Bench polisher Qpol Vibro

motor-drivenelectricaluminum

Introduction
The Qpol Vibro vibratory polisher is designed for deformation‑free surface preparation of metallographic specimens. It is suitable as a pre‑treatment for EBSD, AFM‑based nanoindentation and micro‑hardness testing. The large magnetic polishing bowl (inner Ø 308 mm) accommodates full sample holders, large specimens or up to 21 mounted samples simultaneously.

Key features

• Working discs compatible: Ø 300 / 305 mm
• Drive spindle 2.2 kW and polishing head 1.1 kW
• Electronic force control 50–750 N
• Modular dosing system with up to 6 vessels and optional magnetic stirrer
• Motorized swivel dosing arm for uniform wetting
• Working disc spin cycle (Cleaning Boost)
• Automated safety hood with soft‑close
• Tool‑free, magnetic polishing bowl and cloth change

Applications and compatibility

• Prepared surfaces suitable for EBSD (including austenite), AFM, nanoindentation and micro‑hardness testing

Operational benefits
Oscillation compensation in the vibrational motor prevents transmission of vibrations to the device housing or bench, enabling long unattended runs with low operational noise. An exhaust connection (Ø 40 mm) allows removal of moisture or gases. The transparent soft‑closing hood protects samples and suspension during processing. Device weight and footprint are compatible with bench‑top use (approx. 45 kg; dimensions 510 x 300 x 590 mm).

Polishing — 3 easy steps

• Install polishing bowl, clamping ring and magnetic cloth
• Insert mounted specimens or sample holders
• Fill suspension and start the selected vibratory method

User interface / Software
Intuitive 4.4" touch display with 15 pre‑installed methods and storage for up to 200 user‑defined methods (USB transfer). Manual and automatic modes; programmable duration and vibration intensity without limits. Selectable timer alerts and automatic frequency control (60–120 Hz) optimizes oscillation based on bowl load. Surface‑Guard mode protects prepared surfaces from corrosion or crystallization.

Accessories & Consumables

• Sample holders: Ø 25–25.4 mm (300 g / +90 g), Ø 38–40 mm (550 g / +190 g), Ø 50 mm (360 g / +190 g); special holders Ø 60 mm (875 g) and Ø 70 mm (605 g)
• Levelling discs for specimen diameters 25–50 mm; special discs for 60 mm and 70 mm
• Polishing bowl: inner Ø 308 mm, magnetic attachment, quick release button, lid protects cloth
• Polishing cloths: Iota (Ø 300 mm long‑piled soft synthetic), Zeta (Ø 300 mm short‑piled soft synthetic) and other Ø 300 mm cloths
• Suspensions: Eposal, Eposil F, Eposil M, Eposil Non Dry, Etosil E

Vibratory polishing methods
Material | Suspension | Cloth | Frequency (Hz) | Time | Additional weights
Steel 50–150 HV | Eposal | IOTA | 85 | 02:00 | 1–2
Steel 150–350 HV | Eposal | IOTA | 85 | 01:30 | 1–2
Steel 350+ HV | Eposal | IOTA | 85 | 01:00 | 2–3
Cast iron | Eposal | IOTA | 85 | 02:00 | 2–3
Austenitic steel | Eposal | IOTA | 90 | 02:00 | 2
Aluminium & alloys | Eposil M | IOTA | 90 | 01:30 | 1
Copper & alloys | Eposil M | IOTA | 90 | 01:00 | 1
Titanium & alloys | Eposil M11 | IOTA | 90 | 02:00 | 1–2
Superalloys | Eposil M11 | IOTA | 90 | 06:00 | 2
Lead alloys | Eposil M | IOTA | 85 | 03:00 | 1
Glass | Eposal | IOTA | 90 | 06:00 | 2
Ceramic | Eposil M | IOTA | 90 | 06:00 | 2–3
Minerals | Eposal | IOTA | 90 | 06:00 | 2
Rocks | Eposal | IOTA | 90 | 06:00 | 2
Cleaning mode | Water & soap 50:50 | IOTA | 90 | 00:10 | 0

Technical specifications

• Polishing cloth sizes: 300 mm, 305 mm (12")
• Interfaces: USB, Ethernet
• Exhaust connection: Ø 40 mm
• Vibration frequency: 60–120 Hz, automatically regulated
• Ambient temperature: 10–40 °C
• Power supply: 220–240 V, 50/60 Hz (1 Ph/N/PE) or 100–120 V, 50/60 Hz (1 Ph/N/PE)
• Drive power: 135 VA
• Polishing bowl inner diameter: Ø 308 mm
• Dimensions (W x H x D): 510 x 300 x 590 mm
• Weight (depending on configuration): approx. 45 kg