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Summary of Contents for BMS 3000-OBC
- Page 1 BMS 3000-OBC Brinell Hardness Testers BMS Bulut Makina Sanayi Ve Ticaret Ltd. Şti. İkitelli Organize Sanayi Bölgesi Dolapdere Sanayi Sitesi Ada 4 No : 7-9 Başakşehir / İSTANBUL-TURKEY Phone : +90 212 671 02 24 / 671 02 25 Fax : +90 212 671 02 26 web : www.bulutmak.com...
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Page 2: Table Of Contents
General Description ............................. 3 Testing Principles ..............................3 Range of Application ............................3 Technical Parameters ............................4 Descriptions of Mechanism Parts ........................5 Preparation ................................6 Package Opening ..............................6 Cautions of Transportation ........................... 7 Installation and Commissioning .......................... 7 Preparation prior to normal operation ...................... -
Page 3: General Description
1 General Description Hardness is an important parameter of mechanical performances for metallic and alloy materials. It usually refers to the resistance capacity of a material against the indentation of the other harder material with certain shape which is pressed into its surface without residual deformation by itself. Model 210HBS-3000 Brinell Hardness Tester can be used to measure the Brinell hardness of unquenched steels, cast irons, non-ferrous metals and other softer bearing alloys in the laboratories of factories,... -
Page 4: Technical Parameters
steel ball diameter is a constant, can the same hardness of the same specimen with steel ball of different diameters and different test forces be obtained. For details, please refer to Table 2. Fig-2 Tungsten carbide ball indenter Table 2 Selection of carbide ball diameters and test forces in Brinell Hardness Test Test force Diameter D of tungsten carbide ball Range of applications... -
Page 5: Descriptions Of Mechanism Parts
5 Descriptions of Mechanism Parts This tester is of lever structure, which features compact structure and easy operation. So it is widely used in the workshops. For the structure of this tester, please refer to Fig-3. The tester is composed of loading and unloading parts, main shaft parts, lever system, worktable parts and electronic control system. -
Page 6: Preparation
1. Machine body 14. Micrometer 2. Screw rod seating 15. Connection seating 3. Nut 16. Bolt 4. Hand wheel 17. Smaller lever 5. Screw rod 18. Spring 6. Loading and unloading parts 19. Front panel 7. Work table 20. Support frame 8. -
Page 7: Cautions Of Transportation
Fig-5 Schematic diagram of Box Opening 8 Cautions of Transportation Don’t try to move the tester by yourself. Or it may damage the tester and bring about personnel injury. Therefore, the tester shall be moved by two or more skilled personals. During transportation, the axial line between the indenter and the screw rod shall not be more than 15ºslanted. -
Page 8: Preparation Prior To Normal Operation
5. Remove the protective sleeve around the screw rod, clean away the antirust grease on the screw rod and hand wheel with kerosene, fill some lubricants to the contacts between screw rod and hand wheel, and then resume the protective sleeve. 6. - Page 9 Range of Specimen Ball diameter Test force F Test force Materials hardness thickness (mm) (Kgf) retaining time (s) (HBW) (mm) ＞6 3000 Ferrous metals 140-650 ＜3 187.5 ＞6 3000 ＜140 Ferrous metals ＜3 187.5 ＞6 1000 Non-ferrous metal and alloys 31.8-140 (copper, bronze and others) ＜3...
- Page 10 arithmetic means shall be accepted. The difference of two diameters shall be less than 1% of the smaller one. 3) Setup of testing parameters Turn power on, the tester is automatically reset to unloading status and the LCD will display the interface as Fig-8 which is the default settings while exiting works.
- Page 11 which can be adjusted between 4 seconds to 99 seconds. Herein, to press ▲ or ▼ key to change the retaining time and press ENTER to confirm the selected value. (7) When the cursor comes to the item “Magnification”, press ENTER to preset the magnification ratio which can be changed over between Auto, 1X and 2X.
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Page 12: Operation Of Micrometer
Fig-12 Menu interface (17) When the cursor comes to the item “Next page”, press ENTER to return to the menu shown in Fig-9. (18) When the cursor comes to “Quit”, press ENTER to exit the preset menu and return to the interface of Fig-8. (19) Date of test: At the small window in Fig-11, to press ▲... -
Page 13: Testing Procedures
Fig-14 Zeroing of micrometer Note: this step is not worth repeating for every measurement point. However, it must be repeated whenever the tester is restarted. While observing the indentation through ocular lens, in case the indentation image is not clear, turn elevation hand wheel for micro-adjustment until the indentation can be seen clearly. -
Page 14: Cleaning And Lubrication
13 Cleaning and Lubrication Protect the tester with dust-proof cover when it will not be used for a longer period of time. Fill adequate machine oil to the contacts between lead screw and hand wheel periodically. The friction surfaces should be lubricated regularly, 2 times per month. ...
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