Die Steel SKD61 Head thickness 4mm
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–EPDBS5 – 268.30 – P4.50 – 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
HC
KC
KC － 0.1 0
P
d
R ≦ 0.5 (Reference value)
Step R
4.00– 7.99 8.00–11.99 12.00–13.00
P–0.6 P–1.2 P–1.8
Head diameter change (precision) HCC = 0.1mm increments E P + 1 ≦ HCC < H−0.3 Head thickness change TC = 0.1mm increments E 2.0 ≦ TC ＜ 4 (Dimension L remains unchanged) E 4−TC ≦ Lmax.−L
Two flats cutting P/2 ≦ WKC < H/2
Die Steel SKD61
HCC
WKC
About Designation Unit for Key Flat Cutting
0 － 0.1
Enlarge view of section B C ＝ 0.1 ± 0.05
Enlarge view of section A
WKC
x 1
b 1 (Range of guaranteed shaft diameter precision)
Pre–Hardened Die Steel SKD61
Varied dimension flat cutting P/2 ≦ KAC < H/2 KBC = 0.1mm increments only KAC < KBC < H/2
KAC KBC
(1)To align the key flat with the shaft diameter Unit of designation GV–EPDS–L/ GV–EPD–L 0.05mm increments possible GV–EPDBS/ GV–EPDB 0.005mm increments possible
＋ SV 5 0
＋ 0.2 0
R ≦ 0.5
2
N
KBC － 0.1 0
TC
Section A
KAC
TC
Stainless Steel SUS440C
4
Two flats (right angled) cutting P/2 ≦ RKC < H/2
0 ＋ 0.1
RKC
2
Dowel hole boring E Applicable when H ≧ 4 X Combination with other than NHC/NHN not available Dowel hole + Spring pin driving E Applicable when H ≧ 4 X Combination with other than NHC/NHN not available Numbering on the head Range of designation and Designation method: D P.10 X Combination with SKC not available Automatic sequential numbering on the head Range of designation and Designation method: D P.10 X Combination with SKC not available
RKC － 0.1 0
NC
4mm
0 － 0.02
0 － 0.05
T ＝ 4
（ L ＞ 300 c T
）
Section B
4
＋ 0.02 0
＋ 0.05 0
P
（ L ＞ 200 L
）
JIS (6/8mm)
L
Three flats cutting P/2 ≦ DKC < H/2
DKC
2
0 － 0.1
DKC
DKC
Head thickness
NCW
Part Number
P Tolerance
M Material SKD61 H Hardness 50–55HRC 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. )
T
10mm
4
GV−EPDS−L GV−EPDBS GV−EPD−L
0 –0.005
Four flats cutting P/2 ≦ SKC < H/2
SKC
P –0.01 –0.02 P 0 - 0.005 –
SKC － 0.1 0
4mm (T4)
217
(2) To designate arbitrary key flat dimensions Unit of designation 0.1mm
–0.01 –0.02
NHC
GV−EPDB
Two flats (angled) cutting P/2 ≦ KGC < H/2 AG = Designation1° increments 0 < AG < 360
± 0.5 AG ° 0 ° KGC 120 ° 120 °
■ L dimension designation type Head thickness 4mm
KGC
P 0
1 2 3
Part Number
NHN
L 0.01mm increments
N 0.5mm increments
SV 1mm increments
–0.002
H
T
Type
P
Standard Size Total Length Designation
Three flats cutting at 120° P/2 ≦ KTC < H/2
－ 0.1 120 ° 0
Tip shaft diameter alteration E When P–0.08 ≦ PCC ＜ P–0.02
4
7
KTC
90.00–300.00
PCC
KTC
4.5 5 5.5
and when P–0.08 ≦ PCC ＜ P
P 0
8
– 0.005
90.00–400.00 (500.00)
PCC = 0.01mm increments
Shaft Diameter Designation Shaft Diameter/ Total Length Designation
GV−EPDS−L
9
2.0–10.0 L–(2 + SV + N) ≧ 15
) 0 – 0.005
6
(
P
2–50 L–(2 + SV + N) ≧ 15
■ Characteristics Let gas out from the inside of the cavity via the clearance around the ejector pin.
6.5 7
4
10
Example
GV−EPD−L ( P −0.01 −0.02 )
Tip Process
90.00–500.00
8
11 15 17 18
Engraving
10 12
PL line
Gas Vent
2.0–12.0 L–(2 + SV + N) ≧ 15
13 e The L dimension enclosed in brackets ( ) is applicable only for GV–EPD–L.
■ P/L dimension designation type Head thickness 4mm
Part Number
0.01mm increments
N 0.5mm increments
SV 1mm increments
H
T
Type
No.
L
P
4.5 90.00–300.00
4.00–4.49 4.50–4.99 5.00–5.49 5.50–5.99 6.00–6.49 6.50–6.99 7.00–7.99 8.00–9.99
8
5
90.00–400.00
Gas ow
5.5
GV−EPDBS
9
6
2.0–10.0 L–(2 + SV + N) ≧ 15
) 0 – 0.005
(
6.5
P
2–50 L–(2 + SV + N) ≧ 15
4
10
7 8
GV−EPDB ( P −0.01 −0.02 )
90.00–500.00
11 15 17 18
10 12 13
10.00–11.99 12.00–12.99
2.0–12.0 L–(2 + SV + N) ≧ 15
Part Number – L – P – N – SV GV–EPD–L5 – 270.50 – – N2.0 – SV9 GV–EPDBS5 – 268.30 – P4.50 – N2.0 – SV9
Quotation
Order
Delivery
65
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