Grinder/polisher Tegramin 30 (TEGRAMIN)


Grinder/polisher Tegramin 30

Guarantor:
Jiří Holas

Instrument status:
Operational Operational, 9.2.2018 17:11

Equipment placement:
CEITEC Nano - A1.04


Semiatomated machine for preparation of materialographic samples by mechanical grinding and polishing. The clamping system accepts samples embedded in 30 mm stubs, produced by Citopress 10 or Citovac machine. Minimum number of samples to be processed is one; maximum number is 6 samples per run. The machine is quipped with automatic six-line dosing system for process fluids (wetting agent and polishing suspensions) and one dosing line dedicated to supply chemically active polishing fluids.


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Specification

Disc specifications

Diameter 300 mm
Speed 40–600 rpm, variable
Rotational direction counter-clockwise
Disc motor 750 W
Torque cont. at < 300 rpm 23.8 Nm
cont. at 600 rpm 11.9 Nm
Max. > 40 Nm

Available pads for grinding and polishing

MD Piano for plane grinding and fine grinding of materials (HV 150–2000)
MD Mezzo for plane grinding of titanium alloys
MD Molto for plane grinding of aluminium alloys
SiC foil 180 for wet grinding of materials (HV 30–800)
SiC foil 1200 for wet grinding of materials (HV 30–800)
MD Gekko adapter for use with SiC Foil or self adhesive consumables
MD Allegro composite disc for one-step fine grinding of materials (>HV 150)
MD Largo composite disc for one-step fine grinding of ductile materials (>HV 40)
MD Dur polishing cloth for fine grinding and polishing
MD Nap-T polishing cloth for final polishing
MD Chem polishing cloth for final polishing


Specimen head specifications

Speed 50–150 rpm, variable
Rotational direction clockwise, counter-clockwise
Head motor 160 W
Torque 10 Nm


Available suspensions

DP-Suspension P 9 μm diamond suspension for materialographic grinding and polishing
DP-Suspension P 3 μm diamond suspension for materialographic grinding and polishing
DP-Suspension P 1 μm diamond suspension for materialographic grinding and polishing
DP-Suspension P 1/4 μm diamond suspension for materialographic grinding and polishing
DP-Suspension P 0,1 μm diamond suspension for materialographic grinding and polishing
OP-S Suspension colloidal silica suspension for final polishing
OP-AN Suspension neutral alumina suspension for final polishing
DP-Lubricant Blue cooling and lubricating liquid for fine grinding and diamond polishing
DP-Lubricant Red lubricating liquid for final diamond polishing of softer materials

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