Lamnea Bruk AB
Wire drawing machines
Wednesday, June 10, 2026

When electronics age faster than machines: the case for proactive upgrades in wire production

When electronics age faster than machines: the case for proactive upgrades in wire production

Custom control systems for wire production lines — engineered in Sweden

 

Electronic components don't last forever. In wire production, where machinery is built to run for decades, the electrical systems that drive it often become the weakest link — not because they fail immediately, but because the parts needed to repair or replace them quietly disappear from the market.

 

For wire producers planning upgrades, rebuilds, or modernizations, this is an increasingly critical challenge. Older PLC architectures, frequency inverters, and HMI terminals become obsolete as manufacturers discontinue product lines. Compatible spare parts grow scarce, and when a failure occurs, the options are limited — and expensive.

 

Lämneå Bruk AB, the Swedish wire machinery manufacturer based in Ljusfallshammar, has been addressing this challenge since the 1990s. Alongside its core business of designing and building wire drawing machinery — from individual machines to complete factory setups — the company develops and manufactures fully customized control panel systems in-house: PLC controls, frequency inverters, and HMI operator terminals, all built in their own workshop.

 

Not just for Lämneå Bruk machines

 

What makes this capability particularly relevant for the rebuild market is its scope: Lämneå Bruk's custom electrical cabinets and control systems are not limited to their own equipment. They can be integrated into machinery from other manufacturers — making the company a viable partner for modernization projects regardless of the original machine brand.

 

This opens up a straightforward proposition for wire producers: instead of waiting for a critical failure on an aging control system, plan the upgrade proactively. Replace the electronics, preserve the mechanics, and extend the productive life of the line at a fraction of the cost of new equipment.

 

Investment in capacity

 

Lämneå Bruk's electrical department has undergone significant development in recent years. Automated production processes have increased internal productivity by up to 40%, with direct impact on lead times, workflow efficiency, and consistency of output across customized solutions.

 

Lämneå Bruk's upgrade and retrofit services cover:

  • Frequency inverters — replacement and modernization of drive systems for improved energy efficiency and control precision
  • PLC systems — updated programmable logic controllers compatible with current automation standards
  • HMIs and operator interfaces — modern touchscreen terminals replacing outdated panels, with improved usability and diagnostics
  • Additional electrical and automation components — tailored to the specific requirements of each rebuild project

Lämneå Bruk technician assembling a custom electrical control panel at the Ljusfallshammar workshop


The bottom line

 

Modernizing a control system rather than replacing an entire line offers wire producers a way to manage total lifecycle costs while minimizing downtime risk. For operations running machinery that is mechanically sound but electronically aging, a proactive upgrade is often the most cost-effective path forward.

 

For information on electrical upgrades, modernization projects, or custom control panel systems, contact Lämneå Bruk at info@lamnea.se or via the available contact data.