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MITECH MH320, Руководство пользователя, Страница: 6 / 27

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5

mvip@mitech-ndt.com

2 Structure Feature &Testing Principle
2.1 Structure Feature
2.1.1 The Hardness Tester Appearance

1. Main unit

2. Impact device

2.1.2 Parts of the Main body

1 Socket of impact device 2 Socket of USB 3 LOGO 4 Paper compartment cover 5 LCD display
6 Keypad

7 Battery switch

8 Power jack

9 Serial Number

10 Product label

11 Battery

compartment cover

DEL

SAVE

ESC

MENU

ENTER

MAT

DIR

FEED

PRT

1

M iT e c h

2

MODEL:        MH320
BATTERY:    6V NI-MH

HARDNESS TESTER

CAUTION:
1 Do not disassemble

3 Use only supplied AC-DC adapter

   for charging

CHARGER:    9V DC 

2 Do not dispose of in fire or water

SCALE

DEL

SAVE

ESC

MENU

ENTER

MAT

DIR

FEED

PRT

11

10

9

8

7

6

5

4

3

2

1

O

FF

---O

N

HL0108070811

M iT e c h

[email protected]

ponpe.com

Содержание MH320

Страница 1: ...MITECH CO LTD www mitech ndt com www ponpe com ...

Страница 2: ...ing 9 4 2 3 Localization 9 4 2 4 Testing 9 4 2 5 Read measured value 9 4 2 6 Power Off 10 5 Advice 10 6 Operation in Details 10 6 1 Power On 10 6 2 Power Off 10 6 3 Testing 10 6 3 1 Instruction of the Main Display Interface 11 6 3 2 Testing Operation at the Main Display Interface 11 6 3 3 Key Operation at the Main Display Interface 11 6 4 Menu Structure 11 6 5 Test Set 13 6 6 Print Function 15 6 7...

Страница 3: ...2 mvip mitech ndt com APPENDIX 22 Table 1 22 Table 2 23 Table 3 24 Table 4 25 User Notes 26 sale ponpe com ponpe com ...

Страница 4: ...ation indicates the rest capacity of the battery and the charge status User calibration function Software to connect with PC via USB port With EL background light Thermal printer integrated convenient for in field printing NI MH rechargeable battery as the power source Charge circuit integrated inside the instrument Continuous working period of no less than 150 hours EL off and no printing Auto po...

Страница 5: ...ge temperature 30 60 Relative humidity 90 The surrounding environment should avoid of vibration strong magnetic field corrosive medium and heavy dust 1 5 Safety Instructions The instrument can only work with the specially designed battery pack and power adapter charger supplied by Mitech Co LTD Working with others may result in damage of the instrument battery leakage fire or even explosion Do not...

Страница 6: ...display 6 Keypad 7 Battery switch 8 Power jack 9 Serial Number 10 Product label 11 Battery compartment cover DEL SAVE ESC MENU ENTER MAT DIR FEED PRT 1 M i Tech 2 MODEL MH320 BATTERY 6V NI MH HARDNESS TESTER CAUTION 1 Do not disassemble 3 Use only supplied AC DC adapter for charging CHARGER 9V DC 2 Do not dispose of in fire or water SCALE DEL SAVE ESC MENU ENTER MAT DIR FEED PRT 11 10 9 8 7 6 5 4 ...

Страница 7: ...ain weight impacts against the testing surface under certain test force then measure the impacting velocity and the rebounding velocity of the impact body respectively when the spherically test tip is located 1mm above the testing surface The calculation formula is as follows HL 1000 VB VA Where HL Leeb hardness value VB Rebounding velocity of the impact body VA Impacting velocity of the impact bo...

Страница 8: ...15 12 HLD 15 5 G 590 40HLG 500 40HLG 12 HLG 12 HLG 6 E 725 30HLE 508 40HLE 12 HLE 12 HLE 7 C 822 30HLC 590 40HLC 12 HLC 12 HLC Measuring range HLD 170 960 HLD Measuring direction 360 Hardness Scale HL HB HRB HRC HRA HV HS Display dot matrix LCD 128 64 dots Data memory 500 groups max relative to impact times 32 1 Printing paper width is 57 5 0 5 mm diameter is 30mm Battery pack 6V NI MH Battery cha...

Страница 9: ...to Table 3 For the sample with hardened layer on surface the depth of hardened layer should conform to Table 3 Coupling Light weight sample must be firmly coupled with a heavy base plate Both coupled surface must be flat and smooth and there is no redundant coupling agent existing The impact direction must be vertical to the coupled surface When the sample is a big plate long rod or bending piece ...

Страница 10: ...eeb hardness value to other hardness value contrastive test is needed to get conversion relations for the special material Use inspection qualified Leeb hardness tester and corresponding hardness tester to test at the same sample respectively For each hardness value each measure homogeneously 5 points of Leeb hardness value in the surrounding of more than three indentations which need conversion h...

Страница 11: ...s style value The hardness style is reset to HL automatically after changing the material So select material first before changing the hardness style 6 Operation in Details 6 1 Power On Press to power on the system The screen shows as below The system would automatically detect the type of the impact device during power up and would display this information on the screen Users should pay attention...

Страница 12: ...zzer will alert a short howl and display the mean value 6 3 3 Key Operation at the Main Display Interface Press key SAVE to store present group of measured value into memory This operation is only valid after displaying the mean value Press key DEL to delete the latest single measured value After pressing this key the screen will displays as below Press key or key to move the cursor to YES or NO P...

Страница 13: ...to Save Auto Print Auto Delete Auto Trans Key Sound Warn Sound LCD Brightness Time Date Set Impact Direction Average Material Hardness Scale Tolerance Limit Hard бb Hard Print Current Print Memory Print All Memory View From No 1 View From End View From No Transfer Delete by No Delete All sale ponpe com ponpe com ...

Страница 14: ...vice has the function of бb measure So the cursor could not move to Hard бb while use other impact device 6 5 1 Impact Direction Setting Press key or to move the cursor to the impact direction that you will preset Press key ENTER to confirm it Press key ESC to cancel it 6 5 2 Average Times Setting Press to move the cursor Press to change the number Press key ENTER to confirm it Press key ESC to ca...

Страница 15: ...t to preset Press ENTER to confirm setting Press ESC to cancel setting Note 1 Here only displays the valid hardness scale for the present selected impact device and material It would not display the hardness scale which is not valid 2 Please select material first then select hardness scale 3 Presetting hardness scale recovers to HL automatically after presetting material is changed 6 5 5 Tolerance...

Страница 16: ...rrent Print out the data report just finished testing If the instrument hasn t been switched off and hasn t changed any testing condition during continuous printing process it will only print out single measured value and average value when printing again 6 6 2 Print Memory Print out the selected group of measured value stored inside the instrument 6 6 3 Print All Memory Print out all the measured...

Страница 17: ...n the memory as text format to PC through USB port This function is not available now 6 7 4 Delete by Group No Delete by No displays selecting the range of deleting groups Press to move the cursor Press to change the number Press key ENTER to delete the selected groups Press key ESC to cancel operation Note 1 If the preset group number exceeds the actual range then deletes the actual groups among ...

Страница 18: ...r to move the cursor to the line which you want to see details Press ENTER to see details of that group Press key or to browse details including average value test set and each single value Press ESC to return to previous display Confirm delete NO No 001 12 03 652HL No 002 12 03 587HL No 003 12 03 820HL No 004 12 03 693HL No 005 12 03 783HL No 006 12 03 782HL No 007 12 03 579HL No 008 12 03 687HL ...

Страница 19: ... after having measured presetting average times or pressing end in advance If there is data canceled it needs supplemental measure to reach presetting times When Auto Trans is set to On could export the value of present group through communication port after measuring and displaying average value It s not available now When Key Sound is set to On the buzzer would make a short hoot while press key ...

Страница 20: ...the information about the main body and the firmware The version the Code and the SN would change with the firmware 6 11 System Calibration The tester and impact device must be calibrated using hardness block before use as the first time or having not been used for a long time or having reset the system Press key meanwhile pressing ENTER to power on the system Then the software calibration screen ...

Страница 21: ...to the illustration put the paper into the paper compartment with attention to the paper direction If the paper is misplaced the instrument 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 6 15 Battery Charge The instrument uses a NI MH battery pack as its power source When the battery pack almost runs ou...

Страница 22: ...the battery The battery is switched off Switch on the battery 8 Servicing Maintenance 8 1 Impact Device Servicing After the impact device has been used for 1000 2000 times please use the nylon brush provided to clean the guide tube and impact body When cleaning the guide tube unscrew the support ring first then take out the impact body spiral the nylon brush in counter clock direction into the bot...

Страница 23: ... 2 99 5 33 3 99 3 31 8 102 1 35 8 102 6 30 6 96 8 Cold work tool steel HRC 20 4 67 1 19 8 68 2 20 7 68 2 22 6 70 2 HV 80 898 80 935 100 941 82 1009 Stainless steel HRB 46 5 101 7 HB 85 655 HV 85 802 Grey cast iron HRC HB 93 334 92 326 HV Nodular cast iron HRC HB 131 387 127 364 HV Cast aluminum alloys HB 19 164 23 210 32 168 HRB 23 8 84 6 22 7 85 0 23 8 85 5 BRASS copper zinc alloys HB 40 173 HRB ...

Страница 24: ...on 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 strength steel 630 800 1180 2652 10 Stainless steel 500 710 703 1676 sale ponpe com ...

Страница 25: ... 5kg 2 5kg 0 05 2kg 5kg 2 5kg 0 05 2kg 1 5kg 0 5 1 5kg 0 02 0 5kg 15kg 5 15kg 0 5 5kg 5kg 2 5kg 0 05 2kg Min thickness of sample Coupling tightly Min layer thickness for surface hardening 5mm 0 8mm 5mm 0 8mm 1mm 0 2mm 10mm 1 2mm 5mm 0 8mm Size of tip indentation Hardness 300HV Indentation diameter Depth of indentation 0 54mm 24μm 0 54mm 24μm 0 38mm 12μm 1 03mm 53μm 0 54mm 24μm Hardness 600HV Inden...

Страница 26: ...e R11 R13 5 HZ12 5 17 For testing cylindrical inside surface R12 5 R17 6 HZ16 5 30 For testing cylindrical inside surface R16 5 R30 7 K10 15 For testing spherical outside surface SR10 SR15 8 K14 5 30 For testing spherical outside surface SR14 5 SR30 9 HK11 13 For testing spherical inside surface SR11 SR13 10 HK12 5 17 For testing spherical inside surface SR12 5 SR17 11 HK16 5 30 For testing spheri...

Страница 27: ...ing to repair sheet In accordance with the international relevant regulations the following are not within the scope of free warranty Damage caused by man made or improper keeping Self dismantle or non special repair shop dismantle Do not follow the requirement of service registration or warranty expired Consumable parts Service promise MITECH users have lifelong maintenance service Free maintenan...

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