Precision P/W 0 –0.005 Total Length Designation
High Speed Steel SKH51
PRECISION RECTANGULAR EJECTOR PINS – L DIMENSION DESIGNATION TYPE –
With R
Part Number – L – P – W – R – N – (AKC/AWC … etc.) ERVLFR 3 – 200.00 – P2.0 – W0.8 – R0.1 – N100 – AKC0 Quotation
High Speed Steel SKH51
Alterations
Dies Steel SKD61 + Nitrided
Alteration details D P.167
Alterations
Code
Spec.
Alterations
Code
Spec.
Head diameter change HC = 0.1mm increments E D + 1 ≦ HC < H
Key flat cutting (angled) AKC = 1° increments E 0 ≦ AKC < 360 E When combined with KSA/WSA, 90° increments only Two parallel flats cutting (angled) AWC = 1° increments E 0 ≦ AWC < 360 E When combined with KSA/WSA, 90° increments only Two right angled flats cutting (angled) ARC = 1° increments E 0 ≦ ARC < 360 E When combined with KSA/WSA, 90° increments only Three flats cutting (angled) ADC = 1° increments E 0 ≦ ADC < 360 E When combined with KSA/WSA, 90° increments only
0 °
0 °
HC
4mm
AKC
270 °
90 °
Head diameter change (precision) HCC = 0.1mm increments E D + 1 ≦ HCC < H–0.3
JIS (6/8mm)
180 °
Part Number
HCC
T P/W Tolerance
Head Thickness
0 °
Top surface 2 places R 4 places R ERVLWR ERVLFR
0 °
P/W 0
Head thickness change TC = 0.1mm increments E 2.0 ≦ TC < 4 E Dimension N becomes shorter by (4 – TC). (Dimension L remains unchanged) E 4 – TC ≦ Lmax. – L Dowel hole boring NC = 90° increments E Available when H ≧ 4 X Combination with other than NHC/NHN/TMC not available Range of designation/Designation method/ Details of standards: D P.167 Dowel hole + Spring pin driving NCW = 90° increments E Available when H ≧ 4 X Combination with other than NHC/NHN/TMC not available Range of designation/Designation method/ Details of standards: D P.167 Numbering on the head Range of designation/Designation method: D P.168 Automatic sequential numbering on the head Range of designation/Designation method: D P.168
0 –0.005
–0.01
AWC
4mm (T4)
270 °
90 °
ERVLWR
ERVLFR
0 － 0.02 TC
TC
P/W 0
180 °
(Top surface 2 places R)
(R in 4 places)
–0.02
20
4
0 °
0 °
（ D ≦ 2 R ≦ 0.3 ） R ≦ 0.5
P/W 0
(R machining range)
–0.005
Step R
ARC
± 0.01 R
± 0.01 R
4 － ± 0.01 R
270 °
90 °
0 °
0 °
P/W 0
180 °
–0.003
NC
270 °
90 °
0 °
0 °
Standard size
180 °
0 － 0.005 P ≧ W
－ 0.005 0
0 － 0.02 4 ＝
ADC
P
P
270 °
90 °
T
＋ 5 0
2 2 W ＋ K P ＝ (Dimension before R-machining) M Material SKH51 H Hardness 58–60HRC Range of guaranteed retention diameter (D) precision/base material hardness/Step R (Details D P.165 )
0 － 5
（ L － N ）
Total Length Designation Free designation
N
180 °
＋ 0.02 0
0 °
0 °
0 °
L
Two flats cutting (angled) KGA = 1° increments E 0 < KGA < 360
NCW
270 °
90 °
KGA
90 °
270 °
E R ± 0.01 is the target value for machining. Adjustment with the mounting hole side is required.
180 °
N dimension short
180 °
90 °
Two flats cutting (angled) KGD = 1° increments E 0 < KGD < 360 E Pay attention to the standard position of 0°.
Part Number
L 0.01mm increments 60.00–100.00 100.01–150.00 60.00–100.00 100.01–150.00 60.00–100.00 100.01–150.00 150.01–200.00 60.00–100.00 100.01–150.00 150.01–200.00
0 °
Angular pin
H T
P
W
R
N
KGD
180 °
5 2 3
Type D
D/2
NHC
5
270 °
40 50 60
Rectangular R dimension
0.6 0.7 0.8 1.0 1.2 0.30.40.50.6
1.5
3
50 60 70 75 80 90
Shoulder cutting (1 plate) KSA = 0.1mm increments E W/2 + 0.1 ≦ KSA ≦ D/2–0.1 Shoulder cutting (2 parallel plates) WSA = 0.1mm increments E W/2 + 0.1 ≦ WSA ≦ D/2–0.1
Tip process
40 50 60
KSA
1
2
3
1.0 1.2 1.5 1.6 1.8 0.30.40.50.60.70.81.0
2
4
NHN
50 60 70 80 90 100
40 50 60
Caulking type
0.4 0.5 0.6 0.7 0.8 1.0 1.2
2.5
1.5 1.6 2.0
50 60 70 80 90 100 50 60 70 80 90 100
5
WSA
0.4 0.5 0.6 0.7 0.8 1.0
Rectangular shank
Lapping on the tip face X Not available for L–N ≦ 31
TMC
L
40 50 60
0.05
0.4 0.5 0.6 0.7 0.8 1.0 1.2
3
2.0 2.5
50 60 70 80 90 100 60 70 80 90 100
6
D shaped
0.4 0.5 0.6 0.7 0.8 1.0
(C recess processing at 2 points on top)
0.1
2.5 3.0 2.5 3.0 2.5 3.0 3.0 3.5 3.0 3.5 3.0 3.5
0.4 0.5 0.6 0.7 0.8 1.0 1.2 1.5 2.0 0.4 0.5 0.6 0.7 0.8 1.0 1.2 1.5
Blade edge shape
60.00–100.00
40 50 60
CSW, CSF: Range of designation W CSW, CSF 1.0 ≦ W < 1.5 0.3
C chamfering processing at 2 points on top (except tip) for relief is performed. Designation method CSW1 – E25
2 － CSW
R
0.15
100.01–150.00
0.4 0.5 0.6 0.7 0.8 1.0 1.2 1.5
50 60 70 80 90 100
3.5
ERVLWR (Top surface 2 places R)
CSW
0.5 1 1.5
150.01–200.00
0.4 0.5 0.6 0.7 0.8 1.0 1.2
60 70 80 90 100
4
W ≧ 1.5
0.2
＋ 5 0
ERVLFR (4 places R)
7
P
(C processing range)
E
N
0.4 0.5 0.6 0.7 0.8 1.0 1.2 0.4 0.5 0.6 0.7 0.8 1.0 1.2 0.4 0.5 0.6 0.7 0.8 1.0 1.2 0.4 0.5 0.6 0.7 0.8 1.0 1.2
2.0
60.00–100.00
40 50 60
E P ≧ 1.5 E CSW, CSF < W/2 E = 1mm increments E 5 ≦ E ≦ (L–N)–20 E R process range D P.168 E RC processing is prioritized when combining with RC.
0.3
2.0
100.01–150.00
50 60 70 80 90 100
4
(C recess at 4 points)
C chamfering processing at 4 points (except tip) for
R ≦ W –
150.01–200.00
0.4 0.5 0.6 0.7 0.8 1.0 1.2
60 70 80 90 100
2 –0.05
4 － CSF
R
100.00–150.00 150.01–200.00 100.00–150.00 150.01–200.00 100.00–150.00 150.01–200.00 100.00–150.00 150.01–200.00
40 50 60 70 80 90
CSF
relief is performed. Designation method CSF0.5 – E30
4.5
4.0
0.6 0.8 1.0 1.2 1.5
60 70 80 90 100
8
50 60 70 80 90
5
4.0
0.8 1.0
2.0
＋ 5 0
P
60 70 80 90 100
(C processing range)
E
N
50 60 70 80 90
5.5
5.0
0.5 0.6
1.0
70 80 90 100
9
Designate the length of R processed part 5 ≦ RC ≦ (L – N) – 30 and RC ≦ 40 RC = 1mm increments Designation method RC25 E Adds RC recess processing at all places R processed.
50 60 70 80 90
6
5.0
0.8 1.0
1.5
75 80 90 100
E Select the R dimension within the range of R ≦ W –
2 –0.05. E L–N ≧ 20
RC
P
N
Precision Standard
RC
PartNumber– L – P – W – R – N ERVLFR 3 –200.00– P2.0 – W0.8 – R0.1 – N100
Order
Pmin. Pmax.
Squareness of the tip corner
W plane as the base (Pmax. – Pmin.) ≦ 0.01
Quotation
① In case of divisions
Select the R size according to the corner R of the wire cut caused by cavity core processing, etc.
Delivery
② In case of wire through hole Cavity core
Example
Cavity core
Rmax. ≦ 0.03 (deburring R) E Corner R value outside R processing range The tip corners have been slightly trimmed to measure the P/W dimensions. (Details D P.166 )
Rmax.
Corner R value of the tip corner
R-chamfered E pin
R-chamfered E pin
Cavity core
183
184
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