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Mxmoonfree B09XQBD39Q User Manual

Portable hardness tester
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Summary of Contents for Mxmoonfree B09XQBD39Q

  • Page 3: Table Of Contents

    CONTENTS I. General Description..................4 1.1 Features......................4 1.2 Main application and testing range............. 4 1.3 Types and specification................6 1.4 Operating conditions................... 9 II. Structure Features and Testing Principle..........10 2.1 Structure features..................10 2.2 Testing principle..................12 III. Technical Capabilities.................12 3.1 Specifications.................... 12 3.2 Dimension size and weight...............

  • Page 4: General Description

    I. General Description 1.1 Features LCD display with adjustable backlight.  Converts to all common hardness scales (HV, HB, HRC, HRB, HRA, HS).  Max 500 groups (impact times:32 ~ 1) of data can be stored at internal non  volatile data storage.
  • Page 5 Table 1 Impact device Hardness Material method D/DC D+15 22.4~ 20.6~ 17.9~68.5 19.3~67.9 20.0~69.5 70.7 68.2 37.0~ 59.6~99.6 47.7~99.9 99.9 Steel and 59.1~85.8 61.7~88 cast steel 80~651 80~638 80~683 90~646 83~663 81~646 83~976 80~937 80~996 84~1042 80~950 31.8~ 35.8~ 30.6~ 33.1~110.1 33.3~99.3 102.1 102.6...

  • Page 6: Types And Specification

    aluminum 23.8~84.6 22.7~85.0 23.8~ 85.5 alloys 40~173 Brass 13.5~95.3 Bronze 60~290 Wrought copper 45~315 alloys Table 2 Material Strength σb(MPa) Mild steel 350~522 374~780 High-carbon steel 500~710 737~1670 Cr steel 500~730 707~1829 Cr-V steel 500~750 704~1980 Cr-Ni steel 500~750 763~2007 Cr-Mo steel 500~738 721~1875...
  • Page 7 Instrument Case Table 3 Parameter Non conventional DC/D/DL D+15 impact devices Impacting energy 11MJ 11MJ 2.7MJ 90MJ 11MJ Mass of impact 5.5g/7.2g 7.8g 5.5g body 1600HV 1600HV 1600HV 1600HV 5000HV Test tip Hardness Diameter of test tip Tungsten Tungsten Tungsten Tungsten synthetic Material of test tip...
  • Page 8 600HV Indentation 17 μm 17 μm 8 μm 41 μm 17 μm Indentation 0.35mm 0.35mm 0.35mm 0.35mm Hardness 800HV Indentation 10 μm 10 μm 7 μm 10 μm General test Hole or small, large, D+15: hollow-cylin light, thin thick, groove or super high drical test parts or...

  • Page 9: Operating Conditions

    For testing spherical outside 03-03.1 K10-15 surface SR10~SR15 For testing spherical outside 03-03.1 K14.5-30 surface SR14.5~SR30 For testing spherical inside 03-03.1 HK11-13 surface SR11~SR13 For testing spherical inside 03-03.1 HK12.5- surface SR12.5~SR17 For testing spherical inside 03-03.1 HK16.5- surface SR16.5~SR30 For testing cylindrical 03-03.1 outside surface,...

  • Page 10: Structure Features And Testing Principle

    II. Structure Features and Testing Principle 2.1 Structure features 2.1.1 Hardness Tester 1: Main unit 2: Impact device 2.1.2 Main unit 1: Shell 2: Impact device socket 3: Keypad 4: LCD screen...
  • Page 11 2.1.3 D type impact device 1: Release button 2: Loading sheath 3: Guide tube 4: Coil part 5: Connection cable 6: Impact body 7: Support ring 2.1.4 Non conventional types of impact devices D+15...

  • Page 12: Testing Principle

    2.2 Testing principle Let a impact body whose weight is definite rush into the surface of sample, the hardness value comes from the rate of rebound velocity and rush velocity at 1mm distance from testing surface. The calculation formula is following: HL=1000×VB/ VA In which: HL——Leeb hardness value...

  • Page 13: Dimension Size And Weight

    Table 5 Type of hardness value of Error of Repeatability of displayed impact standard Leeb displayed value value device hardness block 760±30HLD ±6 HLD 6 HLD 530±40HLD ±10 HLD 10 HLD 760±30HLDC ±6 HLDC 6 HLD 530±40HLDC ±10 HLDC 10 HLD 878±30HLDL 12 HLDL ±12 HLDL...
  • Page 14 + 15, C, E and DL type impact device) and less than 50mm (for G type impact device), a small support ring or nonconventional support ring should be used. Workpiece supporting  —— Support is not necessary for heavy test workpiece ——...

  • Page 15: Testing

    4.2 Testing A standard hardness block should be used to check the tester prior to the testing, and the reading value error and repeatability should not be more than the specification in table 5. Note: The hardness value of standard hardness test block can be measured via a ...
  • Page 16 4.2.3 Testing Press down the release button on the top of the impact device to make a test. At  this point, the test sample, impact device and the operator are all required to be stable; and the force direction should comply with the axis of the impact device. Five measurements should be carried out per measuring position of test sample.

  • Page 17: Detail Testing Procedures

    The mean value of five valid testing points can be served as a testing data of Leeb hardness. 4.2.8 The express of testing results Hardness value will be displayed ahead of HL (the symbol of Leeb Hardness),  and type of impact device will be displayed back of HL. For example, 700HLD expresses that the Leeb hardness is 700 by means of the measurement made by D type impact device.
  • Page 18 5.2.1 Explanation of the main display interface Battery information: displaying rest capacity when no charging, and displaying  charging degree when charging. Impact direction: current impact direction.  Average value : average value will be displayed when impact times setting has ...

  • Page 19: Measuring Condition Setting

    provided that the value exceeds tolerance limit; and the buzzer will send out two short sound if the impact times which has been set is achieved. After 2 seconds waiting, average value will be displayed with a short sound given out by buzzer. 5.3 Measuring condition setting When in main display interface, pressing [MENU] key to enter the main menu.
  • Page 20 5.3.2 Mean times setting Mean Times ************* The mean times can be modified in the range of 1~32. Press [ ] key to input the value, and the cursor can move in circles to right automatically. Press [Enter] key to finish the change. Press [ESC] key to cancel the change. 5.3.3 Material setting 6.3.3.1 Following available materials will be displayed in case of [Hard/ σb ] is set to [Hard]:...
  • Page 21 5.3.3.2 Following available materials will be displayed in case of [Hard/ σb ] is set to [ σb ]: Mild Steel High-Carbon Steel Press [ ][ ] key to move cursor to the material Cr Steel which will be set. Press [Enter] key to finish the change.
  • Page 22 5.3.5 Tolerance limit setting Tolerance limit **************************** Min. 0960 Press number key to input the value, the cursor can move in circles to right automatically. Press [Enter] key to finish the change. Press [ESC] key to cancel the change. Note: If the setting exceeds the measuring range, the tester will ask operator to ...

  • Page 23: Print Function

    5.4 Print function If it is in main display interface, press [MENU] key to enter main menu. Test Set Print Function Print Function Memory Manager System Set 5.5 Memory manager When in the main display interface, press [MENU] key to enter the main menu. Test Set Print Function Memory Manager...
  • Page 24 Auto Save: On Auto Print: On Auto Delete: Off Auto Trans.: Off Key Sound: Off Warn. Sound: Off LCD Brightness: Time Date Set Language Press [ ][ ]key to move cursor to the item to be set. Press [ Enter ]key to directly change, or enter correspond in changing interface. Press [ESC] key to return.

  • Page 25: Lcd Brightness

    5.6.1 LCD brightness Set Press [ ][ ] key to move cursor to the LCD backlight. LCD Brightness Dark: Press [ ] Bright: Press [ ] 5.6.2 Time and Date Set Press [Enter ] key to change brightness. Press [ESC] key to return. Time Date Set ***************************** 08/18/2012 14:32...

  • Page 26: Turn Off The Power Automatically

    One time calibration is enough for each type of impact device which equipped with a main unit; recalibration is not necessary after the replacement of impact device later. Calibration ************** 0/5 times Five points should be measured vertically down on the Leeb hardness test block. Average value will be showed after measuring.

  • Page 27: Battery Replacement

    VI. Battery Replacement The instrument uses 1.5V*2 battery pack as its power source. When the battery pack almost runs out, the battery symbol on the display will glint . It needs to change new battery as soon as possible. Try to drain your battery pack as fully as possible before it is charged for longest battery service.
  • Page 28 Click the [COMN] to connect, in the pop-up dialog box, select the COM port  (after connecting to the host normally, the system will automatically detect the port. The COM may be different in different systems, as shown in the figure above, this machine is COM3), click OK to connect to the host.
  • Page 29 Click the [FILE] to download data. ...
  • Page 30 Click the [CONF] to set test conditions. After completion, the interface will be  updated and the lower computer will be changed. Click the [PRINT] to print the data. ...

  • Page 31: Trouble Shooting

    VIII. Trouble shooting Failure Cause Solution Failure in starting Battery empty Recharge battery No measuring value Probe cable open circuit Replace Probe cable Value is inaccurate Calibration data lose over again Calibration IX. Maintenance 8.1 Impact device After using the impact device for 1000-2000 times, use the nylon brush provided ...

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