PRECISION TAPERLESS ONE–STEP CORE PINS (NO DRAFT ANGLE CORE PINS) –SHAFT DIAMETER (P) 0.005mm DESIGNATION TYPE–
Precision
0.01mm increments 0.005mm increments
0.01mm increments
0.1mm increments
Part Number
M Material H Hardness
Part Number
High Speed Steel SKH51
L
F
A
H
ℓ max.
Type
Step
Shape
min.Pmax.
C
R
Type Step Shape No. min.
max.
min.
max.
min. max.
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
3
S C G T R B
1.5
0.50
SKD61 48–52HRC
CPZBS–
2
100.00
4 5 6
S
B C D E
2.5
NAK80
3
0.70
Only Step D is designated
Only Step E is designated
C
3.5
CPZBS–
7
DH2F
B C D E
120.00
4
L – ℓ min . E ℓ min. Refer to Step drawing
1.00
4.5
G
P−A 2
P−A 2
ℓ ≦ 12 × A and ℓ ≦ 35
8
C ＜
R ≦
SKH51 58–60HRC
CPVBS–
12.00
5
14.00
P ＞ A
1.50
5.5
Pre-hardened Steel
9
and R ≧ 0.2
T
and ※ 0.1 ≦ C ≦ 4.0 ※ When CVC code is used 0.10 ≦ CVC ≦ 1.00
6
120.00
PROVA400 Pre-hardened Steel
6.5
CPVBS–
10
7 8
R
CPVBS only 150.00
Shape (Tip shape)
Select Step (step type) from B–E figures shown below
2.00
11 15 18 21 25
Stainless Steel SUS440C
10 13 16
B
B
S (Not processed)
R ≦ 0.3
R ≦ 0.1 （ When RC code is used R ≦ 0.05 ）
Shape
MAS1C
Select a tip shape from the drawings on the right
20 30.00
16.000–19.995 28.00
5.00
E Step E is No.1 (P ≧ 0.900)–
＋ 0.01 0
4mm
L
α= 0
Part Number – L – P – F – A – C/R – Tip size (K/S/G/Q) CPZBS– BS 4 – 45.55 – P3.980 – F40.00 – A3.50 CPVBS– CC 6 – 52.30 – P5.565 – F42.50 – A4.60 – G1.0
JIS (6/8mm)
Order
T ＝ 4
0
－ 0.02
CPZBS– DG 5 – 48.62 – P4.775 – F37.55 – A4.00 – C0.2 – K30 CPVBS– ER 6.5 – 55.65 – P6.230 – F42.35 – A4.50 – R0.5 – Q0.5
10mm
＋ 0.01 0
ℓ
F
C (C chamfering)
E ℓ ≧ 0.4 +α
Free Designation
L
When RC code is used ℓ ≧ 0.35 +α
± 0.02 G
Delivery Quotation
45 ° ±
30 ′
D (P) –0.01 –0.02 D (P) 0
0.1 ≦ G ＜ A/2 0.05mm increments α = G
C
– A (AAC) – C (CVC)/R – K/S/G/Q – (KC/WKC … etc.)
Part Number – L – P – F (FC)
R ≦ 0.1 （ When RC code is used R ≦ 0.05 ） （ When AC code is used R ≦ 0.2 ）
–0.005
＋ 0.01 0
Alterations
R ≦ 0.3
CPVBS–DC6 – 65.00 – P5.750 – F55.00 – A3.50 – CPVBS–DS5 – 50.00 – P4.895 – F38.00 – A2.00 –
C0.5 –
G0.5
– RC –KC3.0
Shape
L
Alteration details D P.365
C0.3
– TRN
D (P) 0
Ks ＝ 45 °
± 30 ′
–0.003
Alterations Code
Spec.
Alterations Code
Spec.
G (Cone)
Head thickness change TC = 0.1mm increments E 1.5 ≦ TC ＜ 4 (Dimensions L and F remain unchanged) E 4–TC ≦ Lmax.–L
Total Length Designation
Single flat cutting P/2 ≤ KC < H/2
KC
0
TC
KC － 0.01 0
TC
－ 0.02
Shaft Diameter / Total Length Designation Free Designation
± 30 ′ K °
4
T ＝ 4
－ 0.02 0
P – A
20 ＜ K ≦ 60 1° increments α= A 2tanK
E ℓ ≧
2 + 0.3 +α
TRN Relief under the head
Two flats cutting P/2 ≤ WKC < H/2
＋ 0.01 0
WKC
(No need for plate chamfering)
ℓ
F
0 － 0.01
When AC code is used
WKC
－ 0.05 L 0
About Designation Unit for Key Flat Cutting
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
P – A 2tanAC° + 0.3 +α
L
TiCN Coating
ℓ ≧
A15
Varied width parallel flats cutting P/2 ≤ KAC < H/2 KBC = 0.1mm increments only KAC < KBC < H/2
NHC
KAC KBC
8
－ 0.01 KBC 0
－ 0.01 0
KAC
Two Step Shape
(1) To align the key flat with the shaft diameter
D
T (Tapered)
No.
A min.
AAC min.
R ≦ 0.1 R ≦ 0.1 When AC code is used R ≦ 0.2 When RC code is used R ≦ 0.05 When AC code is used R ≦ 0.2
R ≦ 0.3
0.1 ≦ S ＜ A 2tanK 0.05mm increments 0 ＜ K ≦ 45 1° increments α = S
C ± 0.05
Shape
± 0.02 S
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
Extends the working limit of A min. E AAC = 0.01mm increments E ℓ ≦ 10 × AAC
Two flats (right angled) cutting P/2 ≤ RKC < H/2
Unit of designation 0.0025mm increments possible
Ks ＝ 45 °
K °
RKC
± 30 ′
± 30 ′
RKC － 0.01 0
5.5
AAC
6–16
C
20
X In case of No. = 2–3, 4.5 and 5, Amin. is the machining limit, and AAC cannot be used.
＋ 0.01 0
DKC Three flats cutting P/2 ≦ DKC ＜ H/2
L
0 － 0.01
Changes R (normally ≦ 0.1) to R ≦ 0.05 Designation method RC E Step Available for B/C/D
DKC
DKC
RC
45 °
P – A 2
0 T ＝ 4 － 0.02
RC
E C =
⇨ Step C
＋ 0.01 0
R (R chamfering)
ℓ
E ℓ ≧ C + 0.3 +α When CVC code is used ℓ ≧ CVC + 0.3 +α
Four flats cutting P/2 ≤ SKC < H/2
F
(2) To designate arbitrary key flat dimensions
SKC
－ 0.01 SKC 0
C dimension can be designated at 0.01mm increments E 0.10 ≦ CVC ≦ 1.00 E CVC = 0.01mm increments E Available for Step D Standard Ks = 45° can be specified as an angle AC = 1° increments E Available for Step C/D E 30 ≦ AC ≦ 60 X Combination with CVC/RC not available E Step When D, C ≦ 1.0 ， A + 2 (C × tanAC°) ＜ P
Q
± 0.1
CVC ± 0.02
L
45 °
CVC
AG °
± 0.5
Unit of designation 0.1mm
Two flats (angled) cutting P/2 ≦ KGC ＜ H/2 0 ＜ AG ＜ 360 AG = 1° increments
0 °
0.2 ≦ Q ＜ A/2 0.1mm increments α = Q
KGC
E
＋ 0.01 0
AC °
KGC
R ≦ 0.3
L
± 0.1 R
AC
Shape
120 ° 120 °
Three flats cutting at 120° P/2 ≦ KTC ＜ H/2
－ 0.01 120 ° 0
KTC
Fdimension becomes shorter than Fmin. Make L dimension shorter than Lmin. too. FC ≧ 5mm E It can be designated up to Lmin. = 6.5mm
B (Spherical processed)
KTC
FC
F FC
SR ＝ A/2
Head diameter change HC = 0.1mm increments E P ≦ HC ＜ H E In relation to the diameter tolerance, alteration may create a straight piece with little diameter difference between the head and shaft.
HC
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
T ＝ 4
0
－ 0.02
＋ 0.01 0
ℓ
F
0 － 0.05 L
E P ≧ 0.900 E ℓ ≧ R + 0.3 +α
Head diameter change (precision) HCC = 0.1mm increments E P + 0.5 ≦ HCC ＜ H–0.3
L
α= A/2
HCC
385
386
E Refer to the Shape drawing for L tolerance
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