CNC Punched & Bent Busbars

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*If you have any design files that need to be sent, please email them to jaycnc@yeah.net

Description

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Applications & Functions

Our CNC punched & bent busbars (precision-bent copper/aluminum electrical busbars with custom mounting holes and insulating sleeves) are engineered specifically to overcome spatial constraints and ensure low-resistance, high-current power transmission in tight electrical assemblies. Manufactured using high-purity C1100 electrolytic copper or electrical-grade aluminum, processed through multi-axis CNC punching, 3D precision numerical control bending, and fitted with protective insulating sleeves, these busbars provide stable, flame-retardant, and efficient electrical pathways between offset power components.

They are extensively utilized across various high-voltage, automotive, and industrial power distribution sectors:

  • Electric Vehicles (EV) & Battery Energy Storage (BESS): Serves as custom-shaped inter-module links for EV battery packs, Battery Management Systems (BMS), and power distribution units (PDU).

  • High-Voltage Switchgear & Distribution Panels: Ideal for complex 3D busbar routing in electrical switchboards, control cabinets, and power transformers.

  • Renewable Energy Inverters & Power Converters: Functions as high-efficiency conductive bus links inside commercial solar inverters, wind power control units, and grid storage stations.

  • Heavy Machinery & Industrial Power Supplies: Highly suited for Variable Frequency Drives (VFDs), industrial power conversion units, and heavy robotic controllers.

Outstanding Product Features

  • Precision CNC Punching & Hole Patterning: Mounting holes, slots, and countersinks are CNC-punched and secondary-milled with tight dimensional tolerances (+/-0.02 mm) to guarantee perfect bolt alignment and fast drop-in installation.

  • Accurate 3D CNC Bending Geometry: Formed via multi-axis numerical control bending tools to create smooth, stress-free S-bends, Z-bends, and multi-tier offsets that fit compact 3D enclosures perfectly without material cracking.

  • High-Voltage Insulating Sleeving: Fitted with high-dielectric heat-shrink insulation tubing across the center conductor body, preventing phase-to-phase arcing, accidental short circuits, and operational hazards.

  • High-Purity Material Conductivity: Fabricated from premium C1100 electrolytic copper (≥ 97% IACS conductivity) or high-grade aluminum alloys, minimizing voltage drops and heat generation under high continuous currents.

  • Anti-Oxidization Surface Plating Options: Available with tin plating, nickel plating, or silver plating on exposed terminal pads to ensure zero surface oxidation and low contact resistance over long service life.

Why Choose Us? 10+ Years CNC Machining Expertise

We operate as an all-around direct source manufacturer  with over 10 years of professional CNC machining and high-precision mechanical component manufacturing experience.

  • Direct Factory Price Advantage: Source your CNC punched and bent busbars, insulated copper conductors, flexible shunts, and electrical hardware directly from our production workshop to eliminate trading company markups and maximize your procurement margins.

  • All-Around Hardware Fabrication Facility: As a comprehensive, all-around production facility, we process a diverse range of high-performance materials including iron, stainless steel, copper, bronze, titanium alloys, and aerospace-grade aluminum alloys to meet exact engineering specifications.

  • Bespoke OEM/ODM Turnkey Customization: We machine custom bent busbars, heat sinks, electronic enclosures, and structural hardware tailored precisely to your CAD/3D STEP models. You can specify bending radii, hole layouts, sleeve types, surface platings, and localized laser logo markings.

  • Advanced Multi-Axis CNC Milling & Bending Capabilities: Our facility is equipped with state-of-the-art CNC punching presses, CNC milling centers, automated bending machinery, and profiling equipment capable of maintaining tight dimensional tolerances.

  • Rigorous Quality & Electrical Inspection: Every single production batch undergoes severe CMM dimensional audits, hole pitch verification, dielectric insulation testing, and contact resistance checks to guarantee out-of-the-box installation reliability.

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Request a Quote Now!

If you have any design files that need to be sent, please email them to info@xml-cnc.com