12 cavity jar mold

12 cavity jar mold

A thirty-two 38mm caliber preform mold is specially designed for mineral water bottles. It adopts a needle valve-type balanced hot runner system to ensure a beautiful gate without wire drawing. The preform ejection cam design reduces the maintenance time of the mold.
The weight of the PET preform is 55 grams, and the mold is used in conjunction with the preform injection molding system. The production cycle of a general PET screw injection molding machine is 45 seconds. The production cycle of the injection molding machine in the dual injection molding system with the 3-station external cooling system is 24 seconds

Technical parameters of PET wide mouth preform mold
Mold name Thirty-two preform molds with a diameter of 38mm
Cavities 32 cavities
Caliber Caliber 38mm
Preform Weight 55 grams
Insert 2316 stainless steel imported from Germany
Template #50 steel
Forming cycle It takes 45 seconds to produce with a general PET screw injection molding machine
Double injection molding system and out-of-mold cooling system (PET Master line) Injection molding machine with dual injection molding system with 3-station external cooling system takes 24 seconds
Hot runner design Balanced hot runner with needle valve unit
Which injection molding machines are suitable Husky, Netstal PET line, PET Master and other general PET injection molding machines

Custom PET preform mold solutions

The company has after-sales service technicians and a good brand reputation, which guarantees the stability of the mold machine operation. Cutting-free intersection reduces manual labor intensity.

1. Research and development capabilities

Leizhen Mold can design and manufacture one-cavity to seventy-two-cavity molds (including preform injection system), and can also customize molds according to customer equipment. It can also be equipped with cold half mold, hot runner and main parts replacement for the mold. Fully adopt CAD/CAE/CAM system to design various preform molds.

2. Mold Features

1. Our company specializes in the production of valve needle molds, which do not require manual cutting. 2. The hot runner system is used to ensure that the AA value of the product is at a low level. 3. Reasonable cooling water channel design strengthens the cooling effect of the mold and effectively shortens the injection molding cycle.

3. Selection of materials

1. The main parts of the mold are made of FS136 material (Dalian Fushun Special Steel).
2. The mold base material adopts P20 material and electroplating treatment, which improves the corrosion resistance of the mold and prolongs the service life of the mold.

4. Processing equipment

Our company has introduced a number of machine tools, CNC lathes, grinding machines, etc., to ensure the processing accuracy of the parts and make the parts have good interchangeability. ), the weight error is less than 0.3g, 2-5 molds can be produced in one minute, and the service life can reach 2 million mold times.

5. Heating element

1. German Hotset original heating element.
2. The control electric box adopts German intelligent temperature control meter (PID continuous power control).
3. The temperature regulation control box or voltage regulation control electric box can be customized according to customer requirements.

6. Improve detection methods

The company is equipped with: eccentricity detector, electronic balance and other testing equipment. The production and testing of the company's threaded ports are strictly in accordance with the samples or data provided by customers. To achieve stable quality, timely delivery, reasonable price, considerate service, so that customers can rest assured and satisfied

Focus on your needs

Leizhen Mold is obsessed with every detail of the mold and fast and efficient after-sales service; each mold will be responsible for each mold; every problem will be taken seriously; Every promise will be practiced; Leizhen Mold helps customers generate economic benefits, which is our unremitting pursuit.
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Leizhen Preform Mold Manufacturing

At present, we have different series of PET preform molds, including double-lock pneumatic needle valve preform molds, ultra-short gate preform molds, wide-mouth preform molds, and five-gallon thick-wall preform molds. The company's preform mold department has a number of senior mold engineers and experienced engineers who work together to study and improve the quality of our preform molds.
  • 1. The overall structure of the mold is compact and precise, and the template material is P20.
  • 2. The mold base is processed by one-time clamping of all templates to ensure the concentricity of the forming hole and the guide post sleeve, and the overall mold base has high precision;
  • 3. The slider mold clamping adopts internal mold clamping, the material is P20, the structure is reliable, the mold is opened and closed as a whole, the steps (slider, push plate, ejection) are coordinated, and the contact surface of all sliding parts is made of advanced ion chrome Electroplating treatment, local surface hardness can reach HRC65-70, small friction coefficient, wear resistance;
  • 4. Slide block mold opening (Huff block) adopts HUSKY mechanical inner mold opening structure;
  • 5. The molding parts (injection core, injection cavity, die lip) are all made of S136 forged parts, and the HRC is greater than 48;
  • 6. Hot runner: The material of the hot runner is SKD61 high-strength and temperature-resistant material, and the HRC is greater than 30;
  • 7. The heating pipe of the main channel adopts Guangdong Chengye heating pipe, and the pipeline joint is embedded, which is not easy to be damaged;
  • 8. The hot nozzle adopts a Sino-foreign joint venture heating coil, which is reliable in quality assurance;
  • 9. The hot nozzle adopts HUSKY structure, straight feeding type, smooth flow path, smooth fitting part with the valve needle, high hole precision (within 0.004mm), surface hardness between HRC68-72, hot nozzle material is BO beryllium copper, HRC greater than 35;
  • 10. The valve needle is imported original needle rod, the material is SKD61, and the surface of HRC60-65 is specially treated, with high precision and wear resistance;
  • 11. The main channel hole is processed by high-precision deep hole drilling. The flow channel has high precision, smooth surface, low resistance, and will not cause carbonization of plastic molecules. The streamline spectrum of the preform product is clear and translucent;
  • 12. The cooling performance of the overall hot mold part is good. During the normal injection process, the temperature of the outside of the mold is low (about 40-55 ℃), and the fixed plate of the injection molding machine will not be thermally deformed due to the heating of the hot runner. Unfavorable factors such as expansion and other damage to the machine affect the accuracy of the mold.
  • 13. Interchangeability: Good CNC processing equipment ensures that all cavities and cores are interchangeable.