A procedure for petrographic and micromorphological thin sections preparation and examination in extra-laboratory and field conditions is presented. With use of basic, often improvised off the shelf equipment, standard petrographic thin sections of

Thin Section Preparation: Select a clean specimen - no oil from the natural environment or from rock saws, Cut specimen using a water-cooled saw to approximately 1"x2"x1/2" thick. Lap specimen using the large 12" diameter power lap wheel with …

Buehler is a manufacturer of metallographic testing equipment including scientific instruments & supplies for cross-sectional material testing. Buehler's sectioning, mounting, grinding and polishing, imaging and analysis and hardness testing metallographic equipment along with consumables are used by metallurgical, metallography, petrography ...

Lapping, Polishing, Honing, Grinding Machines and Metallographic Products and Services. In today's technologically advanced world, there are a growing number of applications where conventional machining techniques just aren't accurate …

THE OPERATION OF PORTABLE PETROGRAPHIC THIN-SECTION LABORATORY FOR FIELD STUDIES. By Yuval Goren. Field microscopy applied to the understanding of the technology and conservation of wall paintings. ... SAMPLE PREPARATION TECHNIQUES IN PETROGRAPHIC EXAMINATIONS OF CONSTRUCTION MATERIALS: A STATE-OF-THE …

A thin section is a 30 µm (= 0.03 mm) thick slice of rock attached to a glass slide with epoxy. Typical thin section slides are 26 mm x 46 mm, although larger ones can be produced. They are generally covered by another glass slide, a cover slip also attached to the rock with epoxy. The epoxy ideally has an index of refraction of 1.54, although.

report or specification, they should be reviewed with regard to the ... 2.1 Equipment for thin section preparation 2.1.1 Diamond saws Two diamond saws with water-based lubricant are desirable, one with a large diameter cutting wheel (~500 mm diameter) and one with a small diameter cutting ... The water-lubricated laps are

further processing in thin section preparation. FORCIPOL 300-1V is a strong grinding and polishing instrument with variable speed between 60-600 rpm and for 300 mm diameter wheels. By using appropriate working discs, it can carry the grinding, lapping and polishing processes very smoothly. FORCIPOL, when coupled with FORCIMAT-TS

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12.2 General Guidance for Sample Preparation . Some general considerations during sample preparation are to minimize sample losses and to prevent contamination. Possible mechanisms for sample loss during preparation steps are discussed in Section 12.2.1, and the contamination of samples from sources in the laboratory is discussed in Section 12.2.2.

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Thin Section Technique. ... Too close grinding on the lap will ruin the section. ... It is based on the assumption that the sum of the areas of each of the components in a random section of uniform rock is proportional to the volume of that constituent in the rock. In practice, actual areas are seldom measured, but rather a linear traverse is made.

Special holders for thin section lapping and polishing. FORCIPOL 300-1V is a versatile & durable & reliable grinding/polishing machine. It can accommodate 300 mm diameter wheels with variable speed between 50-600 RPM. The modern electronics provide a smooth speed variation. Motor on/off and water on/off buttons are mounted on the

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The PetroThin Thin Sectioning System is a precise easy-to-use precision thin section cutting machine for re-sectioning and thinning a wide variety of samples, such as rocks and minerals, ceramics, concrete, bone, and teeth for performing materials characterization.

Sep 25, 2012· Preparation of a rock chip for mounting on the glass slide: 1. Select the material to be sectioned. 2. Determine the optimal orientation of the section to be prepared. 3. Using the slab saw, cut an approximately 1/4″ slab of rock from the hand specimen. 4.

The multi-purpose SGL200 can slice, grind and lap specimens using only one instrument. A high grade steel lapping disc, diamond-cutting blade, diamond-grinding wheel, and versatile vacuum chuck for various slide sizes are the key components of the machine. The latter grasps the thin section during slicing and grinding operations.

The Hillquist Thin Section Machine is used to prepare thin sections of mounted samples. A thin section cut-off saw and grinder have been incorporated into one unit. Its straight- forward design allows the operator to concentrate on making thin sections, not operating the machine.

Water inlet and flexible water outlets with control valves for wet grinding are standard features. FORCIMAT-TS is driven by a 100 Watt DC motor and adjustable from 25 to 50 RPM speed which provides high torque for big specimens and allows long operation time. Speed of head is specially adjusted for thin section and petrographic sample preparation.

x-axis vacuum stand. The thin section is fixed on the vacuum holder and re-sectioned up to a thickness of approximately 0.5 mm or any thickness that needs to be obtained. Grinding Module The grinding module is designed for precision grinding. A universal vacuum holder accepts different sizes of glass slides by changing the location pins.

Water inlet and flexible water outlets with control valves for wet grinding are standard features. FORCIMAT-TS is driven by a 100 Watt DC motor and adjustable from 25 to 50 RPM speed which provides high torque for big specimens and allows long operation time. Speed of head is specially adjusted for thin section and petrographic sample preparation.

II. Preparing sample surfaces by grinding specimens to produce flat rock chips. III. Adhering samples to glass slides. IV. Trimming and reducing samples to thin section specifications. V. Grinding specimen surfaces VI. Cover slipping. The instructions for each step must be followed precisely, in a sequential manner, for results to be optimal.

In an apparatus and a method for slicing a cylindrical semiconductor ingot into thin wafer pieces using an inner peripheral sliding blade, a grind stone shaft with a grind stone mounted to the tip end thereof is located movably axially within a rotor provided with the inner peripheral sliding blade so that the grind stone shaft and rotor can be rotated integrally but axially movable …

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comes and automatic thin section preparation system. FORC- IMAT-TS is an low speed automatic head and it mounted on a rigid hardened post which is fixed to the base of the FORCI- POL 300-1V grinder/polisher. FORCIMAT-TS is driven by a 100 Watt DC motor at 35 RPM speed which provides high torque for big specimens and allows long operation time.

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during cutting and grinding steps. A water circulation system is added to the machine for cooling, lubricating and washing during cutting and grinding steps. Electrical force is needed to machine, vaccum pump and circulation system. Petro Ahoura Company Specifications motor: 3000 RPM, 220 V, 50 Htz, Made in GermanyMaximum

Thin Section amp Sample Preparation. Sectioning of rock ceramics minerals glass concrete precise material removal of petrographic thin sections lapping and polishing thin sections rock sample preparation cutting and grinding machines our most popular machine is the kemtech iii able to accurately lap and polish thin sections mounted on glass ...

control cutting and grinding of the thin section.A vacuum chuck holds the thin section during preparation and assures accuracy that other mechanical holding devices cannot provide. 5 11-2780 IsoMet® 5000 with 11-2740 cup grinder shown. Cup grinding can be used for thin section preparation. 38-1490 PetroBond Thin-Sectioning Bonding Fixture ...

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The first stage in the thin-section preparation is cutting the sample to a suitable size for processing. This small section must first be removed from a larger rock sample. The GTS1 Thin Section Cut-off and Trim Saw is ideal for geological applications and allowing users to cut hard or soft rocks, concretes or cement, with equally high efficiency.

To be able to do this a thin section needs to be prepared for microscopic examination. Logitech precision equipment is ideal for thin or ultra-thin section preparation. Our wide range of versatile systems enable you to trim, lap and polish geological …

Nov 06, 2019· The instruments will enable scientists to identify and select a collection of rock and soil samples that will be analyzed and stored for potential return to Earth. "PKB has been supporting NASA's Jet Propulsion Laboratory (JPL) programs and missions for over 10 years," said Ed Osta, president of Pacamor Kubar Bearings.