Die Steel SKD61 D 0 –0.005 / –0.01 –0.02
ONE–STEP CENTER PIN – SHAFT DIAMETER (D) FIXED TIP (A/V) TOLERANCE ± 0.01 / ± 0.02 TYPE –
Standard
Standard
Type
Designation 0.01 mm unit
0.1 mm unit
T Tolerance D
Flange thickness (T)
ℓ max.
H
Applicable ejector sleeve hole diameter tolerance
4 mm JIS (6/8 mm) Nitriding Die Steel SKD61 High Speed Steel SKH51 Die Steel SKD61 +
Type
Type
Step Shape
D
L
F
A
Vmin. 0.50
C/R
1.5
3 4 5 6
20 25 30 35 40 45
+ 0.005 0 Details D P.219
70.00 – 200.00
No need to designate if no tip processing is required
0 –0.005
CPP–5
2
Step D only 0.1 ≦ C ≦ 1.5 and C ＜ D–A 2 Step E only R ≧ 0.3 and R ≦ D–A 2
0.70
70.00 – 250.00
2.5
3
4 mm (T4)
CPD–5
3.5
1.00
+ 0.01
D ＞ A ≧ V
7
70.00 – 300.00
–0.01 –0.02
0 or H7 Details D P.219
C G T R B
A B C D E
4
CPP–5 CPD–5 CPDK–5
4.5
CPDK–5
M material SKD61 H hardness 50 – 55 HRC Range of guaranteed shaft diameter precision (Details D P.221 ) Range of guaranteed base material hardness (Details D P.223 ) Step (step shape) Select from A – E in the figure below
Step A If selected, no need to designate A
1.50
8
F ≧ 50.00
5
5.5
9
Shape (Tip shape: V is a dimension prior to tip machining.)
6
6.5 7
50
10
70.00 – 500.00
2.00
(Not processed)
No need to designate Shape if no tip processing is required
R ≦ 0.5 （ D ≦ 2
R ≦ 0.3 ）
8
11 15 17
Step A
D (P) –0.01 –0.02
Select from the figure on the right
Shape
10 12
D (P) 0
α＝ 0
–0.005
E For ℓmin. refer to the standard diagram
Total Length Designation Shaft Diameter(P) Total Length Designation
Type – L – F – A – V – C (R) – Tip dimension (K/S/G/Q) CPP–5EB6 – 350.00 – F330.00 – A5.00 – V4.50 – R0.5
0
－ 0.02 0
（ L ＞ 300
T ＝ 4
）
T ＝ 4
－ 0.05
Order
L
＋ 0.05
ℓ
ℓ≧ 0 . 5 ＋α
F 0 （ ＋ 0.02 L 0
＋ 0.05
L ＞ 200
）
0 L
0 . 5 ≦ G ＜ V / 2 Designation 0.1 mm unit α＝ G θ＜ 45 °
C
(C chamfered)
Two– stepshape
Quotation
Delivery
± 0.05
G
45 ° ± 30 ′
R ≦ 0.5 （ D ≦ 2
R ≦ 0.3 ）
Step B
R ≦ 0.2
Shape
θ
Steppedon –step
– Tip dimension (K/S/G/Q) – (KC/WKC … etc.)
Type
–L–F–A–V–C(R)
(Calculation of θ
) P.1193
Alterations
–
KC3.0 Alteration details D P.287
CPP–5EB6 – 350.00 – F330.00 – A5.00 – V4.00 – R0.5
Stepped two–step
G
Alteration Code
Details
L
Alteration Code
Details
0
－ 0.02 0
T ＝ 4
）
（ L ＞ 300
T ＝ 4
－ 0.05
Changes the flange thickness TC = Designation 0.1 mm unit E 2.0 ≦ TC ＜ 4 (Dimensions L, F remains unchanged) E 4−TC ≦ Lmax.−L
＋ 0.02 F 0
） 0 F ＋ 0.05
F ＞ 200
（
G (Cone)
ℓ
ℓ≧ 0 . 7 ＋α
Single flat cutting D/2 ≦ KC ＜ H/2
KC
KC － 0.1 0
＋ 0.02 L 0
） 0 L ＋ 0.05
L ＞ 200
（
TC
TC
K ° ± 30 ′ θ
Designation 1° unit 20 ＜ K ≦ 60 α＝ 2tanK V
4
WKC Two flats cutting D/2 ≦ WKC ＜ H/2
R ≦ 0.5 （ D ≦ 2
R ≦ 0.3 ）
R ≦ 0.2
Step C
Shape
＋ 0.1
0 － 0.1
Dowel hole boring E Available when H ≧ 4 X Combination except for NHC/NHN/AC/RR not available Dowel hole boring + Spring pin driving E Available when H ≧ 4 X Combination except for NHC/NHN/AC/RR not available
θ＜ K
2 0
Ks ＝ 45 °
WKC
NC
About designation unit for key flat cutting
Varied dimensions parallel flats cutting D/2 ≦ KAC ＜ H/2 KBC = Designation 0.1 mm unit only KAC ＜ KBC ＜ H/2
L ± 0.05
4
(Calculation of θ
) P.1193
KAC KBC
－ 0.1 0
－ 0.1 0
KAC
KBC
2
When AC alteration is used D － A ＋ 0 . 5 ＋α ℓ≧ 2 D － A ＋ 0 . 5 ＋α ℓ≧ 2tanAC
T
－ 0.02 0
0
（ L ＞ 300
T ＝ 4
）
T ＝ 4
NCW
(1) To align the key flat with the shaft diameter Designation unit 0.05 mm unit is allowed
－ 0.05
0 . 1 ≦ S ＜
V 2tanK
S ± 0.05
4
＋ 0.02 F 0
） 0 F ＋ 0.05
θ
F ＞ 200
（
ℓ
Two flats (right angled) cutting D/2 ≦ RKC ＜ H/2
K ° ± 30 ′
RKC
Designation 0.1 mm unit
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
＋ 0.02 L 0
） 0 L ＋ 0.05
L ＞ 200
（
RKC － 0.1 0
217
NHC
Designation 1° unit 20 ＜ K ≦ 45 α＝ S θ＜ K
R ≦ 0.2 R ≦ 0.2
Step D
R ≦ 0.5 （ D ≦ 2
R ≦ 0.3 ）
Shape
C
DKC Three flats cutting D/2 ≦ DKC ＜ H/2
± 0.05
(2) To designate arbitrary key flat dimensions Designation unit 0.1 mm
C
1
2
3
0 － 0.1
NHN
Ks ＝ 45 °
L
DKC
DKC
(Calculation of θ
) P.1193
AG °
Two flats (angled) cutting D/2 ≦ KGC ＜ H/2 AG = Designation 1° unit 0 ＜ AG ＜ 360
R
(R chamfered)
± 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
Designation 0.1 mm unit 0 . 2 ≦ Q ＜ V / 2 α＝ Q
AC °
0 °
KGC
AC
Q ± 0.1
－ 0.02 0
0
KGC
（ L ＞ 300
T ＝ 4
）
T ＝ 4
－ 0.05
ℓ≧ C ＋ 0 . 5 ＋α
＋ 0.02 F 0
0 ） F ＋ 0.05
F ＞ 200
（
ℓ
120 ° 120 °
Three flats cutting 120° distribution D/2 ≦ KTC ＜ H/2
－ 0.1 120 ° 0
Q
RR
＋ 0.02 L 0
KTC
0 ） L ＋ 0.05
L ＞ 200
（
RR
KTC
L
R ≦ 0.5 （ D ≦ 2
R ≦ 0.3 ）
Shape
Changes the flange diameter HC = Designation 0.1 mm unit E D ≦ HC ＜ H
Step E
R
± 0.1
SR B (Spherical processed)
HC
E In relation to the diameter tolerance, alteration may create a straight piece with little diameter difference between the head and shaft.
α＝ V / 2
－ 0.02 0
0
T ＝ 4
（ L ＞ 300
T ＝ 4
）
－ 0.05
Changes the flange diameter (precision) HCC = Designation 0.1 mm unit E D + 0.5 ≦ HCC ＜ H−0.3
HCC
＋ 0.02 F 0
＋ 0.05
ℓ
F ＞ 200
（
）
ℓ≧ R ＋ 0 . 5 ＋α
0 F
± 0.05 L
＋ 0.02 L 0
＋ 0.05
L ＞ 200
（
）
0 L
Step (Step shape A/V/Ks) T tolerance
Type Flange thickness 4 mm
Step A Step B
Step C
Step D
Step E
Group
A / V
V
A/V
A/V
Ks
Ks
A
V
CPP–5 □ CPD–5 □ CPDK–5 □
± 0.01 ± 0.02 ± 0.01
± 0.01 ± 0.02 ± 0.01
± 0.01 ± 0.02 ± 0.01
± 1° ± 1° ± 1°
± 0.01 ± 0.02 ± 0.01
± 1° ± 1° ± 1°
± 0.02
± 0.01 ± 0.02 ± 0.01
Standard
± 0.02
315
316
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