The digital turret-type Vickers hardness tester can meet the basic Vickers hardness test requirements. The upgraded digital micrometer eyepiece can directly read the measurement length, so that the measurement value can be obtained more quickly and accurately. The tower can automatically switch the eyepiece and indenter to avoid artificial errors and damage the instrument, and also greatly improve the efficiency.
Applications:
1. Iron and steel, non-ferrous metals, metal foils, hard alloys, metal sheets, microstructures, carbonization;
2. Carburizing, nitriding and decarburization layers, surface hardened layer, plating layer, coating, heat treatment;
3, glass, wafers, ceramic materials.
Technical Parameters:
| Vickers hardness scale | HV1,HV3,HV5,HV10,HV20,HV30 |
| Display |
5-digit hardness value, 4-digit diagonal length (D1, D2), Hold time, number of tests, average, standard deviation, return |
| Test force(Kgf) | 1.0Kgf(9.8N), 3.0Kgf(29.4N), 5.0Kgf(49.0N), 10Kgf(98.0N), 20Kgf(196N), 30Kgf(294N) |
| Loading control | Automatic (load/hold/uninstall) |
| Test force retention time(s) | 1~99 |
| Optical channel | Dual light channels (eyepieces and CCD camera channels) |
| Optical system |
Objectives: 10×, 20× Eyepiece Magnification: 10× Total magnification (μm): 100×, 200× Measuring range (μm): 400 Resolution (μm): 0.125 |
| Hardness measurement range | (5-3000)HV |
| XY test stand (optional) |
Size (mm): 100×100 Travel range (mm): 25×25 Minimum reading (mm): 0.01 |
| Maximum height of specimen (mm) | 165 |
| Maximum width of specimen (mm) | 130 (distance from the center line of the indenter to the wall) |
| Data output | Reserve built-in mini printer interface, (RS232 serial interface) optional installation |
| Voltage | AC220V/50HZ |
| Overall size (mm) | 585×200×630 |
| Weight (kg) | 42 |
      Shanghai Biaoke Photoelectronic Technology Co., Ltd. is a national high-tech enterprise intergrating with R&D, manufacturing and selling. Our company has 12-year experience in laser marking & cutting machine, hardness tester and other instruments. The main products: vickers hardness tester, rockwell hardness tester, leeb hardness tester, shore hardness tester, webster hardness tester, barcol hardness tester, brinell hardness tester, laser marking machine, laser cutting machine, etc. We have the CE, ISO, FDA, SGS Certificates. So our machine used around the golbe in a myriad of markets, such as Germany, Korea, France, Italy, India, Brazil, Arab, Egypt, etc.
Standard configuration| Host computer | 1 |
| Weight | 3 |
| Large and medium "V" test benches | 1 |
| Horizontal adjustment screw | 4 |
| Power cable | 1 |
| 10X digital microscope eyepiece | 1 |
| Vickers hardness block | 2 |
| Spare fuse 2A | 2 |
| Product certificates | 1 |
| Instruction manual | Â |
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High Precision Machining is defined as a process of changing the dimensions or the performance of workpiece with machining facilities.
According to the temperature of the workpiece while in machining, high precision machining can be divided into cold working and hot working. Usually, machining under indoor temperature, and won't change cause chemical change or phisical phase change is named cold working. On the other hand, if under temperature, higher or lower than room temperature, which will lead to chemical changes or phase changes, it will be called as hot working.
For high precision machining, the machining tolerance can be up to 0.0001-0.001mm, the surface finish Ra can be 0.02-0.1um.
Machining precision is to describe the actual geometrical parameter of the part after machining, such as the size, the form, the position, comparing with the theoretical geometry parameter. The difference from these two parameters is the machining tolerance. The number of the difference show the machining accuracy, the bigger, the lower of the machining precision, the smaller, the higher machining precision.
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