The AT-506 Waistband Loosening Machine, developed by Alster, is a highly efficient solution tailored for the post-processing of men’s seamless underwear and other stretchable waist-wearing garments. It is specifically designed to loosen the waistbands and trouser openings in one seamless operation, ensuring consistent comfort, size flexibility, and high product quality. This machine plays a critical role in enhancing the elasticity and wearability of finished garments without the need for secondary operations.
With its automated control, uniform loosening effect, and simple operation, the AT-506 is the ideal equipment for manufacturers aiming to streamline their seamless garment production line and improve both efficiency and product consistency.
Equipment Working Video
Watch how the AT-506 loosens waistbands with precision and speed in our demonstration video:
Product Features
✅ Simultaneous waistband and trouser loosening:
The AT-506 performs waistband and lower body loosening in one integrated process, reducing the need for multiple machines or manual adjustments.
✅ One-time processing, no secondary operations:
Eliminates the need for post-adjustments, saving labor, time, and maintaining consistent garment quality.
✅ Designed for men’s underwear and pants:
Perfectly suited for stretchable men’s seamless underwear, casual trousers, and other knitwear waistbands.
✅ Wide size adaptability:
Supports sizes 31yd to 46yd, meeting the production needs of different body types and styles.
✅ Stable and efficient:
With a maximum power of 200W and compressed air-driven system, it achieves stable operation with low energy consumption.
✅ User-friendly interface:
Easy to operate with clear controls, reducing the technical threshold for workers and lowering training costs.
Application Scenario
The AT-506 is widely used in the post-processing segment of seamless garment manufacturing, especially for:
- Men’s seamless underwear waistbands
- Loose-fit sportswear and yoga pants
- Knitted or stretchable trouser waistbands
- Adjustable or comfort-focused waistband products
It ensures that the waist area is not too tight, enhancing comfort and increasing elasticity for activewear and everyday garments.
Advantages of AT-506 Waistband Loosening Machine
1. Efficient and Accurate Processing
The machine’s ability to stretch and loosen waistbands evenly in one pass significantly improves workflow. Unlike manual processes that may cause inconsistent tension or uneven results, the AT-506 ensures a highly reproducible and uniform output.
2. Labor Saving & Time Efficient
By integrating waistband and trouser loosening into one process, the need for manual adjustments or additional machinery is eliminated. This means fewer operators, faster cycles, and more output per shift.
3. Durability and Low Maintenance
Manufactured using high-strength components, the AT-506 is built for long-term continuous use. With low maintenance requirements and a simple operational interface, the total cost of ownership remains low over its lifecycle.
4. Enhances Final Product Quality
Tight waistbands can negatively affect garment comfort and sizing accuracy. By loosening the waistbands appropriately, the AT-506 helps ensure that each finished garment offers better stretch, fit, and wearability, directly translating into better user satisfaction.
Why Choose AT-506 for Seamless Garments?
- Perfect integration with seamless garment production lines
- Tailored for stretchable underwear and pants
- Boosts production capacity while improving comfort and fit
- Made by Alster – a trusted name in textile machinery
About Alster
Alster is a leading global manufacturer of high-performance textile and garment machinery. With years of R&D experience and a strong commitment to innovation, Alster provides intelligent production solutions for the seamless garment industry, including ultrasonic cutting machines, bonding machines, and hot melt adhesive systems.
Our machines are widely trusted by top manufacturers in the underwear, sportswear, and fashion apparel sectors, known for their reliability, ease of use, and exceptional performance.
We provide:
- Professional installation & commissioning
- Operator training
- Long-term technical support
- Fast spare parts supply
- Global service network
