NAK80 DH2F SKD61 SKH51
STRAIGHT CORE PINS WITH GAS VENT –SHAFT DIAMETER (D) SELECTION TYPE / SHAFT DIAMETER (P) 0.01mm DESIGNATION TYPE–
Part Number – L – P – DC(DCX)
Type
T Tolerance D/DC/P/PC
PC(PCX) – N – SV
M Material
H Hardness 37–43HRC 38–42HRC 48–52HRC 58–60HRC 37–43HRC 38–42HRC 48–52HRC 58–60HRC
High Speed Steel SKH51
Order
Shaft diameter (D) selection Shaft diameter (P) designation GV–CPN–L GV–CPNB–L GV–CPF–L GV–CPFB–L GV–CPD–L GV–CPDB–L GV–CPX–L GV–CPXB–L GV–CPK–L GV–CPKB–L GV–CPG–L GV–CPGB–L GV–CPP–L GV–CPPB–L GV–CPH–L GV–CPHB–L
GV–CPX –L1 – 20.05 – N2 – SV4 GV–CPHB–L3 – 18.36 – P2.96 – PC2.950 – N2 – SV4
NAK80
DH2F
Die Steel SKD61
–0.01 –0.02
SKD61 SKH51 NAK80
Quotation
Delivery
NAK80
AK80
DH2F
0 –0.005
SKD61 SKH51
DH2F
– N – SV(SVC) – (KC/WKC … etc.)
Part Number – L – P – DC(DCX) PC(PCX)
Alterations
GV–CPH –L3 – 18.36 – DCX – N2 – SVC – WKC1.5 GV–CPHB–L3 – 18.36 – P2.96 – PCX – N2 – SVC – WKC1.48
D a 0.5– 0.9 0.50– 0.99 (D or P)–0.1 0.05 1 – 2.5 1.00– 2.49 (D or P)–0.2 0.10 3 – 4 2.50– 3.99 (D or P)–0.4 0.20 4.5/ 5 4.00– 4.99 (D or P)–0.6 0.30 6 –13 5.00–12.99 (D or P)–1.0 0.50 P d
Alteration details D P.323
Pre-hardened Steel Hardening Steel
Alterations Code
Spec.
Alterations Code
Spec.
Head diameter change HC = 0.1mm increments E (D or 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. Head diameter change (precision) HCC = 0.1mm increments E (D or P) + 0.5 ≦ HCC ＜ H−0.3, (D or P) ≧ 0.6
PROVA400 Pre-hardened Steel Hardening Steel
HC
＋
＋
0.5
0.2
About Designation Unit for Key Flat Cutting
2
0 SV
0 N
Stainless Steel SUS440C
Single flat cutting (D or P)/2 ≦ KC ＜ H/2 (D or P) ≧ 0.6
R ≦ 0.3
KC
0 － 0.01 KC
HCC
MAS1C
(1)To align the key
flat with the shaft diameter
•Shaft diameter (D) selection D TC 0.5 ≦ D ＜ 0.8 2.0 ≦ TC ＜ 4.0 0.8 ≦ D ≦ 13 1.5 ≦ TC ＜ 4.0 •Shaft diameter (P) designation P TC 0.50 ≦ P ＜ 0.80 2.0 ≦ TC ＜ 4.0 0.80 ≦ P ≦ 12.99 1.5 ≦ TC ＜ 4.0
4mm
Head thickness change TC = 0.1mm increments (Dimension L remains unchanged) E 4−TC ≦ Lmax.−L
Unit of designation Shaft diameter (D) selection 0.05mm increments possible Shaft diameter (P) designation 0.005mm increments possible
0 － 0.02
T ＝ 4
JIS (6/8mm)
0
TC
TC
－ 0.02
＋ 0.02 0
L
E When(D or P) –0.01
–0.02 Shaft diameter selection: DC designation not available. DC = D Shaft diameter designation: PC designation not available. PC = P
Two flats cutting (D or P)/2 ≦ WKC ＜ H/2 (D or P) ≧ 0.6
4
Free Designation
WKC
0 － 0.01 WKC
■ Shaft diameter (D) selection type
Relief under the head (No need for plate chamfering) Available when (D or P) ≧ 0.6
D (P) –0.01 –0.02 D (P) 0
TRN
Part Number
L 0.01mm increments
DC 0.005mm increments
N 0.1mm increments
SV 0.5mm increments
–0.005
H
Type
D
Numbering on the head Range of designation and Designation method D P.324 E Available when H ≧ 2 Process the SV part till the head edge. E Only available for GV−CPN−L/GV−CPK−L GV−CPNB−L/GV−CPKB−L when (D or P) ≧ 2 E (D or P) ＜ 1 c L ＝ Applicable until 60 E When used concurrently with key flat cutting, SVC processing is done perpendicularly to the key flat surface.
A15
D (P) 0
NHC
–0.003
8
GV–CPX–L GV–CPH–L GV–CPN–L (D ≧ 0.8) GV–CPF–L (D ≧ 0.8) GV–CPD–L GV–CPX–L GV–CPK–L (D ≧ 0.8) GV–CPG–L (D ≧ 0.8) GV–CPP–L GV–CPH–L
(2) To designate
Varied width parallel flats cutting (D or P)/2 ≦ KAC ＜ H/2 KBC = 0.1mm increments only (D or P) ≧ 0.6 KAC ＜ KBC ＜ H/2
15.00– 60.00
0.5 0.6 0.7 0.8 0.9 1 1.2 1.5
2
arbitrary key flat dimensions Unit of designation 0.1mm
Total Length Designation Total Length Designation
KAC KBC
Shaft Diameter / Total Length Designation Free Designation
0 － 0.01 0 － 0.01
KBC
SVC
3
KAC
0.3–10.0
2.0–50.0
SVC
15.00–100.00
(D–0.08) ≦ DC ≦ D E When D –0.01 –0.02 DC not available E When DC ＝ D designate DCX
L–(2 ＋ SV ＋ N) ≧ 10
Tip Process
2
4 5 6 7 8 9
■ Characteristics For molds using resin that generates gas easily, this core pin has the effect of releasing gas from the inside of the cavity through the core pin clearance.
2.5
Engraving
3
3.5
Gas Vent Gas Vent
4
Example
4.5 5
1. Assemble at the surface of product to release gas. 2. Assemble in the place where the gas gathers in the runner part to release gas.
15.00–120.00
0.5–15.0
2.0–60.0
6 7 8
10 11 15 18
L–(2 ＋ SV ＋ N) ≧ 10
Gas will be released through clearance. Set the clearance amount for the gas released depending on the resin and molding conditions. (Specify in DC/PC) ※ represents the gas ow. Gas will be released through clearance. Set the clearance amount for the gas released depending on the resin and molding conditions. (Specify in DC/PC) ※ represents the gas ow.
10
13 ■ Shaft diameter (P) designation type
Part Number
0.01mm increments
PC 0.005mm increments
N 0.1mm increments
SV 0.5mm increments
Molding
Molding
H
Type
No.
L
P
GV–CPXB–L GV–CPHB–L GV–CPNB–L (P ≧ 0.80) GV–CPFB–L (P ≧ 0.80) GV–CPDB–L GV–CPXB–L GV–CPKB–L (P ≧ 0.80) GV–CPGB–L (P ≧ 0.80) GV–CPPB–L GV–CPHB–L
0.50– 0.59 0.60– 0.99 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– 5.99 6.00– 6.99 7.00– 7.99 8.00– 9.99 10.00–12.99
0.6
3
1
0.3–10.0
2.0–50.0
15.00–100.00
1.5
(P–0.08) ≦ PC ≦ P E When P –0.01 –0.02 PC no available
2
4 5 6 7 8 9
L–(2 ＋ SV ＋ N) ≧ 10
2.5
3
3.5
4
E When PC ＝ P designate PCX
4.5
5 6 7 8
15.00–120.00
0.5–15.0
2.0–60.0
＜ WKC code ＞
Use SVC code while processing plate by wire cutting. ＜ SVC code ＞
10 11 15 18
＜ WKC code ＞
Use SVC code while processing plate by wire cutting. ＜ SVC code ＞
L–(2 ＋ SV ＋ N) ≧ 10
10 13
349
350
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