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Analysis of plastic bottle threads cap mould
2019-12-20
1. Rotating deep screw teeth
1. During the injection molding process, there is a rotating equipment system in the mold. This action can be useful to maintain the integrity of the screw cap of the bottle cap. Therefore, the thread shape of the bottle cap can be effectively controlled, and the bottle cap wall will not be skewed when the thread of the bottle shin is rotated.
2. During the cap closing operation, the bottle cap can be converted into a straight force when the upper thread of the bottle shin is rotated to tighten the bottle cushion against the bottle shin.
3. Because the thread of the rotating teeth cannot be used to restrain the legend of the cap gasket from falling, the thread cap is glued when it is cushioned.
4. Rotating deep
screw has the following defects: A. This type of thread is not ambitious with multiple pads.
B. Threaded caps constrain the planning of bottle caps (for example, bottle caps with blocked threads cannot be rotated in the mold). Of course, the screw cap mold is more messy in planning and more expensive in production.
C. There is no restriction on the selection of raw materials when making deep screw caps.
2. Strong removal of shallow
screw teeth 1. During the injection molding process, the bottle cap can be easily removed from the mold without the need for mold rotation. Obviously, when planning the screw caps of the bottle caps, the threads need to be shallow in order to allow "force disengagement" during the injection molding process, and a moderate thread is sufficient to cover the bottle shin threads with excellent threads.
2. The strong-off threaded cap can be put without glue when the gasket is added. The useful constraint of the gasket to obtain the thread makes the cap gasket legend difficult to fall.
3, when you want to add multiple layers of liners to the cap or to carry out a variety of planning on the cap (such as bottle caps with blocked thread types), strong thread removal is the first choice.
4. The strong screw-off cap has restrictions on the raw materials during the injection molding process, during which polyethylene and polypropylene materials are popular choices.
1. During the injection molding process, there is a rotating equipment system in the mold. This action can be useful to maintain the integrity of the screw cap of the bottle cap. Therefore, the thread shape of the bottle cap can be effectively controlled, and the bottle cap wall will not be skewed when the thread of the bottle shin is rotated.
2. During the cap closing operation, the bottle cap can be converted into a straight force when the upper thread of the bottle shin is rotated to tighten the bottle cushion against the bottle shin.
3. Because the thread of the rotating teeth cannot be used to restrain the legend of the cap gasket from falling, the thread cap is glued when it is cushioned.
4. Rotating deep
screw has the following defects: A. This type of thread is not ambitious with multiple pads.
B. Threaded caps constrain the planning of bottle caps (for example, bottle caps with blocked threads cannot be rotated in the mold). Of course, the screw cap mold is more messy in planning and more expensive in production.
C. There is no restriction on the selection of raw materials when making deep screw caps.
2. Strong removal of shallow
screw teeth 1. During the injection molding process, the bottle cap can be easily removed from the mold without the need for mold rotation. Obviously, when planning the screw caps of the bottle caps, the threads need to be shallow in order to allow "force disengagement" during the injection molding process, and a moderate thread is sufficient to cover the bottle shin threads with excellent threads.
2. The strong-off threaded cap can be put without glue when the gasket is added. The useful constraint of the gasket to obtain the thread makes the cap gasket legend difficult to fall.
3, when you want to add multiple layers of liners to the cap or to carry out a variety of planning on the cap (such as bottle caps with blocked thread types), strong thread removal is the first choice.
4. The strong screw-off cap has restrictions on the raw materials during the injection molding process, during which polyethylene and polypropylene materials are popular choices.
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