Heattreated steels are tested using a 120 diamond indentor in the cscale hrc 2070. It differs only in diameter and material of the indentor and the applied force. Diamond rockwell indenter hrc3 for hardness tester diamond indenter 120 degree for rockwell hardness tester. Greenslade hardness testers accurately measure hardness of materials in rockwell hardness a, b, and c scales. Rockwell hardness tester model hr150a won the silver medal of the state superior product for three consecutive sessions. This video gives a quick walk through of running a hardness test on a basic rockwell hardness tester. Hardness tester hardness testing machine united testing. Rockwell hardness tester presents direct reading of hardness number on a dial provided with the mc. Astm e18, standard test methods for rockwell hardness and rockwell superficial hardness of metallic materials. A letter has been assigned for every possible combination of load and penetrator, as given in table 1. Conforming to astm e18 rockwell hardness standards, the 900331 tester will offer unmatched repeatability in all standard rockwell hardness scales table shown below. Indentron newage hardness testers rockwell testers.
Manual download newage hardness testers rockwell testers. Scale, indenter, testing pressure and applicable range for rockwell hardness test. Rockwell hardness tester, dial type read more lengthcheck electronic fastener length gage read more minor diameter gage minorchek operating procedures read more. Operators manual portable rockwell hardness testers. Rockwell hardness testers are mostly applied in the metalprocessing enterprises. Operating procedures read more torsional strength tester model stf250 read more recess torsional strength tester model stf87114 read more 12 inch bench model. Phase ii hardness testers are renowned for their precision and cutting edge design. Select the proper indenterpenetrator and insert it into the plunger rod receiver. More information on the principles of rockwell hardness testing can be found at our page dedicated to educating customers about hardness testing.
Instruction manual 1 time certificate 1 warranty card 1 optional accessories. The superficial rockwell hardness tester has different test force of 3kgf initial test force and total force 15kgf, 30kgf. The rockwell hardness test method, as defined in astm e18, is the most commonly used hardness test method. Thx210 portable hardness tester rockwell brinell vickers cimetrix. Take your time to read this instruction manual thoroughly. Hardened steel and hard alloys are tested in the rockwell c scale, using a diamond penetrator and a 150 kg major load. Hardened steel and hard alloys are tested in the rockwell c scale, using a diamond penetrator and a 150 kg. After 100 years, its still the best metal strength test method. Carefully read the operation manual before you use the hardness tester and get to know thoroughly the operation procedure and the usage precautions so as to avoid the damages to the hardness tester and the safety accidents caused by the improper operation. For testing cylindrical test specimen, use vtype platform. The indenter is forced into the test material under a preliminary minor load f0 fig. Everyone in the steel industry recognizes the rockwell hardness scale.
This machine is offered in two sizes ranging from 10 14 in of vertical testing capacity to accommodate varying sample sizes and is available in three different variations of rockwell regular. All of corporations test blocks to astm e18, ansi ncslz5401, iso 100121, isoiec 17025, and iso 6508, and they are certified in our isoiec 17025 accredited laboratory. Ish r150 basic operation of manual rockwell hardness tester. Applications of rockwell hardness a scale, bscale, cscale.
Type of indentor used in the three different scales of rockwell hardness test. The rockwell hardness test is based on the measurement of the depth to which an indenter is forced by a heavy major load beyond the depth resulting from a previously applied preliminary minor load. Experts in hardness testers and hardness test equipment including rockwell, brinell and microhardness testers, optical systems and software. After a few seconds the display will change to show the scale and status, for example. Try to resist hardness testing your body parts or the body parts of bystanders. In our documentation and manuals library, you will find the manuals for our newage hardness and microhardness test equipment. Stanley the rockwell hardness tester is a relatively safe machine. The rockwell hardness testing method fulfilled every requirement. Table 2 hardness conversion table for w20 series hardness testers webster hw rockwell e hre rockwell f hrf vickers hv 18 101 98. By using a test block, rockwell hardness testers can be calibrated for optimal precision.
The rockwell c scale is also the most precise way to report metal strength used in industrial machine knives. For b, b1 and b2 webster hardness testers, the dial indicator should point at the specified hardness values with tolerance of 0. Secure the penetrator and the appropriate anvil in the tester. This video is about using a rockwell hardness tester, and, showing the main components. How to operate the analog rockwell hardness tester. Position tester on support surface as desired, mark location of the 4 mounting holes in the corners of the frame base and for the elevation screw on the support surface. International standards organization rockwell hardness test part 1 test method iso 65081 metallic materials the reason all steel product manufacturers use the rockwell hardness scale is that it allows uniformity in reporting test results. Indenters selection for rockwell superficial rockwell hardnessthe. Ames portable hardness tester operator manual rockwell hardness testing is a system for determining the hardness of metals and alloys of all kinds. It is also capable of measuring brinell and vickers scales as an optional capability. The 900331 rockwell scale hardness tester is easy to operate, yet engineered to obtain highly sensitive and accurate readings. Rebound type testers are not suitable for thin light weight parts like sheet metal, knives, bolts, nuts, washers etc. Iso65082, metallic materials rockwell hardness test part 2.
Gaging equipment manuals technical gage guides pdf. Electronic torque wrench instruction manual read more drilscruchek tester read more rockwell hardness tester, dial type read more lengthcheck electronic. Lantao rockwell hrc2070 scales c metallic rockwell hardness reference blocks hrc hardness test standard block for hardness tester hrc5055 5. Newage hardness testers rockwell testers, brinell testers. Rockwell hardness testing machine wilson 574 buehler. Although it is a precision instrument, the phase ii 900331 stands up to almost any tough or challenging environment without losing any performance quality.
Materials testing equipment manufacturers united testing. Screwdrivers complete instruction manual dust proof plastic cover purveyors of fine. Such a procedure will damage the penetrator and result in invalid tests. Thx210 portable hardness tester rockwell brinell vickers. After the minor load, a major load is applied and then removed while the minor load is maintained. Hardness test specimens should have parallel top and bottom surfaces. The 900331 rockwell hardness tester is easy to operate, yet engineered to obtain highly sensitive and accurate readings.
Move the crank handle to the forward or start position. You should obtain a copy of this standard, read and understand the standard completely before attempting a rockwell test. The rockwell hardness test and the rockwell superficial hardness test. Each test yields a rockwell hardness value on your tester. Hardness tester must be installed in a dust and vibration free environment. Daily maintenance of webster hardness tester the testers of this series are precision instruments, of which the service life mainly depends on the correct method of use and timely and proper maint selection of indenter, test force and anvil of rockwell hardness tester 1. Mount tester to a support bench or table for a load of at least 500 lbs. Repeat this operation two or three times to seat the chuck firmly. Download your manual for newage hardness testers and microhardness testers here. For the rockwell hardness test, the preliminary test force is 10 kgf 98 n and the total test forces are 60 kgf 589 n, 100 kgf 981 n, and 150 kgf 1471 n. Designed for measuring hardness of metals and alloys of all kinds, hard or soft, whether flat, round or irregularly shaped simple in design and easy to operate, yet sensitive and accurate ideally suited for schools, laboratories, tool rooms and inspection departments conforms to is 38041966 and bs. Soft materials are usually tested in the rockwell b scale, using 116. The rockwell hardness test is a hardness measurement based on the. United testing systems manufacturers universal test machines for tension, compression and materials testing applications as well as rockwell hardness testers and related grips, fixtures and accessories.
It is widely used to measure the rockwell hardness of hard alloy, quenched and unquenched steels in the labs of research institutions, colleges, factories and mines. Soft materials are tested using a 116 steel ball indentor in the bscale hrb 25100. The 900331 rockwell hardness tester combines ease of use with reliable accuracy. Versitron rockwell hardness testing system operation. True blue ii rockwell hardness tester closedloop all scale meets astm e18 and iso 6508 made in usa. United true blue ii rockwell hardness tester united. True blue ii rockwell hardness tester united testing systems. The hr145 dual superficial rockwell hardness tester with a load range of 15 kg 45 kg for superficial rockwell testing and 60 kg to 150 kg for rockwell testing. Do not use the ball penetrator with the steel test block or when testing hard steel. Designed for measuring hardness of metals and alloys of all kinds, hard.
The standardized hardness block is tested by the hardness tester. Select proper major load either by turning the selector knob or by adding or removing weight s. To evaluate hardness, rockwell hardness testers use a differentialdepth method. Please read these notes that apply to all leeb type testers from any manufacturer. Uniteds trublue ii rockwell hardness tester uses the latest electronic controls, coupled with highprecision load cells to provide highly accurate penetration measurement data. Download your manual for your newage hardness tester or microhardness tester below. All models are complete with flat and vee anvils, diamond and 16 carbide ball indenters, 2 hrc and 1 hrbw rockwell blocks mr modelss or 3 rockwell blocks and an hr30n and hr30tw for ms testers technical data preliminary test force. Rockwell hardness testers in stock and ready to ship. The pht1800 portable hardness tester can perform tests that easily convert to the most popular hardness scales, including rockwell, brinell, vickers, shore, etc.
Also, the indentation is extremely small and usually does not need to be removed by machining, making this a nondestructive test. With the help of robert and philippe ill give a description of the. How to operate the analog rockwell hardness tester move the crank handle to the forward or start position. It is defined as the resistance to indentation, and it is determined by measuring the permanent depth of the indentation. The test consists of placing an on the material, then applying a minor load, which establishes the zero position. Size of the ball to be used in ball indentor of rockwell hardness test. There are 30 different rockwell scales with the majority of applications covered by the rockwell hrc and hrb scales for testing most steels, brass, and other metals.
Calibrate the machine occasionally using standard test blocks. United true blue ii rockwell hardness tester united testing. Our hardness testing machines represent stateoftheart technology and comply. For thin metal prices place another sufficiently thick metal piece between the test specimen and the platform to avoid any damage which may likely occur to the platform. Fast test speeds coupled with memory and output, this unit is a hand s down winner whether you are out in the field or in the qc shop. B and c to indicate rockwell hardness and n and t to indicate superficial hardness readings 150. Working procedure rockwell hardness testing machine working procedure rockwell hardness testing machine 1 check level of machine should be proper. In the rockwell method of hardness testing, the depth of.
The rockwell hardness testers manufactured by tx company apply rockwell hardness testing principle, with initial test force 10kgf, total test force 60kgf, 100kgf and 150kgf, and two common kinds of indenters. The american society for testing and materials astm has established a standard recognized worldwide to help manufacturers maintain the qualities they want in their products. The machine is a rockwell hardness tester with rockwell principle, it is widely used in the hardness testing of carbon steel, alloy steel, cast iron, non ferrous metal and machinery plastic. Working procedure rockwell hardness testing machine. It must always be prefixed by a letter signifying the value of the major load and type of penetrator e. It performs true rockwell tests, all in a portable package. This hardness tester can be used in laboratories, machine shops, heat treatment facilities, inspection labs. The 574 rockwell hardness tester provides a rugged industrial design, an easytouse control panel, and a builtin usb for easy data transfer to microsoft excel or other applications. Make sure the underside of the specimen is free from scale and burrs. Tester accuracy is checked by running the test on specimens of certified hardness.
Soft materials are tested using a 116 steel ball indentor in the b. Gaging equipment manuals technical gage guides pdf download. Removable clamping device allows for supporting odd shaped and large heavy parts. Foremost to any rockwell test process is identification of the proper hardness scale to be used on the component to be tested. Wilson rockwell 2000 automatic hardness testing machine. Always wear eye protection when using the rockwell hardness tester. Analog rockwell hardness testerphase ii model 900331.
Phase ii hardness testers accurately measure hardness of materials in rockwell hardness a, b, and c scales. Omegart manual rockwell hardness tester precautions 1. The rockwell test is generally easier to perform, and more accurate than other types of hardness testing methods. This instrument is offered in two sizes, 10 14 in vertical capacity, to accommodate varying sample sizes and is available in three different variations of. Uniteds trublue ii is an all scale computercontrolled rockwell hardness tester utilizing a precision load cell for accurate force measurement. A brinellcum rockwell hardness testing mc along with the specimen is shown in figure. On a manually operated unit, a rockwell test takes only five to ten seconds, depending upon the size and hardness of the specimen, as well as preload and dwell time. And it features at high accuracy, widely using, auto loadingunloading of main force and display, printing of testing results and communication with computer. Minimum thickness of the specimen shall be larger than 10. Hr320ms430mr430ms series 963rockwell hardness machines. Rockwell hardness test is to apply diamond cone indenter see fig2 or steel ball indenter see fig3 to the specimen surface in two steps as shown in fig1, which shall be retained for a certain period of time, and measure the residual indentation depth under preliminary test force after the main test force is removed. Designed with the best repeatability in its class, the wilson 574 is an affordable, highprecision depth measurement rockwell hardness tester with proven. Place specimen or rockwell test block on the anvil. If you are new to hardness testing or want to learn more about the.
The significant difference between the two test classifications is in the test forces that are used. No rockwell hardness value is specified by a number alone. Hardness is a characteristic of a material, not a fundamental physical property. Rockwell hardness tester 2 indenter printer primary load and height adjustment the hr145 dual superficial rockwell hardness testing for evaluating metallographic specimen hardness. On the market since 1984, the true blue ii has gained a reputation for being a highly accurate and durable rockwell hardness tester.
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