Die Steel SKD61 + Nitriding
STRAIGHT EJECTOR PINS WITH GAS VENT FOR DIE CAST –L DIMENSION DESIGNATION/ P/L DIMENSION DESIGNATION WITH CUTTING FACETS TYPE–
Part Number – L – P – E – (KC/WKC … etc.) GW–DEPL–L5 – 270.50 – E0.03 – KC2.5
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.
b 1 (Range of guaranteed shaft diameter precision)
x 1
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
Step R
HC
Single face cutting
Four faces cutting
＋
5 0
KC
R ≦ 0.5
SV
A part
－ 0.1 KC 0
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
0 － 0.05
TC
TC
WKC
WKC － 0.1 0
Pre–Hardened Die Steel SKD61
10
10 (Guaranteed length for E dimension gas vent depth)
E 4 －
± 0.01
0 － 0.05
T ＝ 10
＋ 0.1
－ 0.01 － 0.02
－ 0.01 － 0.02
0 4
＋ 0.05 0
＋ 0.5 0
P
P
KAC KBC
（
L ＞ 500 c L
）
L
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
Part Number
Head thickness
Single face cutting
Four faces cutting
4mm
4
RKC
+ Spring pin driving X Combination with other than NHC/NHN not available
GW–DEPL GW–DEPB
GWS–DEPL GWS–DEPB
0 － 0.1
NCW Dowel hole
RKC
10mm (T10)
SKD61 equivalent + Nitriding 900HV– Base material: 40–45HRC Surface:
JIS (6/8mm)
M Material H Hardness
10
SV
P
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
40 ≦ L ＜ 60
60 ≦ L ＜ 105
L ≧ 105
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
217
0
NHC
3.00– 4.99 5.00– 9.99 10.00–20.00
15 30 30
30 30 50
30 50 50
DKC
DKC － 0.1
P –0.01 –0.02 P 0 - 0.005
SKC
1
2
3
SKC － 0.1 0
NHN
■ L dimension designation type
P 0
Part Number
0.01mm increments
–0.002
KGC 0 ° AG ° ± 0.5
P M P 8.00– 9.99 M4 P10.00–11.99 M5 P12.00–15.99 M6 P16.00–20.00 M8
MC
Head tapping E Available when P ≧ 8.00 X Combination with any other alteration not available
H
L (L > 500 C 0.1mm increments)
KGC
Standard Size Total Length Designation
MC
Type
P
E
M × 1
4 5 6 7 8
40.00–600.0
8 9
120 ° 120 °
120 ° 0 － 0.1
Shaft Diameter Designation Shaft Diameter/ Total Length Designation
KTC
10 11 13 15 17 20 25
Single face cutting GW – DEPL
KTC
Single face cutting 0.02–0.05
■ Characteristics Let gas out from the inside of the cavity via the clearance around the ejector pin.
40.00–700.0
Tip Process
Four faces cutting 0.03–0.05
10 12 15 20
Four faces cutting GWS–DEPL
Example
Engraving
Gas Vent
PL Line
■ P/L dimension designation type
Part Number
0.01mm increments
H
Type
No.
L
P
E
4 5 6 7 8
3.00–3.99 4.00–4.99 5.00–5.99 6.00–6.99 7.00–7.99 8.00–9.99
8 9
10 11 13 15 17 20 25
Single face cutting GW–DEPB
Single face cutting 0.02–0.05
40.00–500.00
Gas ow
Four faces cutting 0.03–0.05
10 12 15 20
Four faces cutting GWS–DEPB
10.00–11.99 12.00–14.99 15.00–19.99
e Nitriding may extend to the head as it is applied after dimension P machining.
Part Number – L – P – E GW–DEPL–L6 GWS–DEPB6 – – 270.50 268.30 – P5.50 – – E0.03 E0.03
Delivery Quotation
Order
55
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