Post by Tjalling de Boer

#autoenergy Mondays at Coherent Corp. Making High‑Power Laser Welding Programmable — the new WELD1D+ Processing Head If you work with multi‑kilowatt fibre lasers, the next performance step isn’t only optical — it’s software. Modern welding cells in automotive and energy manufacturing increasingly depend on programmable process control, machine connectivity, and real‑time data. At ~1.07 µm wavelength, high‑brightness Yb‑fibre lasers deliver deep‑penetration keyhole welding, high travel speeds, and the flexibility to process steels, aluminium, copper, and dissimilar stacks. But unlocking consistent yield at takt time now hinges on how well the processing head talks to your factory software. What the WELD1D+ changes: a software‑defined welding head WELD1D+ is a next‑generation processing head that enables real‑time adjustment of beam and process parameters via an API, so you can orchestrate welding from your own applications or PLC function blocks. ♦️ Power handling: Up to 10 kW 🔸 Portfolio integration: Works natively with Coherent fibre lasers — 🔹 AIM (0.5–3 kW, single‑mode) 🔹 EDGE (6–30 kW class for cutting/cell platforms) 🔹 ARM (centre/ring control up to multi‑kW) This means one head covers more jobs with fewer hardware variants, reducing total cost of ownership and simplifying spares management. Crucially, the API is not an add‑on; it’s part of the head’s control concept. That enables software‑controlled adaptability to seam geometry, material stack, or fixture condition on the fly — critical for battery modules and e‑powertrain components, where part variation and thermal load can otherwise erode first‑pass yield. Process control that follows metallurgy: pairing WELD1D+ with the right source The head’s flexibility shines when combined with the right laser: 🔸 AIM — Single‑mode, <0.4 mm·mrad BPP, ideal for narrow seams and precision welds. 🔸 EDGE — Multi‑kW, robust for high‑duty cells, stable power regulation (±1.5 %). 🔸 ARM — Dual‑beam (centre/ring) design for spatter‑robust welding on copper and aluminium; supports real‑time tuning of ring/centre ratio and wobble parameters via the API. This pairing allows dynamic process optimisation — for example, adjusting beam distribution mid‑weld to stabilise the keyhole or reduce spatter without stopping the line. Why it matters By making the welding head programmable, WELD1D+ closes the gap between laser physics and digital manufacturing. It’s a practical step toward Industry 4.0 welding cells that are smarter, more adaptive, and easier to integrate. #industry40 #welding #API #laserwelding