CAVITY AND CORE COMPONENTS Sintered Vents – For Plastics Injection Molding
Features and Benefits of Sintered Vents – USV •
Venting of air or gas reduces occurrence of short shots and burned parts Self-contained standardized vents save time in design, installation and maintenance Wide variety of off-the-shelf standard sizes available Fast and easy replacement or cleaning of sintered vents improves productivity
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Sintered Vents
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Field tested to ensure product reliability
SINTERED VENTS FOR PLASTICS INJECTION MOLDING APPLICATIONS VENT MATERIAL: STAINLESS STEEL
POROSITY % OF EFFECTIVE Ø
OUTSIDE Ø (mm)
FULL LENGTH (mm)
PORE Ø (mm)
EFFECTIVE Ø (mm)
EFFECTIVE LENGTH (mm)
VENT TYPE
ITEM NUMBER
NO. OF PORES
Sintered vents are a unique venting plug composed of a large number of straight, parallel and uniform pores made through a powdered metallurgy process. The pores allow trapped air or gas to escape from the mold cavity during the injection molding process, thereby reducing the occurrence of defective parts. Application Recommendations Plastics injection mold- ing A 0.03mm vent diameter should be used with polymers such as polyethylene or polypropylene. Use a vent with a pore diameter of 0.05mm for low-flow polymers such as polycarbonate, nylon, or ABS. When molding highly viscous material (very low-flow properties), use a vent with a 0.10mm pore diameter. Stainless Steel sintered vents are recommended for plastic materials that are particularly gaseous or corrosive, such as PVC. Stainless Steel sintered vents are also recommended for plastic materials containing flame-retardants.
USV0035
2
10
280
0.03
25
1
10
USV0036
3
10
630
0.03
25
1.5
10
A
USV0038
2
10
250
0.05
25
1.7
10
USV0039
3
10
400
0.05
25
2
10
USV0040
4
10
400
0.05
25
2
10
USV0041
6
10
400
0.05
25
2
3
USV0042
8
10
1600
0.05
25
4
3
USV0043
10
10
3600
0.05
25
6
3
USV0044
12
10
6400
0.05
25
8
3
USV0045
15
10
10000
0.05
25
10
4
B
USV0046
5
10
76
0.10
19
2
3
USV0047
6
10
76
0.10
19
2
3
USV0048
8
10
300
0.10
19
4
3
USV0049
10
10
690
0.10
19
6
3
USV0050
12
10
1200
0.10
19
8
3
SINTERED VENTS FOR PLASTICS INJECTION MOLDING APPLICATIONS VENT MATERIAL: IRON ALLOY
POROSITY % OF EFFECTIVE Ø
OUTSIDE Ø (mm)
FULL LENGTH (mm)
PORE Ø (mm)
EFFECTIVE Ø (mm)
EFFECTIVE LENGTH (mm)
VENT TYPE
ITEM NUMBER
NO. OF PORES
USV0026
10
10
880
0.2
35
6
5.5
USV0027
10
10
880
0.10
29
5.5
5
USV0028
8
10
880
0.10
29
5.5
5
USV0029
10
10
880
0.05
18
3.5
5
B
USV0030
8
10
880
0.05
18
3.5
5
USV0031
6
10
880
0.05
18
3.5
5
USV0032
10
10
880
0.03
13
2.5
5
USV0033
8
10
880
0.03
13
2.5
5
USV0034
6
10
880
0.03
13
2.5
5
222
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