EXTRA PRECISION STRAIGHT CORE PINS WITH GAS VENT −SHAFT DIAMETER (D) SELECTION / SHAFT DIAMETER (P) 0.001mm DESIGNATION TYPE−
– N – SV(SVC) – (KC/WKC … etc.) – N2 – SV4 –TRN – N2 – SVC – WKC1.48
Part Number – L – P – DC(DCX)/PC(PCX)
Type
M Material
H Hardness
High Speed Steel SKH51
Alterations
–
GV–CPM–L1 – 20.05
DCX
Shaft diameter (D) selection Shaft diameter (P) designation
GV–CPMB–L3 – 18.36 – P2.960 –
PC2.950
Alteration details D P.323
Die Steel SKD61
Alterations Code
Spec.
Alterations Code
Spec.
GV–CPM–L GV–CPMB–L
SKH51
58–60HRC
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
NAK80
HC
About Designation Unit for Key Flat Cutting
Single flat cutting (D or P)/2 ≦ KC ＜ H/2 (D or P) ≧ 0.6
KC
D a 0.5– 0.9 0.500– 0.999 (D or P)–0.1 0.05 1 – 2.5 1.000– 2.499 (D or P)–0.2 0.10 3 – 4 2.500– 3.999 (D or P)–0.4 0.20 4.5/ 5 4.000– 4.999 (D or P)–0.6 0.30 6 –13 5.000–12.999 (D or P)–1.0 0.50 P d
DH2F
0 － 0.01 KC
(1)To align the key
HCC
flat with the shaft diameter
Pre-hardened Steel Hardening Steel
Unit of designation Shaft diameter (D) selection 0.05mm increments possible Shaft diameter (P) designation 0.0005mm increments possible
Head thickness change TC = 0.1mm increments (Dimension L remains unchanged) E 4−TC ≦ Lmax.−L Relief under the head (No need for plate chamfering) Available when (D or P) ≧ 0.6
＋
＋
0.5 0
0.2 0
2
D or P TC 0.50 ≦ D or P ＜ 0.80 2.0 ≦ TC ＜ 4.0 0.80 ≦ D or P ≦ 13 1.5 ≦ TC ＜ 4.0
SV
N
0
TC
PROVA400 Pre-hardened Steel Hardening Steel
TC
－ 0.02
Two flats cutting (D or P)/2 ≦ WKC ＜ H/2 (D or P) ≧ 0.6
R ≦ 0.3
4
WKC
Stainless Steel SUS440C
0 － 0.01 WKC
TRN
MAS1C
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 (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
0 － 0.02
T ＝ 4
NHC
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
8
(2) To designate
KAC KBC
＋ 0.01 0
4mm
arbitrary key flat dimensions Unit of designation 0.1mm
L
0 － 0.01 0
KBC
JIS (6/8mm)
■ Shaft diameter (D) selection type H Part Number
SVC
KAC
－ 0.01
SVC
L 0.01mm increments
DC 0.001mm increments
N 0.1mm increments
SV 0.5mm increments
Free Designation
Type
D
■ 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.
0.5 0.6 0.8 1 1.2 1.5
15.00– 60.00
2
D (P) –0.01 –0.02 D (P) 0
3
–0.005
0.3–10.0
2.0–50.0
Example
D (P) 0
–0.003
L–(2 ＋ SV ＋ N) ≧ 10
2
4 5 6
2.5
Total Length Designation Total Length Designation
(D–0.08) ≦ DC ≦ D E When DC = D designate DCX
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.
3
GV–CPM–L
Shaft Diameter / Total Length Designation Free Designation
15.00–100.00
3.5
7
4
4.5 5
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.
8
6 7 8
0.5–15.0
2.0–60.0
9
Tip Process
10 11 15 18
L–(2 ＋ SV ＋ N) ≧ 10
Engraving
Molding
10 13
Gas Vent Gas Vent
■ Shaft diameter (P) designation type H Part Number
L 0.01mm increments
P 0.001mm increments
PC 0.001mm increments
N 0.1mm increments
SV 0.5mm increments
Type
No.
0.6 15.00– 60.00 0.500– 0.599
1
0.600– 0.999 1.000– 1.499 1.500– 1.999 2.000– 2.499 2.500– 2.999 3.000– 3.499 3.500– 3.999 4.000– 4.499 4.500– 4.999 5.000– 5.999 6.000– 6.999 7.000– 7.999 8.000– 9.999 10.000–12.999
3
1.5
0.3–10.0
2.0–50.0
2
4 5 6
L–(2 ＋ SV ＋ N) ≧ 10
2.5
3
(P–0.08) ≦ PC ≦ P E When PC ＝ P designa te PCX
3.5
7
4
GV–CPMB–L
15.00–100.00
4.5
8
5 6 7 8
0.5–15.0
2.0–60.0
9
10 11 15 18
L–(2 ＋ SV ＋ N) ≧ 10
Use SVC code while processing plate by wire cutting. ＜ SVC code ＞
＜ WKC code ＞
10 13
Part Number – L – P – DC(DCX)
PC(PCX) – N – SV
Order
GV–CPM–L3 – 18.36 – DC2.950 – N2 – SV4 GV–CPMB–L1 – 20.05 – P0.995 – PCX – N2 – SV4
Delivery Quotation
353
354
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