SKD61 SKH51
PRECISION STRAIGHT CORE PINS WITH GAS VENT −SHAFT DIAMETER (D) SELECTION / SHAFT DIAMETER (P) 0.005mm DESIGNATION TYPE−
– N – SV(SVC) – (KC/WKC … etc.)
Part Number – L – P – DC(DCX)/PC(PCX)
Type
M Material
H Hardness
High Speed Steel SKH51
Alterations
GV–CPV–L3 – 18.36
–
DC2.990 – N2 – SVC – WKC1.5
Shaft diameter (D) selection Shaft diameter (P) designation
GV–CPZB–L1 – 20.05 – P0.995 –
PCX
– N2 – SV4 –TRN
Alteration details D P.323
Die Steel SKD61
GV–CPZ–L GV–CPZB–L
SKD61 48–52HRC
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
GV–CPV–L GV–CPVB–L
SKH51 58–60HRC
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– 0.995 (D or P)–0.1 0.05 1 –2.5 1.000– 2.495 (D or P)–0.2 0.10 3 –4 2.500– 3.995 (D or P)–0.4 0.20 4.5/5 4.000– 4.995 (D or P)–0.6 0.30 6 –13 5.000–12.995 (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
＋
＋
0.5 0
0.2 0
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) (D or P) ≧ 0.6
Unit of designation Shaft diameter (D) selection 0.05mm increments possible Shaft diameter (P) designation 0.0025mm increments possible (2) To designate arbitrary key flat dimensions Unit of designation 0.1mm
2
SV
N
D or P TC 0.5 ≦ D or P ＜ 0.8 2.0 ≦ TC ＜ 4.0 0.8 ≦ D or P ≦ 13 1.5 ≦ TC ＜ 4.0
PROVA400 Pre-hardened Steel Hardening Steel
0
TC
TC
－ 0.02
Two flats cutting (D or P)/2 ≦ WKC ＜ H/2 (D or P) ≧ 0.6
R ≦ 0.3
WKC
4
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.
0 － 0.02 T 4 ＝
A15
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
NHC
8
KAC KBC
＋ 0.01 0
4mm
L
0 － 0.01 0
KBC
JIS (6/8mm)
■ Shaft diameter (D) selection type H Part Number
SVC
KAC
－ 0.01
L 0.01mm increments
DC 0.005mm increments
N 0.1mm increments
SV 0.5mm increments
SVC
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 0.7 0.8 0.9 1 1.2 1.5
15.00– 60.00
GV–CPV–L
2
D (P) –0.01 –0.02 D (P) 0
–0.005
3
Example
D (P) 0
0.3–10.0
2.0–50.0
–0.003
15.00–100.00
L–(2 ＋ SV ＋ N) ≧ 10
Total Length Designation Total Length Designation
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.
2
4 5 6
(D–0.08) ≦ DC ≦ D E When DC=D designate DCX
Shaft Diameter / Total Length Designation Free Designation
2.5
GV–CPZ–L GV–CPV–L
3
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.
3.5
7
4
4.5 5
Tip Process
8
Molding
15.00–120.00
0.5–15.0
2.0–60.0
6 7 8
9
Engraving
10 11 15 18
L–(2 ＋ SV ＋ N) ≧ 10
Gas Vent Gas Vent
10 13
■ Shaft diameter (P) designation type H Part Number
L 0.01mm increments
P 0.005mm increments 0.500– 0.595 0.600– 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– 5.995 6.000– 6.995 7.000– 7.995 8.000– 9.995 10.000–12.995
PC 0.005mm increments
N 0.1mm increments
SV 0.5mm increments
Type
No. 0.6
GV–CPVB–L
3
1
1.5
15.00–100.00
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 designate PCX
3.5
7
GV–CPZB–L GV–CPVB–L
4
4.5
8
5 6 7 8
＜ SVC code ＞ Use SVC code while processing plate by wire cutting.
＜ WKC code ＞
15.00–120.00
0.5–15.0
2.0–60.0
9
L–(2 ＋ SV ＋ N) ≧ 10
10 11 15 18
10 13
Part Number – L – P – DC(DCX)
PC(PCX) – N – SV
Order
GV–CPZ–L3 – 18.36 – DC2.955 – N2 – SV4 GV–CPVB–L1 – 20.05 – P0.995 – PCX – N2 – SV4
351
352
Quotation
Delivery
Powered by FlippingBook