دستگاه سختی سنج برینل خودکار Mitech MHBS-3000-XYZ، بر اساس اصل مکانیکی فشار دادن فرورفتگی آلیاژ سخت به سطح نمونه برای ایجاد فرورفتگی، اندازه گیری سختی مواد با اندازه گیری قطر فرورفتگی، استفاده از سیستم سنسور فوتوالکتریک تا بالا اندازه گیری نوری بزرگنمایی، مجهز به دستگاه برجک خودکار، رابط عملکرد صفحه نمایش لمسی با حساسیت بالا، می تواند بارگیری و تخلیه خودکار الکترونیکی، علائم فرورفتگی خودکار، قطر فرورفتگی اندازه گیری فوکوس خودکار میکروسکوپی، تبدیل خودکار سختی GB / ASTM، گزارش تست خودکار و سایر عملکردها را به دست آورد. کارکرد آسان، راندمان تشخیص بالا. می تواند نیاز تست سختی را برای کنترل کیفیت و ارزیابی واجد شرایط نمونه قطعه کار برآورده کند. به طور گسترده ای در پردازش و ساخت فلز، تجزیه و تحلیل شکست مواد فلزی مختلف و زمینه های دیگر مانند کالج ها و موسسات تحقیقاتی استفاده می شود. برای بهبود راندمان کار، نرخ صلاحیت محصول، صرفه جویی در هزینه های تولید تجهیزات تست دقیق حرفه ای ضروری است.
Function & application
l Metal processing industry quality control links
l Universities teaching and demonstration test
l The failure test of metal material
l The material hardness test of scientific research institutions
Working Principle
Hardness is not a simple physical quantity, but a reflection of the material elasticity, plasticity, strength and toughness .and hardness test is the most simple mechanical testing method to determine the metal material performance. Also one of the important means to judge the products quality.
Brinell hardness test: Test force(F) is on the steel ball with certain diameter(D) , pressed on sample surface. After a period of time, cancel the force. The indentation diameter is get by measuring with micrometer ocular,thus to calculate the average pressure(N/mm²).
Working Conditions
l Working Temperature：18℃～28℃；
l Relative Humidity：≤65％；
l Clean environment, no vibration；
l No corrosive media around.
Instrument Features
l Widely used in metal processing and manufacturing, various metal material’s failure analysis and other fields like colleges
and research institutionsand other fields;
l High degree of automation, accurate measurement, suitable for large demand or high precision measurement of high-end
users.
l Equipped with portable high-definition USB camera, ergonomic design, feel comfortable, delicate and durable.
l Easy to operate, can automatically identify the edge of indentation, automatic removal of burrs to achieve accurate
indentation measurement, synchronous display.
l With threshold overrun automatic alarm function, apply to the bulk of finished products or semi-finished pieces of
paper-by-piece detection.
l Image and the corresponding measurement data files can be set to automatically store, open, store, print, modify, call and
other operations, generate measurement reports;
l Real-time statistical measurement data, display the maximum, minimum, average, deviation, CP, CPK and so on.
l The automatic turret mechanism can realize the automatic switching function between the objective lens and the indenter
and improve the detection efficiency.
l Using touch screen display interface, display operation integration, simple and intuitive, the technical requirements of the
operator is not high;
l Equipped with excellent performance of the carbide indenter, high hardness, wear resistance, good toughness, while high
temperature, corrosion resistance, to ensure that the instrument measured standard, stable and reliable;
l Equipped with high-speed thermal printer, you can quickly print out the test data;
l According to ASTM_E140, DIN 50150, GBT_1172 and other different standards for hardness conversion;
l Diameter measurement accuracy of up to 0.001mm, meet ASTM E 10, GBT 231, ISO-6506 and other standards;
Operating Method and Attentions
Instrument Maintenance
l Each technical requirement of the instrument has already reached the national standards before leaving factory. But its
disassembly, transportation or voltage after delivery might cause some data in the instrument changed. So to make the
electronic component in normal operation to reduce the testing error, you can use test force of 29400N(3000kgf) pressing
times before starting the instrument to eliminate the instrument deformation.
l The anti-interference component has been installed in the circuit to ensure the transmission of the loading or unloading
single of the test force at all levels. At the same time, make sure no strong interference source around when using the
instrument, and power off the instrument after finished the testing.
l All the screws and the caps have been fasten tightly before the instrument leaving factory. However, the screw and cap
may become less crowded because that the screw lever for loading and unloading are rotating all the time. If there is
irregular noise, when the screw lever rotating, please check and tightened the screw and cap as the below figure shown.
Pulley and cap
l If there is some slight noise during loading or unloading, it is the loading mechanism making adjustment automatically,
which is a normal phenomenon.
l Hardness of the use of a period of one year, two adjacent indentation or indentation center to the edge of the distance of
not less than 3mm, too close will affect the measured results;
l The instrument screw level and other movable surface should be lubricated regular.
l When not in use for a long time, please cover the dust cover to prevent dust into the instrument interior. And
the hardness block, indenter should be coated with antirust oil to prevent rusting after using.
l Start using again after long time idling, please make testing after preheating the electrical components.
l The accuracy of the reading microscope has been adjusted before leaving factory. It is prohibited to disassembly without
authorization. Otherwise, it will reduce the reading accuracy of the micro eyepiece.
l The storage and using of the reading microscope should avoid dust, damp and corrosive gas environment;
l If there is dirt on the surface of the reading microscope lens, please wipe it with soft absorbent cotton or lens paper. If
there is oil pollution, please wipe it slightly by the absorbent cotton with industrial alcohol or ether.
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