GUIDE FOR GAS VENT COMPONENTS
■ Quick Reference Table of Gas Vent Pins
■ Quick Reference Table of Components for Insert Blocks with Gas Vent
Shape/Size
M Material
T Tolerance
Square shape
Round shape
Product Name
Part Number (Type)
Total Length (L) Reference tolerance
Pin Category
Head thickness
Shape Drawing
m Material
Vent Width Page
Shaft diameter (D or P)
Total Length (L or T)
Page
Type
Length (A)
Breadth (B)
Diameter (D or M)
SKH51
SKD61
DH2F
NAK80
T (Height)
PRVT (Standard size)
GVFE GVFEM
Normal Type
+ 0.02 0
–0.01 –0.02
P.455
–
–
–
4mm
GVFEJ GVFEJM
+ 0.02 0
–0.01 –0.02
SUS430 equivalent
PRVB (Free designation)
（ 3 ）
–
P.456
–
–
JIS
P.436
50–300 50–200 50–100
–
–
0.02
L
Tip Processing Type
A
T
GVFEA GVFEAM
PRVF (6F/Free designation) PVAB (Press–fitting/normal) PVBB (With press–fitting/relief holes) PVABC (C ring/normal) PVBBC (C ring/With relief holes) SGWD (Slit width 12μm)
+ 0.02 0
–0.01 –0.02
P.455
–
–
–
4mm
（ 5 ）
L
GV–EPH–L GV–EPHB GV–EPHJ–L GV–EPHJB GV–EPHE–L GV–EPHBE GV–EPHJE–L GV–EPHJBE GVB–EPH–L GVB–EPHB GVB–EPHJ–L GVB–EPHJB GVB–EPHE–L GVB–EPHBE GVB–EPHJE–L GVB–EPHJBE
Tip Diameter Selection Type
4mm
D
L
0 –0.005
–
–
–
JIS
+ 0.02 0
L
SUS430 equivalent
P.459
D
P.437
–
–
–
4–20 10–16
0.05
4mm
L
–0.01 –0.02
–
–
–
L
D
JIS
Tip Diameter Designation Type
4mm
L
D
0 –0.005
–
–
–
12/24 5.5/10 5/10
–
–
0.012
JIS
P.439
SUS304C
+ 0.02 0
P.461
SGWM (Slit width 30μm)
T
A
24
10
10
–
–
0.03
4mm
L
–0.01 –0.02
–
–
–
SUS420J2 equivalent
LBGV–X (Harmonica Shape/Large)
P.444
100 70–100 100/120
0.03
JIS
Normal Type
BGV (Harmonica Shape)
GVFC GVFCM
P.445
S50C
40/80 40–80 40/80
0.03/0.05
+ 0.02 0
–0.01 –0.02
P.457
–
–
–
A
T
4mm
（ 3 ）
L
BGVS (Round Shape)
P.446
SUS440C
–
–
–
6–10 10–15 0.03/0.05
Tip Processing Type
L
GVFCA GVFCAM
+ 0.02 0
–0.01 –0.02
P.457
–
–
–
4mm
（ 5 ）
MSTV
P.447
SUS303
–
–
–
2/3/6 20/25 0.03–0.2
L
L
Shaft diameter selection type
0 –0.005
GV–CPH–L
GV–CPP–L
GV–CPG–L
GV–CPK–L
MSTVS (Straight)
+ 0.02 0
P.463
SUS303
–
–
–
5/8
5–50
–
–0.01 –0.02
GV–CPX–L
GV–CPD–L
GV–CPF–L
GV–CPN–L
D
T
4mm
P.448
M
SUS304 equivalent
MSTVM (Screw shape)
+ 0.01 0
–
–
–
M8/M10 12/15
–
–0.01 –0.02
GV–CPV–L
GV–CPZ–L
P.465
–
–
L
T
Shaft diameter designation type
0 –0.005
GV–CPHB–L GV–CPPB–L GV–CPGB–L GV–CPKB–L
TSVS
–
–
–
2–4
10
0.02
+ 0.02 0
P.463
–0.01 –0.02
GV–CPXB–L GV–CPDB–L GV–CPFB–L GV–CPNB–L
4mm
TSVA
–
–
–
2–6
10
0.03
L
D
+ 0.01 0
–0.01 –0.02
GV–CPVB–L GV–CPZB–L
P.465
–
–
L
TSVB
P.449
SUS316
–
–
–
2–10
10
0.05
or
There are other shapes also for pin category. For details, see the table of contents of straight ejector pins ( P.5 ), stepped ejector pins ( P.95 ), rectangular ejector pins ( P.163 ), straight core pins ( P.319 ), and stepped core pins ( P.361 ).
TSVC
–
–
–
2–10
10
0.1
L
D
TSVD
–
–
–
6–8
10
0.2
■ Quick Reference Table of Gas Release Assist Components
Product Name
Part Number
Heat–resistant Temperature
Heat–resistant Temperature
Product Name
Part Number
Page
Page
Shape Drawing
Shape Drawing
Gas Release Assist Unit (vacuum generator)
60 ℃
M–VCL
Vacuum Unit
200 ℃
AVBN
P.451
P.450
120 ℃
M–VCLH
433
434
Powered by FlippingBook