Description
Rotary Bottle Blowing Mold for High-Speed Production Lines
If you are running a rotary blow molding machine and need a mold that keeps up with your line speed, this is the mold we build for that purpose. Our rotary bottle blowing mold is made to match the continuous rotation cycle of rotary blow molding machines, so heating and blowing happen in sync without stopping the turntable.
How It Works on a Rotary Blow Molding Machine
The mold mounts on the rotary turntable of your blow molding machine. As the table turns, PET preforms move through the heating tunnel and then into the mold station where stretch blow molding forms the bottle. Because the mold is built for this rotating motion, cavity alignment stays on target through every cycle. That matters when you are producing thousands of bottles per hour and any misalignment costs downtime.
Mold Features
- Multi-cavity layout: Choose from 2 to 24 cavities depending on your bottle size and machine specification. More cavities mean higher output per cycle when your rotary blow molding machine has the clamp force and neck diameter to support it.
- Rotary turntable synchronization: The mold geometry is designed so each cavity hits the blow station at the right angle and timing. This keeps cycle-to-cycle results uniform.
- Target finish: Bottle neck dimensions, thread profile, and body wall thickness are controlled to meet the tolerances your customer expects. We machine the mold with care because once it is on your line, you should not need to adjust it constantly.
- Standard bottle shapes: We regularly build these molds for mineral water bottles, soft drink bottles, and cosmetic bottles in the round and oval families. If your shape is close to a standard, we can often adapt an existing design rather than starting from zero.
Typical Applications
- Mineral water bottles (350 ml – 2 L)
- Carbonated soft drink bottles
- Juice and tea bottles
- Cosmetic and personal care bottles
- Edible oil bottles with standard neck finishes
Cavity Options
| Cavity Count | Typical Use Case |
|---|---|
| 2–4 cavities | Large bottles, slower lines, or test runs |
| 6–12 cavities | Mid-speed production, 500 ml–1 L water bottles |
| 16–24 cavities | High-speed lines, small to medium bottles |
What to Send for a Quotation
To give you an accurate price and delivery time, we need:
- Your bottle drawing or a physical sample
- The preform neck finish specification ( neck diameter, thread type, weight )
- Your rotary blow molding machine model and clamping force
- Target cavity count (or tell us your required output per hour and we will recommend)
Why Buy from HEYANMOLD
HEYANMOLD is a PET preform mold and PET bottle mold manufacturer based in Foshan, Guangdong. We have supplied molds to beverage factories, cosmetic packagers, and oil bottling plants in Southeast Asia, the Middle East, Africa, and South America. Our workshop handles CNC machining, polishing, and assembly in-house, so we control the timeline ourselves.
We also supply matching automatic bottle blowing machines and semi-automatic blow molding machines if you need the full line rather than only the mold.
Get a Quote
Send us your bottle details and we will reply with a proposal within 24 hours. If you are not sure about the cavity count or machine compatibility, just ask. We will walk you through it.
Description
Product Overview
HEYAN builds rotary blow molds for carousel-type blow molding machines. These platforms run the highest-output PET bottle lines.
Rotary machines spin the mold carousel continuously. A rotary line typically fits more output into a smaller footprint than a linear machine of the same capacity. Mechanical stress on the mold is lower because the motion is continuous rather than reciprocating. Heating and cooling profiles stay uniform across stations. Energy per bottle drops at volume because the machine is optimized for continuous operation, not stop-start cycles.
Rotary vs. Linear: When to Choose
| Factor | Rotary Blow Mold | Linear Blow Mold |
|---|---|---|
| Production Volume | Very high (>20,000 bottles/hour) | Medium to high (2,000–15,000/hour) |
| Bottle Size | Typically 200ml–2L | 100ml–20L+ |
| Footprint | Compact for output | Longer machine bed |
| Changeover Time | Longer (complex mold carousel) | Shorter |
| Investment | Higher initial machine cost | Lower entry cost |
| Recommended For | Stable, high-volume SKUs | configurable per project, multi-SKU operations |
Technical Specifications
| Parameter | Specification |
|---|---|
| Cavity Configuration | Designed for target rotary machine (8–24+ stations) |
| Mold Material | Stainless steel or 7075 aerospace aluminum |
| Cooling | Integrated conformal cooling channels for cycle optimization |
| Applications | Beverage, bottled water, food, cosmetics |
| Compatible Machines | Major rotary blow molding platforms |
| Delivery | 20–30 days (complexity-dependent) |
Key Design Points
- Carousel balance: Mold weight and dimensions balanced for smooth rotation
- Synchronized timing: Blow, stretch, and exhaust phases matched to machine index time
- Quick-release clamping: Fast mold installation and removal for changeovers
- Thermal uniformity: Even cooling across all cavities to prevent dimensional drift
- Wear resistance: Hardened surfaces in high-contact areas for long production runs
Applications
- High-volume bottled water plants
- Carbonated soft drink bottling lines
- Juice and dairy packaging
- Edible oil bottling at scale
- Pharmaceutical and cosmetic high-volume lines
FAQ
Q1. When should I choose a rotary blow mold?
Rotary molds suit stable, high-volume SKUs above about 20,000 bottles/hour. They fit more output into a smaller footprint than a linear machine of the same capacity and run with lower mechanical stress and uniform heating/cooling profiles.
Q2. What bottle sizes are typical?
Rotary lines typically run 200 ml–2 L bottles. Larger formats may use linear lines; confirm with our engineers for your exact bottle.
Q3. What cavity configuration is available?
The mold is designed for the target rotary machine, typically 8–24+ stations, in stainless steel or 7075 aerospace aluminum with integrated conformal cooling channels.
Q4. How long is delivery?
20–30 days depending on complexity, from confirmed machine platform and bottle drawing.
Q5. Do you support changeovers between bottle designs?
Yes. Quick-release clamping shortens installation/removal time, though carousel changeover is inherently longer than linear — this is expected for high-output platforms.
Selection Guide
Three steps to a confirmed configuration:
- Confirm your sustained output: >20,000 bottles/hour and stable SKUs point to rotary.
- Match the mold to your carousel platform (station count, index time, clamp force).
- Send bottle drawing and material; we optimize timing, cooling, and wear surfaces.
Delivery & After-Sales Support
- Platform and bottle confirmation — station count, timing, and drawing.
- Manufacturing with carousel balance and thermal uniformity checks.
- Factory trial on your machine platform where possible.
- Shipping and start-up support, spare parts, and after-sales guidance.
Ready to discuss your project? Send your bottle drawing, target output, and factory layout. We will confirm compatibility and return a detailed proposal.
Genuine Parts & Global Footprint
Beyond the factory floor, HEYAN blow molding machines are already running in bottling plants across Southeast Asia, the Middle East, Africa, and Europe. Every unit ships with genuine international-brand spare parts, chosen for longer service life, stable operation, and straightforward maintenance.
Additional information
| Mold Type | Rotary blow molding mold |
|---|
