| Order No.: | Blown film machine wind ring |
| Brand: | Chaoshun |
| Model: | Blown film machine wind ring |
| Item No.: | Wind ring for film blowing machine |
| Category: | Wind ring for film blowing machine |
| Material: | Cast aluminium |
| Scope of application: | Blown film machine bubble moulding cooling |
| After-sales service: | Technical guidance |
| Specification: | Non-standard custom (deposit) |
Looking at the 1500 Type High Pressure Wind Ring itself, it's a two-part ring structure: an outer housing that forms the main body, and an inner air chamber where the airflow builds up before it's released. Around the outer edge, there are several evenly spaced mounting tabs and adjustment points, which is typical of a wind ring designed to let operators fine-tune airflow around the circumference rather than relying on one fixed setting. The inner ring — the part that actually faces the film bubble — has a polished metal surface with a fine perforated pattern running along the air outlet lip, which is how the air gets distributed in a controlled, even stream rather than a single hard jet. The center opening is sized to let the film bubble pass through cleanly as it rises off the die head.
Specific Applications
1. Blown film bubble cooling — the core function: cooling the film tube right as it exits the die head, before it's fully formed and pulled up by the tower
2. High-output production lines — built for the 1500 output range, so it fits machines running larger volumes where consistent cooling across a wider bubble matters more
3. HDPE, LDPE, and LLDPE film production — supports the polyethylene types most commonly run on blown film lines producing courier bags, aquatic bags, and rubbish bags
4. Multi-layer and co-extruded film lines — since multi-layer film needs even cooling across all layers to bond and set correctly, a stable wind ring matters more here than on single-layer runs
5. High-pressure cooling requirements — suited for setups where a stronger, more forceful air output is needed to keep up with faster line speeds
6. Custom-fit machine upgrades — since the ring is made to non-standard specifications, it also applies to plants replacing or upgrading an existing wind ring on a machine already in production
Solving Customer Pain Points
Plants running blown film lines commonly deal with a few recurring cooling-related issues:
1. Uneven film thickness across the bubble: often traced back to airflow that isn't distributed evenly around the wind ring. The perforated air outlet lip on 1500 Type High Pressure Wind Ring spreads airflow into a fine, controlled stream around the full circumference, rather than concentrating it in a few spots.
2. Cooling that can't keep up with faster line speeds: on higher-output lines, standard or lower-pressure wind rings sometimes struggle to cool the film fast enough, which limits how fast the line can run. This is a high-pressure design built for the 1500 output range, so it's sized to handle stronger airflow demands.
3. No way to fine-tune airflow once installed: a fixed, non-adjustable wind ring leaves no room to correct for slight asymmetry in the bubble during production. The adjustment points spaced around the outer housing let operators calibrate airflow at different positions to balance out cooling as needed.
4. Fitting a replacement ring to existing equipment: generic wind rings don't always match a machine's exact die head diameter or mounting points. Since 1500 Type High Pressure Wind Ring is built to custom, non-standard specifications, it can be made to match the buyer's specific machine setup.
