High Speed Steel SKH51
RECTANGULAR EJECTOR PINS –FREE DESIGNATION TYPE–
P/W 0
–0.01 Free designation
Part Number – L – P – W – N – (AKC/AWC … etc.) ERF5 – 120.25 – P3.50 – W1.50 – N60 – AWC60 Quotation
High Speed Steel SKH51
Alterations
Alteration details D P.167
Dies Steel SKD61 + Nitrided
Alterations
Code
Spec.
Alterations
Code
Spec.
Head diameter change HC = 0.1mm increments E D + 1 ≦ HC < H E Available when D ≧ 1.5
Key flat cutting (precision) VAK = 45° increments E 0 ≦ VAK < 360 X Combination with KSA/WSA not available Two parallel flats cutting (Precision) VAW = 45° increments E 0 ≦ VAW < 360 X Combination with KSA/WSA not available 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
VAK
4mm
90 °
270 °
180 °
JIS (6/8mm)
Part Number
Head Thickness T P/W Tolerance
Head diameter change (precision) HCC = 0.1mm increments E D + 1 ≦ HCC < H–0.3 E Available when D ≧ 1.5 Head thickness change TC = 0.1mm increments E T/2 ≦ TC < T (Dimension L remains unchanged) E T–TC ≦ Lmax.–L, D ≧ 1.5
0 °
0 °
ERF
HCC
4mm (T4)
VAW
0 –0.01
P/W 0
270 °
90 °
–0.01
ERJF
4/6/8mm (JIS)
180 °
P/W 0
–0.02
R ≦ 0.5
0 °
0 － 0.02 TC
TC
0 °
Step R
（ D ≦ 2 R ≦ 0.3 ）
P/W 0
AKC
–0.005
90 °
270 °
T
2 W ＋ K P ＝ P ≧ W
180 °
P/W 0
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
–0.003
2
0 °
0 °
0 － 0.02
Standard size
0 °
） － 0.05 0
－ 0.01 0
（ L ＞ 300 T
0 °
NC
T
P
270 °
90 °
＋ 5 0
AWC
0 － 5
（ L － N ）
270 °
90 °
N
180 °
Total Length Designation Free designation
＋ 0.02
M Material SKH51 H Hardness 58–60HRC Range of guaranteed retention diameter (D) precision/base material hardness/Step R (details D P.165 )
＋ 0.05 0
180 °
）
0 （ L ＞ 200
L
L
0 °
0 °
0 °
0 °
ARC
270 °
90 °
Head thickness 4mm
Head thickness JIS
N dimension short
NCW
270 °
90 °
Part Number
0.01mm increments
180 °
N 1mm increments
180 °
Kmax.
Nmin.
Angular pin
Head thickness 4 mm
Head thickness JIS
H T H T
D
L
P
W
0 °
0 °
Rectangular R dimension
1.1 1.2 1.3 1.4
0.30– 0.90 0.30– 1.00 0.30– 1.10 0.30– 1.20
1.0 1.1 1.2 1.3 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 8.4 9.9
ADC
270 °
90 °
5 2 3
NHC
5
Tip process
10 ≦ (L – N) ≦ 150
40.00–200.00
0.20–
–
– –
180 °
3
23
0 °
Caulking type
1
2
3
Two flats cutting (angled) KGA = 1° increments E 0 < KGA < 360
NHN
1.5 40.00–250.00 0.50– 1.30
3 4 5 6 7
KGA
90 °
270 °
Rectangular shank
2
0.80– 1.80 0.80– 2.30 0.80– 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 2.30– 8.30 3.00– 9.80 3.00–10.30
4 5 6
40.00–300.00
180 °
2.5
26
4
Lapping on the tip face E Available when P ≧ 0.6 E Not available for L–N ≦ 31 Total length tolerance alteration L + 0.02 0 c + 0.01 0 E Available when L ≦ 200
90 °
TMC
Two flats cutting (angled) KGD = 1° increments E 0 < KGD < 360 E Pay attention to the standard position of 0°.
D shaped
0.30–
3
L
27
0 °
KGD
180 °
3.5
Blade edge shape
40.00–350.00
7
D/2
4
270 °
8
29
ERF (Head thickness 4mm)
LKC
4.5
4
L
Shoulder cutting (1 plate) KSA = 0.1mm increments E W/2 + 0.1 ≦ KSA ≦ D/2–0.1 E D ≧ 1.5 Shoulder cutting (2 parallel plates) WSA = 0.1mm increments E W/2 + 0.1 ≦ WSA ≦ D/2–0.1 E D ≧ 1.5
8
5
0.40–
9
31
KSA
Tapping D8/8.5 c M4 D10/10.5 c M5 D12/15 c M6 E Only available combination is with CSW/CSF/TMC X Not available for ERF E Available when D ≧ 8
5.5
6
MC
ERJF (Head thickness JIS)
10 ≦ (L – N) ≦ 250
9
6
10
33
MC
6.5
M × 1
10
11
7 8
WSA
C recess processing at 2 points on top
50.00–350.00
0.50–
11 14 15
13 14 15
2 － CSW R
C chamfering processing at 2 points on top (except tip) for relief is performed. Designation method CSW1 – E25
8.5
CSW, CSF: Range of designation W CSW, CSF 1.0 ≦ W < 1.5 0.3
40
10
CSW
8
10.5
10.4 11.9 14.9
17
17
＋ 5 0
0.5 1 1.5
12 15
3.50–11.80 0.80– 3.50–14.80 1.00–
P
E
N
C processing range
W ≧ 1.5
–
– – 20
E P ≧ W
E Designate P/W dimensions within the Kmax. K = P 2 + W 2
(C recess at 4 points)
E P ≧ 1.5 E CSW, CSF < W/2 E = 1mm increments E 5 ≦ E ≦ (L–N)–20
4 － CSF R
C chamfering processing at 4 points (except tip) for relief is performed. Designation method CSF0.5 – E30
Precision Standard
PartNumber – L – P – W – N ERF5 – 120.25 – P3.50 – W1.50 – N60
Order
CSF
Pmin. Pmax.
Squareness of the tip corner
＋ 5 0
W plane as the base (Pmax.–Pmin.) ≦ 0.02
P
E
C processing range
N
Quotation
Delivery
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
171
172
Powered by FlippingBook