Electrical Insulation Manufacturing Infrastructure
ACC Insulations (Arunoday Composit Corporation) operates a specialised manufacturing facility in Nashik, India, dedicated to the production and fabrication of high-performance electrical insulation materials and transformer insulation components.
Our infrastructure combines advanced CNC machining systems, composite material processing equipment, and precision fabrication techniques to manufacture insulation components used in transformers, motors, generators, switchgear systems and industrial electrical equipment. All production conforms to IEC and IS standards.
Production Infrastructure
- CNC machining centres for precision insulation component manufacturing
- Hydraulic press systems for composite forming and lamination
- Industrial cutting and milling machines for insulation sheets and laminates
- FRP sheet processing and fabrication equipment
- Controlled drying and seasoning chambers
- Specialised finishing and precision assembly workstations
Key Manufacturing Machinery
Our manufacturing facility is equipped with specialised machinery for precision fabrication and processing of electrical insulation materials and composite components. These systems enable us to manufacture complex parts with high dimensional accuracy and consistent electrical insulation performance.
CNC Machining Centres
Used for precision cutting, drilling and shaping of insulation materials such as FRP sheets, glass fiber laminates and engineering plastics. CNC machines allow production of complex transformer insulation components with tight tolerances.
Hydraulic Press Machines
Hydraulic presses form, compress and shape composite insulation materials under uniform pressure. They produce pressboards and laminates with high mechanical strength and long-term durability for power transformer applications.
Industrial Milling Machines
Milling machines cut grooves, slots and custom profiles in insulation boards and composite sheets. This produces specialised components required in transformer and electrical equipment assemblies to precise engineering drawings.
Precision Cutting Machines
High-accuracy cutting systems process insulation sheets into custom dimensions and shapes as required by OEM manufacturers. These machines ensure smooth finishing and consistent dimensional accuracy across every production run.
Composite Fabrication Units
Dedicated fabrication units process FRP sheets, laminates and composite insulation materials into finished electrical insulation components used in transformers, switchgear and industrial electrical equipment.
Drying & Seasoning Chambers
Controlled drying chambers remove residual moisture from insulation materials, directly improving dielectric strength. Proper seasoning ensures stability and reliability in high-voltage electrical applications — critical for oil-immersed transformer components.
Our Manufacturing Process
Every insulation component produced at our facility follows a structured multi-stage process that maintains dimensional accuracy and electrical performance from raw material entry to final dispatch.
Raw Material Inspection
Incoming materials — FRP sheets, epoxy laminates, kraft paper, pressboard stock — are inspected for thickness, density, and moisture content before entering production.
Cutting & Pre-Processing
Sheets are cut to approximate blank sizes using precision cutting machines, minimising waste and preparing material for the next machining stage.
CNC Machining & Forming
Components are precision-machined or hydraulic-pressed to OEM drawing specifications. CNC programs ensure repeatability across high-volume production runs.
Drying & Seasoning
Machined components are conditioned in controlled-temperature chambers to remove moisture and stabilise the material's dielectric properties before assembly.
Quality Inspection
Dimensional tolerances, surface finish, dielectric strength and mechanical integrity are verified. Only components within specification are released for packing.
Packaging & Dispatch
Components are carefully packed to prevent moisture ingress and mechanical damage during transit. Delivery is coordinated across India and internationally.
Materials We Process
Our facility processes a wide range of industrial insulation materials and composite substrates used in electrical and power sector applications.
- FRP sheets and pultruded composite profiles
- Glass fiber reinforced laminates
- Transformer insulation boards and components
- Engineering insulation plastics and composite materials
- Custom fabricated electrical insulation components to OEM drawings
Precision Machining & Custom Fabrication
ACC Insulations specialises in custom machining and fabrication of insulation components based on OEM drawings and technical specifications. Our manufacturing systems produce complex insulation parts with consistent dimensional tolerances and reliable electrical performance.
We manufacture insulation components for transformers, switchgear assemblies, electrical panels and industrial electrical equipment requiring high dielectric strength and mechanical stability. Components can be supplied in batch quantities or as repeat-order production runs.
Quality Assurance & Standards Compliance
Quality control is implemented at every stage of our manufacturing process. Each batch of insulation materials undergoes inspection to ensure compliance with customer specifications, IEC and IS standards, and industrial performance requirements.
- Raw material inspection and verification against specifications
- Dimensional tolerance inspection to OEM drawing requirements
- Mechanical and structural integrity checks
- Dielectric and insulation performance evaluation
- Final inspection and documentation prior to dispatch
Industries We Serve
Our insulation components and composite materials are used across a wide range of electrical and industrial sectors. View all industries we serve →
- Power transformer manufacturing (distribution and power grade)
- Switchgear and electrical panel manufacturing
- Motor and generator manufacturing (including EV motors)
- Electrical infrastructure and utility projects
- Industrial equipment and OEM manufacturing
Engineering Tools Suite
Calculate exact machining tolerances, material yields, and physical properties for your custom fabricated insulation components using our interactive technical calculators.
Need Custom Electrical Insulation Components?
ACC Insulations manufactures precision electrical insulation components and composite parts tailored to the requirements of OEM manufacturers and industrial equipment suppliers. Send us your technical drawings or specifications and our engineering team will provide a detailed quotation.
Request Technical Quote