Table of Contents
Advertisement
Quick Links
Advertisement
Table of Contents
Related Manuals for YUSHI LM100
Summary of Contents for YUSHI LM100
- Page 1 Leeb Hardness Tester LM100 Operating Manual YUSHI INSTRUMENTS...
-
Page 2: Table Of Contents
CONTENTS Principle of Leeb Hardness Testing Method 5.5 Measuring..................12 .......1 Instrument and Impact Device Diagram 5.5.1Operating................12 ........2 5.5.2 Delete the Gross Error Value..........13 2.1 Instrument Diagram..............2 5.6 Average Value................13 2.2 D Type Impact Device Diagram...........3 5.7 Data Save and Read Setting ............14 2.3 Types of Impact Device..............4 5.7.1 Storage Testing Result............14 2.4 Impact Devices Specification............4... -
Page 3: Principle Of Leeb Hardness Testing Method
1.Principle of Leeb Hardness Testing Method 2. Instrument and Impact Device Diagram The impact body, which is equipped with tungsten carbide, impacts into the work piece and rebounds back. The rebound and impact velocities are 2.1 Instrument Diagram measured at the 1mm point from the work piece in the following way: the integrated permanent magnet will produce directly proportional voltage with the impact velocity. -
Page 4: D Type Impact Device Diagram
2.2 D Type Impact Device Diagram 2.3 Types of Impact Device Figure 2.3 2.4 Impact Devices Specification: Special Impact D/DC/DL D+15 Device 11mJ 11mJ 11mJ 11mJ 11mJ Impact Energy 7.8g 3.0g 20.0g 5.5g 5.5g/7.2g Mass of Impact Body 1600HV 1600HV 1600HV 1600HV 5000HV... -
Page 5: Standard Configuration
Average Surface 1.6μm 1.6μm 0.4μm 6.3μm 1.6μm Roughness Ra: 2.5 Standard Configuration Min.Weight.of (kg) Sample: LM100 Main Unit >5 >5 >1.5 >15 >5 Directly Measurable D type Impact Device 0.5-1.5 5-15 Need Stable Support HLD Value Standard Test Block 0.05-2... -
Page 6: Functions And Applications
Special Impact Device: type impact device (Standard); Optional Code Model Remark Support Ring C/G/DC/DL/D+15 Sketch Accuracy: ±6HLD (HLD=800), Repeatability 6HLD (HLD=800) Measure outside the cylindrical Measuring Direction: Vertically downward, inclined downward, Level, 03-03.7 Z10-15 surface R10~R15 inclined upward, vertically upward Measure outside the cylindrical 03-03.8 Z14.5-30... -
Page 7: Weight And Thickness Requirements
Impact Device Type 4.2 Support of Test Piece Workpiece Surface Roughness Ra D、 DC、DL 、D + 15 2 μm The heavy workpiece do not need support. 7 μm The Mid-heavy workpiece must be placed on a flat, sturdy surface, and 0.4 μm absolutely smooth placement, without any shaking. -
Page 8: Keyboard
Press “DIR” button to select impact direction. Figure 5.2 5.3Turn on the Instrument Press to power on the LM100, the screen will display the default Figure 5.4 interface for the first time, then power on again will display the last 5.4.5 Impact Times parameters automatically. -
Page 9: Delete The Gross Error Value
Figure 5.5 Figure 5.7 5.7 Data Save and Read Setting After testing, the tester will display as following: 5.7.1 Storage Testing Result Press “MEM” storage button to set the saving function, the “S” symbol will be shown on the display. The tester will save the testing results automatically, including 7 testing results and 1 average value each group, and total 100 groups can be stored. -
Page 10: Delete
5.7.3 Delete Press“up”and“down”button at the same time after the power on, then Press “DEL” button in reading mode to delete one group data. Long press the tester will enter calibration mode, the identification of calibration “DEL” button to delete all stored values. displays.