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High Speed HJ-C21 Cam Shedding for Water Jet Loom Machine

The HJ-C21 positive conjugate cam shedding device delivers high-speed, reliable shedding for water jet looms, enabling efficient production of over 150 fabric types including plain, twill, and satin weaves. Its optimized design ensures smooth operation at up to 800 RPM while maintaining precise fabric quality.
- Compatible with water jet looms (reed width: 150cm-360cm)
- Maximum operating speed: 800 RPM
- 12-cycle weft capability with 14-piece maximum capacity
- Precision heald frame spacing (12mm) and opening range (54mm-110mm)
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  • HJ-C21

  • HAIJIA

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Optimized Core Structure for High-Speed Weaving

The HJ-C21 Cam Shedding unit adopts an overall cast box structure, delivering exceptional physical stability during intense operational cycles. By utilizing the Mazak horizontal flexible automatic production line for one-time clamping, the associated dimensional accuracy reaches exacting tolerances. The solid, heavy-duty tactile feel of the cast iron body provides immediate confirmation of its industrial-grade engineering.

This precise manufacturing directly translates to a noticeable reduction in operational noise and mechanical vibration on the factory floor, replacing harsh mechanical clatter with a quiet, rhythmic hum. The optimized cam curve design ensures smooth kinetic transitions, making it highly suitable for the continuous production of high-speed, wide-width, and heavy-weight fabrics.

Additionally, the integrated fast-placement oil connector and upgraded tensioner structure make changing and draining lubricating fluids remarkably quick. This thoughtful engineering significantly reduces daily maintenance downtime and long-term operational costs, allowing technical staff to maintain peak efficiency with minimal effort.

C21 cam shedding overall cast box structure

Extensive Fabric Adaptability and Capacity

With a maximum capacity of 14 heald frames, this shedding mechanism easily accommodates complex weaving requirements. Facility operators can efficiently produce special varieties such as heavy blackout cloth, intricate satin weaves, and dense twill patterns.

The system is engineered to handle over 150 different types of medium to heavy-weight fabrics, providing immense versatility for diverse textile production lines. The precise mechanical timing ensures clear warp separation, minimizing friction and thread breakage even at maximum operational speeds.

The maximum number of heald frames is 14 which can meet the weaving needs of special varieties such as blackout cloth, ensuring your facility remains adaptable to shifting market demands without requiring entirely new loom setups.


Enhanced Durability and Environmental Resistance

The frame components are made of integrated steel plate bent beams, providing a solid foundation that resists mechanical fatigue over years of continuous use. To combat the high-humidity environment typical of water jet weaving, the entire assembly undergoes an advanced electrophoretic spraying technology.

This specialized coating, combined with a fully enclosed cover, improves the safety, waterproof, and anticorrosion performance of the entire machine. The smooth, moisture-repellent finish protects internal mechanisms from rust, effectively extending the equipment's service life by two to three times compared to standard alternatives.

Furthermore, the system integrates efficiently with facility water circulation treatments, contributing to lower resource consumption per operational cycle and supporting more sustainable textile manufacturing practices.

C21 cam shedding integrated steel plate bent beams

Technical Specifications and Operational Thresholds

The technical specifications of the HJ-C21 Cam Shedding system represent its precise engineering, specifically designed for demanding weaving environments. The numerical data outlined below details the exact operational thresholds, ensuring facility managers can accurately match this equipment with their current water jet loom setups. Careful attention to the 12mm heald frame spacing and the 54mm to 110mm opening amount guarantees optimal warp thread clearance during rapid shedding cycles. Operating at a maximum speed of 800 RPM, the mechanical limits are strictly tested to maintain continuous production stability. Review the exact parameters to confirm integration compatibility with your existing textile manufacturing line.

Applicablelooms

Water jet looms with reed widths of 150cm~ 360cm

Maximum Speed

800 RPM

Cycle of Wefts

12

Heald Frame Spacing

12mm

Maximum Capacity

14 pieces

Heald Specification

280MM

Opening Amount

54mm-110mm

Company Profile

Legacy of Precision Manufacturing

HAIJIA Machinery was founded in 1995 and headquarter located in Qingdao, China. Nearly 30 years of continuous development,With the unremitting effort, our products have been exported to more than 30 countries around the world . At present, Haijia Machinery has established an internationally competitive group enterprise integrating R&D, design, manufacturing, marketing and after-sales service. We have built an infrastructure designed to support large-scale textile operations globally, ensuring that every piece of machinery meets strict international tolerances.

Global Support and Infrastructure

 We has two smart manufacturing plants,one big auxiliary plants, six offices at home and abroad and a Zhiduoduo SaaS service platform for textile machinery spare parts. This digital infrastructure guarantees rapid global response times for spare parts distribution and technical troubleshooting. We have R&D department including more than 100 engineers which are improving and engaging our support range. with more than 600 employees ,cover 150,000 sqm and an annual production capacity of over 20,000 units. We also provide comprehensive warranty services and exclusive extended warranties for export clients, ensuring long-term operational security for your investment.

HAIJIA Machinery smart manufacturing plant aerial view
HAIJIA global exhibition and client technical support
Export-grade wooden crate packaging for cam shedding machine

Our Advantages

Comprehensive Operational Value

Investing in the HJ-C21 system brings measurable improvements to facility efficiency. Beyond the immediate gains in weaving speed and fabric versatility, the equipment is designed with strict energy efficiency standards. The combination of Mazak-machined precision components and our extensive SaaS-backed global support network means facility managers spend less time troubleshooting and more time meeting production targets.

  • Energy Optimization: Significantly lowers electrical consumption per square meter of fabric produced when paired with high-efficiency motors.

  • Resource Management: Integrates effectively with facility water circulation treatments to minimize environmental impact and reduce utility expenses.

  • Maintenance Reduction: High-precision components decrease mechanical wear, extending operational lifecycles and reducing the frequency of parts replacement.

  • Verified Reliability: Backed by nearly 30 years of manufacturing expertise and deployed successfully in over 30 countries.

HJ-C21 cam shedding machine operational advantages and energy efficiency

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