Sheet Metal Solutions for Electrical Cabinet Manufacturing | STON

STON CNC sheet metal automation solutions - hero banner

High-Efficiency Sheet Metal Fabrication Solutions for Electrical Cabinets

Electrical cabinet manufacturing demands precision hole patterns, tight angular tolerances, and consistent surface quality at scale. STON’s CNC punching and bending systems are built to meet these requirements on every shift.

Industry Challenges

Common Challenges in Electrical Enclosure Manufacturing

Electrical cabinets and switchgear enclosures require dense hole patterns for cable routing, ventilation, and mounting — combined with precise multi-angle bending to maintain IP-rated sealing surfaces. Manual processes struggle to maintain both speed and accuracy.

  • Complex Multi-Bend Profiles

    Electrical enclosures require precise multi-angle bends with tight tolerances to ensure proper door sealing, panel alignment, and IP-rating compliance. Manual repositioning between bends introduces cumulative error.

  • Surface Scratching

    Sheet metal surfaces must remain scratch-free to maintain corrosion protection and powder coating adhesion. Conventional worktables damage surfaces during punching and bending operations.

  • Low Efficiency, High Labor Costs

    Dense hole patterns on enclosure panels require long punching cycles on conventional equipment. High operator headcount and frequent tool changeovers reduce throughput and increase per-unit cost.

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The STON Workflow

The STON Automated Workflow for Electrical Cabinets

STON transforms your production from manual bottlenecks to an intelligent, continuous flow. Here is how our sheet metal fabrication equipment optimizes your electrical cabinet manufacturing process

  • 01

    Precision Blanking

    Turret punch press completes all cable entry holes, ventilation slots, mounting holes, and edge notches in a single setup at 405 hits/min — with ±0.1mm positioning accuracy across the full panel.

    STON CNC sheet metal automation solutions - precision blanking
  • 02

    Intelligent Bending

    CNC panel bender forms all enclosure profiles — including door flanges, corner returns, and cable management channels — in a single clamping operation without repositioning.

    STON CNC sheet metal automation solutions - intelligent bending
  • 03

    Flawless Finish

    Brush and steel ball composite worktables protect panel surfaces throughout the process. Automatic loading and unloading eliminates manual contact and maintains surface integrity for downstream powder coating.

    STON CNC sheet metal automation solutions - flawless finish

Recommended Equipment

Recommended Machines for Electrical Cabinet Production

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Transforming an Electrical Cabinet Manufacturer

A leading manufacturer of low-voltage distribution boxes in the Middle East upgraded their facility with a STON Automatic Panel Bender and a Turret Punch Press

  • 210%

    Productivity

    Output increase achieved when replacing manual press brake bending with a CNC panel bender on standard enclosure panel production.

  • 4 to 1

    Labor Reduction

    One operator on a STON panel bender handles the output previously requiring four operators on conventional press brakes.

  • 0%

    Quality Assurance

    Surface defect rate on enclosure panels when processed with brush-and-steel-ball composite worktables and automatic loading systems.

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    Scale Up with Fully Automated Production Lines

    As production volumes grow, manual transfer between punching and bending stations becomes the primary bottleneck. STON’s automatic loading and unloading systems connect each processing cell into a continuous, unmanned production flow — reducing per-part cycle time, eliminating positioning error between operations, and enabling consistent output across all shifts without additional headcount.

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    Engineered and Built In Our 20,000㎡ Facility

    Every STON machine is designed, machined, assembled, and inspected entirely in-house at our Qingdao facility. We control every step of production — from frame casting and heat treatment to precision grinding and final calibration — ensuring the long-term dimensional stability and reliability that industrial manufacturers depend on for consistent production quality.

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