Application

The multiplate grinder with diamond grinding wheel 1 03 12 G permit automatic thining to a determinated thickness of rock bonded on glasses slides.
It is automatic, fast and accurate. It can grind simultaneously up to 20 thin sections 30x45 in a few minutes.
This machine replace the traditional manual techniques. It solves simply, automatically and efficiently the problems of manual sample preparation so familiar to many laboratories.

Description

Samples are stuck onto glass slides and are set on a circular plate which is slightly inclined.
They remain in place simply by adhering to the glazed surface of the plate. They are prevented from moving sideways by a metal frame slightly thinner than the glass-slides.
The plate can take up to 3 slides 140x68. It is individually driven and rotates slowly.
A shaft, rigorously parallel with that of the plate, bears the diamond grinding wheel which can move along its shaft. The thin sections are presented facing the grinding wheel.
Using a sliding gauge, the operator brings the grinding wheel in contact with the samples and activates the automatic feed mechanism. This mechanism, moved by the rotation of the plate, ensures the advance of the grinding wheel. It stops automatically when the is reached. The role of the operator is limited to the desired pre-set thickness so lay out the samples on the plate and to start the machine. No monitoring is necessary. The stop of the automatic feed is indicated by luminous and/or sound indicator.

Performance

When the samples are carefully stuck on identically-calibrated glass-holders, it is possible to obtain thin sections at the requested thickness in a few minutes.

Particularities

This machine is specialized in automatic preparation of the thin section of rock, by grinding. It permits to realize up to 20 samples at the same time. The degree of finish obtained depend on the type of used wheel, and of his grain. We can use diamond grinding wheel with glass binding or metal binding. The choice of the diamond grain is : D91 or D46 for the metal binding, D46 or D30 for the glass binding. The metal binding grinding wheel is used for the roughing, and the glass binding wheel for the finition.
Watering of the wheel is executed thanks to an incorporated recycling system. It ensures the watering and the decantation of water. It is possible to use mains water: a valve on the front permits to switch system.
The adjustment of the final thickness is made by a graduated micrometer in 1/100 mm.
The automatic feed is adjustable from 5 to 20 µ per turn of the plate. The stop of automatic feed is signalled by a warning light and/or audible warning.
The machine uses 1 diamond metal binding grinding wheel grain D91 or D46.

Characteristics

Electrical
Electrical supply: 230/400 V, Three-phase, 50 Hz (please specify when ordering)
Grinder motor: 2 HP
Plate motor: 1/6th HP
Recycling motor: 1/3rd HP.
Power: 1.1 kW.

Recycling: 30L capacity
Water in: Ø12 mm
Water out: Ø30 mm

Capacity
Up to 20 thin sections 30x45 mm

Dimensions

Depth 850 mm
Width 830 mm
Height 1300 mm
Weight 190 kg.

Standard composition

• 1 standard sample holder for 20 slides 30x45 or
12 slides 30x40 + 4 slides 45x60
• Service tool set
• First service spare parts

Option

• Diamond glass binding grinding wheels grain D30 and D46