Four Independent Air Knives for Effective Water Removal Before Winding PP Strap

MOQ： 1SET
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Payment Terms	T/T
Supply Ability	100SETS
Delivery Time	60DAYS
Packaging Details	WOODEN BOX
Configuration	4 Independent Air Knife Sets
Power Source	Compressed Air
Core Function	Blows Dry Surface Moisture
Adjustment Feature	Independently Adjustable
Quality Contribution	Ensures Dry Winding
Benefit	Prevents Moisture-Related Defects
Brand Name	CHUQI
Model Number	CQ-SPP75-4
Place of Origin	CHINA

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Product Details
Company Details

Product Specification


Payment Terms	T/T	Supply Ability	100SETS
Delivery Time	60DAYS	Packaging Details	WOODEN BOX
Configuration	4 Independent Air Knife Sets	Power Source	Compressed Air
Core Function	Blows Dry Surface Moisture	Adjustment Feature	Independently Adjustable
Quality Contribution	Ensures Dry Winding	Benefit	Prevents Moisture-Related Defects
Brand Name	CHUQI	Model Number	CQ-SPP75-4
Place of Origin	CHINA
High Light	PP strapping air knives for water removal ，independent air knives for winding ，PP strapping production line air knives

Four Independent Air Knives for Effective Water Removal Before Winding

Product Introduction

Thorough removal of residual moisture from PP strap surfaces after secondary cooling/setting and before winding is critical. This production line features four independent high-pressure air knife units positioned at the secondary setting water tank outlet. Each unit corresponds to one product strand, delivering uniform, powerful airflow that acts as a precision "knife" to efficiently scrape water film from both top and bottom strap surfaces. This ensures completely dry product entry into the winding process, preventing issues such as unclear embossing, winding adhesion, roll mildew, or product corrosion caused by trapped moisture, thereby guaranteeing final product quality and storage stability.

Main Specifications

Configuration: 4 independent air knife sets, one-to-one对应 with the 4 product strands
Working Principle: Utilizes compressed air to generate high-speed laminar airflow for surface blow-off
Core Function: Thoroughly dries residual surface moisture on the product before winding
Direct Benefit: Improves embossing and winding quality, prevents moisture-related defects

Technical Parameters

Item	Parameter / Description
Number of Air Knives	4 sets, independently adjustable
Air Source Requirement	Clean, dry compressed air, pressure 0.5-0.8 MPa
Airflow Type	High-pressure扇形 laminar air curtain
Adjustment Function	Each air knife's angle and airflow intensity can be independently fine-tuned
Installation Position	Outlet of secondary setting water tank, before the winding process
Target Effect	Achieves visually dry product surface with no water stains

Customer Questions & Answers

Q: Could the air from the knives blow the strap off course or affect its tension?

A: When properly installed and adjusted, no. Our air knives are designed to produce a broad, uniform laminar air curtain with gentle pressure but large coverage. By fine-tuning the air knife angle, the airflow acts tangentially on the strap surface, primarily generating shear force to peel off moisture, not vertical impact force, thus having minimal effect on the strap's stable running path and tension.

Q: Is the compressed air consumption high? What are the requirements for the factory air supply?

A: Air knives are intermittent air-consuming devices, operating only when the production line is running. The consumption per knife is not high; running all four simultaneously is a general load for a medium-sized compressed air system. The core requirement is that the air must be dry and clean, as damp or oily compressed air would contaminate the product surface, achieving the opposite effect. It is recommended to have a refrigerated air dryer and precision filter upstream.

Q: If only producing 2 or 3 strands, should the unused air knives be turned off?

A: Yes, for energy saving and noise reduction, the air knives corresponding to idle stations can be turned off. The air supply valves are typically independently controlled for easy operation. We recommend performing this action synchronized during shutdown for specification changes.

Company Details

Bronze Gleitlager

Bronze Sleeve Bushings

and

Graphite Plugged Bushings

from Quality China Factory

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Business Type:

Manufacturer 


Year Established:

2012 


Total Annual:

5000000-8000000


Employee Number:

50~60 


Ecer Certification：

Verified Supplier 

Jiaxing Chuanqi Machinery Equipment Co., Ltd. is a high-tech enterprise that specializied in the research and develop and manufacture of Paper strap production line, PP box strap production line and all kinds of automatic winder and PP PET strapping. Vision: Committed to becoming t... Jiaxing Chuanqi Machinery Equipment Co., Ltd. is a high-tech enterprise that specializied in the research and develop and manufacture of Paper strap production line, PP box strap production line and all kinds of automatic winder and PP PET strapping. Vision: Committed to becoming t...

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Jiaxing Chuanqi Machinery Equipment Co., Ltd.
Yucheng town, Haiyan County, Jiaxing City, Zhejiang Province, China
https://www.strappingwinder.com/

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