Die Steel SKD61 + Nitriding D –0.01 –0.02
ONE–STEP CENTER PIN – SHAFT DIAMETER (D) FIXED TIP (A/V) TOLERANCE ± 0.01 / ± 0.02 TYPE –
Standard
Type
L Designation 0.01 mm unit (L > 500 c 0.1 mm unit)
T Tolerance Flange thickness (T)
Flange thickness 4 mm
Flange thickness JIS
Flange thickness (T)
T Tolerance D
Designation 0.01 mm unit 0.1 mm unit
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
Step Shape D
H T H T
F
A Vmin.
C/R
Flange thickness 4 mm Flange thickness JIS
CPN–5
0 –0.02 ( L ＞ 300 c T 0
1.5 70.00 – 200.00
0.50
3 4 5 6
3 4 5 6 7
20 25 30 35 40 45
4 mm (T4)
No need to designate if no tip processing is required
–0.05 )
2
–0.01 –0.02 E D > 12 or L>500
70.00 – 400.00
0.70
+ 0.01 0
CPNK–5
or H7
2.5
4
3 70.00 – 400.00 (500.00)
Step D only 0.1 ≦ C ≦ 1.5 and C ＜ D–A 2 Step E only R ≧ 0.3 and R ≦ D–A 2
CPJ–5
Details D P.219
3.5
1.00
–0.01 –0.03
4/6/8 mm (JIS)
0 –0.05
c D
7
SKD61 + Nitriding
Range of guaranteed shaft diameter precision (Details D P.221 ) Nitriding surface hardness guaranteed range (Details D P.224 )
M material
4
CPJK–5
8
C G T R B
A B C D E
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).
70.00 – 400.00 (700.00)
H hardness Surface 900 HV –
4.5
D ＞ A ≧ V Step A If selected, no need to designate A
1.50
8
CPN–5 CPNK–5
5
9
4
CPJ–5 CPJK–5
Shape (Tip shape: V is a dimension prior to tip machining.)
5.5 70.00 – 500.00 6 70.00 – 500.00 (700.00)
6
Step (step shape) Select from A – E in the figure below
F ≧ 50.00
9
10
6.5 7
(Not processed)
10
11
R ≦ 0.5 （ D ≦ 2
R ≦ 0.3 ）
No need to designate Shape if no tip processing is required
Step A
Select from the gure on the right
Shape
D (P) –0.01 –0.02
50
8 9
2.00
11 14 15 17
13 14 15 17 20 21
D (P) 0
70.00 – 500.00 (800.00)
–0.005
α＝ 0
10 12 15 16
8
Total Length Designation Shaft Diameter(P) Total Length Designation
T
– –
–
＋ 0.05 0 （ F ＞ 500 F ） ＋ 0.5 0
L
2.50 E Step E is D ≧ 2 E L dimensions in parentheses ( ) are for CPJ–5 and CPJK–5 only. E For ℓmin., refer to the standard diagram
ℓ
ℓ≧ 0 . 5 ＋α
F （ 200 ＜ L ≦ 500
， L ＞ 500
＋ 0.02 0
＋ 0.05
＋ 0.5
）
L
0 L
0 L
0 . 5 ≦ G ＜ V / 2 Designation 0.1 mm unit α＝ G θ＜ 45 °
C
(C chamfered)
Two– stepshape
Type – L – F – A – V – C (R) – Tip dimension (K/S/G/Q) CPJ–5ER 6 – 350.00 – F330.00 – A5.00 – V4.00 – R0.5 – Q1.5
G ± 0.05
Order
45 ° ± 30 ´
R ≦ 0.5 （ D ≦ 2
R ≦ 0.3 ）
R ≦ 0.2
Step B
Shape
θ
Steppedon –step
(Calculation of θ
) P.1193
Stepped two–step
Delivery Quotation
G
L
T
– Tip dimension (K/S/G/Q) – (KC/WKC … etc.)
Type
–L–F–A–V–C(R)
＋ 0.02
0 ＋ 0.05 ，
0 ＋ 0.5
Alterations
L （ 200 ＜ F ≦ 500
F ＞ 500
）
ℓ
0 F
F
F
–
KC3.0
Q1.5
CPJ–5ER 6 – 350.00 – F330.00 – A5.00 – V4.00 – R0.5 –
G
(Cone)
ℓ≧ 0 . 7 ＋α
Alteration details D P.287
， L ＞ 500
（ 200 ＜ L ≦ 500 ＋ 0.02 0
＋ 0.05
＋ 0.5
）
0 L
0 L
± 30 ´ K °
θ
Alteration Code
Details
Alteration Code
Details
Designation 1° unit 20 ＜ K ≦ 60 α＝ 2tanK V
R ≦ 0.2
R ≦ 0.5 （ D ≦ 2
R ≦ 0.3 ）
Step C
Shape
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
Ks=45 °
Single flat cutting D/2 ≦ KC ＜ H/2
θ＜ K
KC
TC
0
KC － 0.1 0
－ 0.05 TC
T
L ± 0.05
(Calculation of θ
) P.1193
D － A ＋ 2 D － A ＋ 2tanAC
WKC Two flats cutting D/2 ≦ WKC ＜ H/2
T d ℓ 4 2 3 6 3 5 8 T d ℓ 1 4 2 5 6 3 8
＋ 0.1 d 0
T
ℓ≧
0 . 5 ＋α
(Tapered)
T
0 － 0.1
NC
0 . 1 ≦ S ＜
V 2tanK
WKC
S ± 0.05
＋ 0.02
0 ＋ 0.05 , F ＞
0 ＋ 0.5
（ 200 ＜ F ≦ 500
）
About designation unit for key flat cutting
ℓ
θ
0 F
F
500
F
T
± 30 ´ K °
When AC alteration is used
Varied dimensions parallel flats cutting D/2 ≦ KAC ＜ H/2 KBC = Designation 0.1 mm unit only KAC ＜ KBC ＜ H/2
Designation 0.1 mm unit
（ 200 ＜ L ≦ 500
）
, L ＞ 500
＋ 0.02
＋ 0.05
＋ 0.5
ℓ≧
0 . 5 ＋α
L
L
L
KAC KBC
0
0
0
d
－ 0.1 0
－ 0.1 0
20 ＜ K ≦ 45 α＝ S θ＜ K Designation 1° unit
(1) To align the key flat with the shaft diameter Designation unit 0.05 mm unit is allowed
KAC
KBC
NCW
R ≦ 0.2 R ≦ 0.2
R ≦ 0.5 （ D ≦ 2
R ≦ 0.3 ）
Shape
Step D
C
± 0.05
T
C
Ks ＝ 45 °
L
Two flats (right angled) cutting D/2 ≦ RKC ＜ H/2
(Calculation of θ
) P.1193
RKC
RKC － 0.1 0
217
NHC
R
(R chamfered)
Designation 0.1 mm unit 0 . 2 ≦ Q ＜ V / 2 α＝ Q
(2) To designate arbitrary key flat dimensions Designation unit 0.1 mm
Q ± 0.1
T
DKC Three flats cutting D/2 ≦ DKC ＜ H/2
ℓ≧ C ＋ 0 . 5 ＋α
1
2
3
0 － 0.1
＋ 0.02 0
0 ＋ 0.5
0 ＋ 0.05 ，
NHN
（ 200 ＜ F ≦ 500
F ＞ 500
）
ℓ
F
F
F
DKC
DKC
（ 200 ＜ L ≦ 500 ＋ 0.02 0
＋ 0.05
＋ 0.5
）
, L ＞ 500
L
0 L
L
Q
Two flats (angled) cutting D/2 ≦ KGC ＜ H/2 AG = Designation 1° unit 0 ＜ AG ＜ 360
0
AG °
± 0.5
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 D−A ≧ 1.0 Step For D, C ≧ 0.5
0 °
AC °
KGC
L
AC
R ≦ 0.5 （ D ＝ 2
R ≦ 0.3 ）
Shape
KGC
Step E
R
± 0.1
B
(Spherical processed)
120 °
Three flats cutting 120° distribution D/2 ≦ KTC ＜ H/2
－ 0.1 120 ° 0
RR
KTC
SR
120 °
RR
KTC
α＝ V / 2
Changes the flange diameter HC = Designation 0.1 mm unit E D ≦ HC ＜ H
T
＋ 0.02
0 ＋ 0.05 ，
0 ＋ 0.5
（ 200 ＜ F ≦ 500
F ＞ 500
）
ℓ
0 F
F
F
ℓ≧ R ＋ 0.5 ＋α
HC
E In relation to the diameter tolerance, alteration may create a straight piece with little diameter difference between the head and shaft.
， L ＞ 500
（ 200 ＜ L ≦ 500 ＋ 0.02 0
＋ 0.05
＋ 0.5
L ± 0.05
）
L
0 L
0 L
Step (Step shape A/V/Ks) T tolerance
Changes the flange diameter (precision) HCC = Designation 0.1 mm unit E D + 0.5 ≦ HCC ＜ H−0.3
Type
HCC
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
CPN–5 □ CPNK–5 □
CPJ–5 □ CPJK–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
307
308
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