Electro-Mechanical Assembly

Electro-Mechanical Assembly - Special Products & Mfg., Inc. - Rockwall (DFW) TX

SPM specializes in electro-mechanical assembly. We focus on building higher level assemblies of mechanical parts and adding passive devices to enclosures, cabinets, racks, and box builds. We can also do some light testing of electro-mechanical assemblies.

General Electro-Mechanical Assembly Capabilities

  • Riveting
  • Bolt Together
  • Construction/Assembly
  • Kitting – BOMs to seven levels deep
  • Hardware Insertion
  • Dedicated Mix Model Moving Line w/ Andon System
  • Shadow Boxes
  • End of Line Prepping, Inspection, and Packaging
  • Adhesive Bonding in lieu of Welding
  • Sub-Assembly Prestaging
  • Wire Splicing and IPC Soldering
  • Torquing Click, Beam, Digital, Slip Type
  • Digitized Detailed Work Instructions
  • Custom Packaging, Skidding and Crating

Special Electro-Mechanical Assembly Capabilities

  • Cables, Fans, Switches
  • Door Handles, Cam Locks, Chassis Slides
  • Gasketing, EMI/RFI Shielding, Seal Gasketing
  • Hinged Doors and Door Mechanisms are our specialty
  • HI Pot Testing
  • Torque Measurement

Inspection Capabilities

  • Quality Control department utilizes special equipment to thoroughly review products for quality before they are shipped to you, including but not limited to Inspect Vision, HI Pot Testing, Romer Arm, Torque Measurement, Height Gauges, Calipers, Micrometers, and Precision Linear Scales.

Quality Assurance and Certifications

  • In compliance with and certified to ISO 9001:2015
  • Underwriters Laboratory (UL) Certification for industrial control panel enclosures
  • Others Certifications are CSA and TUV

Data Exchange

  • AutoCAD
  • SolidWorks
  • ProEngineer (Pro-E)
  • DXF, IGES, STEP for direct importation into our CAD systems.
  • PDF, TIF, JPEG, BMP, PNG, and EPS (for graphics)

Special Services

  • HI Pot Testing
  • Resistance Testing
  • Adhesive Bonding in lieu of Welding
  • ESI-Early Supplier Involvement (Concept)
  • Concurrent Engineering (Design)
  • Value Add Engineering (Sustaining)
  • Lean Initiatives and Kaizen Blitzes
  • Custom Packaging, Skidding and Crating

Typical Annual Volumes

  • From prototypes to 10,000 pieces annually
  • Discrete orders
  • Blanket orders
  • Quarterly Buys
  • Annual Contracts


  • Welded and Powder-coated Enclosures, Frames, Cabinets
  • Adhesive Bonded Enclosures, Frames, Cabinets
  • Riveted Enclosures, Frames, Cabinets

Electro-Mechanical Assembly Equipment

  • 2 Ton Overhead Crane at beginning and End of Moving Line
  • Andon System
  • Mark-10 Force Gauge Tester
  • Simpson Resistance Tester
  • Chroma HI Pot Analyzer 19057-20
  • Torque Measurement Tester
  • 12 Hardware insertion presses, including:
  • (2) PemSerter Automatic Feed Hardware Press
  • (1) PemSerter Manual Feed Hardware Press
  • (6) Haegar Hydraulic Hardware Press
  • (2) Haegar Four bowl Automatic Feed Hardware Press
  • Multiple- AutoSert AS-10 Hydraulic Hardware Press
  • Multiple- High-Speed Avdel Riveting Guns
  • Multiple- Air Power Pop, Avdel, and Cherry Rivet Guns
  • Multiple- Air Power C-Squeeze for Rivets
  • Multiple- Screw Gun, Nut Driver, Power Tapper
  • Multiple- Power Riv-Nut Installation Tooling