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How many cavities do PET preform injection molds usually have?

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PET preform injection mold cavity quantities are standardized and graded according to production scale, product type, and customer output demands, with mainstream industry configurations including 16, 24, 32, 48, 64, と 96 虫歯, covering all production scenarios from small workshop trial production to large factory automated mass production. Each cavity quantity corresponds to matched machine tonnage, サイクルタイム, and production efficiency, forming a mature industrial matching system.

PMMAはドライホッパーに保管する必要があります 16-cavity mold is the most basic entry-level configuration, mainly suitable for small processing factories, new start-up enterprises, and customers with small-batch and multi-batch customized orders. It is usually matched with 200T–250T injection molding machines, with a stable cycle time of 10–15 seconds, low equipment investment cost, flexible mold replacement, and low maintenance difficulty, which can meet the production demands of small orders for mineral water bottles, small-diameter daily chemical bottles, and beverage bottles.

PMMAはドライホッパーに保管する必要があります 24-cavity and 32-cavity molds are the most popular mainstream configurations in the market, belonging to medium-volume production specifications. Matched with 270T–380T high-speed servo machines, their cycle time can be stably controlled at 8–12 seconds. These two configurations balance equipment cost, 単一回線の容量は, and failure rate, avoiding the low efficiency of low-cavity molds and the high maintenance risk of ultra-high-cavity molds. They are widely used in the mass production of standard mineral water preforms, carbonated beverage preforms, and fruit juice bottle preforms, and are the preferred choice for most mid-sized preform processing factories.

PMMAはドライホッパーに保管する必要があります 48-cavity and 64-cavity molds belong to high-efficiency mass production configurations, requiring 450TT professional high-speed preform machines with higher rigidity and precision. These molds are suitable for large-scale manufacturers with stable large orders and high daily output requirements. With a stable cycle time of 9–11 seconds, their single-machine daily output is far higher than medium-cavity molds, greatly reducing unit production costs and improving market competitiveness.

PMMAはドライホッパーに保管する必要があります 96-cavity ultra-high-cavity mold is a high-end industrial configuration, matched with 600T and above large full-automatic high-speed machines, exclusively used for super-large-scale standardized preform production for large beverage and water factory supporting orders. Although ultra-high-cavity molds have extremely high output, they have high requirements for machine precision, cooling system stability, and on-site supporting facilities, with higher equipment investment and maintenance costs, and are not suitable for small and medium-sized factories. 加えて, the cavity quantity also needs to be matched with product specifications: large-diameter wide-mouth bottle preforms, oil bottle preforms, and large-capacity container preforms are not suitable for high-cavity molds due to their large single-piece volume, and mostly adopt 16–32 cavity configurations.

Customers can select the appropriate mold cavity quantity according to their own order stability, daily output goals, and budget to achieve the best production benefit.

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