Qpol 250 A1/A2-ECO - Automatic Grinding and Polishing Machines

Product catalog summary

Overview
The document provides detailed specifications and features of the Qpol 250 A1-ECO and Qpol 250 A2-ECO automatic grinding and polishing machines designed for materialographic laboratories. These machines are suitable for working wheels with diameters of 200/250 mm and offer both single and twin wheel configurations.

Design and Accessibility
The machines feature a single-disc design that allows easy access to the working wheel after removing the splash protection ring. This design facilitates cleaning and maintenance by providing access to all parts below the wheel.

Operating Comfort
The ECO grinding and polishing head is equipped with adjustable swiveling limits, recessed grips, and integrated buttons for easy operation. The design ensures a large gap between the working surface and the polishing head for convenient sample holder changes.

Automatic Grinding & Polishing
The Qpol 250 A1/A2-ECO machines support up to 200 customizable preparation methods, which can be saved and protected by user account management. The process status is visualized by a status bar, and an acoustic signal can be set to indicate the end of each preparation step.

ECO Polishing Head
The polishing head includes LED illumination and a holder for the Qdoser ECO dosing system nozzles. It supports automatic water supply and variable speed operation, handling up to 6 samples with diameters of 40 mm.

Sample Holders
A variety of standard sample holders are available, with options for clamping samples of unusual dimensions using special design holders.

Electronic Control System
The machines are operated via a 4.3-inch touch screen, allowing for manual or programmed sample preparation. The system supports data exchange and software updates through USB and Ethernet connections.

Optional Dosing Units
The machines can be paired with the Qdoser ECO or Qdoser One dosing systems for enhanced flexibility and ease of use.

Specifications
The Qpol 250 A1-ECO and A2-ECO models operate at speeds of 30-600 rpm and support both single and central pressure modes. They are compatible with power supplies of 200-240 V or 100-120 V, with a connected load of 2.3 kVA.

Accessories
Additional accessories include clamping rings, working wheels, settling tanks, and connection sets. The machines also offer options for integrating dosing units and sample holders.

Catalog excerpts

Qpol 250 A1/A2-ECO - Automatic Grinding and Polishing Machines-1

AUTOMATIC GRINDING & POLISHING MACHINES The Qpol 250 A1/A2-ECO are single or twin wheel grinding & polishing machines for the materialographic laboratory, suitable for working wheels Ø 200/250 mm. The new holder for the working wheel (singledisc design) enables materialographic sample preparation without carrier disc without compromising performance. The control software allows to edit and save up to 200 preparation methods, protected by a user account management. The process of the current preparation is visualized by a status bar. It is possible to select an additional acoustic signal at the end of each preparation step in the service menu. AUTOMATIC GRINDING & POLISHING MACHINES OPERATING COMFORT SINGLE-DISC DESIGN The ECO grinding & polishing head with adjustable swivelling limits is equipped with recessed grips on both sides and integrated buttons for easy swivelling and adjustment. A large gap between the working surface and the polishing head ensures convenient changing of the sample holder. After removal of the splash protection ring, the working wheel is freely accessible. The wheel is automatically arrested when placed on the new mounting system. On lifting the wheel, all parts below are accessible for easy cleaning.

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Qpol 250 A1/A2-ECO - Automatic Grinding and Polishing Machines-2

The ECO polishing head is equipped with LED illumination of the working area and a holder for the nozzles of the Qdoser ECO dosing system. Water is supplied automatically via the head. The grinding & polishing head ECO exerts 5 - 80 N in single pressure and 20 - 350 N in central pressure mode. Up to 6 samples Ø 40 mm can be moved at variable speed with sample holders Ø 130 mm. SAMPLE HOLDERS The machine is operated and programmed via the 4.3“ touch screen. Preparation methods for sample preparation may be edited and saved. It is also possible to prepare samples manually. OPTIONAL DOSING UNIT...

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Qpol 250 A1/A2-ECO - Automatic Grinding and Polishing Machines-3

BASIC MODULE Qpol 250 A1-ECO/A2-ECO AUTOMATIC GRINDING & POLISHING MACHINES Qpol 250 A1-Eco: single wheel grinder & polisher Qpol 250 A2-Eco: twin wheel grinder & polisher Including polishing head Eco Single and central pressure Variable speed of working wheel and polishing head Working wheel and polishing head: clockwise/ counter-clockwise rotation 4.3“ Touch-Screen with intuitive QATM user software 200 customized programs storable Adjustable swiveling stop position of polishing head Economic LED ilumination Manual water inlet Automatic water supply on the polishing head Basin rinsing tube Aluminium...

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Qpol 250 A1/A2-ECO - Automatic Grinding and Polishing Machines-4

BASIC SET Qpol 250 A1-ECO Order No.: Z5631010 STANDARD SAMPLE HOLDER FOR SINGLE PRESSURE Samples more sample holders as of page 3.61 DOSING BOTTLE Qdoser ONE POLISHING MACHINES OPTION DOSING UNIT Qdoser ECO I see page 3.56 AUTOMATIC GRINDING SPECIFICATIONS Qpol 250 A1-ECO Working wheels Power supply Single pressure Central pressure Sample downforce Connected load Central pressure Single pressure

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