Automatic Bra Line Drawing and Glue Dispensing Machine
Automatic Bra Line Drawing Machine: Improving Glue Dispensing Accuracy in Seamless Lingerie Production
In modern bra and lingerie production, seamless bonding technology is becoming increasingly important. Compared with traditional sewing-only processes, bonding and glue dispensing can help create smoother edges, cleaner appearance and more comfortable garment structures. Adhesive and bonding solutions are widely used in intimate apparel and stretch garments because they can support soft fabric bonding while maintaining elasticity and comfort.
For factories producing bras, seamless underwear, shapewear and sports underwear, accurate glue dispensing is one of the key steps. If the glue path is unstable, the final product may have uneven bonding, poor contour shape or higher rework risk. This is why an automatic bra line drawing machine or automatic dispensing machine is useful for improving production consistency.
1. Why Glue Dispensing Matters in Bra Production
Bra components often include curved edges, soft cups, elastic fabrics and bonded layers. These parts require precise glue application along specific contours. Manual glue application may be difficult to control because the operator must keep a stable glue amount, correct line position and smooth curve at the same time.
Common production challenges include:
-
Uneven glue coating
-
Inconsistent contour lines
-
Glue overflow
-
Weak bonding area
-
Fabric deformation during handling
-
Higher dependence on skilled workers
Automated adhesive dispensing systems are designed to apply glue more repeatedly and reliably along programmed paths, which helps improve process efficiency, reduce material waste and support more consistent bonding quality.
2. Recommended VMA Machine: V-1698A Automatic Double Dispensing Machine

For bra and seamless underwear production, VMA recommends the V-1698A Automatic Double Dispensing Machine.
According to the product sheet, the V-1698A is designed as a seamless bonding solution for precise automated glue coating. It features dual-head dispensing, supports seamless garment and bonded component production, and provides stable contour coating for clean process control.
The machine is suitable for:
-
Seamless underwear
-
Shapewear
-
Yoga wear
-
Thermal underwear
-
Sleeves and cuffs
-
Outdoor sportswear
-
Bra and bonded component production
The process results shown in the product sheet include precise glue coating, clean contour dispensing and bonded component results, which match the production needs of seamless bras and underwear bonding.
3. Key Advantages for Lingerie Factories
1. Dual-Head Dispensing for Higher Efficiency
The V-1698A uses a dual-head dispensing structure, which helps improve glue application efficiency and supports more stable production for repeated bonding processes.
2. Clean Contour Coating
For bra cups, underwear edges and curved garment components, contour accuracy is very important. Stable contour dispensing helps keep the glue line neat and reduces manual variation.
3. Better Support for Seamless Production
Seamless underwear and bonded garments require smooth bonding instead of bulky seam structures. Bonding technology can help improve comfort, appearance and flexibility in intimate apparel production.
4. Reduced Manual Operation
Automatic glue dispensing reduces repeated manual application work and helps operators focus more on loading, checking and process control.
5. More Stable Bonded Component Quality
Consistent glue volume and stable dispensing paths can help factories reduce quality variation, especially for repeated bra and underwear components.
4. Technical Parameters

5. VMA Bra and Seamless Underwear Production Solutions
As an industrial sewing machine supplier and garment automation solution provider, VMA offers equipment for bra, underwear and seamless garment production.
The V-1698A Automatic Double Dispensing Machine can be used as part of a seamless underwear production workflow, especially for factories that need precise glue coating, clean contour dispensing and stable bonded component results.
For lingerie manufacturers, choosing the right bra glue dispensing machine can help improve product appearance, reduce manual dependence and support more consistent bulk production.
Conclusion
Automatic glue dispensing is an important process in modern bra and seamless underwear manufacturing. For curved bra components, soft fabrics and bonded garment structures, stable glue coating and clean contour lines directly affect finished product quality.
The VMA V-1698A Automatic Double Dispensing Machine provides a practical solution for lingerie factories that need precise glue application, dual-head dispensing and stable contour coating. For bra, shapewear and seamless underwear production, this machine can help improve bonding quality and production efficiency.
FAQ
What is an automatic bra line drawing machine?
It is a machine used to apply glue or bonding lines along bra and underwear components with controlled dispensing paths.
What is the V-1698A used for?
The V-1698A is an automatic double dispensing machine used for precise glue coating and seamless bonded component production.
Why is glue dispensing important in bra production?
Precise glue dispensing helps improve bonding strength, contour accuracy, product appearance and production consistency.
What products can the V-1698A be used for?
It can be used for seamless underwear, shapewear, yoga wear, thermal underwear, sleeves, cuffs, outdoor sportswear and bonded lingerie components.
Can VMA provide seamless underwear production solutions?
Yes. VMA provides bra gluing, dispensing, bonding and related garment automation equipment for lingerie and underwear manufacturers.
Sewing Automation Solution Expert