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Discover Syringe Assembly

groninger solutions for high performance syringe finishing in the field of secondary packaging.


At a Glance

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objects per minute (up to)
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Years Experience

Syringe Assembly

In pharmaceutical manufacturing, every step after filling is critical. Plunger rod insertion, labeling, and final assembly must occur with absolute precision to protect the integrity of the syringe, ensure regulatory compliance, and maintain production efficiency.

With groninger, you gain precision where it matters, controlled processes that prevent variability, and equipment built to protect even the most sensitive components. Our scalable solutions help you reduce defects, increase efficiency and keep your syringe production running smoothly. Whether processing glass or plastic syringes, the assembly platform ensures consistent performance, accurate labeling, and seamless integration into downstream packaging operations. 

  • Plunger Rod Assembly: In-house developed torque‑controlled assembly for reproducible, ISO‑compliant results.
  • Precision Labeling: High‑accuracy label placement at full production speed.
  • Backstop Assembly: Gentle, precise mounting for secure plunger retention and component protection.
  • Safety Device Assembly: Verified‑first assembly concept to prevent product loss and ensure device functionality.
  • Handling: Contact‑reduced, stress‑free movement for safer downstream processing.
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1 Plunger Rod Assembly
groninger-assembly-line-labeling
2 Labeling
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3 Backstop Assembly
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4 Safety Device Assembly
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The future of Syringe Assembly starts here

groninger’s syringe assembly systems process prefilled syringes with exceptional care and accuracy, supporting high-speed production environments while protecting sensitive primary packaging components.  Through a combination of advanced torque-controlled plunger rod assembly, precision labeling systems, and integrated inspection technologies, the platform ensures every syringe leaving the system meets strict pharmaceutical quality standards. With outputs reaching up to 600 objects per minute, the system enables manufacturers to scale efficiently while maintaining reliable process control.

 

Process Overview

Plunger Rod Assembly

Our solutions deliver controlled, reproducible plunger rod assembly through dedicated systems for both screwing and pressing operations. Torque and force are precisely minimized to protect the stopper and prevent rotation or axial movement, even when component tolerances vary. Recipe-based settings can be easily adjusted via the HMI, while each assembly unit is individually monitored to ensure process stability and consistent quality.

Labeling

The series provides high-precision labeling with positioning accuracy up to ±0.3 mm, ensuring that critical product information is consistently applied and fully readable. Defective labels are removed at full speed, ensuring uninterrupted performance. Multiple labeler configurations provide the right level of efficiency for every production environment. The system features flexible 3‑in‑1 labeling, capable of handling syringes, vials and cartridges with the same high precision.

Features

  • Hygienic design for fast cleaning and excellent accessibility
  • Integrated inspection and reject mechanisms for maximum quality
  • Expandable with various inspection systems
  • Seamless integration into upstream inspection units and downstream packaging machines
  • Quick and user-friendly changeover between primary packaging types
  • Siemens or Rockwell Automation

Highlights

  • In-house developed electronic clutch system for precise torque control during plunger rod assembly
  • Monitoring of individual plunger rod assembly units
  • Precision labeling with label reject mechanism
  • 3-in-1 labeling of syringes, vials and cartridges
  • Various labeler configurations: manual and automatic splicing

Ready to optimize your assembly line?

Whether you are launching a new pharmaceutical product or scaling existing production, groninger's syringe assembly platform delivers the precision, reliability, and flexibility required for modern pharmaceutical manufacturing.

Contact groninger to learn more about assembly solutions.

Contact Us!
   +1 704 295-9000
  info@groningerusa.com

About groninger

groninger is one of the leading international manufacturers of filling and closing machines for the pharmaceutical, consumer healthcare and cosmetics industries. 

For decades, groninger has been a trusted partner to pharmaceutical manufacturers worldwide, delivering innovative fill/finish solutions.

We stand for excellent know-how, innovative solutions and partnership in special machine construction. Our machines and lines set technological standards: We offer the entire spectrum from customer-specific individual solutions to line concepts in series production.

 

 

groninger_Headquarters_Crailsheim

We fill Visions with life.

groninger & co. gmbh

Hofäckerstraße 9
74564 Crailsheim / Germany

+49 7951 495-0
office@groninger.de
www.groninger-group.com

groninger GmbH & Co. KG 

Birkenbergstraße 1
91625 Schnelldorf/ Germany
 

+49 7950 800-0
office@groninger.de
www.groninger-group.com

 

groninger USA LLC

14045 South Lakes Drive
Charlotte, NC 28273 - USA

+1 704 295-9000
info@groningerusa.com
www.groninger-group.com