Precision
High Speed Steel SKH51
PRECISION RECTANGULAR EJECTOR PINS WITH TIP PROCESS
P/W 0
–0.005 Free designation
Part Number – L – P – W – N – In the order of V/A/C/R/G – (AKC/AWC … etc.) ERV1X4 – 150.00 – P3.00 – W1.00 – N50 – G15 – NHC – 3 Quotation
High Speed Steel SKH51 High Speed Steel SKH51
Alterations
Alteration details D P.167
Dies Steel SKD61 + Nitrided
Alterations
Code
Spec.
Alterations
Code
Spec.
0 °
0 °
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
Head diameter change HC = 0.1mm increments E D + 1 ≦ HC < H
4mm
AKC
HC
270 °
90 °
JIS (6/8mm) JIS (6/8mm)
180 °
0 °
0 °
Part Number
Head Thickness T P/W Tolerance
T Tolerance Unit of designation G ± 10́ ′ 1° increments R ± 0.05 0.1mm increments A ± 0.02 0.01mm increments V ± 0.02 0.01mm increments C ± 0.02 0.01mm increments
Head diameter change (precision) HCC = 0.1mm increments E D + 1 ≦ HCC < H–0.3
AWC
HCC
ERV □ X/ERV □ Y ERVJ □ X/ERVJ □ Y
P/W 0
270 °
90 °
4mm (T4)
0 –0.005
–0.01
4/6/8mm (JIS)
180 °
P/W 0
P.189/190
Select a tip shape from
–0.02
Head thickness change TC = 0.1mm increments E T/2 ≦ TC < T (Dimensions L and N remain unchanged) E T – TC ≦ Lmax. – L
0 °
0 °
R ≦ 0.5
P/W 0
0 － 0.02 TC
ARC
TC
270 °
90 °
Step R
–0.005
（ D ≦ 2
R ≦ 0.3 ）
T
180 °
P/W 0
K ＝ P 2 ＋ W 2
P ≧ W
–0.003
Dowel hole boring NC = 90° increments E Available when H ≧ 4
0 °
0 °
M Material SKH51 H Hardness 58–60HRC Range of guaranteed retention diameter (D) precision/base material hardness/Step R (Details D P.165 )
0 °
0 °
Standard size
－ 0.02 0
T
＋ 5 0
0 －
ADC
NC
（ L － N ）
90 °
270 °
－ 5 0
P
270 °
90 °
N
X Combination with other than NHC/NHN not available Range of designation/Designation method/Details of standards: D P.167
0.005
Total Length Designation Free designation Free designation
L ＋ 0.05 0
180 °
180 °
Dowel hole + Spring pin driving NCW = 90° increments E Available when H ≧ 4
Head thickness 4mm
Head thickness JIS
N 1mm increments
0 °
0 °
0 °
Part Number
0.01mm increments
Two flats cutting (angled) KGA = 1° increments E 0 < KGA < 360
Kmax.
Nmin.
N dimension short
KGA
NCW
90 °
90 °
270 °
X Combination with other than NHC/NHN 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
270 °
H T H T
Type
Tip shape D
L
P
W
180 °
180 °
Angular pin
＊ 1.5
0.80–1.30 0.80–1.80 0.80–2.30 1.00–2.80 1.00–3.30 1.00–3.80 1.20–4.30 1.50–4.80 1.80–5.30 2.00–5.80 2.00–6.30 2.30–6.80 2.30–7.80 3.00–9.80
1.4 1.9 2.4 2.9 3.4 3.9 4.4 4.9 5.4 5.9 6.4 6.9 7.9
3 4 5 6
– –
50.00–250.00
2
4 5 6 7
90 °
Rectangular R dimension
Two flats cutting (angled) KGD = 1° increments E 0 < KGD < 360 E Pay attention to the standard position of 0°.
0 °
2.5
5 2 3
KGD
NHC
180 °
4
5
1X 1Y 2X 2Y 3X 3Y 4X 4Y 5X 5Y 6X 6Y 7X 7Y
D/2
Tip process
3
0.60–
N ≧ 33 (L ＞ 200 c
270 °
3.5
7
Caulking type
ERV (Head thickness 4mm)
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
4
Automatic sequential numbering on the head Range of designation/Designation method: D P.168
N ≧ 50)
1
2
3
KSA
NHN
8
4.5
(L – N) ≧ 20 (L – N) ≦ 200
Rectangular shank
8
4
5
ERVJ (Head thickness JIS)
9
E ERVJ Available when D ≧ 8 E Only available combination is with CSW/CSF CSW, CSF: Range of designation W CSW, CSF 1.0 ≦ W < 1.5 0.3 W ≧ 1.5 0.5 1 1.5 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
MC
Tapping
5.5
50.00–300.00
6
D shaped
9
D8 c M4 D10 c M5
WSA
MC
6
10
M × 1
Blade edge shape
6.5
0.80–
10
11
N ≧ 40 (L ＞ 200 c
7 8
(C recess processing at 2 points on top)
11 15
13 15
2 － CSW R
N ≧ 50)
C chamfering processing at 2 points on top (except tip) for relief is performed. Designation method CSW1 – E25
8
10
9.9 E ＊ D1.5 is standard dimension only for ERV □□ . E Designate P/W dimensions within the Kmax. K = P 2 + W 2 E P ≧ W E Select tip shape 1X–7Y from D P.189 / 190 .
CSW
＋ 5 0
P
Part Number
E
N (C processing range)
In the order of V/A/C/R/G
– L – P – W – N –
Order
Type Tip shape D ERV 1X
(C recess at 4 points) 4 － CSF R
G15
4–150.00–P3.00–W1.00–N50–
C chamfering processing at 4 points on top (except tip) for relief is performed. Designation method CSF0.5 – E30
Precision Standard
CSF
Delivery Quotation
Pmin. Pmax.
＋ 5 0
P
E
Squareness of the tip corner
N (C processing range)
W plane as the base (Pmax. – Pmin.) ≦ 0.01
Rmax. ≦ 0.03 (deburring R) E 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
193
194
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