At Rajhans Corporation, every project is an opportunity to deliver more than just components—we deliver performance, efficiency, and trust. Below are some real-world case studies that showcase our capability in product development, cost reduction, and technical problem-solving for global clients.
Industry: Construction Equipment – USA
Challenge:
Converted from billet machining to investment casting
Redesigned geometry to reduce machining by 38%
Optimized wall thickness
Result:
28% cost reduction
40% reduction in machining time
Lead time reduced by 2 weeks
Industry: Agriculture Equipment – Europe
Challenge:
Multiple bore alignments and GD&T within 25 microns
Solution:
Used 3-axis and 4-axis CNCs
Custom machining fixtures
100% CMM inspection for pilot lot
Result:
100% PPAP approval on first submission
Zero rejections over 10,000+ pcs
Industry: Oil & Gas – Middle East
Challenge:
No drawing or CAD available
Damaged sample provided
Solution:
3D scanning and CAD modeling
Spectro material analysis
Pattern development and sample delivery in 3 weeks
Result:
Fitment approved
Lead time saved: 10–12 weeks
Industry: Electric Vehicle – Germany
Challenge: Weight reduction of 20% required on cast iron part
Solution:
Redesigned in Aluminum LM6 with FEA validation
Gravity die casting and ribbed structure
Result:
26% weight reduction
Passed fatigue & vibration tests
Industry: Thermal Equipment – India
Challenge: Operation at 750°C with high-speed performance
Solution:
Used HK40 steel and solution annealing
4-axis machining and dynamic balancing
Result:
Service life doubled
Complied with ISO G6.3 tolerance
Industry: Automation & Robotics – South Korea
Challenge: Internal helical groove with ±10 micron bore tolerance
Solution:
Live tooling with CBN inserts
Custom coolant enclosure for thermal stability
Result:
Ra < 0.4 µm finish
Annual order for 50,000 pcs secured
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