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GMT PRECISION GRANITE SURFACE PLATES

Granite Surface Plates from grade 0 to grade 3. GMT Granite Surface Plates are manufactured to precision standards using the highest quality granite.

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GMT PRECISION GRANITE SURFACE PLATES

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  1. GMT PRECISION GRANITE SURFACE PLATES GMT

  2. HOW COME GMT GRANITE PRODUCTS? Granite surface plates of grades 00, 0, and 1 are produced and supplied by GMT. second and third grades The Metrology Division in Hosur, Tamil Nadu, India, is where GMT makes its granite and cast iron products. This division is close to abundant sources and large deposits of high-quality granite, making it ideal for metrology applications. Due to its highly fine-grained structure, Indian black granite is ideal for use in metrology. The Coefficient of thermal expansion, density, water absorption, and porosity, as well as flexural and compressive strength, are a few of the characteristics that can be used to select a rock for use in metrology.

  3. SPECIFICATIONS : - FLATNESS TOLERANCE IN µm FOR ACCURACY GRADE

  4. Application: For dimensional inspection and calibration of mechanical objects, surface plates serve as reference planes. The X and Y coordinates for dimension measurements are provided by this plate, which serves as a datum surface. Therefore, the plate's level surface is crucial. As a result, this flatness measurement typically comes with a tolerance and may also include a grade. In addition, the DIN and IS Standards outlined in the preceding table are satisfied by GMT Metrology Granite Surface Plates. Also, GMT Granite Surface Plates are made with the best granite to exacting standards. ACCURACY First and foremost, thorough quality control inspections are conducted at every stage. At regular intervals, a NABL-accredited laboratory calibrates a High Precision Computerized Electronic Level for a final inspection. Granite Surface Plates are able to withstand a total normal load of 25 kg with accuracy and under load. per 0.1 m2

  5. CERTIFICATE OF ACCURACY Each plate comes with a certificate of accuracy that complies with the customer's specified standards, such as IS, DIN, BS, and JIS. Granite Surface Plates are produced in five grades, according to TECHNICAL DATA. The following are typical applications for these five grades of plates: DIN grade 00: 876: 84 is of lab quality. Calibration masters use it in gauge rooms and metrology laboratories for precise measurement. The inspection grade is grade 0. It is recommended for all quality control work. Grade 1 is for the tool room. It is designed for production work checking in the shop. Grades 2 and 3 are intended for general inspection in shops.

  6. The characteristics that best describe our granites are as follows: Texture Coefficient of Thermal Expansion Exceptional Specific Gravity 3.08 g/cm3 Density Over 90 Modulus of Elasticity Scleroscope 9.0 to 12.0 x 105kg/cm2 The absorption moisture Nil FLATNESS TOLERANCE The flatness deviation of a 250 mm x 250 mm area of the working surface must not exceed 3.0 m for Grade 00 plates, 3.5 m for Grade 0 plates, 7.0 m for Grade 1 plates, 15.0 m for Grade 2 plates, and 30.0 m for Grade 3 plates.

  7. THANKING YOU

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