Die Steel SKD61 P 0 –0.005 / –0.01 –0.02
ONE–STEP CENTER PINS –SHAFT DIAMETER (P) DESIGNATION (0.01 mm INCREMENTS) TIP (A/V) TOLERANCE : ± 0.01 / ± 0.02 TYPE–
Standard
Standard
Type
Designation 0.01 mm unit
0.1 mm unit
Tolerance P
Applicable ejector sleeve hole diameter tolerance
Flange thickness (T)
T
ℓ max.
H
Type
4 mm JIS (6/8 mm) Nitriding Die Steel SKD61 High Speed Steel SKH51 Die Steel SKD61 +
Type
Step Shape No.
L
P
F
A Vmin.
C/R
1.5 70.00 – 200.00 1.00 – 1.49
0.50
3 4 5 6
20 25 30 35 40 45
+ 0.005 0 Details D P.219
No need to designate if no tip processing is required
0 –0.005
CPPG–5
1.50 – 1.99 2.00 – 2.49 2.50 – 2.99 3.00 – 3.49 3.50 – 3.99 4.00 – 4.49 4.50 – 4.99 5.00 – 5.49 5.00 – 5.99 5.00 – 6.49 6.00 – 6.99 6.00 – 7.99 8.00 – 9.99
2
Step D only 0.1 ≦ C ≦ 1.5 and C ＜ P – A 2 Step E only R ≧ 0.3 and R ≦ P – A 2
0.70
70.00 – 250.00
2.5
3
4 mm (T4)
CPDG–5
A B C D E
C G T R B
3.5
1.00
+ 0.01
70.00 – 300.00
7
–0.01 –0.02
0 or H7 Details D P.219
4
P ＞ A ≧ V
CPPG–5 CPDG–5 CPDKG–5
4.5
CPDKG–5
Range of guaranteed shaft diameter precision (Details D P.221 ) Range of guaranteed base material hardness (details D P.223 )
M Material SKD61
1.50
8
Step A If selected, no need to designate A
F ≧ 50.00
5
H Hardness 50 – 55 HRC
5.5
9
Shape (Tip shape: V is a dimension prior to tip machining.)
6
Step (step shape) Select from A – E in the figure below
6.5
50
70.00 – 350.00
10
7 8
2.00
(Not processed)
No need to designate Shape if no tip processing is required
R ≦ 0.5 （ P ≦ 2
R ≦ 0.3 ）
11 15 17
Step A
D (P) –0.01 –0.02
Shape
Select from the gure on the right
10 12
10.00 – 11.99
α＝ 0
D (P) 0
–0.005
–0.02 , Step E is No.1.5 (P ≧ 1.10) –
For E ℓ min., refer to standard drawing E For P –0.01
Total Length Designation Shaft Diameter(P) Total Length Designation
Type – L – P – F – A – V – C (R) – Tip dimension (K/S/G/Q) CPPG–5ER6 – 350.00 – P5.95 – F330.00 – A4.95 – V4.50 – R0.5 – Q1.5
0
－ 0.02 0
（ L ＞ 300
T ＝ 4
）
T ＝ 4
L
－ 0.05
Order
＋ 0.05
ℓ
ℓ≧ 0 . 5 ＋α
F 0 （ ＋ 0.02 L 0
＋ 0.05
L ＞ 200
）
0 . 5 ≦ G ＜ V / 2 Designation 0.1 mm unit α＝ G θ＜ 45 °
0 L
C
(C chamfered)
Two– stepshape
Delivery Quotation
± 0.05
G
45 ° ± 30 ′
R ≦ 0.5 （ P ≦ 2
R ≦ 0.3 ）
Step B
R ≦ 0.2
Shape
θ
Steppedon –step
(Calculation of θ
– Tip dimension (K/S/G/Q) – (KC/WKC … etc.)
Type
–L–P–F–A–V–C(R)
) P.1193
Alterations
–
KC3.0
Q1.5
CPPG–5ER6 – 350.00 – P5.95 – F330.00 – A4.95 – V4.50 – R0.5 –
Stepped two–step
Alteration details D P.287
G
L
0
－ 0.02 0
Alteration Code
Details
Alteration Code
Details
T ＝ 4
）
（ L ＞ 300
T ＝ 4
－ 0.05
＋ 0.02 F 0
） 0 F ＋ 0.05
F ＞ 200
（
K ° ± 30 ′ θ G
ℓ
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, P ≧ 1.5
(Cone)
ℓ≧ 0 . 7 ＋α
Single flat cutting P/2 ≦ KC ＜ H/2
KC
＋ 0.02 L 0
） 0 L ＋ 0.05
L ＞ 200
（
KC － 0.1 0
TC
TC
20 ＜ K ≦ 60 α＝ 2tanK V Designation 1° unit
4
R ≦ 0.5 （ P ≦ 2
R ≦ 0.3 ）
R ≦ 0.2
Step C
Shape
WKC Two flats cutting P/2 ≦ WKC ＜ H/2
θ＜ K
Ks ＝ 45 ° ± 1 °
＋ 0.1
0 － 0.1
About designation unit for key flat cutting
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
2 0
WKC
NC
(Calculation of θ
L ± 0.05
) P.1193
4
Varied dimensions parallel flats cutting P/2 ≦ KAC ＜ H/2 KBC = Designation 0.1 mm unit only KAC ＜ KBC0H/2
(1) To align the key flat with the shaft diameter Designation unit 0.005 mm unit is allowed
KAC KBC
P － A ＋
T
(Tapered)
－ 0.02 0
0
（ L ＞ 300
T ＝ 4
）
ℓ≧
0 . 5 ＋α
T ＝ 4
－ 0.1 0
－ 0.1 0
－ 0.05
KAC
KBC
2
0 . 1 ≦ S ＜
V 2tanK
S ± 0.05
2 P － A ＋
NCW
＋ 0.02 F 0
） 0 F ＋ 0.05
F ＞ 200
θ
（
ℓ
K ° ± 30 ′
When AC alteration is used
Designation 0.1 mm unit
4
＋ 0.02 L 0
） 0 L ＋ 0.05
L ＞ 200
（
ℓ≧
0 . 5 ＋α
Two flats (right angled) cutting P/2 ≦ RKC ＜ H/2
2tanAC
RKC
20 ＜ K ≦ 45 α＝ S θ＜ K Designation 1° unit
RKC － 0.1 0
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
217
R ≦ 0.2 R ≦ 0.2
Step D
R ≦ 0.5 （ P ≦ 2
R ≦ 0.3 ）
NHC
Shape
C
± 0.05
(2) To designate arbitrary key flat dimensions Designation unit 0.1 mm
C
Ks ＝ 45 ° ± 1 °
L
(Calculation of θ
) P.1193
DKC Three flats cutting P/2 ≦ DKC ＜ H/2
0 － 0.1
R
(R chamfered)
DKC
DKC
0 . 2 ≦ Q ＜ V / 2 α＝ Q Designation 0.1 mm unit
1
2
3
NHN
Q ± 0.1
－ 0.02 0
0
Two flats (angled) cutting P/2 ≦ KGC ＜ H/2 AG = Designation 1° unit 0 ＜ AG ＜ 360
（ L ＞ 300
T ＝ 4
）
T ＝ 4
AG °
－ 0.05
± 0.5
KGC
ℓ≧ C ＋ 0 . 5 ＋α
0 °
＋ 0.02 F 0
0 ） F ＋ 0.05
F ＞ 200
（
ℓ
KGC
Standard Ks = 45° can be specified as an angle AC ＝ designation 1° unit E 30 ≦ AC ≦ 60 E Step Applicable to C/D X C ombination 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
Q
＋ 0.02 L 0
0 ） L ＋ 0.05
L ＞ 200
（
AC °
AC
120 ° 120 °
L
Three flats cutting 120° distribution P/2 ≦ KTC ＜ H/2
－ 0.1 120 ° 0
R ≦ 0.5 （ P ≦ 2
R ≦ 0.3 ）
Shape
KTC
Step E
R
± 0.1
KTC
B
(Spherical processed)
RR
SR
Changes the flange diameter HC = Designation 0.1 mm unit E P ≦ HC ＜ H E For P –0.01 –0.02 , P ≧ 1.5 E In relation to the diameter tolerance, alteration may create a straight piece with little diameter difference between the head and shaft.
RR
α＝ V / 2
HC
－ 0.02 0
0
T ＝ 4
（ L ＞ 300
T ＝ 4
）
－ 0.05
＋ 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
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 Flange thickness 4 mm
Step A
Step B
Step C
Step D
Step E
Group
V
A/V
A/V
Ks
A/V
Ks
A
V
CPPG–5 □ CPDG–5 □ CPDKG–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
317
318
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