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Power Distribution Cabinet · Electrical-Equipment Automatic Riveting Machine · Switchgear / Distribution Box / Cable Tray Riveting Solutions
Many manufacturers supply electrical switchgear assemblies, distribution boxes, switchgear, ring-main units, control boxes, cable trays and busbars, and battery-swap/charging cabinets. Cabinets commonly use thin sheet, powder-coated panels and aluminum-profile/galvanized frames, requiring many joints and removable internal threads on doors, mounting plates and frames. Traditional tapping strips threads and welded nuts distort and damage the coated surface. CHANRUI's automatic rivet nut tool forms M3-M12 rivet nuts in one stroke and, together with dual-gun riveting machines, completes cabinet assembly; it can be retrofitted in place after powder coating - a mature solution the switchgear industry uses to improve efficiency and appearance, with free on-site trials for power-cabinet enterprises nationwide.
Cabinet Workpieces & Selection
| Workpiece | Common Sizes | Recommended Model |
|---|---|---|
| Distribution/RMU cabinet frames | Ø4.0-4.8 rivets | Dual-gun / fast riveting machine |
| Internal threads in doors, mounting plates | M5-M10 rivet nuts | Dual-motor rivet nut tool |
| Large-cabinet frames, aluminum-profile beams | M6-M12 rivet nuts | High-pull-force rivet nut tool |
| Cable trays, brackets | Thick plate / galvanized parts | High-pull-force riveting machine |
Rivet Nuts Compared to Tapping / Welded Nuts
| Item | Tapping / welding | Rivet nut |
|---|---|---|
| Internal threads in thin sheet | Tapping prone to stripping | Formed in one stroke, with no back-side distortion |
| Rework after powder coating | Repair welding/grinding damages the surface | In-place retrofit, completed in minutes |
| Removal & maintenance | Limited thread life | Repeatedly removable, easy to maintain |
| Environment & labor | Welding fumes, depends on skilled workers | No fumes, a single machine replaces 3 workers |
Solution Highlights
Frames and doors use a rivet nut tool plus a dual-gun riveting machine combination; coated parts with on-site hole changes get rivet nuts retrofitted directly; cable trays and thick-plate brackets use high-force models.
Mounting plates and doors originally used tapping plus bolts, with frequent stripping rework and post-coating hole filling. After switching to rivet nuts and deploying 2 automatic rivet nut tools and 1 high-force riveting machine, frame and door operations merged into the assembly line, repair-welding/grinding labor was largely removed, and manual labor per cabinet fell by about one third.
FAQ
Yes. Rivet nuts are cold-formed; on coated parts, simply set them into pre-made holes - no welding, no damage to the coated surface - ideal for on-site hole changes and rework.
Dual-motor high-force models cover M10-M12 rivet nuts and aluminum-profile beams; during the trial we test on site using the thickest plate, and provide a gantry solution if needed.
Yes. For electrical switchgear enterprises nationwide, an engineer can bring a machine to your factory and run samples on real cabinets; usually free of charge.
Related:Dual-motor rivet nut tool · Automatic Riveting Machine · Electronics/Electrical · Cabinet Solutions
Power-cabinet / electrical customers: reserve sampling
Provide cabinet drawings, plate thickness and fastener specs; an engineer will bring a machine on site to test rivet-nut pull force, stripping rate and labor time, and provide a selection quotation.
Service Process
- 1. Process ConfirmationMaterial, plate thickness, joint points and finish requirements
- 2. On-site TrialAn engineer brings a matched model to your factory for sampling
- 3. Threads / Error-proofingVerify the rivet nut and counting-IO solution
- 4. Line IntegrationBench-top / suspended / in-line / robotic mounting
- 5. Spare Parts SupportFull set of nozzles, 1-year warranty, parts stocked at the factory
