国际瓶径及螺纹标准

瓶盖模具符合国际瓶品标准: 18-415, 20-415, 24-415,28-415, 33-400, 38-400, 45-400, 58-400,63-400等. 国际上最通用的瓶盖瓶口标准是:20-410, 20-415, 24-410,24-415, 28-410,28-415等等。


T - Outside diameter of the continuous thread E - Outside diameter of the finish shaft excluding thread I - The inside diameter of the finish at the smallest possible point S - The distance between the top of the finish to the top of the thread L - The distance between the top of the finish to the top of the transfer bead (optional) H - Height from the top of the finish to the bottom where it intersects with the shoulder W - The thickness of the transfer bead (optional)
Plastic thread form finishes typically have a standard "M" style thread form, shown here. An "L" style can also be used but is not as common. The root dimension will vary depending on the threads per inch of the finish. Special thread forms can also be designed.

1 turn of thread

1圈螺牙

1.5 turn of thread 1.5

圈螺牙

Tall 2 turns thread

高位2圈螺牙

Short 2 turns thread

低位2圈螺牙


Recommended Application Torque

国际通用瓶盖扭力推荐数据 (Inch / Pounds)

Cap Size

Glass

Plastic

20

8-12

10-12

24

10-15

12-15

28

11-17

13-17

33

13-20

16-20

38

15-23

19-23

43

17-26

21-26

45

18-28

23-28

48

19-29

24-29

53

21-32

27-32

58

23-35

29-35

63

25-38

31-38

70

28-42

35-42

89

26-53

44-53

100

40-60

48-60

110

45-65

55-65

120

48-72

60-72

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