High Speed Steel SKH51 P 0 –0.005 / –0.01 –0.02
TAPERLESS ONE–STEP CENTER PINS –SHAFT DIAMETER (P) DESIGNATION (0.01 mm INCREMENTS) TIP (A) TOLERANCE 0 −0.005 / 0
Precision
Standard
–0.01 TYPE –
Flange thickness 4 mm
Flange thickness JIS
Flange thickness (T)
Type
Designation 0.01 mm unit
0.1 mm unit
T Tolerance D
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
ℓmax.
H T H T
Step Shape No.
L
P
F
A Amin.
C/R
CPHSG–5 CPVSG–5 CPHSJG–5 CPVSJG–5 CPHSGE–5 CPVSGE–5 CPHSJGE–5 CPVSJGE–5
Flange thickness 4 mm
Flange thickness JIS
4 mm (T4)
+ 0.005 0 Details D P.219
70.00 – 150.00 0.80 – 0.99 150.01 – 200.00 0.90 – 0.99
0 –0.005
1
3
No need to designate if no tip processing is required
0.50
6/8 mm (JIS)
1.00 – 1.49 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 5.50 – 5.99 6.00 – 6.49 6.50 – 6.99 7.00 – 7.99 8.00 – 9.99
1.5
4 5 6
Step D only 0.1 ≦ C ≦ 1.5 and C ＜ P – A 2 Step E only R ≧ 0.3 and R ≦ P – A 2
– –
2
70.00 – 250.00
–
CPHSG–5 CPVSG–5 Tolerance D 0
Tolerance P 0 −0.005 P – 0.01 ＞ A ≧ Amin.
0.70
4 mm (T4)
2.5
+ 0.01 0 or H7 Details D P.219
–0.01 –0.02
3
7
B C D E
C G T R B
Range of guaranteed shaft diameter precision (Details D P.221 ) Range of guaranteed base material hardness (details D P.223 )
3.5
1.00
M material SKH51 H hardness 58 – 60 HRC
6/8 mm (JIS)
−0.005
ℓ ≦ 12×A and ℓ ≦ 35
70.00 – 300.00
8
4
CPHSJG–5 CPVSJG–5 Tolerance D 0 CPHSJGE–5 CPVSJGE–5 Tolerance D –0.01 −0.02 −0.005
8
F ≧ 50.00
4.5
4
1.50
9
5
6
Step (step shape) Select from B – E in the figure below
Shape (tip dimension)
9
CPHSGE–5 CPVSGE–5 Tolerance D –0.01 −0.02
Tolerance P –0.01 −0.02 P–0.02 ＞ A ≧ Amin.
5.5
10
D (P) –0.01 –0.02
6
No need to designate Shape if no tip processing is required
(Not processed)
10
11
Step B
6.5
R ≦ 0.5 （ P ≦ 2
R ≦ 0.3 ）
R ≦ 0.2
D (P) 0
70.00 – 350.00
Shape
Select from the gure on the right
–0.005
7 8
2.00
11 14 15 17
13 14 15 17
8
Total Length Designation Shaft Diameter(P) Total Length Designation
10 12
10.00 – 11.99 E Shape C/G/T/R/B is No.1.5 (P ≧ 1.00) – E Step E is No.1.5 (P ≧ 1.10) – E For ℓmin., refer to standard drawing
α＝ 0
L
T － 0.02 0
Type – L – P – F – A – C (R) – Tip dimension (K/S/G/Q) CPHSG–5E6 – 350.00 – P5.95 – F330.00 – A4.95 – R0.5
ℓ
（ F ＞ 200
）
＋ 0.02 0
＋ 0.05 0
Two– stepshape
Order
ℓ≧ 0 . 7 ＋α
F
F
C
(C chamfered)
（ L ＞ 200 ＋ 0.02 L 0
） ＋ 0.05 0
L
± 0.05 G
Steppedon –step
45 ° ± 30 ′
Quotation
Delivery
α＝ G 0 . 1 ≦ G ＜ A / 2 Designation 0.1 mm unit
Stepped two–step
Step C
R ≦ 0.5 （ P ≦ 2
R ≦ 0.3 ） Ks ＝ 45 ° ± 30 ′
R ≦ 0.2
– Tip dimension (K/S/G/Q) – (KC/WKC … etc.)
Type
–L–p–F–A–C(R)
Shape
L
Alterations
–
KC3.0
CPHSG–5E6 – 350.00 – P5.95 – F330.00 – A4.95 – R0.5
Alteration details D P.287
G
K ° ± 30 ′ (Cone)
Alteration Code
Details
Alteration Code
Details
Changes the flange diameter HC = Designation 0.1 mm unit E P ≦ HC ＜ H, P ≧ 1.5
T － 0.02 0
Designation 0.1 mm unit 20 ＜ K ≦ 60
P － A
Precision single flat cutting P/2 ≦ VKC ＜ H/2
F ＋ 0.02 0
＋ 0.05 0
（ F ＞ 200
）
ℓ
VKC
HC
F
＋ 0 . 5 ＋α
ℓ≧
VKC － 0.02 0
E In relation to the diameter tolerance, alteration may create a straight piece with little diameter difference between the head and shaft.
2
A α＝
＋ 0.02
＋ 0.05 0
（ L ＞ 200
）
0 L
L
± 0.05 L
2tanK
Changes the flange diameter (precision) HCC = Designation 0.1 mm unit E P + 0.5 ≦ HCC ＜ H−0.3 Changes the flange diameter TC = Designation 0.1 mm unit E T/2 ≦ TC ＜ T, P ≧ 1.5 (Dimensions L, F remains unchanged) E T–TC ≦ Lmax.–L Dowel hole boring E Available when H ≧ 4 X Combination except for NHC/NHN/RR not available Dowel hole boring + Spring pin driving E Available when H ≧ 4 X Combination except for NHC/NHN/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
Precision two flats cutting P/2 ≦ VWC ＜ H/2
VWC
HCC
A 2tanK
T
Step D
(Tapered)
0 . 1 ≦ S ＜
VWC － 0.02 0
R ≦ 0.5 （ P ≦ 2
R ≦ 0.3 ） Ks ＝ 45 ° ± 30 ′
R ≦ 0.2
± 0.05 S
± 0.05 C
Shape
C
K ° ± 30 ′
Designation 0.1 mm unit 20 ＜ K ≦ 45 Designation 1° unit
R ≦ 0.2
Single flat cutting P/2 ≦ KC ＜ H/2
TC
KC
－ 0.02 0
TC
KC － 0.1 0
T
L
About designation unit for key flat cutting
α＝ S
T － 0.02 0
＋ 0.1
F ＋ 0.02 0
＋ 0.05 0
（ F ＞ 200
）
ℓ
F
T d ℓ 4 2 3 6 3 5 8
0 d
ℓ≧ C ＋ 0 . 5 ＋α
Two flats cutting P/2 ≦ WKC ＜ H/2
R
(R chamfered)
(1) To align the key flat with the shaft diameter Designation unit 0.005 mm unit is allowed
WKC
NC
＋ 0.02
＋ 0.05 0
（ L ＞ 200
）
WKC － 0.1 0
0 L
± 0.1
L
Q
T
0 . 2 ≦ Q ＜ A / 2 Designation 0.1 mm unit α＝ Q
Varied dimensions parallel flats cutting P/2 ≦ KAC ＜ H/2 KBC = Designation 0.1 mm unit only KAC ＜ KBC ＜ H/2
T d ℓ 1 4 2 5 6 3 8
d
KAC KBC
Step E
NCW
－ 0.1 0
－ 0.1 0
R ≦ 0.5 （ P ≦ 2
R ≦ 0.3 ）
KAC
KBC
Shape
L
± 0.1 R
T
(2) To designate arbitrary key flat dimensions Designation unit 0.1 mm
Two flats (right angled) cutting P/2 ≦ RKC ＜ H/2
217
RKC
NHC
B
RKC － 0.1 0
(Spherical processed)
SR ＝ A / 2
T － 0.02 0
Three flats cutting P/2 ≦ DKC ＜ H/2
1
2
3
DKC
NHN
F ＋ 0.02 0
＋ 0.05 0 F ）
（ F ＞ 200
ℓ
ℓ≧ R ＋ 0 . 5 ＋α
DKC － 0.1 0
DKC
＋ 0.02
＋ 0.05
（ L ＞ 200
）
0 L
L
0
α＝ A / 2
± 0.05 L
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
AG °
± 0.5
Two flats (angled) cutting P/2 ≦ KGC ＜ H/2 AG = Designation 1° unit 0 ＜ AG ＜ 360
RR
0 °
KGC
RR
KGC
Type
Shape (Tip shape part A) T tolerance
Group
120 ° 120 °
Three flats cutting 120° distribution P/2 ≦ KTC ＜ H/2
Flange thickness 4 mm
Flange thickness JIS CPHSJG–5 □ CPVSJG–5 □ CPHSJGE–5 □ CPVSJGE–5 □
Step C
Step D
Step E
Step B
－ 0.1 0 120 °
KTC
Standard CPHSG–5 □ Precision CPVSG–5 □ Standard CPHSGE–5 □ Precision CPVSGE–5 □
A 0 A 0 A 0 A 0
0 –0.01
0 –0.01
0 –0.01
A A A A
A A A A
A A A A
KTC
–0.01
0 –0.005
0 –0.005
0 –0.005
–0.005
0 –0.01
0 –0.01
0 –0.01
–0.01
299
300
0 –0.005
0 –0.005
0 –0.005
–0.005
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