Expertise – Pentagon Machine

At Pentagon Machines, we have built expertise through decades of hands-on manufacturing, disciplined processes, and continuous investment in capability. It is defined not just by machines or infrastructure, but also by the ability to execute complex programs with consistency, control, and confidence over time.

Our expertise spans capacity planning, precision machining, assembly, testing, and validation, supported by robust quality systems and experienced teams. Together, these capabilities enable us to support demanding, business-critical applications while meeting stringent requirements for accuracy, reliability, and long-term program stability.

Infrastructure

Pentagon Machines operates from two ISO 9001:2015 certified manufacturing facilities in Chennai, spanning 43,200 sq. ft. land area with ample space for development. Purpose-built layouts, clean-room assembly areas, and controlled production environments support consistency across complex and long-running programs.

Machinery

We possess the "Golden Triangle" of manufacturing - Makino-Zoller-Zeiss trio. We haven't just bought machines; we have invested in a metrology-led manufacturing process making precision our guiding principle. This allows us to handle parts that smaller companies simply cannot measure, let alone deliver.

Download our Machinery List

Testing

Testing and validation are integral to Pentagon’s manufacturing process. Dedicated test rigs and automated systems support functional, pressure, endurance, and performance testing. Validation is aligned with real-world operating conditions to ensure reliable performance.

Safety

Safety at Pentagon Machines is embedded into daily operations and shop-floor practices through disciplined procedures, training, and supervision. A safe working environment supports consistent operations, quality, and long-term program stability.

Global OEM Programs

Pentagon Machines has extensive experience supporting long-running OEM manufacturing programs for international customers, delivering consistent quality, reliability, and supply over extended timeframes.

These programs require a disciplined approach to process control, documentation, and traceability, ensuring that every component meets defined specifications across production cycles. Manufacturing is aligned with OEM requirements, including structured quality planning, validation, and ongoing performance monitoring.

Built on long-term partnerships and operational stability, this capability reflects Pentagon’s ability to integrate seamlessly into global supply chains and support critical programs with confidence and accountability.

Pentagon Machines has a long-standing background in the design and manufacture of Special Purpose Machines (SPM), developed to meet specific manufacturing and automation requirements across automotive and engineering applications. Each system is built with a clear understanding of the component, the manufacturing sequence, and the operational constraints of the end application.

Over the years, Pentagon has developed SPMs for critical automotive components, including cast iron cylinder blocks and cylinder heads, aluminium crankcases and cylinder heads, and tractor transmission housings. The company has also designed and built specialised machines for forged steel crankshaft machining, covering processes from CNC turning to CNC pin milling and grinding.

In addition to industrial applications, Pentagon has delivered customised machines for consumer product manufacturing, including candy production equipment and retail display systems such as Wrigley’s bubble-gum stands.

Pentagon has supported a wide range of organisations through its SPM manufacturing work, including:

Ashok Leyland Limited, Madras
Bajaj Auto Limited, Pune
Escorts Limited, Faridabad
Escorts Tractors Limited.
Greaves Ltd. (Diesel Engine Division), Ranipet
Hindustan Motors Limited, Madras
Ind-Suzuki Limited, Hosur
Sellvinds, Madras

Precision Manufacturing Capability

Category	Primary Equipment	Key Brands / Technology	Strategic Advantage
Housing & Prismatic Machining	CNC Horizontal Machining Centres (HMC)	Makino	High-volume, multi-face machining with extreme thermal stability.
	CNC Vertical Machining Centres (VMC)	High-Precision Series	Versatile 3-axis & 4-axis component profiling.
	CNC Turning Centres	High-Torque Lathes	Precision turning for shafts and cylindrical housings.
	Fine Boring & Vertical Milling	Specialized Boring Lines	Critical for engine blocks and gearbox housing tolerances.
Precision Gear Manufacturing	CNC Gear Hobbers	Cooper Pfauter	High-speed, accurate gear tooth generation.
	Gear Shaving & Shaping	Red Ring / Lorenz	Superior surface finish and profile correction.
	Vertical Broaching	Protel	High-efficiency internal spline cutting.
	Chamfering & Rounding	Automated Tooth Finishing	Improved gear engagement and increased fatigue life.
Grinding & Finishing	CNC Bore & Cylindrical Grinding	Angular Wheelhead Tech	Achieving sub-micron finishes on shafts and bores.
	Double Disc Lapping	High-Parallelism Tech	Essential for flat-face sealing surfaces.
	Surface Grinding & Vibratory Deburring	Controlled Media Finishing	Consistent edge preparation and aesthetic finishing.
Metrology & Quality Labs	CNC Scanning CMM	Zeiss	High-speed scanning for complex 3D geometry validation.
	Surface Roughness Tester	Zeiss (Nanometer Resolution)	Verification of friction surfaces and bearing seats.
	CNC Tool Pre-setter	Zoller	Zero-offset errors and maximized uptime.
	Gear Profile & PCD Testing	Osaka / Roll Testers	Full gear geometry validation.
Ancillary & Engineering	CAD/CAM Design	SolidWorks Station	DFM support and rapid prototyping.
	Surface Treatment	Painting Systems	Ready-to-install finished components.
	Cleaning	Component Washing	Cleanroom-ready parts.

Standards & Certifications

Pentagon Machines operates under an ISO 9001:2015 certified quality management system, supported by structured processes for planning, execution, inspection, and continuous improvement. The organisation is prepared to meet OEM requirements for PPAP, APQP, traceability, calibration, and structured quality documentation.

9001:2015 (certified),14001:2015 (in progress), 45001:2018 (in progress), reflecting the company’s ongoing commitment to responsible environmental practices and safe, well-managed operations.

Environmental, Social & Governance (ESG)

We set benchmarks that exceed statutory requirements through a culture of integrity and continuous improvement. This is demonstrated by our commitment to:

Employee Welfare

We provide comprehensive medical insurance for our entire workforce, exceeding legal mandates to ensure the security of our skilled team.

Industrial Responsibility

We ensure the safe and ethical disposal of all industrial waste, maintaining clean-room standards across our 43,200 sq. ft. facilities.

Resource Efficiency

We prioritise energy-efficient manufacturing processes and utilise recyclable packaging—including customer-branded cartons and reusable wooden crates—to minimise our environmental footprint.

Legacy of Integrity

Guided by a 65-year family heritage, we shape the future of precision manufacturing with transparency and long-term purpose.