Sheet Metal Fabrication in India — Laser Cutting, Bending & Welding in 3 Days

Minimum thickness: 0.5mm (laser cutting and bending possible but requires careful handling). Maximum thickness: 25mm for laser cutting (steel/stainless), 12mm for CNC bending, 150mm for waterjet cutting. Most common range: 0.8mm to 6.0mm for enclosures and brackets. Thicker materials (>12mm) are typically plasma cut or waterjet cut, then welded rather than bent.

We accept DXF, DWG (2D CAD for laser cutting), STEP, STP, IGES (3D CAD for bending), and STL files. For laser cutting only, DXF/DWG with closed polylines is preferred. For parts with bends, upload STEP files - our system auto-generates flat patterns and detects bend lines. Native CAD files (SolidWorks, Inventor, Fusion 360) also accepted.

Cost = (Material cost + Cutting time + Bending time + Welding time + Finishing cost). Laser cutting cost is based on cutting length and material thickness. Bending cost depends on number of bends and part complexity. Welding is priced per linear inch or per joint. Finishing (powder coating, anodizing) is per part or per m². Our instant quoting engine calculates all this automatically when you upload files.

Laser cutting: ±0.1mm positional accuracy. CNC bending: ±0.5mm on bend position (±0.2mm with compensation), ±0.5° on bend angle (±0.25° with measurement). Hole-to-hole spacing: ±0.1mm (laser cut before bending). Overall part dimensions: ±0.5mm to ±1.0mm depending on size and complexity. Tighter tolerances achievable with post-machining or grinding.

Generally no - welding dissimilar metals (aluminum to steel, copper to stainless) is not recommended due to galvanic corrosion and vastly different melting points. However, we can join dissimilar metals using mechanical fasteners (rivets, bolts, PEM hardware), adhesive bonding, or transition pieces. For specific applications, explosion welding or friction stir welding may be possible (consult our engineering team).

Minimum inside bend radius = 1× material thickness (e.g., 2mm radius for 2mm thick steel). However, 1.5-2× material thickness is recommended to prevent cracking, especially on stainless steel and aluminum. Tighter radii possible with annealing or coining, but this adds cost. Bend radius affects flat pattern length (bend allowance), so specify radius in drawings for accurate quoting.

Lead times: Laser cutting only (flat parts): 2-3 days. Laser cutting + bending: 3-5 days. Laser + bending + welding: 5-7 days. Adding powder coating/anodizing: +3-5 days. Production batches (50-500 parts): 7-14 days. Same-day laser cutting available for simple flat parts ordered before 10 AM (subject to machine availability).

Laser: Faster (3-10× speed), narrower kerf (0.1-0.3mm), cleaner edges, limited to conductive materials (metals), heat-affected zone, max ~25mm thick. Waterjet: Cuts any material (metal, plastic, glass, stone), no heat (cold cutting), thicker materials (up to 150mm), wider kerf (0.3-0.8mm), slower. Use laser for metals <20mm. Use waterjet for thick plates, titanium, heat-sensitive materials, or non-metals.

Yes. We fabricate fully welded enclosures with TIG or MIG welding, then grind welds flush for seamless appearance. For highest aesthetic quality, we recommend hemmed edges (folded 180° for safety and stiffness) or continuous seam welds ground and polished smooth. Welded enclosures are then powder coated or painted to hide weld marks completely. Provide 3D CAD models for accurate assembly quoting.

Powder coating (any RAL/Pantone color, smooth or textured, 60-120µm), anodizing (aluminum only, Type II decorative or Type III hard coat), electroplating (zinc, nickel, chrome, gold), wet painting (enamel, epoxy), passivation (stainless steel), brushing/polishing (satin, mirror finish), e-coating (automotive-grade corrosion protection). Most popular: powder coating for steel, anodizing for aluminum.

Yes. Material mill certs (chemical composition, mechanical properties) provided on request for aerospace, medical, and critical applications. First Article Inspection Reports (FAIR), dimensional inspection reports, weld inspection reports available for production batches. We maintain full traceability for AS9100 and ISO 9001 compliance.

Yes. We install PEM nuts, PEM standoffs, PEM studs, threaded inserts, rivets, and other hardware during fabrication. This is much faster and stronger than welding nuts or tapping threads in thin sheet metal. Specify hardware type and location in your CAD model or drawings. Hardware cost included in quote. Common PEM sizes (M3, M4, M5, M6, M8) stocked for fast turnaround.