Vibratory Polisher for Metallography & Petrography

The Vibrapol is an automatic vibratory polisher designed to prepare high quality polished surfaces on a wide variety of materials, especially for electron-backscatter diffraction (EBSD) applications. The high frequency vibration in horizontal motion produces a very effective polishing action to remove minor deformation remaining after mechanical preparation and reveal the stress-free surface. Ideal for EBSD specimens preparation.

The Vibrapol is equipped with a variable frequency and voltage controller, this allows the operator to optimise the frequency and voltage independently depending upon specimen size and weight. The Vibrapol has a programmable timer for better control of the polishing process.

Features

  • Frequency and voltage controls. By adjusting the vibrating frequency, different size specimens can be polished. By changing the applied voltage, the speed of the polishing action can be easily controlled
  • Timer control
  • Capable of handling small or large specimens
  • Multiple sized holders (1" - 2" diameter, other sizes can be customised)
  • Robust and durable design
  • Easy to use and service
  • Ideal for all materials

vibratory polisher metallography

Vibratory Polishing Basics

Vibratory polishing is a specialised polishing technique for minimising specimen preparation damage. It is a slow polishing process which can take several minutes to hours. Vibratory polishing is a unique mechanical polishing technique which still uses the standard polishing abrasives. Vibratory polishing uses a spring and motor to create the vibration. Essentially, the sample is vibrating up and down; however, by angling the spring mechanism, the specimen will rotate around the polishing bowl. Vibratory polishing is a very low deformation polishing technique; however, polishing action is usually very slow and it is not uncommon to polish samples for hours with this technique. Figure 1 shows the effect of polishing a low carbon steel with standard polishing techniques compared to vibratory polishing. As can be seen in Figures 2 and 3 under DIC illumination, vibratory polishing is an effective polishing technique for removing surface deformation.

1018 Steel standard polishing 400X BF etchant 2percent Nital

Figure 1 - 1018 Steel, standard polishing, 400X B.F., etchant 2% Nital

1018 Steel standard polishing

Figure 2 - 1018 Steel, standard polishing, 400X DIC., etchant 2% Nital

1018 Steel vibratory polishing

Figure 3 - 1018 Steel, vibratory polishing, 400X DIC, etchant 2% Nital

Description Vibrapol 1200 Vibrapol 900
Bowl Size (mm) Ø300mm / 12" Ø228mm / 9"
Power 110 / 220V single-phase (50/60 Hz)
Motor 550W 350W
Dimension (WxDxH) 530 x 660 x 470 mm 430 x 530 x 440 mm
Weight(kg) 135 82
Specimen Holder, 1.25" 3 pcs 3 pcs
Holder Weights, 1.25" 3 pcs 3 pcs
Lever Plate for 1.25", Polishing Pad 1 pcs 1 pcs
Sample holder sizes 1" - 2", other sizes can be customised

Recommended Consumables for Vibrapol

Product Code
CHEM-H polishing cloth (For final polishing with colloidal suspensions on medium to hard materials) 300mm 341784
200mm 341782
MRE polishing cloth (For final polishing with colloidal suspensions on soft materials) 300mm 341714
200mm 341712
NSH-B polishing cloth (For final polishing using alumina suspensions) 300mm 341203
200mm 341257
Colloidal silica, Col-K (NC) (For final polishing stage) 1 Litre 600261
5 Litres 600199
Alumina suspension, 0-1 micron (For polishing steel & hard metals) 1 Litre 600711
Alumina suspension, 0-0.7 micron (For polishing semi-hard metals) 1 Litre 600712
Alumina suspension, 0-0.3 micron (For polishing soft metals) 1 Litre 600713
Alumina suspension, 0-0.05 micron (For polishing soft materials) 1 Litre 343591

Vibratory Polisher

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