SKD61
PRECISION STRAIGHT CORE PINS WITH GAS VENT −SHAFT DIAMETER (D) SELECTION / SHAFT DIAMETER (P) 0.005mm DESIGNATION TYPE−
SKH51
Part Number – L – P – DC (DCX)/PC (PCX) – N – SV (SVC) – (KC/WKC … etc.) GV–CPV–L3 – 18.36 – DC2.990 – N2 – SVC – WKC1.5 GV–CPZB–L1 – 20.05 – P0.995 – PCX – N2 – SV4 –TRN
Type
M Material H Hardness
Alterations
Shaft Diameter (D) selection Shaft Diameter (P) designation
Alteration details D P.323
GV–CPZ–L GV–CPZB–L
SKD61
48–52HRC
Alterations Code
Spec.
Alterations Code
Spec.
GV–CPV–L GV–CPVB–L
SKH51
58–60HRC
Head diameter change HC = 0.1mm increments E (D or P) ≦ HC < H E In relation to the head diameter tolerance, alteration may create a straight piece with little diameter difference between the head and shaft.
HC
About Designation Unit for Key Flat Cutting
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
Single flat cutting (D or P)/2 ≦ KC < H/2 (D or P) ≧ 0.6
KC
0 － 0.01 KC
Head diameter change (precision) HCC = 0.1mm increments E (D or P) + 0.5 ≦ HCC ＜ H–0.3, (D or P) ≧ 0.6
(1) To align the key flat with the shaft diameter 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
HCC
＋
＋
0.5 0
0.2 0
2
SV
N
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
R ≦ 0.3
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
0
TC
TC
－ 0.02
Two flats cutting (D or P)/2 ≦ WKC < H/2 (D or P) ≧ 0.6
4
WKC
0 － 0.01 WKC
TRN
0 － 0.02 T 4 ＝
Numbering at the back part of the head Range of designation and Designation method D P.324 E Available when H ≧ 2 Process the SV part till the head end face. 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.
＋ 0.01 0
L
A15
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
KAC KBC
■ Shaft Diameter (D) Selection Type H Part Number
L 0.01mm increments
DC 0.005mm increments
N 0.1mm increments
SV 0.5mm increments
0 － 0.01 0
KBC
Type
D
SVC
KAC
－ 0.01
0.5 0.6 0.7 0.8 0.9 1 1.2 1.5
15.00–60.00
GV–CPV–L
SVC
2
■ Features 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.
3
0.3–10.0
2.0–50.0
15.00–100.00
L– (2 + SV + N) ≧ 10
Example
2
4 5 6
(D–0.08) ≦ DC ≦ D E When DC = D, designation of DCX
2.5
GV–CPZ–L GV–CPV–L
1. Assemble at the surface of product to release gas. 2.Assemble in the place where the gas gathers in the runner part, and release gas.
3
3.5
7
4
Gas is released from the clearance. Please set clearance to include the way of gas- ow according to resin and molding condition (Designate on DC/PC). ※ Gas ow
4.5 5
8
6 7 8
15.00–120.00
0.5–15.0
2.0–60.0
9
10 11 15 18
L– (2 + SV + N) ≧ 10
Molding products
10 13
■ Shaft Diameter (P) Designation Type H Part Number
L 0.01mm increments
P 0.005mm increments
PC 0.005mm increments
N 0.1mm increments
SV 0.5mm increments
Type
No. 0.6
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
GV–CPVB–L
1
3
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 W hen PC = P, designation of PCX
3.5
7
GV–CPZB–L GV–CPVB–L
4
4.5
8
5 6 7 8
15.00–120.00
0.5–15.0
2.0–60.0
9
10 11 15 18
L– (2 + SV + N) ≧ 10
＜ Alteration SVC ＞ Please use SVC alteration when processing plate by wire cutting.
＜ Alteration WKC ＞
10 13
DC (DCX) PC (PCX)
Part Number – L – P –
– N – SV
Order
GV–CPZ–L3 – 18.36 – DC2.955 – N2 – SV4 GV–CPVB–L1 – 20.05 – P0.995 – PCX – N2 – SV4
Delivery Quotation
465
466
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