What is an etching machine?
The plain-English definition, the eight-step working principle, every type you can buy, the metals and parts it can make, and how to know whether your project needs one.
Read the guideHome/Guides
Etching guides & resources
Straight, practical answers about photochemical etching — written by the engineers who build the machines, not a marketing department. Start with the question you came in with.
Types of etching machines
The 9 main types of etching machines — by spray pattern, automation level, application and metal — with a decision table and shortlist of which fits your part.
Read the guideEtching machine maintenance guide
The daily, weekly, monthly and annual tasks that keep an etching machine running like new — plus a troubleshooting table for the 8 most common defects.
Read the guidePCB etching machine buyer's guide
How PCB etching lines work, ferric vs cupric chloride, line layout, the 9 questions to ask every supplier, and what a complete line actually costs.
Read the guideHow does photochemical etching work?
The eight steps from artwork to finished part, the chemistry that does the cutting, and what each machine in the line is for.
Read the guideHow much does an etching machine cost?
Why prices swing so widely, the five things that drive the number, the three buying tiers, and how to get an accurate quote fast.
Read the guideFerric chloride vs cupric chloride
The two workhorse etchants compared — metals, etch rate, regeneration, waste and control — with a clear rule for choosing.
Read the guideHow precise is photochemical etching?
The ±10%-of-thickness rule, why feature size tracks thickness, a tolerance table by gauge, and how the machine holds it tighter.
Read the guidePhoto etching vs laser cutting
Side-by-side comparison of burr, heat-affected zone, tolerance, and cost per part — with a decision rule for each metal.
Read the guideEtching machine buyer's guide
Five specs that matter, lab vs production vs turnkey tiers, vendor selection, and a TCO worksheet for capital planning.
Read the guideSpray etching vs immersion etching
Mass transfer, uniformity, etch factor, throughput — and which process fits your metal, geometry and volume.
Read the guideEtching machine troubleshooting
Symptom → cause → fix for 12 common spray and immersion defects: rough edges, undercut, pitting, streaking, regen failure.
Read the guideEtching machine installation guide
Site prep, utility sizing, IQ/OQ commissioning, and the 12-week timeline from PO to first good part.
Read the guideLooking for something quicker? The etching machine FAQ covers the short questions, the machines page lists the full range, and our engineers are happy to talk through your parts on the contact page.