High Speed Steel SKH51 Head thickness 4mm
Total length designation type
Z GROOVE EJECTOR PINS –L DIMENSION DESIGNATION TYPE–
L
F – (AKC/AWC … etc.)
Part Number – L – V – G –
High Speed Steel SKH51 + Hard chromate Die Steel SKD61 + Nitriding High Speed Steel SKH51
Alterations
Z–EPH–L5 –150.00–V2.0– G5 –F145.00– TC2
Alteration details D P.9
Alterations
Code
Spec.
Alterations
Code
Spec.
Tip shape
90 °
AKC = 1° increments E 0 ＜ AKC ＜ 360 E No need to designate AKC0
Head diameter change HC = 0.1mm increments E P + 1 ≦ HC < H
0 ° θ 0
HC
AKC
180 °
0 °
P/2
－ 0.1
Die Steel SKD61
270° 90 °
Z － EPH － L Z － EPHE － L
b 1 (Range of guaranteed shaft diameter precision)
x 1
（ R ≦ 0.2 ）
Head diameter change (precision) HCC = 0.1mm increments E P + 1 ≦ HCC ＜ H–0.3
= 1° increments
AWC AWC
θ 0 °
HCC
0 °
180 °
Pre–Hardened Die Steel SKD61
E 0 ≦ AWC < 360
G °
0 － 0.1
P/2
270 °
Head thickness change TC = 0.1mm increments E 2 ≦ TC ＜ 4 (Dimensions L and F remain unchanged) E 4−TC ≦ Lmax.−L
90 °
= 1° increments
Stainless Steel SUS440C
ARC ARC
θ
R ≦ 0.5
0 °
180 °
TC － 0.02 0
TC
E 0 ≦ ARC ＜ 360
0 °
0 － 0.1
P/2
T = 4
0 －
270 °
－ 0.01 － 0.02 P
4
0.02
0 － 0.005
P
＋ 0.05 0
＋ 0.02
）
90 °
（ F ＞
F 0
200
F
4mm
= 1° increments
ADC ADC
Numbering on the head Range of designation and Designation method: D P.10 Automatic sequential numbering on the head Range of designation and Designation method: D P.10
θ
＋ 0.05 0
＋ 0.02
217
0 °
180 °
）
（ L ＞
L 0
0 °
E 0 ≦ ADC ＜ 360
200
L
NHC
0 － 0.1
JIS (6/8mm)
P/2
270 °
90 ° θ
= 1° increments
KGA KGA
10mm
180 °
0 °
1
2
3
E 0 ＜ KGA ＜ 360
NHN
0 － 0.1
P/2
270 °
E determine the shape position, key flat cutting is made at the standard 0°.
E V–(L–F)tanG ≧ 1 E 0.5 ≦ L–F
P –0.01 –0.02 P 0 - 0.005 –
0 °
θ
= 1° increments
KGB KGB
Head thickness
90 °
270 °
Part Number
T P Tolerance T G Tolerance T V Tolerance
E 0 ＜ KGB ＜ 360
M Material SKH51 H Hardness 58–60HRC Range of guaranteed shaft diameter precision/base material hardness (Details D P.7 )
0 –0.005
180 °
Z–EPH–L
±
± 0.05
P 0
4mm (T4)
30'
–0.01 –0.02
Varied dimension flat cutting P/2 ≦ KAC < H/2 KBC = 0.1mm increments only KAC < KBC < H/2 X Combination with other key flat cutting not available
Z–EPHE–L
–0.002
KAC KBC
0 °
Standard Size Total Length Designation
0 － 0.1
0 － 0.1
KAC
KBC
Part Number
L 0.01mm increments
V 0.5mm increments
G° 1° increments
F 0.01mm increments
H T
Type
P
2
4 5 6 7 8 9
■ Characteristics Z groove ejector pins have the function of sprue lock by undercutting of the tip groove.
2.5
50.00–300.00
Shaft Diameter Designation Shaft Diameter/ Total Length Designation
Z–EPH–L ( P 0 –0.005 ) Z–EPHE–L ( P –0.01 –0.02 )
Example
3 4 5 6 7 8
RCPN
1.5 ≦ V ＜ P
L–F ≦ 10
0–45
4
（
） P.727
50.00–350.00
Tip Process
10 11
Engraving
E 0.5 ≦ L–F
E V– (L–F)tanG ≧ 1
Gas Vent
Part Number
Order
– L – V – G – F
Type P Z–EPH–L 5 – 150.00 – V2.0 – G5 – F145.00
ball plunger
Quotation
Delivery
（
） P.591
Ejector pin with Z groove
■ Ejector Pins with Tip Processed
5A (Z groove)
SKH51 L dimension designation type D P. 75 SKH51 L/P dimension designation type D P.77
（ F ＞ F ＋ 0.02 0
0 ＋ 0.05
）
（ R ≦ 0.2 ）
200
F
G °
＋ 0.05 0
0 ＋ 0.02 L （ L ＞
）
200
L
• 0° ≦ G ≦ 45° • 1.5 ≦ V ＜ P • 0.5 ≦ L−F ≦ 10
• V−(L−F) tanG ≧ 1 X R designation not available
69
70
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