Welcome to Sahil CNC Machines — India’s trusted OEM for high-precision CNC Turning, Milling, Boring, and Vertical Turning solutions. Since 1965, Sahil Machines has delivered industrial-grade CNC machines designed for the most demanding manufacturing environments. With a focus on indigenous design, in-house foundry support, and ISO-compliant quality control, Sahil Machines is a name synonymous with precision and reliability.
In this video, we showcase the CNC VTL 1500 from our Suraj Series, undergoing a 10-micron Z-Axis perpendicularity accuracy test. This demonstration highlights our rigorous in-house testing standards to ensure every machine complies with Indian Standard (IS) parameters for straightness, perpendicularity, and repeatability.
Test Overview – CNC VTL 1500 Z-Axis Accuracy & Perpendicularity
• Z-Axis Perpendicularity: Achieved within 10 microns (0.010 mm)
• Reference Standard: As per ISO 230-2 and Indian Standard IS 2062
• Inspection Tooling: Dial gauge, square master, granite base, and calibration fixtures
• Measuring Method: Tool turret movement measured against flat reference over entire Z travel
• Repeatability Check: Backlash compensation and thermal drift minimized during testing
Why Z-Axis Accuracy Matters in CNC VTLs
• Flat Surface Finishing – Ensures perpendicularity between tool path and job surface
• Flange and Face Machining – Maintains tolerances across diameter and axial height
• Tool Life and Consistency – Reduced tool deflection and better wear distribution
Machine Overview – CNC VTL 1500 (Suraj Series)
• Max Swing Diameter: 1600 mm
• Max Turning Diameter: 1500 mm
• Spindle Power: 37 kW high-torque motor
• Bed & Column: FG-300 grade castings with stress-relieved and FEA-validated structure
• Tool Turret: 8/12-position vertical turret with optional live tooling
• CNC Control: Siemens 828D or Fanuc 0i TF
• X/Z Axis Drive: Servo motor with LM/box guideways for rigid movement
• Workholding: Hydraulic chuck (optional 4-jaw independent/manual options)
• Coolant System: Integrated high-flow coolant with optional through-tool cooling
• Accuracy Standards: ISO 230-2, IS 2062, VDI 3441
Key Features of CNC VTL 1500
• High-Precision Turning – Engineered for micron-level contouring and flatness
• Heavy-Duty Build – Massive structure ensures vibration-free operation even under full load
• Flexible Tooling – Supports boring bars, drills, OD/ID tools, and live tools
• Process Reliability – Tested across thermal cycles and under continuous load
• Multi-Industry Compatibility – Aerospace, hydro turbines, power plants, railways, shipbuilding
Applications – Where CNC VTL 1500 Delivers Value
• Aerospace and Defense – Machining large rings, casings, propulsion system parts
• Power Generation – Turbine hubs, stator covers, flange rings
• Oil and Gas – Valve seats, pump casings, flanges, adaptors
• Heavy Engineering – Crusher parts, bearing housings, machine bases
Why Choose Sahil Machines
• OEM Manufacturer Since 1965 – Proven supplier to BHEL, BEML, HAL, ONGC, DRDO, Indian Railways
• In-House Foundry – FG-300 castings made internally for machine beds, turrets, columns
• Full IS and ISO Compliance – From casting to assembly, all processes are standards-driven
• Atmanirbhar Bharat Certified – Proudly made in India with global benchmarks
• Quality Control – Accuracy charts, runout reports, test cycles included in every dispatch
Explore More Sahil VTL Solutions
• VTL Product Overview: https://www.sahilcnc.com/turning-mach...
• CNC VTL 1500 Product Page: https://www.sahilcnc.com/turning-mach...
• WhatsApp Enquiry: https://wa.me/918427641925
• Website: https://www.sahilcnc.com
• Email: [email protected]
• YouTube Channel: / @sahilcncmachines
Sahil Machines is an industry-leading Indian OEM that integrates precision casting, machine design, CNC engineering, and after-sales support into one unified workflow. All Sahil machines are IS-compliant and designed to deliver long-term performance in real-world industrial conditions. With CNC VTLs like the VTL 1500, Sahil proves that world-class precision and structural performance can be achieved from within India — strengthening Make in India and industrial self-reliance.
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