Choosing a metal fabrication subcontractor in the EU: 7 questions
How buyers and engineers can assess a metal fabrication subcontractor: in-house production or a network, operations, quality, lead times. A seven-question checklist.
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Powder coating large parts up to 5.5 m
Powder coating for large metal structures: booth 5500 × 1400 × 2600 mm, up to 430 kg, automatic chemical pre-treatment.
Robotic aluminium welding with Fronius CMT: when it pays for a series
When it is worth welding aluminium with a robot: CMT technology, distortion, weld consistency and the batch size that justifies it.
Which files to send with an enquiry: DXF, STEP and DWG guide
Which drawing files to send for a metal fabrication enquiry: DXF for the laser, STEP for welded assemblies, PDF for tolerances.
DFM for aluminium sheet parts: 8 design rules
Eight design-for-manufacture rules for engineers designing aluminium sheet parts for laser cutting, bending, welding and powder coating.
Laser cutting or milling: 7 criteria for which is cheaper
The laser is cheaper for flat parts, milling wins when you need depth or hundredths. A criteria table and the drawing mistake that doubles the price.
EN AW-5754 or 6082 T6: how to choose an aluminium alloy
5754 for parts that are bent or welded, 6082 T6 for parts that carry load. Comparison table, bend radius and what to state on the drawing.
Coating for coastal projects: Qualicoat Seaside and the 5 km rule
Within 5 km of the sea, standard pre-treatment is not enough. What the Seaside class changes, why coatings lift, and what to specify for a coastal project.
Tube laser cutting: how tab and slot removes the welding jig
A tube laser merges cutting, drilling, copes and marking into one operation. Why the welding jig disappears, and when the technology does not pay.