PRECISION ONE–STEP CORE PINS –SHAFT DIAMETER (P) 0.005 mm DESIGNATION TYPE–
Precision
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
0.01mm increments 0.005mm increments
0.01mm increments
0.1mm increments
Part Number
M Material H Hardness
Part Number
High Speed Steel SKH51
H
L
F
ℓ max.
Type
Step
Shape
min. P max.
A Vmin.
C
R
min.
max.
min.
max.
Type Step Shape No.
1
0.800– 0.995 1.000– 1.495 1.500– 1.995 2.000– 2.495 2.500– 2.995 3.000– 3.495 3.500– 3.995 4.000– 4.495 4.500– 4.995 5.000– 5.495 5.500– 5.995 6.000– 6.495 6.500– 6.995 7.000– 7.995 8.000– 9.995 10.000–12.995 13.000–15.995
Die Steel SKD61
1A
Not processed
3
1.5
0.5
Designation is unnecessary when tip processing is not required
SKD61 48–52HRC
2
100.00
4 5 6
CPZB–
1A
C G T R B
1B
2.5
Only Step 1E is designated
Only Step 1D is designated
NAK80
3
0.70
3.5
1C
1B
CPZB–
7
P ＞ A ≧ V
DH2F
L– ℓ min.
P – A 2
120.00
4
C ＜
A × 6 ( P × 6 for
1.00
C G T R B
4.5
P – A 2
1D
8
R ≦
Step 1A ) and ℓ ≦ 50
SKH51 58–60HRC
12.00
5
14.00
CPVB–
E ℓ min. Refer to the Step drawing
Step 1A P ＞ V
and ※ 0.1 ≦ C ≦ 4.0 ※ When CVC code is used 0.10 ≦ CVC ≦ 1.00
1C
1.50
5.5
Pre-hardened Steel
9
and R ≧ 0.2
1E
6
No designation necessary for A
120.00
PROVA400 Pre-hardened Steel
6.5
10
CPVB–
1D
7 8
Shape (Tip shape: V is a dimension before tip processing.)
2.00
11 15 18 21 25
Step type selected from 1A–1E below
Stainless Steel SUS440C
CPVB– only 150.00
10 13 16
1E
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
MAS1C
20 30.00
16.000–19.995 28.00
5.00
E Step 1E No.1 is P ≧ 0.900
α＝ 0
4mm
Part Number – L – P – F – A – V – C/R – Tip size (K/S/G/Q) CPZB–1A 5 – 42.00 – P4.650 – F36.50 – V3.80 CPZB–1CG6 – 45.50 – P5.680 – F37.50 – A5.00 – V4.50 – K45 CPZB–1DR5.5 – 52.60 – P5.480 – F41.10 – A4.90 – V4.60 – C0.2 – Q0.5
Order
JIS (6/8mm)
＋ 0.01 0
T ＝ 4
0 － 0.02
L
ℓ
＋ 0.05 0
F
10mm
L
ℓ≧ 0 . 5 ＋α
C
(C chamfered)
0 . 1 ≦ G ＜ V / 2 Designation 0.05mm unit α＝ G θ＜ 45 °
Quotation
Free Designation
Delivery
± 0.02
G
45 ° ± 30 ´
R ≦ 0.2 （θ≦ 5 ° R ≦ 0.1 ）
1B
R ≦ 0.3
Shape
θ
D (P) –0.01 –0.02 D (P) 0
Part Number – L – P – F (FC) – A – V (VC) – C (CVC)/R – Tip size (K/S/G/Q) – (KC/WKC … etc.) CPZB–1D5 – 42.00 – P4.650 – F36.50 – V3.80 – CVC0.25 – KC2.4 CPVB–1CC6 – 51.00 – P5.755 – F40.05 – A3.20 – V3.05 – G0.6 – HC8
Alterations
Alteration details D P.365
–0.005
G
Alterations Code
Spec.
Alterations Code
Spec.
＋ 0.01 0
L
D (P) 0
–0.003
T ＝ 4 0
－ 0.02
Single flat cutting P/2 ≤ KC < H/2
TRN Relief under the head
KC
ℓ
＋ 0.01 0
θ G (Cone) ± 30 ´ K °
KC － 0.01 0
F
(No need for plate chamfering)
Total Length Designation
L
ℓ≧ 0 . 7 ＋α
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 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 not available E Step For 1D, C ≦ 1.0, A + 2(C × tanAC) ＜ P C dimension can be designated at 0.01 mm increments E 0.10 ≦ CVC ≦ 1.00 E Available for Step 1D E CVC ＜ (P−A)/2 X Combination with AC not available
Shaft Diameter / Total Length Designation Free Designation
Designation 1° unit 20 ＜ K ≦ 60 α＝ 2tanK V
Two flats cutting P/2 ≤ WKC < H/2
About Designation Unit for Key Flat Cutting
A15
R ≦ 0.2 （θ≦ 5 ° R ≦ 0.1 ）
WKC
NHC
R ≦ 0.3
0 － 0.01
1C
8
Shape
WKC
Ks ＝ 45 ° ± 30 ´
θ＜ K
Varied width parallel flats cutting P/2 ≤ KAC < H/2 KBC = 0.1mm increments only KAC < KBC < H/2
AC °
KAC KBC
0 －
L
TiCN Coating
AC
－ 0.01 KBC 0
－ 0.01 0
0.1
KAC
(1) To align the key flat with the shaft diameter Unit of designation 0.0025mm increments possible
Two Step Shape
2 P ー A ℓ≧ When AC alteration is used
T (Tapered)
CVC ± 0.02
T ＝ 4 － 0.02 0
＋ 0 . 5 ＋α
45 °
Two flats (right angled) cutting P/2 ≤ RKC < H/2
S ± 0.02
0 . 1 ≦ S ＜
RKC
CVC
V 2tanK
ℓ
θ
＋ 0.01 0
RKC － 0.01 0
± 30 ´ K °
F
2tanAC P ー A ℓ≧ ＋
Designation 1° unit 10 ≦ K ≦ 45 α＝ S θ＜ K Designation 0.05mm unit
L
0 . 5 ＋α
No.
Vmin.
VCmin.
DKC Three flats cutting P/2 ≦ DKC ＜ H/2
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
Vmin. is enlarged VC = 0.01mm increments E ℓ ≦ A × 5, ℓ ≦ 50 (P × 5 for Step 1A) E P ＞ A ≧ VC
R ≦ 0.3
0 － 0.01
1D
C ± 0.05
Shape
DKC
DKC
5.5
Ks ＝ 45 ° ± 30 ´
VC
＋ 0.01 0
6–10
L
C
R ≦ 0.2
20
Four flats cutting P/2 ≤ SKC < H/2
X Regarding No. = 2–3, 4.5, 5 and 13–16, Vmin. is the machining limit and VC cannot be used
R ≦ 0.2 （θ≦ 5 ° R ≦ 0.1 ）
SKC
－ 0.01 SKC 0
(2) To designate
R (R chamfered)
Designation 0.1mm unit 0 . 2 ≦ Q ＜ V / 2 α＝ Q
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
F dimension becomes shorter than Fmin. Make L dimension shorter than Lmin. too. FC ≧ 5mm E It can be designated up to Lmin. = 6.5mm
Q ± 0.1
T ＝ 4
0
0 °
KGC
FC
－ 0.02
FC
＋ 0.01 0
ℓ
ℓ≧ C ＋ 0 . 5 ＋α
KGC
F
F
Q
2 P ー A
120 ° 120 °
L
1C Step
C ＝
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
Three flats cutting at 120° P/2 ≦ KTC ＜ H/2
－ 0.01 120 ° 0
＋ 0.01 0
KTC
GVC
L
GS
R
± 0.1
R ≦ 0.3
KTC
1E
Shape
F GB
E For details of a "Gas Release Core Pin," which is a product similar to alteration GVC, D P.465
Head diameter change HC = 0.1mm increments E P ≦ HC ＜ H
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
Head diameter change (precision) HCC = 0.1mm increments E P + 0.5 ≦ HCC ＜ H–0.3
T ＝ 4 0
－ 0.02
HCC
＋ 0.01 0
ℓ
F
ℓ≧ R ＋ 0 . 5 ＋α P ≧ 0 . 900
0 － 0.1 L
L
Head thickness change TC = 0.1mm increments E 1.5 ≦ TC ＜ 4 (Dimensions L and F remain unchanged) E 4–TC ≦ Lmax.–L
TC
0
(Calculation of tip gradient θ D P.1193 )
TC
－ 0.02
E Refer to the Shape drawing for L tolerance
383
384
4
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