Time TH170 Bedienungsanleitung
INTEGRATED HARDNESS TESTER
TH170
Instruction Manual
TIME Group Inc.
CONTENTS
1 Introduction…………………………………………………………..…………… 1
1.1 Features……………………………………………….………….……..…..…… 1
1.2 Main application and testing range…………………………….…..………..… 1
1.3 Specification..……………………………………………….……….………...… 2
1.4 Working condition……………………………………………….….…...……… 3
2Structure feature & testing principle………………………..….….……………. 4
2.1 Structure feature…………………………………………………..……..…...… 4
2.2 Testing principle……………………………………………………..…..……… 5
3 Specialties…………………..………………….……………….……..…………… 5
3.1 Specifications………………………………………………….…….……..….… 6
3.2 Dimension and weight……………………………………………..…………..…7
4 Using……………………..………………………………….………..……………. 7
4.1 Preparation before using…………………………………………..…………… 7
4.2 Testing…………………………………………………………………..…..…… 8
5 Special prompt……………………...…………………….……………..……...… 9
6Operation explain in details………………………………….….……..………… 9
6.1 Switch on…………………………………………….………….……..…....…… 9
6.2 Measuring operation……………………………………………..……….…… 10
6.3 Key-press operation……………………………………………….………...… 10
6.4 Switch off……………………………………………….……………...….…… 10
6.5 Menu structure…………………………………………...……..……..……… 10
6.6 Common function………………………………………………..……..……… 12
6.7 Memory manager………………………………………………..……..……… 13
6.8 Test setting…………………………………………………………..…….....… 14
6.9 System setting……………………………………………………………….…. 17
6.10 Software……………………………………………………………..…………18
6.11 Software calibration……………………………………….………..…………18
6.12 Battery replacement…………………………………….….……….…………19
6.13 Backlight………………………………………………………..….…………..20
6.14 Auto Power Off…………………………………………………….………….20
6.15 Connection of data transmission cable……………….………………………20
7Maintenance and repair…………………………….…………………………… 20
7.1 Impact device………………………………………….……………..………… 20
7.2 Repair………………………………………………………....………...……… 20
8Inspection periods………………...…………………..……….………………… 20
9Notice for uses……………………...……………………………..….…..…….… 20
10 Notice of transportation and storage………………………..……………………21
1 Introduction
1.1 Features
zLCD display 128×32 dot matrix；
zUSB communication interface；
zImpact direction automatically identifying；
zMemory 270 average data in 9 files ；
zUpper and lower limit pre-setting；
zBattery capacity display and power off automatically lack of voltage；
zBacklight for convenient use in darkness；
zSoftware calibration；
zAAA 1.5V(7#)battery 2 pc；
zComputer software available.
1.2 Main application and testing range
1.2.1 Main application
zThe installed machinery and permanently assembled parts；
zDie cavity of moulds；
zHeavy and large work piece；
zFailure analysis of pressure vessel, steam turboset and other equipment；
zNarrow space workpiece；
zAxletree and other spare parts；
zMaterial identification of the metal material warehouse；
zQuick inspection for large workpiece；
zOthers.
1.2.2 Testing range
See table 1.
Table 1
Material Hardness scale Application range
HRC 20.0～68.4
HRB 38.4～99.8
HB 81～654
HV 81～955
Steel and Cast Steel
HS 32.5～99.5
HRC 20.4～67.1
Cold Work Tool Steel HV 80～898
HRB 46.5～101.7
HB 85～655
Stainless Steel
HV 85～802
Grey Cast Iron HB 93～334
Nodular Cast Iron HB 131～387
HB 19～164
Cast Aluminum Alloys HRB 23.8～84.6
HB 40～173
Copper-Zinc Alloys HRB 13.5～95.3
Copper-Aluminum Alloys HB 60～290
Wrought Copper HB 45～315
1.3 Specification
1.3.1 Standard delivery
TH170 Main Unit 1
AAA 1.5V(7#) battery 2
Smallsupportingring 1
Cleaning brush 1
Hardness test block（760±30HLD）1
USB communication cable 1
Drivingdiskforcomputer 1
1.3.2 Optional parts
DataView for TH170；
Supporting rings，see table 2.
Table 2
No. Code Model Sketch Remarks
1 03-03.7 Z10-15 For testing cylindrical outside
surface R10-R15
2 03-03.8 Z14.5-30 For testing cylindrical outside
surface R14.5-R30
3 03-03.9 Z25-50
For testing cylindrical outside
surface R25-R50
4 03-03.10 HZ11-13 For testing cylindrical inside
surface R11-R13
5 03-03.11 HZ12.5-17 For testing cylindrical inside
surface R12.5-R17
6 03-03.12 HZ16.5-30
For testing cylindrical inside
surface R16.5-R30
7 03-03.13 K10-15
For testing spherical outside
surface SR10-SR15
8 03-03.14 K14.5-30
For testing spherical outside
surface SR14.5-SR30
9 03-03.15 HK11-13 For testing spherical inside
surface SR11-SR13
10 03-03.16 HK12.5-17 For testing spherical inside
surface SR12.5-SR17
11 03-03.17 HK16.5-30
For testing spherical inside
surface SR16.5-SR30
12
03-03.18 UN
For testing cylindrical outside
Surface , radius adjustable
R10～∞
1.4 Working condition
Environmental temperature:0℃～40℃；
Relative humidity: ≤90 ％；
The surrounding environment should be no vibration, strong magnetic field, corrosive
medium and heavy dust.
2 Structure feature & testing principle
2.1 Structure feature
Structure feature see figure 1.
TIME Group Inc.
Hardness Tester TH170
MODLE
HARDNESS TESTER
BATTERY
GROUP INC.
AAA 1.5V X 2
TH170
USB
HARDNESS TESTER
TH170MODLE
BATTERY
AAA 1.5V X 2
GROUP INC.
Figure 1
2.2 Working principle
The basic principle is: The impact object of certain weight pounds at the testing surface under
certain test force. Measure the impacting velocity and the rebounding velocity of the impact object
respectively when it is 1mm above the testing surface. The calculation formula is as followed:
HL=1000×VB/ VA
Where, HL--Leeb hardness value
VB-- Rebounding velocity of the impact object
VA --Impacting velocity of the impact object
3 Specialties
3.1 Specifications
3.1.1Impact Device：D；
3.1.2 Features of Impact Device and testing demand see table 3，indentation dimension of test tip
see table 4；
Table 3
Parameter Value
Impact energy 11mJ
Impact object weight 5.5g
Hardness of test tip ≥1600HV
Diameter of test tip 3mm
Material of test tip Tungsten Carbide
Max. hardness of workpiece 940HV
Roughness of workpiece Ra ≤1.6μm
Min. weight of workpiece
Test directly >5kg
Need stable support 2～5kg
Need couplant 0.05～2kg
Min thickness of workpiece
Test directly ＞5mm
Need couplant ≤5mm
Min. depth of harden surface 0.8mm
Table 4
Hardness
（HV）
Parameter Value（mm）
Indentation diameter 0.54
300 Indentation depth 0.024
Indentation diameter 0.54
600 Indentation depth 0.017
Indentation diameter 0.35
800 Indentation depth 0.010
3.1.3 Accuracy and repeatability of displayed value see table 5.
Table 5
Hardness value of Leeb
standard test block
Error of
displayed value
Repeatability of
displayed value
760±30HLD ±6 HLD 10 HLD
530±40HLD ±10 HLD 10 HLD
3.1.4 Measuring range：170～960HLD；
3.1.5 Measuring direction：360°；
3.1.6 Scales：HL、HB、HRB、HRC、HV、HS；
3.1.7 Display：128×32 dot matrix LCD；
3.1.8 Data memory：270 average data in 9 files；
3.1.9 Upper and lower limit setting：same to measuring range；
3.1.10 Power：AAA（7#）1.5V 2pc；
3.1.11 Continual working time ：about 150 hours（without backlight）；
3.1.12 Communication interface：USB2.0.
3.2 Dimension and weight
3.2.1 Dimension:155mm×55mm×25mm
3.2.2 Weight: about 166g.
4 Using
4.1 Preparation before using
4.1.1Preparation for sample surface
Preparation for sample surface should conform to the relative requirement in figure 3.
●In the preparation process for sample surface, the hardness effect of being heated or cold
processing on the surface of sample should be avoided；
●Too big roughness of the measured surface could cause measure error. So, the measured surface
must be metallic luster, smoothing and polish, without oil stain；
●Curved surface: The best testing surface of sample is flat. When the curvature radius R of the
surface to be tested is smaller than 30mm，the small support ring or the shaped support rings
should be chosen, see figure 2.
Figure 2
●Support of test sample
Support is not necessary for heavy sample.
Medium-weight parts must be set on the smoothing and stable plane. The sample must set
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