AMT212 Leeb Hardness Tester
Instruction Manaul
AMTAST USA INC
Страница 1: ...AMT212 Leeb Hardness Tester Instruction Manaul AMTAST USA INC ...
Страница 2: ... Testing 13 4 1 Preparation and Inspection prior to testing 13 4 2 Testing 15 5 Special prompts 18 6 Detail Testing procedures 19 6 1 Start up 19 6 2 Turn On or turn off 19 6 3 Testing 19 6 4 Menu structure diagram 22 6 5 Measuring condition setting 23 6 6 Print function 25 6 7 Memory manager 27 6 8 System Set 28 6 9 About software 28 6 10 Software calibration 29 6 12 Turn off the power automatica...
Страница 3: ...2 7 Trouble shooting 33 8 Maintenance 33 8 1 Impact device 33 8 2 Standard maintenance procedures 33 9 Notice of Transportation and Storage 33 10 Non warranty part 33 ...
Страница 4: ...ype of impact device automatically Max 500 groups impact times 32 1 of data can be stored at internal non volatile data storage Upper and lower limit of hardness can be preset When the tested value exceeds the limits alarm will send out automatically to make convenient for the requirements of batch measurements Test values software calibration function Material of cast steel is added HB values can...
Страница 5: ...nd table 2 Table 1 Material Hardness method Impact device D DC D 15 C G E DL Steel and cast steel HRC 17 9 68 5 19 3 67 9 20 0 69 5 22 4 70 7 20 6 68 2 HRB 59 6 99 6 47 7 99 9 37 0 99 9 HRA 59 1 85 8 61 7 88 0 HB 127 651 80 638 80 683 90 646 83 663 81 646 HV 83 976 80 937 80 996 84 1042 80 950 HS 32 2 99 5 33 3 99 3 31 8 102 1 35 8 102 6 30 6 96 8 Hammered steel HB 143 650 Cold work tool steel HRC...
Страница 6: ...3 5 95 3 Bronze copper alu minum cop per tin alloys HB 60 290 Wrought copper alloys HB 45 315 Table 2 No Material HLD Strength σb MPa 1 Mild steel 350 522 374 780 2 High carbon steel 500 710 737 1670 3 Cr steel 500 730 707 1829 4 Cr V steel 500 750 704 1980 5 Cr Ni steel 500 750 763 2007 6 Cr Mo steel 500 738 721 1875 7 Cr Ni Mo steel 540 738 844 1933 8 Cr Mn Si steel 500 750 755 1993 9 Super stre...
Страница 7: ...rious non conventional type of impact supporting ring See table 4 4 Table 3 Non conventional impact devices DC D D L D 15 C G E Impacting energy Mass of impact body 11Mj 5 5g 7 2g 11mJ 7 8g 2 7mJ 3 0g 90mJ 20 0g 11mJ 5 5g Test tip Hardness Diameter of test tip Material of test tip 1600HV 3mm Tungsten carbide 1600HV 3mm Tungsten carbide 1600HV 3mm Tungsten carbide 1600HV 5mm Tungsten carbide 5000HV...
Страница 8: ...tion Hardness 300HV Indentation diameter 0 54mm 0 54mm 0 38mm 1 03mm 0 54mm Indentation depth 24μm 24μm 12μm 53μm 24μm Hardness 600HV Indentation diameter 0 54mm 0 54mm 0 32mm 0 90mm 0 54mm Indentation depth 17μm 17μm 8μm 41μm 17μm Hardness 800HV Indentation diameter 0 35mm 0 35mm 0 35mm 0 35mm Indentation depth 10μm 10μm 7μm 10μm Available type of impact device D General test DC Hole or hollow cy...
Страница 9: ... 03 03 9 Z25 50 For testing cylindrical outside surface R25 R50 4 03 03 1 0 HZ11 13 For testing cylindrical inside surface R11 R13 5 03 03 1 1 HZ12 5 17 For testing cylindrical inside surface R12 5 R17 6 03 03 1 2 HZ16 5 30 For testing cylindrical inside surface R16 5 R30 7 03 03 1 3 K10 15 For testing spherical outside surface SR10 SR15 8 03 03 1 4 K14 5 30 For testing spherical outside surface S...
Страница 10: ...R12 5 SR17 11 03 03 1 7 HK16 5 30 For testing spherical inside surface SR16 5 SR30 12 03 03 1 8 UN For testing cylindrical outside surface radius adjustable R10 1 4 Operating conditions Ambient temperature 10 40 Relative humidity 90 No vibration no strong magnetic field and no corrosive medium and heavy dust in ambient environment ...
Страница 11: ... 1 1 Hardness Tester 1 Main unit 2 Impact device 2 1 2 Main unit 1 Socket of impact device 2 Paper compartment cover 3 TFT display 4 Keypad 5 Power jack 6 Socket of USB 7 Battery switch 8 Product label 9 Serial Number 10 Battery compartment cover 2 1 7 6 5 4 3 1 2 10 9 8 ...
Страница 12: ... 3 D type impact device 1 2 3 4 5 6 7 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 DC DL C D 15 E G ...
Страница 13: ... is as following 3 Technical capabilities 3 1 Specifications Measuring range HLD 170 960 HRC 17 9 69 5 HB 19 683 HV 80 1042 HS 30 6 102 6 HRA 59 1 88 HRB 13 5 101 7 Measuring direction 360 Hardness scale HL HB HRB HRC HRA HV HS Display TFT 320 240 matrix Printing paper width is 57 5 0 5 mm diameter is 30mm Data memory 500 groups impact times 32 1 Range of upper and lower limit the same as measurin...
Страница 14: ...urface The preparation for workpiece surface should comply with the relevant requirements specified in table 3 During the preparation for sample the affect to surface hardness of sample caused by overheating cold processing and etc should be avoided as far as possible If the surface to be tested is too rough measuring error will appear So the surface of the sample must have metallic luster and the...
Страница 15: ...layer should comply with table 3 Coupling The workpiece with lightweight must be firmly coupled with the support both coupled surface must be flat smooth and the coupling agent should not be too much The measuring direction must be vertical to the coupled surface When the workpiece is a large area plate long rod or bending piece it can be deformed and become unstable even the weight and the thickn...
Страница 16: ...rdness test block If the value exceeds the standard range it can be calibrated via user calibration function 4 2 1 Start up Insert the impact device plug into the socket of impact device located on the right of the tester Press key to turn on the power then the tester enters into the measuring status 4 2 2 Loading Push down the loading sheath to lock the impact body for DC type impact device the l...
Страница 17: ...ation if Leeb hardness value accurately conversing to other type of hardness value is required Procedures are as following tests are made on the same test sample via Leeb hardness tester which recalibrated well and relevant hardness meter respectively for each hardness value five points which uniformly distributed around hardness indentation should be chosen to make tests and tests for three at le...
Страница 18: ...eeb 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 For other type hardness which changed from Leeb Hardness value corresponding hardness symbol should be added ahead of Leeb hardness symbol For example 400HVHLD expresses that the Vickers hardness value is 400 which c...
Страница 19: ...nactive in case of pressing down Average key to finish measurement in advance Only D and DC type impact device have strength measuring function so that Hard σb setting can not be changed if other type impact devices are used if the setting has been changed into σb via D DC type impact device the Hard σb setting will be changed into Hard when other impact devices had been installed instead of D DC ...
Страница 20: ...charging Impact direction current impact direction Average value indicator average value will be displayed when impact times setting has been achieved Hardness scale the hardness scale of current measuring value Measured value current single measured value without average value indicator current average value with average value indicator It expresses the value is more than conversion or measuring ...
Страница 21: ...d provided that the value exceeds tolerance limit and if the impact times which has been set is achieved After 2 seconds waiting average value will be displayed 6 3 3 Key operation Press SAVE key to save current group data The key can only be active after average value has been displayed furthermore the save can be done only once Press DEL key the latest single measured value can be deleted Press ...
Страница 22: ...an be changed by press MATERIAL key Whenever press the key once the circulating conversion among all material setting will be performed and hardness scale will be changed into Leeb hardness therefore material should be set firstly when measuring then hardness scale should be set Note what is called conversion refers to the corresponding relationship of Leeb Hardness and other hardness for a certai...
Страница 23: ...l Test Set Print Function Memory Manage System Set Material Date Time CAL Version Sensor Setting Impact direction Material Hardness scale Average Tolerance limit Hardness Strength Print current Print history Print From Group Auto save off Auto print off Key sound on Warning sound on LCD Backlight 80 Display Standby 60 Sec Auto Poweroff 5Min Language English Display HL ON Del Max Error OFF Load Def...
Страница 24: ...e current selected impact device and material only the hardness scale which can be conversed will be displayed hardness which can be conversed will not be displayed 2 Material should be chosen prior to the hardness scale 3 After the material setting had been changed hardness scale setting will return to HL ...
Страница 25: ...ator to reset 2 Exchanging will be done automatically if the Min tolerance limit is more than Max tolerance limit 6 5 4 Hardness σb setting Note Only D DC type impact device is provided with the function of strength measuring Therefore the item can only be set to Hard if the impact device is not D or DC type ...
Страница 26: ...ote Information about serial number and operator should be filled by manual Portable Hardness Tester No Operator Time 13 40 46 Date 08 28 2015 Probe Type D Impact direc 90 Deg Mean Times 05 Material Matl of Roller 51 4 50 9 51 5 51 6 51 7 Average 51 4HSD ...
Страница 27: ...choice Note Printing function is unavailable while charging Do not open the cover of the paper compartment during printing Otherwise the instrument may not print normally Printing with paper that has been stored for over long period of time or of poor quality may reduce the print quality or even damage the printer ...
Страница 28: ...27 6 7 Memory manager 6 7 1 Viewing all Press key move cursor Press key pageup and pagedown ...
Страница 29: ...m Set 6 9 About software The interface display instruments and embedded software information The software version number and embedded software identification may change with the software upgrade we no longer notice ...
Страница 30: ...nough for each type of impact device which equipped with a main unit recalibration is not necessary after the replacement of impact device later Five points should be measured vertically down on the Leeb hardness test block Average value will be showed after measuring Press key to input real value Press ENTER Key to finish calibration Press CANCEL key to cancel calibration Calibration range is 50H...
Страница 31: ...glint It needs charging as soon as possible Try to drain your battery pack as fully as possible before it is charged for longest battery service Plug the power adapter into the mains supply power socket and then plug the charger connector into the power jack of the instrument If the instrument is in power off condition it will turns on automatically after the charger plug is inserted into the powe...
Страница 32: ...low Power down the instrument Take off the battery compartment cover and take out the battery pack Insert the connection plug of the new battery pack into the socket on the circuit board Reset the battery cover Turn on the instrument to check Warning Please pay much attention to the polarity of the battery during battery replacement ...
Страница 33: ...trument will fail to print Pull a trip of paper out of the compartment Make sure that the paper is well in place and close the paper compartment cover 1 2 3 4 1 Paper 2 Paper Roller 3 Paper Compartment Cover 4 mechanism of Open the Cover 6 16 The connection of data communication cable Insert one connection plug of the transmission cable into the USB socket on the right side of main unit and insert...
Страница 34: ...m draw it out Repeat this action for 5 times and mount the impact body and the support ring Remember to release the impact body after use Any lubricating agent is absolutely banned to use inside the impact device 8 2 Standard maintenance procedures If the error is 2HRC when using standard Rockwell hardness block to test maybe the test tip is disabled Changing the test tip or impact body should be ...
Страница 35: ...d Products Type Leeb Hardness Tester Main unit No Impact device No Service phone code Consumer information Purchasing date Corporation name Corporation address Consumer name Consumer phone code Malfunction description ...
Страница 36: ...er Products Type _______________________ Main unit No ________________________ Impact device No ____________________ The product accords with the technical criteria and is allowed to sell Quality Check Engineer _________________ Inspection date _____________ ...
Страница 37: ...it 1 2 D type impact device 1 3 Small supporting ring 1 4 Nylon brush A 1 5 High value Leeb test block 1 6 Instruction Manual 1 7 Battery Charger 1 8 Paper for printing 1 9 Communication cable 1 10 Box Of instrument 1 11 12 13 14 15 16 17 Release date________________ ...
