Inner diameter SR B Dimension Designation Type
PIN–POINT GATE BUSHINGS INNER DIAMETER SR –B DIMENSION DESIGNATION TYPE–
Carbide
Carbide
B
Part Number
Shape 1A
None for 2A C 0.1mm increments
Shape 1A only V 0.1mm increments
Shape 3A only S° 1° increments
Shape 4A only E R 0.1mm increments
Enlarged view of the tip
L 0.01mm increments
B 0.01mm increments
( Electro discharge finishing is applied on the SR area. )
G
SR
＊
H G SR
P
A° K°
Type Shape D
6.3
1.6
1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3
2 6.00–20.00 0.3 0.4 0.5 ( ＊ 1)
0.2
3.00– 5.00 0.2–0.4 1.3–1.9
0.4–0.8
3 0.7 0.60
≦ R 0.2
0
R ≦ 0.2
（
L － C － B ） － 0.02
B
2.5 8.00–25.00 0.3 0.4 0.5 0.6 ( ＊ 1)
4.00– 6.00 0.2–0.5 1.5–2.4
0.6–1.0
0
4 1.0 0.75
＋ 0.02
D
（ L － C ）
－ 0.005
C
± 0.05
0
＊ 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 Eccentricity between D and V is 0.05 or less
5.00– 9.00 5.00– 8.00 5.00– 7.00
0.5 0.6 0.7 0.8
2.0–2.9
3
5
1.00
E (L–C–B) ≧ 3.0
Enlarged view of the tip
＊
Shape 2A
5.00–30.00
( Electro discharge finishing is applied on the SR area. )
G
SR
1–45
0.6 0.7
0.3–0.8
0.8–1.5
10.00–40.00
1.00
1.2
6.3
5.00–20.00
1A
1.6
2.5–3.9
4
6
20
5.00–30.00
0.8 0.9 1.0
1.25
0.2
2A
5.00–20.00 5.00–35.00
≦ R 0.2
PGW ( Carbide V40 )
0
（
L － B ） － 0.02
B
3A
0.8 0.9 1.0
1.25
－ 0.005 0
5.00–30.00
D
5
3.5–4.9
1.0–2.0
8
＋ 0.02
＊ This bushing has a flat area of 0–0.2 on its P dimension tip.
L
4A
0
5.00–30.00
Eccentricity between D and P is 0.05 or less
1.2
1.50
Shape 3A E (L － B) ≧ 3.0
5.00–20.00
30
5A
Enlarged view of the tip
＊
5.00–30.00
1.0
1.25
( Electro discharge finishing is applied on the SR area. )
G
SR
5.00–20.00
15.00–40.00
6
4.0–5.9
1–50
1.5–3.0
0.5–1.5
1.5
9
6.3
1.6
5.00–30.00
＊ 2)
1.2 1.3 1.4 1.5 (
1.50
5.00–20.00
0.2
≦ R 0.2
1.2 1.3 1.4
1.50
0
（
L － C － B ） － 0.02
B
0
＋ 0.05
8
5.00–30.00
4.5–7.9
1–60
2.0–4.0
11
D
（ L － C ）
－ 0.005
C
± 0.05
0
＊ This bushing has a flat area of 0–0.2 on its P dimension tip.
1.5 1.6
2.00
L
Eccentricity between D and P is 0.05 or less
E (L–C–B) ≧ 3.0
E For shape 4A, R ≧ (P/2) 2 + C 2
( ＊ 1) For P0.5 (D2)/P0.6 (D2.5), only K20° can be selected ( ＊ 2) When P1.5 (D6) and K30°, G is 1.2.
Shape 4A
Enlarged view of the tip
( Electro discharge finishing is applied on the SR area. )
G
SR
＊
6.3
PartNumber– L – P – A – K – B – CVSR PGW1A4 – 20.01 – P0.8 – A2 – K30 – B15.00 – C0.5–V3.0 PGW2A4 – 20.01 – P0.8 – A2 – K30 – B15.00 PGW3A4 – 20.01 – P0.8 – A2 – K30 – B15.00 – C0.5 – S30 PGW4A4 – 20.01 – P0.8 – A2 – K30 – B15.00 – C0.5 – R1.0 PGW5A4 – 20.01 – P0.8 – A2 – K30 – B15.00 – C0.5
1.6
Order
0.2
≦ R 0.2
0
（
L － C － B ） － 0.02
B
R
0
＋ 0.02
D
（ L － C ）
－ 0.005
C
± 0.05
0
C
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
Delivery Quotation
E R ≧ (P/2) 2 + C 2
E (L–C–B) ≧ 3.0
E V = 2 × R 2 –( R 2 –(P/2) 2 –C) 2
Example
Enlarged view of the tip
Shape 5A
Locating ring ( P.701 – 708 )
G
SR
＊
( Electro discharge finishing is applied on the SR area. )
PartNumber – L – P – A – K – B – CVSR – (CC/CVC) PGW1A4 – 20.01 – P0.8 – A2 – K20 – B15.00 – C0.5–V3.0 – CVC0.3
6.3
Alterations
1.6
Fixed side die plate
Runner lock pin ( P.713 – 722 )
0.2
Alterations Code
Spec.
Runner stripper plate Fixed die plate
≦ R 0.2
C ± 0.1
0
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
（
L － C － B ） － 0.02
B
0
＋ 0.05
CC
D
（ L － C ）
－ 0.005
C
± 0.05
0
C
B
Pin-point gate bushings ( PGW □ A )
L
Eccentricity between D and P is 0.05 or less
＊ This bushing has a flat area of 0–0.2 on its P dimension tip.
Cavity insert
CVC ± 0.05
E (L–C–B) ≧ 3.0
CVC
● Calculation for the inlet diameter ＊α ＊α≒ 2SR + 2 (L–G–SR) tan A° 2
Part Number
M Material
H Hardness
B
G
SR
SR
V40 (Carbide)
87–88HRA (Converted score to Vickers hardness: 960HV)
PGW □ A
G
L
L
E The dimension acquired using the above calculation is the theoretical (reference) value.
777
778
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