Crafts, Special-shaped Bottle Series Blow Molding Machine

Two-Step Flexibility

Decoupled preform and blow stages mean you can switch container formats, change cavity counts, or use third-party preforms without retooling the entire line. Run one SKU in the morning and a completely different bottle profile in the afternoon.

Wide Container Range

From compact 1,000 ml baby bottles to large 15,000 ml craft or industrial containers, the HGA series spans a capacity range few competing platforms match. Maximum container height reaches 450 mm and diameter 240 mm, accommodating unusually tall or wide vessel profiles.

High Theoretical Output

Depending on model, rated theoretical output reaches up to 2,800 bottles per hour. The HGA.JS-4C114 four-cavity configuration is engineered specifically for high-volume scenarios where throughput-per-floor-area matters, without sacrificing surface finish on complex geometries.

Stable and Reliable Performance

The machine’s pneumatic, hydraulic, and cooling systems are independently regulated, keeping process variables stable across long production runs. Operating pressure sits at 7 kg/cm2 for air, with a separate 5-6 kg/cm2 blowing circuit, and cooling water flow is managed at 30 ltr/min across most models.

Custom Tooling and Mould Support

We supply matched mould sets for all standard container profiles and accept bespoke mould specifications for craft, cosmetic, food, and specialty industrial bottles. Preform holder counts range from 40 to 488, and cavity configurations cover 1, 2, and 4 cavities depending on the model.

Energy-Efficient Heating

Max heating power reaches 85 kW on the larger ES-2C200 model, while actual running heating power in typical cycles is substantially lower — delivering cost-effective thermal performance even for UK facilities operating under rising energy costs. Cooling water temperature range of 8-12 degrees C is easily met by standard chiller systems used in British plastics plants.

Two-Step Process Explained

In the two-step blow moulding process, preforms are manufactured independently — either in-house on a separate injection moulding machine or purchased from a specialist preform supplier. These preforms are then loaded into the HGA machine, where an infrared heating station brings them to the precise stretch temperature (typically 90-120 degrees C for PET). A stretch rod then extends the preform axially while high-pressure air inflates it radially into the mould cavity. Because heating and blowing are in separate machines, operators can stockpile preforms, run blow moulding at a different pace from injection, and switch container designs simply by changing moulds and preform specifications — a major advantage for UK converters managing multiple SKUs or seasonal packaging runs.

Compatible Materials

The HGA Series is engineered to process PET (polyethylene terephthalate) and PP (polypropylene) as primary resins. PET is the most widely used material for clear beverage bottles, cosmetic containers, and food-grade packaging across the UK market. PP is preferred for opaque or semi-translucent applications including baby feeding bottles, personal care products, and certain pharmaceutical containers. For special-shaped craft and decorative bottles, colour masterbatch compatibility allows vivid, uniform colouration without surface defects. The clamping and stretching stroke parameters vary per model to accommodate the different melt behaviour and wall thickness requirements of these two resin families.

Application Scenarios

• Baby feeding bottles and infant care containers
• Craft and gift packaging — decorative, irregular, or faceted vessel shapes
• PP wide-mouth jars for food (honey, condiments, protein powder)
• Cosmetic and personal care bottles with complex shoulder geometry
• Pharmaceutical and nutraceutical containers
• Special-shaped industrial fluid bottles requiring pressure resistance
• Beverage containers: juices, functional drinks, water dispensers
• Arts and homeware gift items requiring unique silhouettes

We had been running a one-step machine and struggled every time we switched bottle sizes. The two-step HGA approach completely changed that — we stock preforms and blow on demand. Setup time dropped from half a day to under 45 minutes.

The custom mould service was the deciding factor. We had a complex hexagonal bottle that three other machine suppliers said was impossible to blow consistently. The team redesigned the tooling and we have been running it at commercial volumes for over eight months with excellent wall uniformity.

Very impressed with the technical support during commissioning. The team understood our product spec from the first call and delivered a machine ready to run immediately. Energy consumption is noticeably lower than the previous line we operated.

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