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phase II 900-365 Instruction Manual

Digital rockwell hardness testers
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900‐365 / 900‐366
Digital Rockwell Hardness Testers
Instruction Manual
21 Industrial Ave  Upper Saddle River, NJ. 07458
Tel: (201)962‐7373  Fax: (201)962‐8353
E‐Mail: info@phase2plus.com
Web Site: http://www.phase2plus.com

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  • Page 1 900‐365 / 900‐366 Digital Rockwell Hardness Testers Instruction Manual 21 Industrial Ave  Upper Saddle River, NJ. 07458 Tel: (201)962‐7373  Fax: (201)962‐8353 E‐Mail: info@phase2plus.com Web Site: http://www.phase2plus.com...

  • Page 2: Table Of Contents

    Contents General description…………………………………………………………... Key performance parameters………………………………………………. Basic configuration and structure…………………………………………. Standard configuration………………………………………………………. Structure schematic diagram……………………………………………….. Installation and adjustment…………………………………………………. Operating methods…………………………………………………………… Testing preparation…………………………………………………………… Test parameters setting……………………………………………………… 5.2.1 Scale selection………………………………………………………………… 5.2.2 Load dwell setting…………………………………………………………….. 5.2.3 Auxiliary functions……………………………………………………………. 5.2.4 Communication status setting……………………………………………… 5.2.5 Buzzer for key…………………………………………………………………. 5.2.6 Browse through/print the track record…………………………………….
  • Page 3 Do Not Discard Shipping Crate as This May be Needed for Future Transportation. Use adjustable feet to level the machine. Be sure to lock nuts when completed.
  • Page 4 The weights must sit flush in the groove of the support saddle The two pins in the weights should be symmetric. Don’t turn in any other direction.
  • Page 5 All weights should unobstructed while taking a test. The chart above explains which weights get supported when taking a particular Rockwell test. Included Indentors: Rockwell B Indentor Rockwell C Indentor 1/16” Carbide Ball Diamond...

  • Page 6: General Description

    1 General description The 900‐365 & 900‐366 Digital Rockwell Hardness Testers can be used directly to measure all regular Rockwell hardness scales and it can quickly convert that hardness value into HB, HV, HLD, HK and σ value. Loaded with many useful features such as ultra precise results, wide measuring range, automatic test force change according the scale selection, automatic main test force loading/unloading, high resolution digital display and automatic printing. The 900‐365/366 is suitable for testing hardness of carbon steel, alloy steel, cast iron, non ferrous metals and engineering plastics.

  • Page 7: Basic Configuration And Structure

    3 Basic configuration and structure 3.1 Standard configuration Base Machine Standard hardness block for B scale Standard hardness block for C scale 1/16″Carbide ball indenter 120°cone diamond indenter Mounting screws for indenter Flat anvil “V ”shape anvil Power supply plug Screwdriver Dust cover 3.2 Structure schematic diagram 1- screen and keyboard...

  • Page 8: Installation And Adjustment

    4 Installation and adjustment (900-365 only) Remove wood crate top by removing 1each bolt from bottom left and right side of crate and lifting up crate, then remove the three M10 screws from the underside of the base. Lift the machine very carefully from the bottom.
  • Page 9 For 900‐366 Only!

  • Page 10: Test Parameters Setting

    Figure 5.1.1 When selecting a particular scale, pay attention to the Indentor that is shown on the display. If the display shows Diamond as above, then you must install the supplied Diamond Indentor in the machine. When installing indenter, make sure the surface of the diamond shank is clean. Install diamond and tighten set screw.

  • Page 11: Load Dwell Setting

    5.2.2 Load dwell setting Load dwell refers to the duration of total test force (i.e. time of primary test force and main test force). For samples such as steel, cast iron and aluminum, dwell times should be set at 5 seconds for optimal performance.
  • Page 12 Figure 5.2.5 Figure 5.2.6 5.2.3.2 Data statistics The statistics for one group data is available; press “ ”or“ ”key to determine the value of N (the applicable scope is 2～99) in figure5.2.7; then press“ ” to confirm. The values of serial number n and N will be shown simultaneously with the displaying of measuring result each time after the function setting has been taken into effect.
  • Page 13 5.2.3.3 Scale conversion This function can convert the measured Rockwell hardness value to other scales or strength. Such as changing the value of HRA scale into HBS, HBW, HV and HK value; changing the value of HRB scale into HB10, HB30, HV, HLD, σ and HK value;...

  • Page 14: Communication Status Setting

    5.2.4 Communication status setting The 900-365 is provided with a digital communication USB port (transmission rate 9600bps), which can be connected with external computer. After setting, test results of each time will be sent to external computer. Press “Setup” key then Press “...

  • Page 15: Time Setting

    5.2.7 Time setting Press “Setup” key then Press “ ”or“ ” key to move cursor to “8” in figure 5.2.1, press ” key, figure5.2.12 appears. Press “ ” or “ ” key to move cursor to “1” in figure 5.2.12, then “...

  • Page 16: Automatic Testing

    5.3.2 Automatic testing Figure 5.3.3 Figure 5.3.4 After the preload has been set, the test will be performed automatically as follows: loading main test force, as figure 5.3.3; holding with dwell time and counting down after loading, refer to figure 5.3.4.
  • Page 17 Approximate Hardness Conversion Numbers for Non‐Austenitic Steels (Rockwell C Hardness Range) A Rockwell Superficial Rockwell Number Brinell Hardness Number Rockwell Vickers 10‐mm 10‐mm Knoop D Scale 15‐N 30‐N 45‐N Scleroscope (HV) Standard Carbide 500‐gf Scale 100kgf Scale Scale Scale Hardness 150kgf ball ball and 60 kgf (HRD) 15‐kgf 30‐kgf 45‐kgf (HRC) 3000kgf 3000kgf Over (HRA) (HR15N)
  • Page 18 Approximate Hardness Conversion Numbers for Non‐Austenitic Steels (Rockwell B Hardness Range) A Rockwell Superficial Rockwell Number Rockwell B Vickers 10‐mm Knoop F Scale 15‐T Scale 30‐T Scale 45‐T Scale 100kgf (HV) Standard 500‐gf Scale 60kgf 15‐kgf 30‐kgf 45‐kgf (HRB) ball and 60 kgf (HRF) (HR15T) (HR30T) (HR45T) 3000kgf Over (HRA) (HBS) (HK) 100 240 240 251 61.5...
  • Page 19 Approximate Leeb (Type D) Hardness Conversion for Non‐Austenitic Steels (Rockwell C Hardness Range) A Leeb Hardness, Type D Rockwell C Hardness Vickers Hardness Brinell Hardness Impact Device (HLD) 150kgf (HRC) (HV 10) 10mm Steel Ball 3000kgf (HBS) 828 762 (721) 819 737 (699) 711 (675) 809 800 688 (654) 791 667 634 782 645 614 625 595 773 764 605 577 755 586 559 746 568 542 737 550...
  • Page 20 Weight ‐ Load ‐ Indentor Chart Scale Indentor Type Preliminary Total Typical Applications Symbol Force Force N (kgf) N (kgf) Spheroconical 98.07 (10) 588.4 (60) Cemented carbides, thin steel, and shallow case hardened steel Diamond 1/16” Carbide Ball 98.07 (10) 980.7 (100) Copper alloys, soft steels, aluminum alloys, malleable iron, etc. Spheroconical 98.07 (10) 1471 (150) Steel, hard cast irons, pearlitic malleable iron, titanium, deep case Diamond hardened steel, other harder than...
  • Page 21 Round Correction Factors Corrections to be added to test results in the following scales for various diameter parts. Corrections to be added to Rockwell C, A and D values Diameter of Convex Cylindrical Surfaces Hardness ¼” 3/8” ½” 5/8” ¾” 7/8” 1” 1‐1/4” 1‐1/2” Reading 6.4mm 10mm 13mm 16mm 19mm 22mm 25mm 32mm 38mm 6.0 4.5 3.5 2.5 2.0 1.5 1.5 1.0 1.0 5.5 4.0 3.0 2.5 2.0 1.5 1.0 1.0 1.0 5.0...
  • Page 22 Minimum Thickness Requirements Minimum allowable thickness for a corresponding hardness in the respective scales Minimum Minimum Rockwell Rockwell Rockwell Superficial Superficial Superficial Superficial Superficial Superficial Thickness Thickness 15N 30N 45N 15T 30T 45T Inch 0.006 0.15 … … … … … … … … … 0.008 0.20 … … … … … …...

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900-366

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