Addresses
Factory Address
K-13, New # 64, 8Th Street, Ambattur Industrial Estate, Chennai -600 058.
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Service Overview

Grinding and finishing are essential secondary operations that enhance the dimensional precision, surface smoothness, and final appearance of machined or forged components. At R.K. Industries, our grinding and finishing services play a vital role in preparing parts for critical applications — where tolerances are tight, and surface integrity is non-negotiable. From centerless and cylindrical grinding to thread rolling and gear hobbing, we ensure your parts meet functional and visual performance standards with absolute consistency.

Our Capabilities

We offer a broad set of finishing solutions using a combination of mechanical and precision equipment. Our capabilities include:

Centerless Grinding (3 Machines) – Ideal for high-volume, high-accuracy outer diameter finishing
Cylindrical Grinding (Manual & CNC) – For concentricity, taper correction, and fine tolerances
Surface Grinding – Achieves flatness and uniformity on contact faces
Thread Rolling – High-speed, non-cutting method for durable, precise threads (added in 2023)
Gear Hobbing & Broaching – Precise gear profiles and keyway cutting
Deburring & Edge Conditioning – Manual or machine-assisted finishing of rough edges
Post-Forging Cleanup – Integrated with shot blasting or bead blasting as required

This ensures that your parts are not only dimensionally accurate but also application-ready with the required surface finish.

Process Flow

01

Component Assessment

Evaluate material, tolerances, and surface requirements

02

Machine & Method Selection

Assign process (OD, ID, flat surface, thread rolling, etc.)

03

Precision Grinding

Run through centerless, cylindrical, or surface grinders based on geometry

04

Secondary Operations

Add gear profiles, threads, or keyways as per drawing

05

Deburring & Polishing

Manual clean-up of edges and surfaces if required

06

Inspection & Approval

Perform dimensional and surface roughness tests before moving to the next stage

Applications / Industries Served

Our grinding and finishing services are applied to parts that require strict tolerance control, high surface smoothness, and geometric consistency.

  • Typical Components: Shafts, collars, bushings, threaded inserts, gear hubs, keywayed sleeves
  • Industries Served:
    • Automotive (Transmission Shafts, Mounts, Fasteners)
    • Machinery & Tooling (Precision Spacers, Keys)
    • Agricultural & Power Equipment (Hubs, Rings, Gear Blanks)

These services are crucial in ensuring part compatibility, smooth assembly, and optimal function in dynamic systems.

Quality & Inspection

Grinding and finishing are validated through a combination of surface, dimensional, and visual inspections. We ensure:

Roundness & Profile Validation: Zeiss Contour and Rondcom systems
Surface Roughness Checks using advanced testers
Bore & Diameter Inspection: Using bore gauges, slip gauges, and 2D height gauges
Visual Deburring Audit: Ensuring clean, burr-free surfaces before shipment
Post-Grinding Dimensional Reconfirmation: On critical features
Compliance with ISO/IATF standards for finishing processes

With in-line checks and final-stage validations, our finishing services assure that every part is ready for direct assembly or delivery.

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