Bus Seat Frame Welding
Dedicated manufacturing cells for 3-passenger and 2-passenger bus seat tubular frames, cross-members, reclining mechanisms, and high-strength floor anchorage brackets.
Automotive Tier-1 Manufacturing Partner · Hosur SIPCOT
PRECISION WELDED.
BUILT TO PERFORM.
Sri Balaji Gears delivers mission-critical automotive fabrication, high-volume bus seat frame welding, and robotic chassis assemblies for global Tier-1 OEMs. Built with deep metallurgical discipline and continuous quality assurance since 1999.
Bus Seat Welding
Dedicated High-Volume Lines
Auto Frame Welding
Chassis & Subframe Fabrication
70,000 Sq. Ft. Facility
SIPCOT Phase I industrial hub
400+ Personnel
Dedicated production workforce
1999
Year Founded
400+
Skilled Employees
70,000 SQ.FT.
Land Area
50,000 SQ.FT.
Built-up Shopfloor
Engineering Strengths
WELDING IS OUR
WORKING STRENGTH.
Combining skilled manual MIG/TIG craftsmanship with robotic welding automation, Sri Balaji Gears manufactures structural welded assemblies engineered for automotive load endurance and safety compliance.
Auto Body Frame Welding
Robotic and fixture-controlled welding of automotive two-wheeler and four-wheeler chassis subframes, engine cradle brackets, and reinforced tubular structures.
Pressing & Heavy Stamping
Mechanical and hydraulic press fleet ranging from 50T to 250T for blanking, piercing, progressive forming, and deep drawing of automotive sheet metal brackets.
Featured Assembly · Seating Systems
BUS SEAT FRAMES
WELDED FOR STRENGTH.
Engineered for high-volume commercial vehicle passenger comfort and crash-worthiness. Our 3-seat bus seating frames are manufactured using precision tubular bending, dedicated pneumatic fixtures, and certified continuous weld beads.
- ERW Precision Steel Tubes: High yield strength, uniform wall thickness, zero ovality distortion.
- Robust Floor Anchor Plates: Heavy-gauge mounting brackets designed for dynamic passenger shear loads.
- Multi-point Welded Joints: Full penetration fillet welds tested for vibration fatigue and peel strength.
- Anti-Corrosion Surface Finish: 7-tank pre-treatment and durable thermoset powder coating.
Welding Methods & Capacity
PEOPLE. PROCESS.
PRECISION.
We deploy a balanced production model: automated robotic welding stations for repeatable high-speed weld paths, alongside skilled master welders for complex structural joints.
SKILLED MANUAL FABRICATION
Certified Manual MIG & TIG Welding
Highly trained operators handling intricate gussets, multi-position joints, and quick-turnaround custom fixtures. Each operator undergoes periodic weld test certification.
AWS D1.1 / D1.3 Compliant
Multi-Angle Fixtures
100% Visual Inspection
AUTOMATED ROBOTIC WELD CELL
Robotic Welding Automation
6-axis robotic welding cells delivering consistent weld penetration, clean spatter-free aesthetics, and minimized cycle times for high-volume automotive OEM supply lines.
Sub-millimeter Repeatability
Zero Weld Spatter
Continuous Wire Feed
Note: Technical visuals illustrate welding methodologies and automation principles utilized in automotive fabrication.
Enterprise Footprint
BUILT ON EXPERIENCE.
READY FOR SCALE.
Established in 1999, Sri Balaji Gears has expanded into a 400-employee strong automotive fabrication unit across 70,000 sq. ft. of prime industrial land in SIPCOT Hosur.
1999
Established Year
Over 25 years of OEM manufacturing
400+
Skilled Workforce
Engineers, technicians & operators
70,000
Sq. Ft. Land Area
Integrated SIPCOT Phase I campus
50,000
Sq. Ft. Built-up Area
Covered press, weld & assembly bays
Customer Relationships
PARTNERING WITH
INDUSTRY LEADERS.
We take pride in our long-standing supply partnerships with major automotive manufacturers and Tier-1 seating systems innovators.
PRIMARY OEM PARTNER
UNO MINDA
BUS SEAT WELDING · HIGH-VOLUME DEDICATED LINES
Dedicated high-volume bus seat frame assembly lines supplying passenger seating systems with rigorous fit-up tolerances and dynamic structural integrity.
AUTOMOTIVE FRAME PARTNER
TVS MOTOR
AUTO BODY FRAME PARTS · DEDICATED PRODUCTION CELLS
Automotive chassis tubular frames, reinforcement gussets, and welded sub-assemblies produced under strict scheduled line-side replenishment standards.
Customer names are referenced in accordance with company profile records. Confirm brand permissions before commercial publication.
OEM Technical Inquiries
FREQUENTLY ASKED
ENGINEERING QUESTIONS.
Key information for automotive procurement teams, sourcing managers, and quality auditors.
For standard 2D drawings or 3D STEP/IGES models, our engineering team provides complete manufacturability feasibility and cost estimation within 24 to 48 hours. Custom fixture design and prototype samples can typically be fabricated in 10 to 14 days.
Our manual and robotic welding cells align with AWS D1.1 (Structural Steel) and AWS D1.3 (Sheet Steel). Welders undergo bi-annual performance qualification, and we maintain macro-etch penetration test records, weld throat verification, and destructive shear test logs for all OEM batches.
Yes. With a 400+ skilled workforce and dedicated multi-bay welding lines across our 50,000 sq. ft. built-up facility, we maintain substantial dedicated capacity for major Tier-1 OEM partners with flexible multi-shift scalability.
We are located in SIPCOT Industrial Complex Phase I, Hosur, Tamil Nadu. Situated along the major automotive corridor adjoining Bengaluru and Chennai, we maintain daily Kanban line-side dispatches with Direct-on-Line (DOL) capability.