Pre–hardened Die Steel SKD61 Head thickness JIS
STRAIGHT EJECTOR PINS WITH GAS VENT –L DIMENSION DESIGNATION TYPE/P/L DIMENSION DESIGNATION TYPE–
Part Number – L – P – N – SV – (KC/WKC … etc.) GV–EPAJ–L5 – 150.35 – N2.0 – SV9 – PCC4.97
High Speed Steel SKH51 + Hard chromate Die Steel SKD61 + Nitriding High Speed Steel SKH51
Alterations
Alteration details D P.9
Alterations Code
Spec.
Alterations Code
Spec.
Head diameter change HC = 0.1mm increments E P + 1 ≦ HC < H
Single flat cutting P/2 ≦ KC < H/2
KC
HC
KC － 0.1 0
P
d
R ≦ 0.5 (Reference value)
Step R
About Designation Unit for Key Flat Cutting
4.00– 7.99 8.00–12.00
P–0.6 P–1.2
Head thickness change TC = 0.1mm increments E T/2 ≦ TC ＜ T E T−TC ≦ Lmax.−L (Dimension L remains unchanged) Dowel hole boring X Combination with other than NHC/ NHN not available Dowel hole + Spring pin driving X Combination with other than NHC/ NHN not available
Die Steel SKD61
Two flats cutting P/2 ≦ WKC < H/2
WKC
TC
TC
C ＝ 0.1 ± 0.05
0 － 0.1
Enlarge view of section A
WKC
T
x 1
b 1 (Range of guaranteed shaft diameter precision)
Enlarge view of section B
Pre–Hardened Die Steel SKD61
Varied dimension flat cutting P/2 ≦ KAC < H/2 KBC = 0.1mm increments only KAC < KBC < H/2
0 ＋ 0.1
d
＋ SV 5 0
（L＞500 c N ） ＋ 0.5 0
＋ 0.2 0
T ℓ 4 2 3 6 3 5 8 d
KAC KBC
R ≦ 0.5
2
N
(1)To align the key flat with the shaft diameter Unit of designation GV−EPAJ–L 0.05mm increments possible GV−EPAJB 0.005 mm increments possible
NC
KBC － 0.1 0
Section A
KAC
Stainless Steel SUS440C
T
d
Two flats (right angled) cutting P/2 ≦ RKC < H/2
T
d ℓ 1
RKC
4 2
NCW
RKC － 0.1 0
6 8
5
4mm
3
0 － 0.05 T
Section B
T
－ 0.01 － 0.02
＋ 0.05 0
（L＞500 c L ） ＋ 0.5 0
P
JIS (6/8mm)
L
Numbering on the head Range of designation and Designation method: D P.10 X Combination with SKC/MC not available Automatic sequential numbering on the head Range of designation and Designation method: D P.10 X Combination with SKC/MC not available
Three flats cutting P/2 ≦ DKC < H/2
M Material SKD61 (Pre–hardened) H Hardness 40–45HRC Range of guaranteed shaft diameter precision/base materialhardness (Details D P.7 ) ( Range of guaranteed shaft diameter precision is only for the shaft diameter except for gas vent. )
217
DKC
NHC
0 － 0.1
DKC
DKC
Head thickness
Part Number
10mm
GV–EPAJ–L
4/6/8mm JIS
Four flats cutting P/2 ≦ SKC < H/2
GV–EPAJB ■ L dimension designation type H T
1
2
3
P –0.01 –0.02 P 0 - 0.005
SKC
NHN
SKC － 0.1 0
(2)To designate arbitrary key flat dimensions Unit of designation 0.1mm
Part Number
Head tapping E Applicable when P ≧ 8.00 X Combination with any other alteration not available
MC
Two flats (angled) cutting P/2 ≦ KGC < H/2 AG = 1° increments 0 < AG < 360
L 0.01mm increments
N 0.5mm increments
SV 1mm increments
± 0.5 AG ° 0 ° KGC 120 ° 120 °
P M P 8.00– 9.99 M4 P10.00–11.99 M5 P12 M6
Type
P
MC
KGC
P 0
–0.002
4
M × 1
90.00–600.00
8
4.5
Standard Size Total Length Designation
Tip shaft diameter alteration E P–0.08 ≦ PCC ＜ P–0.02 PCC = 0.01mm increments E PCC ≧ 3.00
Three flats cutting at 120° P/2 ≦ KTC < H/2
－ 0.1 120 ° 0
5
KTC
90.00–500.00
9
PCC
5.5
6
KTC
6
2.0–10.0 (12.0) L–(2 + SV + N) ≧ 15
2–50 L–(2 + SV + N) ≧ 15
GV–EPAJ–L
10
Shaft Diameter Designation Shaft Diameter/ Total Length Designation
6.5
7 8
11 13 15 17
90.00–700.00
■ Characteristics Let gas out from the inside of the cavity via the clearance around the ejector pin.
Example
10
8
Tip Process
12 e The N dimension enclosed in brackets ( ) is applicable only for GV–EPAJ–L12. ■ P/L dimension designation type
Engraving
PL line
Gas Vent
Part Number
0.01mm increments
N 0.5mm increments
SV 1mm increments
H
T
Type
No.
L
P
8 9
4.5
4.00–4.49 4.50–4.99 5.00–5.99 6.00–6.99 7.00–7.99 8.00–9.99
5 6 7 8
6
10 11 13 15 17
2.0–10.0 (12.0) L–(2 + SV + N) ≧ 15
2–50 L–(2 + SV + N) ≧ 15
GV–EPAJB
90.00–300.00
8
10 12
Gas ow
10.00–11.99
e The N dimension enclosed in brackets ( ) is applicable only for GV–EPAJB12.
Part Number – L – P – N – SV GV–EPAJ–L3 – 150.35 – – N2.0 – SV9 GV–EPAJB4 – 180.05 – P3.99 – N2.0 – SV9
Quotation
Delivery
Order
67
68
Powered by FlippingBook