Die Steel SKD61 + Nitriding P –0.01 –0.02
ONE–STEP CENTER PIN –SHAFT DIAMETER (P) 0.1 mm DESIGNATION TIP (A/V) TOLERANCE ± 0.01 / ± 0.02 TYPE –
Standard
P Designation 0.1 mm unit 1.5 – 1.9 2.0 – 2.4 2.5 – 2.9 3.0 – 3.4 3.5 – 3.9 4.0 – 4.4 4.5 – 4.9 5.0 – 5.4 5.5 – 5.9 6.0 – 6.4 6.5 – 6.9 7.0 – 7.9 8.0 – 9.9 10.0 – 11.9 12.0 – 14.9 15.0 – 15.9
L Designation 0.01 mm unit
Type
Designation 0.01 mm unit 0.1 mm unit
Flange thickness 4 mm
Flange thickness JIS
T Tolerance Flange thickness (T)
Flange thickness (T)
T Tolerance P
Applicable ejector sleeve hole diameter tolerance
4 mm JIS (6/8 mm) Nitriding Die Steel SKD61 High Speed Steel SKH51 Die Steel SKD61 +
ℓ max .
Type
Type
H T H T
Step Shape No.
F
A Vmin.
C/R
Flange thickness 4 mm Flange thickness JIS
2
No need to designate if no tip processing is required
4 5 6
4 5 6 7
25 30 35 40 45
CPNG–5
0 –0.02 ( L ＞ 300 c T 0
70.00 – 400.00
0.70
4 mm (T4)
2.5
–0.05 )
4
–0.01 –0.02 E P > 12
+ 0.01 0
CPNKG–5
3
or H7
Step D only 0.1 ≦ C ≦ 1.5 and
3.5
1.00
70.00 – 400.00
7
CPJG–5
Details D P.219
4
–0.01 –0.03
c P
8
4/6/8 mm (JIS)
0 –0.05
4.5
SKD61 + Nitriding
Range of guaranteed shaft diameter precision (Details D P.221 ) Nitriding surface hardness guaranteed range (Details D P.224 )
A B C D E
M material
C G T R B
P ＞ A ≧ V Step A If selected, no need to designate A
1.50
8
CPNG–5 CPNKG–5
CPJKG–5
Range of guaranteed base material hardness (Details D P.223 ) Base material 40 – 45 HRC E Nitriding treatment is not applied to the tip–shaped part (ℓ part).
H hardness Surface 900 HV –
5
9
4
CPJG–5 CPJKG–5
C– P – A 2 Step E only R ≧ 0.3 and
5.5
6
F ≧ 50.00
9
6
10
Shape (Tip shape: V is a dimension prior to tip machining.)
Step (step shape) Select from A – E in the figure below
6.5
10
11
7 8
50
70.00 – 500.00
2.00
No need to designate Shape if no tip processing is required
R ≦ 0.5 （ P ≦ 2
R ≦ 0.3 ）
(Not processed)
Step A
11 15 17
13 15 17 20 21
Select from the figure on the right
Shape
D (P) –0.01 –0.02
10 12 15 16
P – A 2
R ≦
8
D (P) 0
α＝ 0
–0.005
– –
–
2.50
Total Length Designation Shaft Diameter(P) Total Length Designation
E For ℓmin., refer to the standard diagram E Step E is P ≧ 2.0
T
L
＋ 0.05
ℓ
ℓ≧ 0 . 5 ＋α
F 0 （ ＋ 0.02 L 0
Type – L – P – F – A – V – C (R) – Tip dimension (K/S/G/Q) CPJG–5EG 6 – 350.00 – P5.9 – F330.00 – A4.80 – V4.00 – R0.5 – K30
L ＞ 200
）
＋ 0.05
Order
0 L
0 . 5 ≦ G ＜ V / 2 Designation 0.1 mm unit α＝ G θ＜ 45 °
C
(C chamfered)
Two– stepshape
± 0.05
G
45 ° ± 30 ′
R ≦ 0.5 （ P ≦ 2
R ≦ 0.3 ）
R ≦ 0.2
Step B
Shape
θ
Steppedon –step
Quotation
Delivery
(Calculation of θ
) P.1193
Stepped two–step
– Tip dimension (K/S/G/Q) – (KC/WKC … etc.)
Type
– L – P
F–A–V–C(R)
–
Alterations
G
–
KC3.0
K30
CPJG–5EG 6 – 350.00 – P5.9 – F330.00 – A4.80 – V4.00 – R0.5 –
L
T
Alteration details D P.287
（ ＋ 0.02 F 0
＋ 0.05
F ＞ 200
ℓ
）
0 F
G (Cone)
Alteration Code
Details
Alteration Code
Details
ℓ≧ 0 . 7 ＋α
（ ＋ 0.02 L 0
＋ 0.05
L ＞ 200
）
0 L
Changes the flange thickness TC = Designation 0.1 mm unit E T/2 ≦ TC ＜ T (Dimensions L, F remains unchanged) E T–TC ≦ Lmax.–L Dowel hole boring X Combination except for NHC/NHN/AC/RR not available Dowel hole boring + Spring pin driving X Combination except for NHC/NHN/AC/RR not available Numbering on the head Designation range and method: D P.288 E Available when H ≧ 2 Automatic sequential numbering on the head Designation range and method: D P.288 E Available when H ≧ 2
K ° ± 30 ′ θ
Single flat cutting P/2 ≦ KC ＜ H/2
20 ＜ K ≦ 60 α＝ 2tanK V θ＜ K Designation 0.1 mm unit
KC
TC
0
KC － 0.1 0
－ 0.05 TC
R ≦ 0.5 （ P ≦ 2
R ≦ 0.3 ）
R ≦ 0.2
Step C
Shape
T
Ks=45 °
WKC Two flats cutting P/2 ≦ WKC ＜ H/2
＋ 0.1 d 0
T d ℓ 4 2 3 6 3 5 8 T d ℓ 1 4 2 5 6 3 8
L
(Calculation of θ
) P.1193
0 － 0.1
NC
WKC
About designation unit for key flat cutting
T
P － A ＋ 2 P － A ＋ 2tanAC
T
ℓ≧
0 . 5 ＋α
(Tapered)
Varied dimensions parallel flats cutting P/2 ≦ KAC ＜ H/2 KBC = Designation 0.1 mm unit only KAC ＜ KBC ＜ H/2
T
KAC KBC
V 2tanK 0 . 1 ≦ S ＜ Designation 0.1 mm unit
S ± 0.05
d
F ＞ 200
＋ 0.05
（ ＋ 0.02 F 0
）
ℓ
－ 0.1 0
－ 0.1 0
θ
0 F
KAC
KBC
NCW
(1) To align the key flat with the shaft diameter Designation unit 0.05 mm unit is allowed
When AC alteration is used
K ° ± 30 ′
L ＞ 200
＋ 0.05
（ ＋ 0.02 L 0
）
ℓ≧
0 . 5 ＋α
0 L
T
20 ＜ K ≦ 45 α＝ S θ＜ K Designation 1° unit
Two flats (right angled) cutting P/2 ≦ RKC ＜ H/2
RKC
R ≦ 0.2 R ≦ 0.2
R ≦ 0.5 （ P ≦ 2
R ≦ 0.3 ）
Shape
Step D
C
RKC － 0.1 0
± 0.05
217
C
NHC
Ks ＝ 45 °
L
(Calculation of θ
) P.1193
(2) To designate arbitrary key flat dimensions Designation unit 0.1 mm
DKC Three flats cutting P/2 ≦ DKC ＜ H/2
R
(R chamfered)
0 . 2 ≦ Q ＜ V / 2 α＝ Q Designation 0.1 mm unit
1
2
3
0 － 0.1
NHN
DKC
DKC
Q ± 0.1
T
Two flats (angled) cutting P/2 ≦ KGC ＜ H/2 AG = Designation 1° unit 0 ＜ AG ＜ 360
AG °
± 0.5
ℓ≧ C ＋ 0 . 5 ＋α
Standard Ks = 45° can be specified as an angle AC ＝ designation 1° unit E 30 ≦ AC ≦ 60 E Step Applicable to C/D X Combination with RR not available E Step For D, C ≦ 1.0, A + 2 (C × tanAC°) ＜ D Changes R (normally 0.2 or less) to R0.3 - 0.5 (for Strength improvement) Designation method RR E Step Applicable to B/C/D E P−A ≧ 1.0 Step For D, C ≧ 0.5
（ ＋ 0.02 F 0
＋ 0.05
F ＞ 200
ℓ
）
0 F
0 °
KGC
AC °
AC
（ ＋ 0.02 L 0
＋ 0.05
L ＞ 200
）
Q
KGC
0 L
120 ° 120 °
L
Three flats cutting 120° distribution P/2 ≦ KTC ＜ H/2
－ 0.1 120 ° 0
Shape
R ≦ 0.5 （ P ≦ 2
R ≦ 0.3 ）
Step E
RR
KTC
R
± 0.1
RR
KTC
SR B (Spherical processed)
Changes the flange diameter HC = Designation 0.1 mm unit E P ≦ HC ＜ H
HC
α＝ V / 2
E In relation to the diameter tolerance, alteration may create a straight piece with little diameter difference between the head and shaft.
T
＋ 0.05
ℓ
＋ 0.02 F 0
F ＞ 200
（
）
ℓ≧
R ＋ 0 . 5 ＋α
0 F
＋ 0.05
L
＋ 0.02 L 0
L ＞ 200
（
）
0 L
Changes the flange diameter (precision) HCC = Designation 0.1 mm unit E P + 0.5 ≦ HCC ＜ H−0.3
HCC
Step (Step shape A/V/Ks) T tolerance
Type
Step A Step B
Step C
Step D
Step E
Group
V
A/V
A/V
Ks
A/V
Ks
A
V
Flange thickness 4 mm Flange thickness JIS
CPNG–5 □
CPJG–5 □
± 0.02 ± 0.01
± 0.02 ± 0.01
± 0.02 ± 0.01
± 1° ± 1°
± 0.02 ± 0.01
± 1° ± 1°
± 0.02 ± 0.01
± 0.02
Standard
CPNKG–5 □ CPJKG–5 □
309
310
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