Digital Rockwell Hardness Tester - Digital Rockwell Hardness Tester Exporter, Manufacturer, Distributor, Supplier, Trading Company, Ichalkaranji, India

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Product Code : AI-RASN (E)

Product Specification

Digital Rockwell Hardness Tester

Principle
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 the depth of indentation after removal of additional test force (Remaining preliminary test force active) for measurement of Hardness Valve.

Brinell test consist of forcing a hardnered ball into surface of 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 or Rockwell Superficial tests, a preliminary test force is first applied without removing zero. Quickly thereafter an additional test force is applied without removing the preliminary test force. When the penetration is stabilized, 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 out side of machine by Brinell microscope. Brinell hardness number is found out by refering corresponding hardness tables showing hardness number against dia. of indentation for specified ball diameter and test force.

Model RASN (E)

Digital Hardness Tester for Rockwell Tests
Motorized for automatic operation cycle i.e. load /unload
Preliminary Test Force - 98.07N (10kgf)
Additional Test Force - 490.3, 882.6, 1373 N (50,90, 140 kgf)
Total Test Force - 588.4, 980.7, 1471N (60, 100, 150 kgf)
Test force selection by external dialing
Set position with LED bar indicator for easy operation
Key board entry through reliable membrane switches for scale / GO-NOGO/dwell time selection
Large size scale display for easy reading with 0.1 Rockwell resolution.
Parallel output for connecting dot matrix printer to get results indication serial number of tests, hardness scale, hardness value and high/good/low indications.

'Adinath' new 'RASN' series of Hardness Testing Machines come with much improved design and look with following major design changes.

1) 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 look likes new over year.
2) The elevating screw of machine is guided in a hardened and ground bush, not allowing movement of elevating screw more than 0.05mm when raised to full height. The accuracy is retained for years together due to haerdened bush.
3) A hardened and ground stepped bush is fixed on top of main screw for location and test surface. This guarantees no change in results due to rough handling of test table or test piece. It means trouble free long life machine accuracy.
4) An antifrication linear bearing with almost no clearance is provided for a perfect vertical movement of loading plunger with minimum friction. This enables testing of small dia. pin or ball upto 3 mm dia.
5) All machine modes are provided with automatic zero setting dial gauge or digital readout. Hence zero setting at every test is avoided
6) All four models confirm to respective standard as under:
IS: 3804, BS 10109-2&ASTME-18 for Rockwell Test.
IS: 5073, BS 10189-2&ASTME-18 for Rockwell Superficial Test.
IS: 2281, BS 10003-2&ASTME-10 for Brinell Test.

Standrad Accessories for Model AI-RASN(E)

Standard Accessories	Model AI-RASN(E)
Testing Table 50mm dia.	01 No
Testing Table 38 mm dia. with 'V' groove for round jobs 6-45mm dia.	01 No
Diamond Indentor- Rocwell	01 No
Steel Ball Indentor1/16"with 5 spare balls	01 No
Test Block Rockwell 'C'	01 No
Test Block Rockwell 'B'	01 No
Allen Spares	05 Nos
Screw Driver	01 No
Clamping Device	01 No
Wooden Box for Std. Accessories	01 No
Rubber Bellow for Elavating screw protection	01 No
Spare Fuse 1 Amp	01 No
Power Cable	01 No.
Machine Cover	01 No
Instruction Manual	01 No

Standard Accessories For Machine

Technical Data

Model	Unit	AI-RASN(E)
Major Load	N	588.4,4,980,7,1471
Major Load	Kgf	(60,100,150)
Minor Load	N	98.7
Minor Load	Kgf	10
Max Test Height	mm	230
Depth of Throat	mm	133
Net Weight Approx	Kg	73
Machine Dimensions	mm	L-565 W-180 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.
Van-Rest to support odd shaped jobs.
Jominy text fixture for end quench test
Gooseneck adapter No.1
Special Diamond Cylinder anvil for testing big jobs above 20mm dia.
Everyball anvil with 25.4 via or 38 mm dia. ball
Gooseneck anvil for pipes 5 to 25mm ID with 5mm step inserts.
Jack rest for long and heavy jobs
Dot Matrix Printer for model RASN (E)

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