CNC Cutting & Heavy Fabrication Capacities
Explore detailed machine specifications, working bed formats, thickness ranges, and material capabilities across Onkar Engineering's 24,000 sq. ft. Chakan facility.
Core Production Processes
Five specialized metal-processing capabilities.
Each cutting and forming process is configured for specific tolerances, plate sizes, and material grades.
CNC Laser Cutting
Large-format CNC laser cutting for mild steel, stainless steel, aluminium, brass, acrylic and selected non-metals.
Waterjet Cutting
Cold cutting for thick, heat-sensitive and mixed material requirements up to 300 mm.
Plasma & Oxyfuel Cutting
Large-format plate processing on a 3 x 15 m Pro-Arc cutting bed for heavy industrial requirements.
CNC Press Brake Bending
CNC press brake forming on a Proteck 170-tonne machine with a 3 m working length.
Heavy Fabrication & Assembly
Welding, fitment, structural fabrication and assembly backed by in-house CNC cutting and bending.
Process Comparison Table
Side-by-side capacity verification.
Review machine envelope, cutting format, and thickness ranges across all processes.
| # | Process Name | Machine System | Bed Format | Thickness Range | Materials | Action |
|---|---|---|---|---|---|---|
| 01 | HAN'S, Mitsubishi & Trumpf | 2.5 x 8.0 m | MS 40 mm · SS 40 mm · Al 10 mm | Mild steelStainless steelAluminiumBrassAcrylic and selected non-metals | ||
| 02 | KMT Germany | 2.0 x 4.0 m | Metals & Non-metals up to 300 mm | Mild steelStainless steelAlloy steelAluminiumSelected non-metals | ||
| 03 | Pro-Arc | 3.0 x 15.0 m | Plasma up to 30 mm · Oxyfuel up to 275 mm | Mild steelStainless steelCarbon steel plate | ||
| 04 | Proteck | 3 m | 170T Press · MS to 8 mm · SS to 6 mm | Mild steelStainless steel | ||
| 05 | MIG/TIG fabrication and assembly | Requirement-led | SS 300 series, Duplex & Carbon steel | SS 300 seriesDuplex stainless steelCarbon steel |
Infrastructure & Fleet
Machine inventory & equipment details.
All machinery is operated in-house at MIDC Phase III, Kuruli, Chakan.
HAN'S CNC Fiber Laser
Large-format fiber laser cutting designed for long plate profiles, heavy machinery blanks, and structural sheet processing with high speed and high accuracy.
Mitsubishi & Trumpf CO2 Lasers
Precision CO2 laser cutting systems dedicated to complex sheet metal geometry, electrical enclosures, stainless steel profiles, and specialized non-metal materials.
KMT Germany Abrasive Waterjet
Cold cutting technology operating with zero Heat-Affected Zone (HAZ). Ideal for thick stainless steel plates, tool steel, heat-sensitive alloys, titanium, and composite materials.
Pro-Arc Heavy Plasma & Oxyfuel
Extra-large 15-meter gantry system built for heavy industrial plate cutting, earth-moving equipment components, vessel shells, and heavy structural blanks.
Proteck CNC Press Brake
Multi-axis CNC press brake forming providing accurate, repeatable bend angles for sheet metal housings, brackets, channels, and fabricated structural frames.
Heavy Fabrication Infrastructure
Integrated fabrication shop equipped with MIG/TIG welding stations, band saws, magnetic drills, fitment beds, and 10-ton overhead lifting infrastructure.
Material Feasibility Matrix
Thickness limits by material grade & process.
Use this guide to select the optimum cutting or forming route for your drawing.
| Material Category | CNC Fiber Laser | Abrasive Waterjet | Plasma Cutting | Oxyfuel Cutting | CNC Bending |
|---|---|---|---|---|---|
| Mild Steel (MS) | Up to 40 mm | Up to 300 mm | Up to 30 mm | Up to 275 mm | Up to 8 mm |
| Stainless Steel (304 / 316 / Duplex) | Up to 40 mm | Up to 300 mm | Up to 25 mm | N/A | Up to 6 mm |
| Aluminium & Alloys | Up to 12 mm | Up to 300 mm | Available on review | N/A | Up to 6 mm |
| Brass & Copper | Up to 3 mm | Up to 300 mm | N/A | N/A | Available on review |
| Non-Metals (Acrylic, Composites, Rubber) | Up to 25 mm | Up to 300 mm | N/A | N/A | N/A |
Value-Added Services
Post-cutting & secondary operations.
Streamline your supply chain with complete secondary processing under one roof in Chakan.
Edge Preparation & Beveling
V-bevel, K-bevel, and straight chamfering for structural welding prep and pressure vessel seam joints.
Drilling, Tapping & Countersinking
Secondary hole machining using magnetic drills, bench drills, and heavy-duty portable tooling.
Fit-Up & Tack Welding
Experienced fitters align cut and formed parts to drawing tolerances prior to full seam welding.
Certified MIG & TIG Welding
Qualified welding procedures for SS 300 series, duplex stainless steel, and heavy carbon steel assemblies.
In-Process Quality & Calibration
Dimensional verification with NABL-calibrated verniers, micrometers, and height gauges at critical stages.
Dispatch & Surface Prep
Pre-dispatch deburring, surface cleaning, anti-rust coating, and secure palletized packaging.
RFQ Technical Guidelines
Submitting drawings for quick turnaround quotation.
To receive an accurate commercial and technical proposal from our Chakan engineering team, please include the following details in your inquiry:
- 2D CAD Files: DXF or DWG format (1:1 scale in millimeters) for laser, waterjet, plasma & oxyfuel cutting.
- 3D Models: STEP (.stp) or IGES (.igs) models for CNC press brake bending and fabricated structural assemblies.
- Material Grade: Certified specification (e.g. IS 2062 E250, SS 304, SS 316L, Hardox, Aluminium 6061-T6).
- Quantity & Delivery: Prototype sample, batch size, or recurring monthly production volume.
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