
R
B
＋ 0.02
－ 0.005 0
Fixed die plate
C
（ L － C ）
D
± 0.05
C
0
CVC ± 0.05
L
＊ This bushing has a flat area of 0–0.2 on its P dimension tip.
CVC
Pin-point gate bushings ( PGWB □ A )
Eccentricity between D and P is 0.05 or less
E V = 2 × R 2 –( R 2 –(P/2) 2 –C) 2
E R ≧ (P/2) 2 + C 2
Cavity insert
B
Shape 5A
Enlarged view of the tip
＊
SR
G
( Electro discharge finishing is applied on the SR area. )
6.3
1.6
0.2
≦ R 0.2 B
（ L － C － B ）
0
－ 0.02
＋ 0.05
－ 0.005 0
（ L － C ）
C
D
± 0.05
C
0
L
＊ This bushing has a flat area of 0–0.2 on its P dimension tip.
Eccentricity between D and P is 0.05 or less
● Calculation for the inlet diameter ＊α ＊α≒ 2SR + 2 (L–G–SR) tan A° 2 SR G G SR
Part Number
M Material
H Hardness
V40 (Carbide)
87–88HRA (Converted score to Vickers hardness: 960HV)
PGWB □ A
L
L
E The dimension acquired using the above calculation is the theoretical (reference) value.
775
776
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