Die Steel SKD61 + Nitriding
STRAIGHT EJECTOR PINS WITH GAS VENT FOR DIE CAST –L DIMENSION DESIGNATION TYPE/ P/L DIMENSION DESIGNATION TYPE–
Part Number – L – P – N – SV – (KC/WKC … etc.) GV–DEPL–L5 – 270.50 – N2.0 – SV15 – 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.
Single flat cutting KC = 0.1mm increments KC = P/2 c 0.005mm increments possible E P/2 ≦ KC ＜ H/2 Two flats cutting WKC = 0.1mm increments WKC = P/2 c 0.005mm increments possible E P/2 ≦ WKC ＜ H/2 Varied dimension flat cutting KAC, KBC = 0.1mm increments KAC ＝ P/2 c 0.005mm increments possible E P/2 ≦ KAC ＜ KBC ＜ H/2 Two flats (right angled) cutting RKC = 0.1mm increments RKC = P/2 c 0.005mm increments possible E P/2 ≦ RKC ＜ H/2 Three flats cutting DKC = 0.1mm increments DKC = P/2 c 0.005mm increments possible E P/2 ≦ DKC ＜ H/2 Four flats cutting SKC = 0.1mm increments SKC = P/2 c 0.005mm increments possible E P/2 ≦ SKC ＜ H/2 Two flats (angled) cutting KGC = 0.1mm increments KGC = P/2 c 0.005mm increments possible AG = Designation 1° increments E P/2 ≦ KGC ＜ H/2, 0 ＜ AG ＜ 360 Three flats cutting at 120° KTC = 0.1mm increments KTC = P/2 c 0.005mm increments possible E P/2 ≦ KTC ＜ H/2
Head diameter change HC = 0.1mm increments E P + 1 ≦ HC ＜ H
HC
P
d
R ≦ 0.5 (Reference value)
KC
Step R
－ 0.1 KC 0
4.00– 7.99 8.00–11.99 12.00–20.00
P–0.6 P–1.2 P–1.8
Head thickness change TC = 0.1mm increments E 5.0 ≦ TC ＜ 10 (Dimension L remains unchanged) E 10−TC ≦ Lmax.−L
Die Steel SKD61
Enlarged view of A part
Enlarged view of B part C ＝ 0.1 ± 0.05
0 － 0.05
TC
TC
WKC
x 1
b 1 (Range of guaranteed shaft diameter precision)
WKC － 0.1 0
Pre–Hardened Die Steel SKD61
10
＋ SV 5 0
＋ 0.5 0
＋ 0.2 0
（ L ＞ 500 c N
）
R ≦ 0.5
2
N
A part
＋ 0.1
0 4
KAC KBC
Stainless Steel SUS440C
Dowel hole boring X Combination with other than NHC/NHN not available
NC
－ 0.1 0
－ 0.1 0
KAC
KBC
10
4mm
4
0 － 0.05
RKC
T ＝ 10
B part
Dowel hole + Spring pin driving X Combination with other than NHC/NHN not available
0 － 0.1
－ 0.01 － 0.02
NCW
RKC
＋ 0.05 0
＋ 0.5 0
P
（ L ＞ 500 c L
）
JIS (6/8mm)
SKD61 equivalent + Nitriding 900HV– Base material: 40–45HRC Surface:
L
M Material H Hardness
10
Range of guaranteed shaft diameter precision/ Base material hardness/Range of guaranteed surface hardness for nitriding (details D P.7 ) ( Range of guaranteed shaft diameter precision is only for the shaft diameter except for gas vent. )
10mm
DKC
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 Head tapping E Available when P ≧ 8.00 X C ombination with any other alteration not available
217
0
NHC
Part Number
Head thickness
DKC
DKC － 0.1
GV–DEPL GV–DEPB
(L dimension designation type) (L/P dimension designation type)
P –0.01 –0.02 P 0 - 0.005
10mm (T10)
SKC
1
2
3
SKC － 0.1 0
NHN
■ L dimension designation type
P 0
L 0.01mm increments (L > 500 C 0.1mm increments)
Part Number
–0.002
KGC 0 ° AG ° ± 0.5
N 0.5mm increments
SV 1mm increments
MC
H
Type
P
MC
KGC
Standard Size Total Length Designation
M × 1
4 5 6 7 8
90.00–600.0
8 9
Tip shaft diameter alteration E P–0.08 ≦ PCC ＜ P–0.02 PCC = 0.01mm increments
120 ° 120 °
PCC
10 11 13 15 17 20 25
2.0–10.0 L–(2 + SV + N) ≧ 15
120 ° 0 － 0.1
Shaft Diameter Designation Shaft Diameter/ Total Length Designation
KTC
KTC
2–50 L–(2 + SV + N) ≧ 50
GV–DEPL
90.00–700.0
10 12 15 20
Tip Process
■ Characteristics Let gas out from the inside of the cavity via the clearance around the ejector pin.
2.0–12.0 L–(2 + SV + N) ≧ 15
Example
Engraving
Gas Vent
■ P/L dimension designation type
PL Line
0.01mm increments
Part Number
N 0.5mm increments
SV 1mm increments
H
Type
No.
L
P
5 6 7 8
4.00–4.99 5.00–5.99 6.00–6.99 7.00–7.99 8.00–9.99
7
8
2.0–10.0 L–(2 + SV + N) ≧ 15
2–50 L(2 + SV + L) ≧ 50
GV–DEPB
90.00–300.00
9
10 12 15 20
10.00–11.99 12.00–14.99 15.00–19.99
10
2.0–12.0 L–(2 + SV + N) ≧ 15
Gas ow
11
e Nitriding may extend to the head as it is applied after dimension P machining.
Part Number – L – P – N – SV GV–DEPL–L5 – 270.50 – N2.0 – SV15 GV–DEPB5 – 268.30 – P4.50 – N2.0 – SV15
Delivery Quotation
Order
63
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