Insights

Engineering insights

Technical articles on PLC programming, automation, robotics, control systems, and 3D scanning from our engineering team.

Company News

Our New Website Is Live

We have launched a new LEF Engineering website. Faster, clearer, mobile-first, and built to help clients find the right engineering capability in fewer clicks.

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System Integration

Retrofitting Legacy Control Systems: When to Upgrade and What to Expect

Ageing PLCs, obsolete spares, and unsupported software create real production risk. Here is how we approach control system retrofits without shutting down your operation for months.

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3D Scanning

The Role of 3D Laser Scanning in Modern Plant Layout Planning

How terrestrial LiDAR scanning with the Leica RTC360 supports plant documentation, machine relocation surveys, and BIM comparison for industrial facilities.

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PLC Programming

PLC Programming for Industrial Safety Systems: Getting It Right

SIL-rated safety PLC programming requires structured code, proper validation, and an understanding of the standards. Here is what matters and where projects go wrong.

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Automation

What Goes Into Automating an EV Battery Production Line

Battery line automation for automotive OEMs involves tight tolerances, strict safety requirements, and complex multi-vendor integration. Here is what the control system side looks like.

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Electrical Design

Why BS EN 61439 Matters for Your Control Panel Build

BS EN 61439 defines how low-voltage switchgear and control assemblies should be designed, built, and verified. Here is what it covers and why compliance is not optional.

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Robotics

Robotic Spot Welding in Automotive Body-in-White Production

Robotic spot welding is central to automotive BIW production. Here is how the cells work, how they integrate with the line PLC, and what commissioning involves.

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PLC Programming

Siemens TIA Portal vs Allen-Bradley: Choosing the Right PLC Platform

A practical comparison of Siemens TIA Portal and Allen-Bradley Studio 5000 from the perspective of engineers who programme both daily.

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Reverse Engineering

Reverse Engineering with Laser Arm Scanning: When You Have No Drawings

When original drawings do not exist, articulated arm laser scanning can capture complex geometry and deliver manufacturable CAD models.

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Commissioning

On-Site Commissioning: What Happens After the FAT

The commissioning process from arrival on site to handover. What SAT testing involves, how faults are resolved, and why documentation and training matter.

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System Integration

Why Your Production Line Needs a SCADA System

SCADA provides data logging, alarm management, remote access, and production analytics that a standalone HMI cannot. Here is what it offers and when it makes sense.

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System Integration

System Integration Challenges in UK Manufacturing

Multi-vendor environments, competing communication protocols, and legacy equipment create integration headaches in UK factories. Here are the common problems and practical solutions.

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3D Scanning

How BIM and 3D Point Cloud Data Work Together

Using 3D scan data for BIM comparison, clash detection, and as-built documentation. A practical look at the workflow from scan to model.

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Electrical Design

Building Custom Control Panels: From Design to Delivery

The full lifecycle of a custom control panel build, from initial schematic design in AutoCAD through component selection, assembly, testing, and dispatch.

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