EP-BPET-94V3 3-Station Injection Stretch Blow Moulding Machine

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Он EP-BPET-94V3 3-station injection stretch blow moulding machine sits in an unusual corner of the ISBM market: heavy-duty clamping combined with short-cycle rotary design. On paper it looks like a compromise — a 3-station platform without the dedicated conditioning position that 4-station machines use for fine thermal control. In practice, for the bulk of Korean beverage, household chemical, and edible oil production, that conditioning station is not needed because the bottles are standard round geometries where residual preform heat from injection is already tuned for the subsequent blow phase. Stripping out the conditioning station saves one full index rotation per cycle, which translates to 15 to 20 percent shorter cycle times and correspondingly higher hourly output.

What makes the BPET-94V3 especially interesting in the Korean market is its 785 KN injection clamping force. This is the highest clamping rating in any 3-station class from any supplier we are aware of — roughly 15 percent above our own 4-station BPET-125V4, and well above any Japanese or European 3-station machine in the comparable tonnage range. The immediate practical benefit is that the machine holds 8-cavity high-output tooling without flashing, and it tolerates higher-IV PET grades without requiring extended injection pressure ramp profiles. Factories running mid-volume 500 ml to 1 L beverage bottles are the typical buyers, and the hourly throughput advantage against a conventional 4-station machine usually pays back the slightly higher machine cost within the first production year.

Material flexibility matches the 4-station BPET-125V4 almost exactly. The 60 mm plasticizing screw with 24:1 L/D ratio and 12.5 KW barrel heating handles PET and PETG as standard, along with PC, PCTG, PP, Tritan, SAN, PS, and PMMA when the application calls for it. The one caveat on 3-station architecture is that complex oval or asymmetric bottle geometries — where preferential preform heating is needed to prevent thin corners — are better served by a 4-station platform. For the 90 percent of real-world bottles that are round or near-round, the 3 station ISBM machine approach delivers better economics. Korean beverage bottlers in Daegu, Busan, and Ulsan have already moved production from older 2-step lines onto the BPET-94V3 over the past two years, consistently reporting 30 to 40 percent energy reduction and 18 to 22 percent cycle time improvement.

Ever-Power ships the BPET-94V3 with platen layouts that accept standard Japanese 3-station ISBM tooling, which matters because operators upgrading from an aging Nissei or similar machine can frequently drop their existing moulds directly onto the new chassis. For greenfield orders, our in-house tool shop builds matched 1-to-8 cavity tooling with typical lead times of 40 to 55 working days. The 4800 × 2050 × 3000 mm footprint is 20 cm shorter than the 4-station BPET-125V4 even though the two machines share the same 11.6-ton chassis mass and nearly identical auxiliary requirements. For plants where floor space constraint is tight, those 20 centimeters actually matter.

Technical Specifications & Cavity Matrix

Every parameter listed below is verified against our production test-run data on installed BPET-94V3 units. Before finalizing a quotation, our engineering team reviews the screw-size choice, cavity count target, and preform weight against your specific resin grade and annual volume plan. The cavity matrix further down represents practical maximum bottle envelopes at each cavity count.

Machine Technical Parameters

Cavity Configuration & Bottle Capacity (1 – 8 Cavities)

One machine covers the full span from 4.5 L bulk water jugs down to 200 ml retail bottles. The matrix below is based on actual production tooling we have built over the past three years for Korean and East Asian customers.

3-Station vs 4-Station — Which Architecture Fits Your Production?

The choice between a 3-station and 4-station ISBM platform is one of the most consequential decisions in ISBM equipment selection, and it is not well understood outside of experienced process engineers. The short answer: 3-station machines win on throughput and energy, 4-station machines win on bottle-shape flexibility. Below is a breakdown of when each architecture makes sense in practice.

Where the 3-Station BPET-94V3 Wins

Standard round bottles — water bottles, juice bottles, household chemical containers, edible oil bottles, sports drink bottles — do not need preferential preform heating. The preform comes off the injection core at a wall-temperature profile already suitable for stretching, provided the injection cycle is tuned correctly. Skipping the conditioning station saves roughly 3 to 5 seconds per cycle depending on bottle size, which compounds to 15 to 22 percent higher hourly output. For volume-driven production where the same bottle runs for weeks at a time, this throughput advantage directly determines the capital payback.

Where 4-Station Architecture Wins Instead

Oval, flat-sided, or asymmetric bottles — premium cosmetic containers, decanter shapes, unusual brand silhouettes — often require differential preform heating to stretch evenly into all corners of the mould. The dedicated conditioning station on a 4-station machine like the HGY150-V4 applies infrared heat selectively to specific preform zones, which prevents the thin-wall corners that otherwise cause rejects. For complex geometries, the cycle time penalty of the extra station is worth it because the alternative is unacceptable reject rates.

Comparison Table

Inside the 3-Station Cycle — Step by Step

A 3-station ISBM machine completes the entire process from raw resin to finished bottle in a single rotary sweep of 360 degrees, divided into three 120-degree indexed positions. Understanding exactly what happens at each station is key to dialing in process parameters for your specific resin and bottle geometry.

Station 1 — Injection Molding with 785 KN Clamping

Raw PET, PETG, PC, or other resin feeds from the hopper into the 60 mm plasticizing screw. The screw operates at 180 rpm standard speed with 12.5 KW of nano-far-infrared heating to melt the resin at the required process temperature, typically 275 to 290 Celsius for PET. The 785 KN injection clamping force holds the mould closed during cavity fill at peak pressures up to 90 MPa. The neck finish is fully formed at this station with thread tolerance held within 0.02 mm, which is the dimensional accuracy Korean automated capping lines require for leak-proof sealing.

Station 2 — Stretch Blow with Residual Heat

After 120 degrees of indexing, the preform (still hot at approximately 95 to 110 Celsius after partial cooling on the core rod) arrives at the stretch-blow station. A servo-controlled stretch rod drives axially, elongating the preform against mechanical stops, while high-pressure air in the 2.0 to 3.5 MPa range inflates the plastic radially against the chilled blow cavity walls. This biaxial orientation is the fundamental physics that gives stretch-blown bottles their characteristic clarity, drop resistance, and wall-thickness uniformity. The 298 KN blow clamping force per side is sized for wide-mouth geometries up to 110 mm neck diameter, where projected mould area is significantly larger than for standard cosmetic bottles.

Station 3 — Take-out & Cooling

The turntable indexes the final 120 degrees, carrying the formed bottle into the take-out position. A servo-driven gripper strips the bottle from the core rod and places it upright on the exit conveyor. Because the bottle is still slightly warm at this stage (approximately 45 to 60 Celsius), we recommend a minimum 2-meter conveyor run to ambient air before the bottle reaches any downstream packaging station, which allows the PET to complete its dimensional stabilization. For pharmaceutical and food-contact applications, the entire cycle from resin feed to bottle exit happens inside an enclosed cell with zero human contact, which satisfies GMP and food-safety requirements without any additional isolation hardware.

Application Scenarios — Where the BPET-94V3 Excels

The four application areas below account for the majority of Korean and East Asian BPET-94V3 deployments since 2023. All share one common characteristic: high-volume production of standard round bottle geometries where throughput and energy economics matter more than shape complexity.

Mid-Size Beverage Bottles (500 ml – 2 L)

Korean regional beverage bottlers producing 500 ml juice, 1 L isotonic sports drinks, and 1.5 L bottled water have moved production from aging 2-step lines onto the BPET-94V3 over the past two years. On a 6-cavity 500 ml configuration, the machine delivers roughly 2,800 bottles per hour, which matches the daily throughput requirement of a mid-tier regional brand. Energy cost per bottle drops by 30 to 35 percent compared to the previous 2-step line, because the preform never cools down between injection and blow — there is simply no reheating cycle to pay for.

Household Chemical & Detergent Containers

Dishwashing liquid, laundry detergent, bathroom cleaners, and fabric softener bottles in 500 ml to 1.5 L formats are a natural fit for 3-station production because the geometries are round, the volumes are large, and the price sensitivity is high. A Korean household chemical contract filler running 1 L bottles on 4-cavity tooling reported hourly output of 1,400 bottles at commissioning, sustained across 12-hour continuous shifts. The 785 KN injection clamping handles the slightly higher-IV PET grades that these applications prefer for chemical compatibility.

Edible Oil & Cooking Sauce Packaging

Sesame oil, soybean oil, and specialty cooking sauces are packaged in 500 ml to 2.5 L PET bottles that need excellent oxygen barrier and reasonable drop resistance. The biaxial molecular orientation from the stretch-blow process gives these bottles a barrier improvement of 15 to 20 percent versus simple extrusion blow, and the 3 station injection stretch blow molding machine cycle time keeps per-bottle cost competitive against imported PET containers. Korean cooking oil brands in Daegu and Jeonju have reported reject rates below 0.3 percent after the first month of production stabilization.

Standard-Shape Cosmetic & Personal Care Bottles

Round shampoo bottles, conditioner containers, body wash flacons, and lotion bottles in 200 ml to 800 ml formats benefit from the 3-station cycle economics. These are not the premium oval or flat-sided K-beauty bottles that would demand 4-station thermal conditioning — these are the workhorse round packaging that makes up 80 percent of the Korean personal-care volume market. On 8-cavity 200 ml tooling, the BPET-94V3 hits 4,200 bottles per hour, making it the right choice for contract fillers serving private-label supermarket brands.

Core Advantages at a Glance

Six strengths define the EP-BPET-94V3 against both competing 3-station platforms and larger 4-station alternatives. Each has been measured on installed production lines across Korea and East Asia.

Hot-Preform vs Cold-Preform — Why One-Step Beats Two-Step

A question that comes up constantly from Korean factory engineers evaluating their first ISBM purchase is whether a one-step machine really justifies its price premium over a two-step system with separate injection-moulded preforms and downstream reheat-blow machines. The honest answer depends on your bottle volume and quality targets, but for the production volumes typical of Korean regional brands, one-step wins on both dimensions.

The Two-Step (Cold-Preform) Method

In a two-step system, preforms are injection-moulded at one facility, then cooled and stored (often for days or weeks), then shipped to a separate reheat-blow machine that heats them back up to stretch-blow temperature before forming the final bottle. This approach works at extremely high volumes (tens of millions of bottles per year) where preform manufacturing is optimized for scale, but it introduces several compromises: preforms pick up moisture during storage, suffer scuff-mark contamination during transit, and consume energy twice — once to cool from injection and again to reheat for blowing. Reject rates on two-step production typically run 1 to 3 percent due to preform surface defects.

The BPET-94V3 One-Step (Hot-Preform) Method

Он 3-station injection stretch blow moulding machine keeps the preform on the injection core rod from melt pour through final bottle formation. There is no cooling, no storage, no reheating, no transit. Energy consumed at the injection station is partially recovered by using the residual preform heat for blowing. Surface contamination and moisture ingress are eliminated by design. For Korean production volumes in the 3 to 30 million bottle per year range, the one-step approach delivers reject rates under 0.5 percent and energy cost per bottle 30 to 40 percent below a comparable two-step line. The BPET-94V3 has become the default answer in this volume band over the past three years.

  

Selection Guide — Confirm These Before Ordering

A correctly scoped BPET-94V3 order ships in 60 to 70 working days from deposit and commissions within one week onsite. Before our engineering team finalizes a quotation, please confirm the following items.

• Bottle geometry — share a 3D STEP file plus body diameter, overall height, neck finish standard, and shape classification (round, slightly tapered, or complex). If your geometry is heavily asymmetric or oval, our engineers may recommend a 4-station platform instead.
• Target finished bottle weight and fill volume, including any lightweighting targets versus the current container.
• Resin grade, supplier, and IV value — 785 KN clamping handles up to 0.84 IV PET without back-pressure issues, which covers most Korean suppliers.
• Annual production volume — the 3-station BPET-94V3 pays back fastest at 3 to 30 million bottles per year on a single SKU. Above that, consider the 6-station HGYS280-V6 or multi-machine deployment.
• Cavity count target — we run a capacity and payback calculation to recommend the most economical cavitation for your specific annual volume.
• Voltage and frequency — Korean 380 V / 60 Hz is standard; 400 V / 50 Hz and other regional variants available on request.
• Compressed air supply — 3.5 MPa high-pressure at 4 cubic meters per minute for blowing, plus low-pressure feed for pneumatic controls.
• Chiller capacity — 80 L/min chilled water at 12 Celsius for mould cooling plus 200 L/min cooling tower water for hydraulic oil cooling.
• Installation footprint — confirm 6.5 × 3 meters of clear floor space plus overhead crane access of at least 4 meters, and a structural floor rated for 12 tons point loading.
• Existing 3-station tooling — if upgrading from an older Nissei or similar machine, send us the mould base drawings and we will verify drop-in compatibility before shipment.

BPET-94V3 vs HGY50-V3-EV vs BPET-70V4 — Which Is Right for Your Plant?

For buyers deciding between Ever-Power's short-cycle platforms, the comparison below highlights the practical trade-offs. This guidance is meant for selection purposes only and does not imply any performance deficiency in the smaller 3-station or compact 4-station alternatives, each of which is optimized for its own production scale.

The BPET-94V3 fits buyers who produce 3 to 30 million round bottles per year on a small number of stable SKUs. For premium small-batch oval cosmetic work, the full-servo HGY50-V3-EV is the right fit, while the compact 4-station BPET-70V4 serves R&D, pilot, and short-run production. Full details on all models sit inside the 3-станционная машина ISBM и 4-станционная машина ISBM categories.

Quality Assurance & Service Commitment

The EP-BPET-94V3 ships with ISO 9001:2015 quality management certification, CE marking for European market access, and our standard 12-month warranty from Final Acceptance Test at the customer site. Every unit undergoes a 72-hour continuous production test at our Guangdong facility with the customer's specified preform weight and cavity geometry before crating, and the FAT report accompanies the machine for sign-off during onsite commissioning.

Standard service coverage includes one week of onsite training by a bilingual Korean-speaking engineer, covering safe operation, HMI recipe management, mould changeover procedures, preventive maintenance, and first-line troubleshooting. The customer covers engineer airfare, visa, accommodation, meals, and a 150 USD per-day allowance as specified in our standard cooperation proposal. For the first 90 days post-commissioning, remote engineering support is available 24 hours a day through the PLC VPN interface, and software issues typically resolve within two hours. For hardware, common wear parts ship same-day from our Ansan regional warehouse to Gyeonggi-do and Seoul destinations, with next-day KTX cargo for locations south of Daejeon.

Why Choose Ever-Power for 3-Station ISBM Production

Selecting a 3-station машина для литья под давлением с растяжением и выдувным формованием is a 10-year production commitment. The supplier behind the equipment matters as much as the equipment itself, and Ever-Power has spent two decades focused exclusively on this category.

• Over 20 years of dedicated ISBM engineering with a 25-engineer R&D team working exclusively on injection stretch blow moulding platform development, giving genuine depth on both 3-station and 4-station architectures.
• 30,000 square meter production facility with complete in-house supply chain from structural steel welding through servo assembly, tool manufacturing, and final trial-molding verification under one roof.
• 500+ machines delivered globally across Korea, Japan, Vietnam, Thailand, Indonesia, Malaysia, Russia, and Brazil, with documented 99.5% customer satisfaction in annual post-installation surveys.
• Tier-one global components — Parker valves, Yaskawa and Inovance servo motors, YUKEN hydraulic valves — sourced through regional distributors for fast spare-parts delivery across East Asia.
• In-house mould tool shop producing preform cavities, core rod assemblies, and blow moulds for the BPET-94V3 on German 5-axis CNC equipment, with trial-molding validation before every shipment.
• Korean-language onsite commissioning by a bilingual engineer, followed by remote PLC diagnostic support through the internet interface 24 hours a day.
• Complete auxiliary specification — matched air compressors, chillers, dryers, and mould temperature controllers available through our verified partner network for single-source accountability.

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Related Products & Matching Components

A short-cycle 3-station production line only hits its rated throughput when every auxiliary component is correctly sized. Below is the equipment ecosystem we specify for every BPET-94V3 installation, available through Ever-Power and our verified partner network.

• Industrial oil-free screw air compressor rated for 3.5 MPa at 4 cubic meters per minute. Clean air is the single biggest determinant of bottle clarity on high-cavity tooling, and Class 0 oil-free certification is mandatory for food-contact and pharmaceutical applications. Matched units available through our oil-free compressor partner.
• Chiller and cooling tower pair delivering 80 L/min chilled water at 12 Celsius for the blow mould cavity plus 200 L/min cooling tower water for hydraulic oil cooling. A 25-ton chiller covers most BPET-94V3 installations running 6-cavity or smaller tooling.
• Осушитель на основе смолы with integrated dew-point monitoring. Critical for PET and PC where 0.1 percent excess moisture causes hydrolysis and visible silver streaks. A 150 kg-capacity hopper dryer is typically adequate for continuous BPET-94V3 production.
• Precision main transmission components — the turntable indexing uses hardened alloy steel shafts that withstand servo start-stop torque without measurable elongation over millions of cycles. Replacement shafts and heavy-duty bearings are available through our precision drive shaft partner.
• Mould temperature controller for the blow cavity, typically held between 10 and 18 Celsius depending on resin and wall thickness. Two-zone units are recommended for thick-wall PC and PCTG applications.
• Custom 3-station ISBM moulds — our in-house tool shop produces preform cavities, core rod assemblies, and blow moulds matched to the BPET-94V3 platen layout, with typical lead times of 40 to 55 working days and trial-molding validation before shipment.
• Robot takeout conveyor and optional vision inspection for high-volume lines where zero-defect delivery to the filling station is expected. Vision systems tag out-of-tolerance parts before they reach downstream packaging.