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Schäfer ProLine Press: When Crimping Becomes a Precision Discipline

12. Mar 2026

Crimping

Daniela Christer

A modern vehicle wire harness consists of several thousand individual wires, hundreds of connectors, and countless crimp connections. Every single one of them must be right – mechanically durable, electrically flawless, and reproducible throughout the entire series production. The Schäfer ProLine Press gives manufacturers exactly the tools needed for this: precision, flexibility, and integrated quality assurance – in a programmable crimp machine.

What to Expect in This Article

  • What distinguishes the ProLine series and why it is a fixture in cable assembly
  • Technical details for technicians and production managers
  • Which ProLine model is suited for which application
  • Why quality assurance in crimping is critical

What Is the Schäfer ProLine Press?

The Schäfer ProLine is the product family for programmable crimp machines offering maximum flexibility in cable production. At its core: servo drives in the stripping unit and the cross-slide, adjustable via the machine controller. This allows virtually all relevant parameters to be set with precision – from the zero-cut length to the incision depth to the exact crimp position.

Wires are inserted manually, while contacts are positioned accurately via a feeding unit. What sounds simple is, in detail, a highly sophisticated system – one that makes a decisive difference in series production.

“The ProLine is not a standard device. It is a concept that grows with the demands of your production.”

Technical Highlights of the ProLine – What Technicians Need to Know

For production managers and technicians, it is often the details that tip the scales when selecting a machine. The ProLine series stands out with:

A structurally improved machine rigidity ensures consistent dimensional accuracy even at higher press forces and with complex contact geometries. Less vibration, better crimp quality – even in continuous operation.

ProLine 240 ADVANCED
ProLine 240 EXTENDED

All product-specific parameters – strip lengths, crimp position, cross-slide settings – are stored in recipes. Changeover to a new production run means: one click, no manual adjustment, no source of error. This measurably reduces changeover times.

The machine housing is designed from the ground up for expansions: ferrite core handling or additional control technology can be integrated directly – without replacing the machine.

Deliberately dimensioned for different crimp-tools and fast changeover. The tool-free clamping via the quick-clamping system saves time and reduces operator errors.

A virtual protection zone without a physical barrier. The operator maintains a clear view of the running process – the machine stops automatically if someone enters the danger zone.

ProLine 640 EXTENDED

Quality Assurance in Crimping: Why “Good Enough” Is Not Enough

In series production, it is not just the individual good crimp that counts – it is the certainty that every crimp is good. The ProLine series offers several integrated mechanisms for this:

  • Crimp force monitoring: Every crimping operation is analysed by its force-displacement curve. Deviations from the target profile are detected immediately, and the integrated reject cutter prevents defective connections from entering production.
  • Incision force monitoring: During stripping, the applied force is also measured continuously – damaged strands are detected early, before they become a problem.
  • Machine networking & documentation: The controller supports machine networking functions – a clear step towards smart factory integration and complete traceability.

For production managers, this means: fewer manual spot checks, greater process reliability – and, in case of doubt, complete traceability of every connection.

Which ProLine Model Fits Your Application?

The ProLine family covers a broad spectrum. The model designations follow a clear logic: the number indicates press force and stroke – “240” stands for 2 tonnes of press force with 40 mm stroke, “640” for 6 tonnes. Three models stand out particularly for industrial cable assembly:

  • ProLine 240 ADVANCED: The first choice for flexible standard applications. Increased rigidity, recipe management, and an extended work area make it the all-rounder in cable production.
  • ProLine 240 EXTENDED: Designed for multi-core wires and more complex process sequences. The modular design enables targeted expansions directly at the machine location.
  • ProLine 640-LC EXTENDED: For large cross-sections and demanding environments. State-of-the-art safety concept with light curtain – maximum transparency in operation.

The right choice depends on wire cross-sections, contact types, volumes, and planned expansions. An impartial consultation based on your specific production is more valuable here than any checklist.

Conclusion: Crimping at a Professional Level

The Schäfer ProLine Press is not a machine for every purpose – it is a machine for everyone who refuses to leave crimping to chance. Servo-controlled precision, intelligent quality assurance, modular expandability, and a controller that wins everyone over – that is the ProLine promise.

If you want to know whether and which model fits your production, the team at CETEC Systems is available for a free consultation. Bring your requirements – we bring the answers.