ONE–STEP CORE PINS –SHAFT DIAMETER (P) 0.01mm DESIGNATION / SHAFT DIAMETER TOLERANCE –0.01 –0.02 / 0
Standard
Standard
–0.005 TYPE–
E When exceeds the working limit of tip (ℓ) dimension,(Refer to the Step drawing lower right) c "Details of the tip (ℓ) short type" D posted on Web only E Products and sizes in green letters will be discontinued when the materials are out of stock.
0.01mm increments
0.1mm increments
Type
Part Number
High Speed Steel SKH51
H Hardness
M Material
H
L
F
ℓ max.
Shaft diameter tolerance P 0 –0.005 V/A Tolerance ± 0.015 V/A Tolerance ± 0.01 –0.01 –0.02 Shaft diameter tolerance P
Step Shape
A Vmin.
min. P max.
C
R
Type
Step Shape No. min. max.
min. max.
1
0.80–0.99 1.00–1.49 1.50–1.99 2.00–2.49
15.00 20.00 25.00 30.00
Shaft diameter tolerance −0.01 −0.02 CPNB– (0.80 ≦ P ≦ 15.99) CPFB– (0.80 ≦ P ≦ 15.99) CPDB– (0.80 ≦ P ≦ 19.99) CPXB– (0.80 ≦ P ≦ 19.99) CPAB– (0.80 ≦ P ≦ 3.99) CPTHB– (3.00 ≦ P ≦ 15.99) CPQHB– (0.80 ≦ P ≦ 15.99)
Shaft diameter tolerance 0 –0.005 CPKB– (0.80 ≦ P ≦ 15.99) CPGB– (0.80 ≦ P ≦ 15.99) CPPB– (0.80 ≦ P ≦ 19.99) CPHB– (0.80 ≦ P ≦ 19.99) CPWB– (0.80 ≦ P ≦ 15.99) CPYB– (0.80 ≦ P ≦ 3.99) CPEHB– (3.00 ≦ P ≦ 15.99) CPRHB– (0.80 ≦ P ≦ 15.99)
Die Steel SKD61
3
CPNB–
CPKB–
NAK80 37–43HRC
1.5
0.50
Not processed C
Designation is unnecessary when tip processing is not required C
2
4 5
100.00
CPFB–
CPGB–
DH2F 38–42HRC
1A
2.5
NAK80
Only Step 1E is designated
Only Step 1D is designated
CPDB–
CPPB–
SKD61 48–52HRC
1A
3
2.50–2.99
0.70
6
35.00
1B
DH2F
G
CPXB–
CPHB–
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
3.5
SKH51 58–60HRC
40.00 45.00
P ＞ A ≧ V
L– ℓ min.
7
1B
1C
4
P – A 2
1.00
C ＜
CPWB–
SUS440C 56–60HRC
–
P – A 2
T
4.5
R ≦
12.00
10.00
8
Step 1A P ＞ V
E ℓ min. Refer to Step drawing
1D
1C
5
G
CPAB–
CPYB–
MAS1C 50–54HRC
Pre-hardened Steel
and ※ 0.1 ≦ C ≦ 4.0 ※ When CVC code is used 0.50 ≦ CVC ≦ 1.00
R
1.50
5.5
and R ≧ 0.2
120.00 Only CPHB– 150.00
9
No designation necessary for A
1E
PROVA400 Pre-hardened Steel
6
CPTHB– CPEHB–
50–54HRC
1D
T
B
6.5
E is a registered trademark of UDDEHOLM TOOL CO. E PROVA400 is equivalent to SUS420J2 upgrading steel from Fujikoshi. Features D P.329
10
CPQHB– CPRHB–
PROVA400 50–54HRC
7 8
50.00
Stainless Steel SUS440C
1E
R
2.00
11 15 18 21 25
E Step When 1E, A tolerance is ± 0.02
10 13 16
Shape (Tip shape: V is a dimension before tip processing.)
Step type selected from 1A–1E below
10.00–12.99 13.00–15.99
B
MAS1C
R ≦ 0.3
No need to designate Shape if no tip processing is required
(Not processed)
1A
Shape Select a tip shape from the drawings on the right
20 30.00
16.00–19.99 28.00
5.00
E Step 1E No.1 is P ≧ 0.90
4mm
α＝ 0
Part Number – L – P – F – A – V – C/R – Tip size (K/S/G/Q) CPNB–1A 5 – 58.00 – P4.95 – F40.00 – V4.50 CPXB–1CC5.5 – 45.50 – P5.49 – F30.50 – A5.00 – V4.50 – G1.5 CPWB–1ET5 – 30.00 – P4.86 – F20.00 – A2.80 – V2.50 – R0.5 – K30 – S1
JIS (6/8mm)
Order
＋ 0.02 0
T ＝ 4
0 － 0.02
L
10mm
ℓ
＋ 0.05 0
F
ℓ≧ 0 . 5 ＋α
Free Designation
L
0 . 5 ≦ G ＜ V / 2 Designation 0.1mm unit α＝ G θ＜ 45 °
C
(C chamfered)
Quotation
± 0.02
G
Delivery
45 ° ± 30 ´
D (P) –0.01 –0.02 D (P) 0
1B
θ
R ≦ 0.3
R ≦ 0.2
Shape
Part Number – L – P – F – A – V (VC) – C(CVC) – R(RE) – Tip size (K/S/G/Q) – (KC/WKC … etc.) CPXB–1EC6 – 50.00 – P5.70 – F40.00 – A5.00 – V3.10 – RE1.5 – G1.0 – HC8.0 CPGB–1A 5 – 58.00 – P4.60 – F50.00 – V4.40 – NHC–23
–0.005
Alterations
Alteration details D P.365
D (P) 0
G
＋ 0.02 0
–0.003
L
Alterations Code
Spec.
Alterations Code
Spec.
T ＝ 4 0
－ 0.02
Total Length Designation
Head thickness change TC = 0.1mm increments E 1.5 ≦ TC ＜ 4 (Dimensions L and F remain unchanged) E 4–TC ≦ Lmax.–L
ℓ
＋ 0.02 0
± 30 ´ K ° θ G (Cone)
Single flat cutting P/2 ≤ KC < H/2
F
ℓ≧ 0 . 7 ＋α
TC
KC
0
KC － 0.01 0
TC
－ 0.02
Shaft Diameter / Total Length Designation Free Designation
L
4
Designation 0.1mm unit 20 ＜ K ≦ 60 α＝ 2tanK V
Two flats cutting P/2 ≤ WKC < H/2
R ≦ 0.3
R ≦ 0.2
TRN Relief under the head
1C
WKC
Shape
About Designation Unit for Key Flat Cutting
(No need for plate chamfering)
0 － 0.01
Ks ＝ 45 ° ± 30 ´
WKC
θ＜ K
TiCN Coating
Varied width parallel flats cutting P/2 ≤ KAC < H/2 KBC = 0.1mm increments only KAC < KBC < H/2 Two flats (right angled) cutting P/2 ≤ RKC < H/2
Numbering at the back part of the head Range of designation and Designation method: D P.365 E Available when H ≧ 2 X Combination with SKC not available Changes R (normally 0.2 or less) to R0.3–0.5 (Strength has been improved) Designation method RR E Step Available for 1B/1C/1D E P–A ≧ 1.0 When Step 1D, C ≧ 0.5 Standard Ks = 45° can be specified as an angle AC = 1° increment E Available for Step 1C/1D E 30 ≦ AC ≦ 60 X Combination with CVC/RR not available E Step For 1D, C ≦ 1.0, A + 2(C × tanAC) ＜ P C dimension can be designated at 0.01mm increments E 0.50 ≦ CVC ≦ 1.00 E Available for Step 1D E CVC ＜ (P−A)/2 X Combination with AC not available
0 －
KAC KBC
L
A15
0.1
NHC
－ 0.01 KBC 0
－ 0.01 0
Two Step Shape
KAC
When AC alteration is used 2 P ー A ℓ≧ ＋ P ー A ℓ≧ ＋ 2tanAC
8
0 . 5 ＋α
T (Tapered)
T ＝ 4
0 －
(1) To align the key flat with the shaft diameter Unit of designation 0.005mm unit is allowed
0.02
RR
S ± 0.02
0 . 1 ≦ S ＜
V 2tanK
＋ 0.02
ℓ
θ
RR
RKC
0 F
± 30 ´ K °
RKC － 0.01 0
0 . 5 ＋α
Designation 1° unit 10 ≦ G ≦ 45 α＝ S θ＜ K Designation 0.1mm unit Designation 0.1mm unit 0 . 2 ≦ Q ＜ V / 2 α＝ Q
L
AC °
DKC Three flats cutting P/2 ≦ DKC ＜ H/2
AC
R ≦ 0.3
1D
0 － 0.01
C ± 0.05
C
Shape
R ≦ 0.2
DKC
DKC
＋ 0.02 0
Ks ＝ 45 ° ± 30 ´
R ≦ 0.2
L
CVC ± 0.02
45 °
Four flats cutting P/2 ≤ SKC < H/2
CVC
SKC
(2) To designate
－ 0.01 SKC 0
R (R chamfered)
arbitrary key flat dimensions Unit of designation 0.1mm
AG °
± 0.5
Two flats (angled) cutting P/2 ≦ KGC ＜ H/2 0 ＜ AG ＜ 360 AG = 1° increments
Q ± 0.1
No.
Vmin.
VCmin.
0 － 0.02
T ＝ 4
ℓ≧ C ＋ 0 . 5 ＋α
0 °
1–1.5 3.5–4
0.50 1.00 1.50 2.00 5.00
0.40 0.70 1.00 1.50 4.00
KGC
Vmin. is enlarged VC = 0.01mm increments E ℓ ≦ A × 5, ℓ ≦ 50 (P × 5 for Step 1A) E P ＞ A ≧ VC
＋ 0.02
ℓ
2 P ー A
0 F
KGC
1C Step
Q
C ＝
5.5
VC
6–10
120 ° 120 °
L
20
Three flats cutting at 120° P/2 ≦ KTC ＜ H/2
－ 0.01 120 ° 0
X Regarding No. = 2–3, 4.5, 5 and 13–16, Vmin. is the machining limit and VC cannot be used
＋ 0.02 0
KTC
L
± 0.1
R
R ≦ 0.3
KTC
1E
Shape
Head diameter change HC = 0.1mm increments E P ≦ HC ＜ H
R shape alteration (enlargement) RE = 0.5mm increments E 0.5 ≦ RE ≦ 2.0 E F tolerance is + 0.05 0 . E Available for Step 1E
SR B (Spherical processed)
RE
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
ℓ≧ R ＋ 0.5 ＋α P ≧ 0 . 90 A tolerance is ± 0.02.
GS Gas vent machining GS/GB = 1mm increments E Available when P ≧ 2.00 E 2 ≦ GS ≦ 10 GS + 2 ≦ GB ≦ 30 Fmin. ≦ F–GB Range of designation and Designation method: D P.366 E For details of "Steps–Type Round Core Pins (Gas Release)" which is a product similar to alteration GVC, D refer to Misumi–VONA F GB GVC
Head diameter change (precision) HCC = 0.1mm increments E P + 0.5 ≦ HCC ＜ H–0.3
T ＝ 4 0
－ 0.02
HCC
ℓ
＋ 0.02 0
F
0 － 0.1 L
L
379
380
(Calculation of tip gradient θ D P.1193 )
E Refer to the Shape drawing for L tolerance
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