Sheet Metal Enclosure Production Equipment

Complete Equipment Solutions for Sheet Metal Enclosure Manufacturing

Sheet metal enclosures protect critical electronics, electrical systems, and industrial controls across every sector. Whether you produce NEMA-rated electrical boxes, EMI/RFI shielded housings, or heavy-duty server cabinets, the manufacturing process demands precision cutting, accurate bending, and reliable welding.

ARCUS provides the complete equipment ecosystem to manufacture high-quality sheet metal enclosures in-house. From fiber laser cutters to CNC press brakes and automated welding systems, our machines are engineered to handle mild steel, stainless steel, aluminum, and even copper alloys. Contact us today to discuss which equipment configuration fits your enclosure production volume and material requirements.

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Equipment Configurations for Every Enclosure Type

Standard / General Purpose

Requirement: Flat cutting, simple bends. Recommended Equipment: 2kW-4kW laser + 100-ton press brake

NEMA / IP Rated

Requirement: Tight tolerances, weather-resistant seams. Recommended Equipment: 4kW-6kW laser + robotic press brake + TIG welder

EMI/RFI Shielded

Requirement: Clean edges, minimal burrs (for conductive gaskets). Recommended Equipment: 4kW laser with nitrogen cutting + precision press brake

Ventilated Sheet Metal Enclosures

Ventilated

Requirement: Louvers, perforated patterns, fine features. Recommended Equipment: 3kW-4kW laser (high-speed thin sheet mode)

Heavy-Duty Sheet Metal Enclosures 2

Heavy-Duty Industrial

Requirement: Thick plate (¼″+), structural strength. Recommended Equipment:6kW-12kW laser + 200-ton press brake + heavy-duty welder

Custom Sheet Metal Enclosures

Compact / Small Series

Requirement:High accuracy, tight nesting. Recommended Equipment: Compact 1.5kW-2kW laser + 50-ton electric press brake

ARCUS Enclosure Manufacturing Process – From Coil to Finished Box

Learn Sheet Metal Fabrication

Step 1: Laser Cutting – Blank & Cutout

Using an ARCUS fiber laser cutter, you cut the flat blank from sheet stock, including all cutouts for ventilation, displays, connectors, and mounting holes. Equipment: ARCUS Fiber Laser (2kW-12kW depending on max thickness) Key capabilities: ±0.005″ hole position accuracy Smooth edge for gasket sealing (nitrogen cut) Micro‑tab nesting for small parts

Step 2: Deburring (Optional but Recommended)

Remove microscopic burrs from laser-cut edges – especially important for stainless steel enclosures where sharp edges are a safety and gasket issue. Equipment: In-line or standalone deburring machine (we can recommend integration)

Step 3: Bending – Forming the Box

Form the flat blank into a 3D box shape: four sides folded up, flanges for mounting covers, and internal stiffeners. Equipment: ARCUS CNC Press Brake (100-200 tons) Key capabilities: ±0.5° bend angle accuracy Multi‑axis backgauge for complex bend sequences Tooling for hems, offsets, and closed seams

Step 4: Welding – Seam & Corner Welding

Weld the corners, attach mounting brackets, add cable gland nuts, and seal any seams where moisture ingress must be prevented. Equipment: ARCUS TIG or Laser Welding System Key capabilities: Low-heat input to prevent distortion Consistent penetration for liquid‑tight seams (NEMA 4/4X)

Step 5: Finishing – Surface Preparation & Coating

While ARCUS does not perform finishing, we design our machines to produce surfaces ready for anodizing, powder coating, or painting with minimal pre‑work. Equipment interface: Our nitrogen cut mode leaves no oxide scale – parts can go directly to anodizing.

Step 6: Assembly & Packaging

Your team assembles hinges, latches, panels, and hardware. Our machines produce parts with accurate mounting hole locations – assembly is fast and predictable.

Fiber Laser Cutter – The First Step

Fiber Laser Cutter – The First Step

ModelPowerMax Mild SteelMax StainlessBest For
ARCUS E Series2kW – 4kW½″ (12mm)¼″ (6mm)Thin enclosures, electronics boxes, small job shops
ARCUS Pro Series6kW – 12kW1″ (25mm)½″ (12mm)Industrial enclosures, heavy-duty NEMA boxes, high‑mix production
ARCUS Auto Series4kW – 8kW¾″ (20mm)⅜″ (10mm)Automated sheet loading/unloading – high volume

Key features for enclosures:

Automatic nozzle changer (swap between nitrogen for clean edge and oxygen for speed). Closed‑loop piercing control (prevents blow‑through on thin sheets). Edge‑quality monitoring (optional camera inspection).

CNC Press Brake – Accurate Bending

ModelForceBending LengthBest For
ARCUS B Series100 tons8 feetStandard boxes, chassis, brackets
ARCUS H Series200 tons12 feetHeavy‑duty enclosures, thick plates (¼″+)
ARCUS Electric50 tons5 feetSmall precision enclosures, high‑speed light gauge

Key features for enclosures:

Multi‑axis backgauge (handles complex bend sequences for 5‑sided boxes) Crowning table (ensures consistent bend angle across long flanges) Tooling library (pre‑programmed for common hem, offset, and radius tools)

Welding Systems – Seam & Corner Joining

SystemTypeBest For
ARCUS TIG 200PAC/DC TIGStainless steel enclosures, thin panels (≤ ⅛″), cosmetic welds
ARCUS Laser Welding SystemFiber laserHigh‑speed corner welding, low heat input, automation ready
ARCUS MIG 350Pulse MIGMild steel enclosures, thick plates, heavy‑duty industrial boxes

Key features for enclosures:

Pulse control (reduces spatter, eliminates post‑weld grinding) Programmable weld schedules (one‑button for common corner joints) Fume extraction compatible (important for stainless welding)

Materials for Enclosure Manufacturing – Machine Compatibility

ARCUS equipment is calibrated for all common enclosure materials. Below is a compatibility table.

Material TypeCommon GradesLaser CutterPress BrakeWelderNotes
Mild SteelA36, 1008, 1018, GalvannealExcellent (oxygen or nitrogen)ExcellentExcellent (MIG/TIG)Most common enclosure material
Stainless Steel304, 316, #4 brushedExcellent (nitrogen only)Excellent (higher tonnage)Excellent (TIG or laser)Requires anti‑reflection laser
Aluminum5052, 6061, 1100Excellent (nitrogen, high speed)Good (springback compensation)Good (AC TIG)Reflectivity protection required
Brass / CopperC110, C260, C27400Limited (needs high reflection protection)GoodGood (TIG)Not recommended for standard laser
Galvanized / GalvalumeA653, AZ55Excellent (vented cutting mode)ExcellentGood (zinc fumes require extraction)Venting prevents coating burn

For galvanized and stainless, we include fume extraction compatibility recommendations.

Our Service Commitment

We don’t just sell machines. We ensure your enclosure production line stays running.

  • 24/7 North American Support – Real engineering support by phone, email, or remote desktop. Nights and weekends included.

  • 90‑Minute Response SLA – For critical issues (press brake not holding angle, laser cutting head fault), we respond within 90 minutes.

  • Free Lifetime Process Tuning – New material or gauge? We remotely dial in laser, bend, and weld parameters at no charge.

  • US Spare Parts Warehouse – Nozzles, lenses, press brake tooling, welder consumables shipped same‑day from Chicago.

  • 3‑Year Limited Warranty – Covers laser source, press brake hydraulics, welder electronics.

  • Free Test Cut Before Purchase – Send your enclosure drawing. We produce sample parts on ARCUS equipment and ship them back.

Typical Applications & Industry Examples

Ready to Equip Your Enclosure Production Line?

Whether you are a job shop adding new capacity or an OEM bringing enclosure manufacturing in‑house, ARCUS has the laser, press brake, and welding systems you need.

  • Request a Quote – Tell us your typical materials, thicknesses, and production volume.

  • Free Test Cut – Send a DXF. We produce sample enclosure parts and return them to you.

  • Live Demo – See a complete enclosure production cell (laser + press brake + welder) at our facility or via live stream.

Contact us today to start producing better enclosures faster.

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    Frequently Asked Questions

    Q: What laser power do I need to cut ½″ steel enclosures?

    A: 4kW cuts ½″ mild steel at 15‑20 IPM. For production, 6kW is faster (30‑40 IPM). We provide a thickness‑speed chart.

    Q: Can one ARCUS laser cut both mild steel and stainless enclosures?

    A: Yes. Switch gas from oxygen (mild steel) to nitrogen (stainless). The same machine cuts both; we include both parameter libraries.

    Q: How do I maintain consistent bend angles across long enclosure flanges (e.g., 48″ wide panel)?

    A: Use a press brake with crowning table (standard on ARCUS H series). It automatically compensates for deflection.

    Q: What welding method is best for NEMA 4X liquid‑tight seams?

    A: TIG welding with back‑purging for stainless. ARCUS TIG 200P includes pulse control – reduces heat, minimizes distortion.

    Q: Can you supply a full enclosure fabrication line (laser, brake, welder)?

    A: Yes. We provide fully integrated lines from flat sheet to finished welded enclosure. Ask about turnkey packages.

    Q: Do you offer training for my operators?

    A: Yes. Five days on‑site installation and training included. We also provide remote refresher sessions.

    Q: How do I get a free test cut of my enclosure design?

    A: Send a DXF drawing. We cut, bend, and (if needed) weld sample parts on ARCUS equipment and ship them back. No obligation.

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