Epoxy sheet (usually referring to epoxy resin fiberglass sheets such as FR4, G10, and 3240) can be machined into a va...
Epoxy sheet (usually referring to epoxy resin fiberglass sheets such as FR4, G10, and 3240) can be machined into a variety of electrical and mechanical components, primarily for electrical insulation, structural support, and high-temperature load-bearing. Common machined parts and their applications are as follows:
Insulating gaskets/insulating separators: Used within electrical equipment such as transformers, switchgear, motors, and inverters to provide phase-to-phase and phase-to-ground insulation.
Insulating brackets/insulating posts: Provide mechanical strength while maintaining electrical insulation and are commonly used for busbar mounting and copper busbar support.
Insulating rings/insulating sleeves: Used between windings and metal components within motors and electrical appliances to prevent breakdown.
Slot wedges/insulating clips: Used to secure windings within motor slots.
Fasteners (screws, nuts, washers): Used as metal replacements in environments requiring insulation, anti-magnetic properties, and corrosion resistance.
Supports/brackets: Offer both high mechanical strength and voltage resistance and are used in electrical control cabinets and power equipment. Sliders and Guides: Utilizing the wear resistance and stability of epoxy sheets, some machinery industries use them.
Insulation Baffles: Used in high-temperature electrical equipment or chemical environments to prevent arcing or chemical corrosion.
Heat-Resistant Isolators: Used in welding fixtures and SMT jigs due to their excellent heat resistance and dimensional stability.
Aerospace/Military: Processed into lightweight structural components and insulation parts.
New Energy Vehicles: Battery insulation boards and insulation supports.
Electronics: PCB jigs, fixtures, and test frames.
| Use | Typical Machined Parts | Application Field | Performance Requirements |
|---|---|---|---|
| Electrical Insulation | Insulating gaskets, spacers, rings, sleeves | Transformers, switchgear, motors, inverters | High dielectric strength, voltage resistance, arc resistance, dimensional stability |
| Insulating Support & Fixation | Insulating brackets, pillars, slot wedges, locking blocks | Motor stators, busbar fixation, copper conductor supports | High mechanical strength, good insulation, heat and fatigue resistance |
| Structural Components | Brackets, supports, fasteners (screws, nuts, washers) | Control cabinets, power modules, electrical assemblies | High strength, corrosion resistance, insulation, non-magnetic |
| Heat-resistant Isolation | Isolation plates, soldering fixtures, SMT tooling | Electronics manufacturing, testing equipment, welding processes | Heat resistance (≥150℃), no deformation, stable insulation |
| Corrosion Protection & Barriers | Insulating baffles, protective panels | High-voltage equipment, chemical industry | Arc resistance, corrosion resistance, flame retardancy, long-term stability |
| New Energy Applications | Battery insulation boards, support parts | EV battery modules, energy storage systems | High voltage resistance, flame retardancy, lightweight, impact resistance |
| Transportation | Insulating parts for motors and control systems | Rail transit locomotives, traction control equipment | High strength, vibration resistance, moisture resistance |
| Aerospace & Military | High-strength insulating structures, lightweight components | Spacecraft, aviation power systems, defense equipment | High strength, lightweight, radiation resistance, extreme environment durability |
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Time:09-09 2025
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