Made in India
RASNT-TSFA
Fully Automatic Touch Screen Rockwell cum Superficial Hardness Tester
RASNT-TSFA
Fully automatic twin-range tester: regular Rockwell and superficial N/T scales with automatic test-force selection from the touch screen, motorised cycle and 0.1 Rockwell / 0.1 Superficial resolution. Thermal printer, USB CSV export and PC software included.
The RASNT-TSFA is the fully automatic twin-range Rockwell tester from Eklavya Techno Solutions, Ichalkaranji, India. It combines the regular Rockwell scales A to K, using 60, 100 and 150 kgf loads with a 10 kgf minor load, and the superficial 15N, 30N, 45N, 15T, 30T and 45T scales, using 15, 30 and 45 kgf loads with a 3 kgf minor load, in a machine that selects the test force automatically once the scale is chosen on the touch screen. A progress bar shows the set position, the load, dwell and unload cycle runs by motor, and the result appears to 0.1 Rockwell or 0.1 superficial units with a judgement against the entered limits.
With fifteen scales in play, automatic force selection removes the risk of testing with the wrong load when a line switches from HRC checks on through-hardened parts to HR 30 N checks on case-hardened gears or thin strip. Results are stored with date and time, printed on the built-in thermal printer or exported as CSV over USB. The machine has 295 mm test height and 148 mm throat depth, complies with IS 1586 (Part 2), ASTM E18 and ISO 6508-2, and ships with RA and SF diamond indenters, a 1/16 inch ball and Rockwell C, Rockwell B and HR 30 N test blocks.
Major load (total test force): 147.1, 294.2, 441.3, 588.4, 980.7, 1471 N (15, 30, 45, 60, 100, 150 kgf)
IS 1586 (Part 2) – Rockwell hardness test – verification and calibration of testing machines
ASTM E18 – Standard test methods for Rockwell hardness of metallic materials
ISO 6508-2 – Metallic materials – Rockwell hardness test – verification and calibration of testing machines and indenters
IS 1586 (Part 2) – Rockwell hardness test – verification and calibration of testing machines
ASTM E18 – Standard test methods for Rockwell hardness of metallic materials
ISO 6508-2 – Metallic materials – Rockwell hardness test – verification and calibration of testing machines and indenters
TSFA series (fully automatic touch screen): models compared side by side, current model highlighted.
| Parameter | RASN-TSFA | RASNT-TSFA | RASNB-TSFA |
|---|---|---|---|
| Type | Fully automatic touch-screen Rockwell | Fully automatic touch-screen Rockwell cum Superficial | Fully automatic touch-screen Rockwell cum Brinell |
| Major load (total test force) | 588.4, 980.7, 1471 N (60, 100, 150 kgf) | 147.1, 294.2, 441.3, 588.4, 980.7, 1471 N (15, 30, 45, 60, 100, 150 kgf) | 588.4, 980.7, 1471, 1839, 2452 N (60, 100, 150, 187.5, 250 kgf) |
| Minor load (preliminary force) | 98.07 N (10 kgf) | 29.42, 98.07 N (3, 10 kgf) | 98.07 N (10 kgf) |
| Scales | HRA, HRB, HRC, HRD, HRE, HRF, HRG, HRH, HRK | Rockwell A to K; Superficial 15N, 30N, 45N, 15T, 30T, 45T | Rockwell A to K; Brinell HBW 2.5/187.5, 2.5/250 |
| Resolution | 0.1 Rockwell | 0.1 Rockwell / 0.1 Rockwell Superficial | 0.1 Rockwell |
| Display | Capacitive touch screen with progress bar | Capacitive touch screen with progress bar | Capacitive touch screen with progress bar |
| Loading cycle | Automatic load / dwell / unload | Automatic load / dwell / unload | Automatic load / dwell / unload |
| Test force selection | Automatic | Automatic | Automatic |
| Output | Built-in thermal printer, USB (CSV), PC software | Built-in thermal printer, USB (CSV), PC software | Built-in thermal printer, USB (CSV), PC software |
| Max. test height | 295 mm | 295 mm | 295 mm |
| Depth of throat | 148 mm | 148 mm | 148 mm |
| Net weight (approx.) | 80 kg | 85 kg | 85 kg |
| Machine dimensions (L × W × H) | L-650 × W-250 × H-700 mm | L-650 × W-250 × H-700 mm | L-650 × W-250 × H-700 mm |
| Power supply | 230 V AC, 50 Hz, 1 phase (1 A fuse) | 230 V AC, 50 Hz, 1 phase (1 A fuse) | 230 V AC, 50 Hz, 1 phase (1 A fuse) |
| Standard tables | 50 mm dia flat table; 38 mm dia table with V-groove for 6–45 mm round jobs | 50 mm dia flat table; 38 mm dia table with V-groove for 6–45 mm round jobs | 50 mm dia flat table; 38 mm dia table with V-groove for 6–45 mm round jobs |
| Indenters supplied | Diamond indenter Rockwell RA; 1/16" ball indenter | Diamond indenters Rockwell RA and Rockwell SF; 1/16" ball | Diamond indenter Rockwell RA; 1/16" ball; 2.5 mm ball |
| Test blocks supplied | Rockwell C and Rockwell B test blocks | Rockwell C, Rockwell B and HR 30 N test blocks | Rockwell C, Rockwell B and HBW 2.5/187.5 test blocks |
| Optional | 5 mm step inserts; jack rest for long and heavy jobs; PC software | 5 mm step inserts; jack rest for long and heavy jobs; PC software | 5 mm step inserts; jack rest for long and heavy jobs; PC software |
| Brinell testing | — | — | Brinell 187.5 / 250 kgf selected manually with the matching ball indenter; impression diameter measured with the supplied Brinell microscope (no Brinell scale on the display) |
Because twin-range work involves switching between six superficial and nine regular scales, each with its own load, and a wrong load is the commonest cause of a bad reading. On the RASNT-TSFA the operator selects the scale on the touch screen and the machine sets 15, 30, 45, 60, 100 or 150 kgf itself, so an HR 30 N check on a case-hardened gear cannot be run at 150 kgf by mistake.
Carburised, induction-hardened and nitrided gears, shafts and pins, thin sheet and strip, springs, small fasteners and plated components. The light superficial loads with the 3 kgf minor load keep the impression within the hard case or the thin section; the N scales use the diamond SF indenter and the T scales the 1/16 inch ball, both supplied.
All three are motorised twin-range testers. The RSNE-Twin uses a keypad and a thermal printer; the RSNE-Twin-T uses a touch screen with USB export; on both the major load is selected by hand. The RASNT-TSFA selects the test force automatically from the touch screen and has both the thermal printer and USB CSV export.
Readings to 0.1 Rockwell on the regular scales and 0.1 superficial Rockwell on the N and T scales, judged against higher and lower limits set on the screen. Each result is stored with date, time, value and scale and can be printed on the built-in thermal printer, exported as CSV over USB or managed in the ETS PC software.
The machine is built and verified to IS 1586 (Part 2), ASTM E18 and ISO 6508-2, which cover regular and superficial Rockwell testing. Certified Rockwell C, Rockwell B and HR 30 N test blocks are supplied for verification at installation and routine checks, and ETS offers calibration with traceable certificates across India.