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PK LASER · PK LASER Joint Stock Company

Energy Use in Fiber Laser Cutting: What Affects It and How to Manage It

A fiber laser cutting system uses energy across the laser, chiller, gas supply, extraction and machine motion. Track consumption per job and improve the process using manufacturer-approved settings.

Look at the whole system

Electricity use is not determined by the laser source alone. The chiller, air compressor or gas supply, fume extraction, controls and machine axes also consume energy. The energy per part depends on the job, material, thickness, cutting time, setup and idle periods.

Match the process to the job

Use the approved cutting chart for the exact material, thickness, nozzle and assist gas. An unsuitable speed or gas setting can create scrap, rework or longer cycle time, which may increase total energy per accepted part. Do not reduce gas pressure or change laser power based on a general energy-saving rule.

Keep supporting equipment in specification

Maintain the chiller, filters, gas lines, extraction system and optics as directed by their manufacturers. Blocked filters, leaks, poor cooling or contaminated optics can affect process stability and extend operating time. Do not change coolant temperature, flow or pressure outside the equipment specifications.

Measure energy use consistently

Compare similar jobs using the same material, thickness, part layout and quality requirements. Record machine runtime, completed parts, scrap and electricity use over a defined period. Separate productive cutting from setup and idle time where practical; this makes trends more meaningful than comparing unrelated jobs.

Practical ways to reduce avoidable use

Improve sheet nesting and job sequencing, reduce unnecessary idle time, maintain equipment on schedule and investigate recurring rework. Review changes with the machine maker or a qualified process engineer, and confirm cut quality before adopting a new recipe.

Photo suggestion

Show a real job record with the material, thickness, completed parts and measured electricity for a defined production period. Avoid claiming a percentage saving without comparable measurement data.

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