Plastic PP Injection Oil Bottle Undcrew Cap Mould

Product Parameters

A Comprehensive Analysis of the Wide-mouth Anti-theft Cap Mold

In the packaging field, the wide-mouth anti-theft caps used for large barrels provide a guarantee for the safety of product storage and transportation with their excellent sealing and anti-theft performance. The molds suitable for these bottle caps incorporate a number of advanced technologies and processes in the design and manufacturing stages, and the following will provide a detailed introduction to them.

I. Material Selection

1. P20 Mold Plate: P20 is a pre-hardened plastic mold steel. It has a hardness of HRC30 - 42 when leaving the factory and can be directly subjected to machining without complex heat treatment, which greatly shortens the manufacturing cycle of the mold. This steel has undergone vacuum degassing and refining treatment, with high material purity, and can meet the requirements of fine surface treatment processes such as polishing and texturing. In the wide-mouth anti-theft cap mold, the P20 mold plate provides the necessary strength and rigidity for the mold, ensuring that the mold maintains stable dimensional accuracy during frequent opening and closing processes, and enabling long-term and stable mass production.

2. S136 Stainless Steel Inserts: The slider inserts, cavity inserts, and core inserts all adopt S136 stainless steel materials. S136 has a uniform microstructure and extremely low impurity content. After quenching and tempering treatment, the hardness can reach 48 - 54HRC. During the quenching process, its dimensional stability is excellent, which provides a strong guarantee for the machining of high-precision mold inserts. S136 has excellent corrosion resistance and can effectively resist the erosion of corrosive liquids or gases that may be contained in large barrels, prolonging the service life of the inserts and even the entire mold. In addition, the good machining performance of S136 enables it to meet the machining requirements of complex-shaped inserts, ensuring that the bottle caps formed by the mold have a high-precision surface quality.

II. Thread Demoulding System

The wide-mouth anti-theft cap is provided with threads of a specific depth. Due to the limitation of the thread depth, it is impossible to use the forced demoulding method. Therefore, the mold is equipped with an automatic rotary demoulding system driven by a motor. This system precisely controls the rotational movement of the thread core through a motor and a gear transmission mechanism, enabling the bottle cap to be smoothly and accurately separated from the thread core after injection molding. Compared with traditional manual demoulding or other complex demoulding methods, this automatic rotary demoulding system not only improves the demoulding efficiency, reduces the errors and losses that may be caused by manual operation, but also greatly enhances the continuity and stability of production, meeting the requirements of modern large-scale production.

III. Molding Cycle and Machining Accuracy

1. Molding Cycle: The molding cycle of the mold is controlled within 25 - 30 seconds per mold. This high-efficiency molding speed benefits from the reasonable design of the mold's cooling system and the optimized injection molding process. The cooling system, through the precisely arranged cooling water channels, ensures that the mold can dissipate heat rapidly and evenly during the injection molding process, accelerating the cooling and solidification of the bottle cap, thus shortening the molding cycle and improving production efficiency.

2. Machining Accuracy: The machining accuracy of the mold is extremely high, which is a key factor in ensuring the quality of the wide-mouth anti-theft cap. From the machining of the mold plate to the manufacturing and assembly of the inserts, every link strictly follows high-precision machining standards. The high-precision mold not only ensures the dimensional accuracy of the bottle cap, enabling it to perfectly fit the large barrel, but also improves the appearance quality and anti-theft performance of the bottle cap. For example, the machining accuracy of the mold's parting surface is extremely high, effectively avoiding the generation of defects such as flash and burrs, and ensuring the sealing performance and appearance flatness of the bottle cap. In addition, the high-precision machining of the thread core ensures the accuracy and quality of the bottle cap's threads, enabling it to be smoothly screwed onto the large barrel and play the anti-theft function.

This wide-mouth anti-theft cap mold, with its advanced design, high-quality materials, and high-precision machining, achieves efficient and stable production, providing a reliable guarantee for the quality and safety of large barrel packaging.

A Comprehensive Analysis of the Wide-mouth Anti-theft Cap Mold

In the packaging field, the wide-mouth anti-theft caps used for large barrels provide a guarantee for the safety of product storage and transportation with their excellent sealing and anti-theft performance. The molds suitable for these bottle caps incorporate a number of advanced technologies and processes in the design and manufacturing stages, and the following will provide a detailed introduction to them.

I. Material Selection

1. P20 Mold Plate: P20 is a pre-hardened plastic mold steel. It has a hardness of HRC25 - 30 when leaving the factory and can be directly subjected to machining without complex heat treatment, which greatly shortens the manufacturing cycle of the mold. This steel has undergone vacuum degassing and refining treatment, with high material purity, and can meet the requirements of fine surface treatment processes such as polishing and texturing. In the wide-mouth anti-theft cap mold, the P20 mold plate provides the necessary strength and rigidity for the mold, ensuring that the mold maintains stable dimensional accuracy during frequent opening and closing processes, and enabling long-term and stable mass production.

2. S136 Stainless Steel Inserts: The slider inserts, cavity inserts, and core inserts all adopt S136 stainless steel materials. S136 has a uniform microstructure and extremely low impurity content. After quenching and tempering treatment, the hardness can reach 45 - 48HRC. During the quenching process, its dimensional stability is excellent, which provides a strong guarantee for the machining of high-precision mold inserts. S136 has excellent corrosion resistance and can effectively resist the erosion of corrosive liquids or gases that may be contained in large barrels, prolonging the service life of the inserts and even the entire mold. In addition, the good machining performance of S136 enables it to meet the machining requirements of complex-shaped inserts, ensuring that the bottle caps formed by the mold have a high-precision surface quality.

II. Thread Demoulding System

The wide-mouth anti-theft cap is provided with threads of a specific depth. Due to the limitation of the thread depth, it is impossible to use the forced demoulding method. Therefore, the mold is equipped with an automatic rotary demoulding system driven by a motor. This system precisely controls the rotational movement of the thread core through a motor and a gear transmission mechanism, enabling the bottle cap to be smoothly and accurately separated from the thread core after injection molding. Compared with traditional manual demoulding or other complex demoulding methods, this automatic rotary demoulding system not only improves the demoulding efficiency, reduces the errors and losses that may be caused by manual operation, but also greatly enhances the continuity and stability of production, meeting the requirements of modern large-scale production.

III. Molding Cycle and Machining Accuracy

1. Molding Cycle: The molding cycle of the mold is controlled within 25 - 30 seconds per mold. This high-efficiency molding speed benefits from the reasonable design of the mold's cooling system and the optimized injection molding process. The cooling system, through the precisely arranged cooling water channels, ensures that the mold can dissipate heat rapidly and evenly during the injection molding process, accelerating the cooling and solidification of the bottle cap, thus shortening the molding cycle and improving production efficiency.

2. Machining Accuracy: The machining accuracy of the mold is extremely high, which is a key factor in ensuring the quality of the wide-mouth anti-theft cap. From the machining of the mold plate to the manufacturing and assembly of the inserts, every link strictly follows high-precision machining standards. The high-precision mold not only ensures the dimensional accuracy of the bottle cap, enabling it to perfectly fit the large barrel, but also improves the appearance quality and anti-theft performance of the bottle cap. For example, the machining accuracy of the mold's parting surface is extremely high, effectively avoiding the generation of defects such as flash and burrs, and ensuring the sealing performance and appearance flatness of the bottle cap. In addition, the high-precision machining of the thread core ensures the accuracy and quality of the bottle cap's threads, enabling it to be smoothly screwed onto the large barrel and play the anti-theft function.

This wide-mouth anti-theft cap mold, with its advanced design, high-quality materials, and high-precision machining, achieves efficient and stable production, providing a reliable guarantee for the quality and safety of large barrel packaging.

Product Description

	ADVANTAGE   1) Saving 10%-30% cost than others.   2)  Direct factory price   3) Life:3, 000, 000 time   4) 2D and 3D provided   5) Quick T1  time: 25-40 days   6) More than 15 years experience
	MOULD  MANUFACTURE  PROCESS   Cap Mould : grinding→fly-cutter →CNC   Milling→drilling→lathe→boring lathe→electric pulse →fine   fly-cutter→polish→electroplate→install

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