Fuel Instruments & Engineers Pvt. Ltd.
 
 
 
 
   
 
 

Rockwell Hardness Testing Machines

 
 

Hardness Testing Machines Series - RASN (For Rockwell, Rockwell Superficial & Brinell Testing)

 
   
Principal :
   
Rockwell & Rockwell Superficial tests consists of forcing an indentor (Diamond or Ball) into the surface of a test piece in two steps i.e. first with preliminary test force and thereafter with additional test force and then measuring depth of indentation after removal of additional test force (Remaining preliminary test force active) for measurement of hardness value.
Brinell test consists of forcing a hardened ball into surface of a test piece with a specified test-force and measuring the diameter of indentation for evaluation of Brinell hardness number.
   
Operation :
 
For Rockwell & Rockwell Superficial Test :
In case of 'RASN' series machines for Rockwell & Rockwell superficial tests a preliminary test force in first applied and then indicator is automatically set for zero. Quickly thereafter an additional test force is applied without removing the preliminary test force. When the penetration is stabilised, the additional test force is removed and the hardness number is shown directly on the indicator.
   
For Brinell Test :
 
The operation is exactly same as above. However, the diameter of impression is measured outside of machine by Brinell microscope. Brinell hardness number is found out by referring corresponding hardness tables showing hardness number against dia. of indentation for specified ball diameter and test force.
   
       
 
Motorised Rockwell System Hardness Tester Model : RASN ( M )
Rockwell System Hardness Tester Model : RASN
 
Rockwell Hardness Testing Machines
Rockwell Hardness Testing Machines
 
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Motorised Rockwell System Hardness Tester

Rockwell System Hardness Tester

Model : RASN ( M )
 
Model : RASN
     
Suitable for Rockwell Tests.
Suitable for Rockwell Tests.
Motorised for automatic Operation cycle i.e. load/dwell/unload.
Manually Operated
Preliminary Test Force - 98.07N (10kgf)
Preliminary Test Force - 98.07 N (10kgf)
Additional Test Force - 490.3, 882.6, 1373N (50, 90, 140 kgf)
Additional Test Force - 490.3, 882.6,  1373N (50.90, 140 kgf)
Total Test Force - 588.4, 980.7, 1471N   (60,100,150 kgf)
Total Test Force - 588.4, 980.7, 1471N   (60,100,150 kgf)
Test Force Selection by external dialing
Test Force Selection by external dialing
Auto zero setting dial gauge.
Auto zero setting dial gauge.
       
       
   
Rockwell cum Brinell Tester, Model RASN (B)
       
   
Same as RASN above in additional
   
Additional Test Force - 1471, 2354N  (177.5, 240 kgf) 
   
Total Test Force - 1839, 2452N (187.5,    250 kgf)
       
 
Rockwell Cum Rockwell Superficial Hardness Tester Model : RASN ( T )
MOTORISED DIGITAL HARDNESS TESTER MODEL:RASN (E)
 
 
 
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Rockwell Cum Rockwell Superficial Hardness Tester 
 
Motorised Digital Hardness Tester 
 
Model : RASN ( T )
 
Model : RASN ( E )
Suitable for Rockwell & Rockwell Superficial Tests.
Digital Hardness Tester for Rockwell Tests, motorised for automatic operation cycle i.e. load/dwell/unload.
Manually Operated
Preliminary Test Force - 98.07N (10kgf)
Preliminary Test Force - 29.42, 98.07N   (3,10kgf)
Total Test Force - 588.4, 980.7, 1471N   (60,100,150 kgf)
Additional Test Force - 177.7, 264.8, 411.9, 490.3, 882.6, 1373N ( 12, 27, 42, 50, 90 & 140 kgf)
Test Force Selection by external dialing
Total Test Force - 147.1, 294.2, 441.3, 588.4, 980.7, 1471N (15, 30, 45, 60,100,150 kgf)
Set position with LED bar indicator for easy operation.
Test Force Selection by external dialing
Keyboard entry through reliable membrane switches for scale/GO-NOGO/Dwell time selection.
Auto zero setting dial gauge.
Large size scale display for easy reading with 0.1 Rockwell Resolution.
Parallel output for connecting dot matrix printer to get results indicating serial number of tests, hardness scale, hardness value and high / good / low  indication.
 
   
   
'FIE' new 'RASN' series of Hardness Testing Machines come with much improved design and look with following major design changes.
   
The machine body is having a taper front look and a big size dial gauge in the front. The machine is powder coated for far better look. The paint shade do not fade and machine looks like new over year.
The elevating screw of machine is guided in a hardened and ground bush, not allowing movement of elevating screw more than 0.05 mm when raised to full height. The accessory is returned for years together due to hardened bush. 
A hardened and ground stepped bush is fixed on top of main screw for location and rest surface. This guarantees no change in results due to rough handling of test table or test piece. It means a trouble free long life machine accuracy.
An antifriction linear bearing with almost no clearance is provided for a perfect vertical movement of loading plunger with minimum friction. This enable testing of small dia. pin or ball upto 3 mm dia.
All machine models are provided with automatic zero setting dial gauge or digital readout. Hence zero setting at every test is avoided.
All four models confirm to respective standard as under.
 
• IS : 3804, BS 10109-2 & ASTM E-18 for Rockwell Test.
 
• IS : 5073, BS 10189-2 & ASTM E-18 for Rockwell Superficial Test.
 
• IS : 2281, BS 10003-2 & ASTM E-10 for Brinell Test.
 


 
  Model
 RASN
 RASN (B)
 RASN (T)
 RASN (M)
 RASN (E)
 Testing Table 50mm dia.
 1
 1
 1
 1
 1
 Testing Table 38mm dia. with  'V' groove for round jobs 6-45 mm dia.
 1
 1
 1
 1
 1
 Diamond indentor - Rockwell
 1
 1
 1
 1
 1
 Steel Ball Indentor 1/16" with 5 spare  balls
 1
 1
 1
 1
 1
 Steel Ball Indentor 2.5 mm with 5  spare balls
 -
 1
 -
 -
 -
 Test Block Rockwell 'C'
 1
 1
 1
 1
 1
 Test Block Rockwell 'B'
 1
 1 
 1
 1
 -
 Test Block HB 2.5 / 187.5
 -
 1
 -
 -
 -
 Test Block HR 30 N
 -
 -
 1
 -
 -
 Allen Spanners
 5
 5
 5 
 5
 5
 Screw Drivers
 1
 1
 1
 1
 1
 Clamping Device
 1
 1 
 1
 1
 1 
 Dash Pot Oil 
 1 Bottle
 1 Bottle
 1 Bottle
 - 
 -
 Wooden Box for Std. Accessories
 1
 1
 1
 1 
 1
 Telescopic Sleeves for Elevating screw protection
 1 Set
 1 Set
 1 Set
 1 Set
 1 Set
 Spare Fuse 1 Amp.
 - 
 -
 -
 1
 1
 Power Cable
 -
 -
 - 
 1 
 1
 Brinell Microscope
 -
 1
 -
 - 
 - 
 Machine Cover
 1
 1
 1
 1
 1
 Instruction Manual
 1
 1
 1
 1
 1
 
Technical Data :
 
 Model
Unit
 RASN
 RASN (B)
 RASN (T)
 RASN (M)
 RASN (E)
 Major Load
 N
 (kgf)
 588.4, 980.7,  1471
 (60, 100, 150)
 588.4, 980.7,  1471, 1839,  2452  (60, 100, 150, 187.5, 250)
 147.1, 294.2,  441.3, 588.4,  980.7, 1471  (15, 30, 45, 60, 100, 150)
 588.4, 980.7,  1471
 (60, 100, 150)
 588.4,980.7, 
 1471  (60, 100, 150)
 Minor Load
 N  (kgf)
 98.07  10
 98.07  (10)
 29.42, 98.07  (3, 10)
 98.07  (10)
 98.7  (10)
 Max. Test  Height 
 mm
 222
 230
 230
 230
 230
 Depth of  Throat
 mm 
 130
 133
 133
 133
 133
 Net wt.  Approx.
 kg.
 65
 70
 62
 67
 67
 Machine  Dimension  (Approx.)
 mm
 L-450, W-265, H-627
 L-450, W-265, H-627
 L-450, W-265, H-627
 L-450, W-180, H-627
 L-450, W-265, H-627
 
 
 
Optional Accessories :
 
Steel Ball Indentor 1/8", 1/4", 1/2"
Testing Table 200mm dia.
Testing Table 70mm dia. with 'V' groove for round jobs 10 to 80mm dia.
Vari-rest to support odd shaped jobs.
Jominy test fixture for end quench test.
Gooseneck Adopter No.1
Special Diamond Indentor suitable for Gooseneck Adopter No.1
Short nib diamond indentor suitable for Gooseneck Adopter No. 1
Gooseneck Adopter No. 2
Special Diamond Indentor suitable for Gooseneck Adopter No.2
Gooseneck Adopter No. 3
Raised centre testing table 15mm dia.
Diamond spot anvil.
Cylindron anvil for testing big jobs above 20mm dia.
Eyeball anvil with 25.4mm dia or 38mm dia. ball
Gooseneck anvil for pipes 5 to 25mm ID with 5mm step inserts
Jack rest for long and heavy jobs.
 
 
 
 
 
 
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