Sandstone Calibrating Machine in Italy

CAL 160 calibrating-polishing machine has been developed and carried out for calibrating and polishing marble strips or sized tiles and for removing possible defects coming from previous processes, in order to give to the product a homogeneous thickness and visual agreability. This machine is equipped with 1 vertical spindle, which mount 1 x Ø 700 calibrating cup with a removable crown to which the diamond-studded tools are welded, and 2 polishing spindles supporting 2 x Ø 700 plates.
The height adjustment of the calibrating spindle is made individually, it is electrical and visualized, while the polishing spindles work by compressed air. All the spindles lift automatically when there is no material on the belt. Belt speed is adjustable by means of a speed variator.

Zenit is the a 3 interpolated axes CNC polishing / calibrating machine with automatic tools change, for the treatment of marble, granite and agglomerate surfaces. It allows to calibrate, polish, smooth, brush and also drill, to perform engravings, straight and curvilinear cuts with incremental passes by means of diamond milling tools.

It is an extremely flexible machine, ideal for those who need a complete equipment to treat even particularly delicate surfaces or to finish mosaics or inlays.

Its strength lies in the dual-control system of pneumatic and mechanical handling of the polishing and calibrating tool; the result is an extreme precision with excellent performances on any material.

As a consequence of a request to increase the production capacity, SIMEC has developed completely new spindles and calibrating heads. This is how the FX series was born, calibrating machines with 688 mm diameter operating heads, with 8 diamond rollers.

The LM RS models are marble polishing machines with mobile bridge, where the transversal movement of the bridge integrates with the circular motion of the spindles to ensure excellent polishing quality through plates equipped with abrasive or diamond tools. The LM RS machines are available in different width sizes and several versions, depending on the number of the spindles installed.

Machine for calibrating and polishing marble and travertine strips. It is available with a number of calibrating and/or polishing heads varying according to the needs. All the versions with polishing head are equipped with movable beam with adjustable width and speed. Available working width: 650, 800 and 1000 mm. Independent calibrating heads with cast iron structure, polishing heads rising and lowering driven through double pneumatic piston. Spindles ROTOR and counterpressure system are standard equipment on all polishing heads.
CONTINUOUS BELT POLISHING MACHINE FOR MARBLE, TRAVERTINE AND STONES. This highly efficient machine has been designed for thickness gauging and polishing of strips with trimmed ends and max width dimensions 650 mm. The selection of the operational elements which form Supernova B065MV, their top level efficiency and reliability are the result of an experience which has matured throughout the technological evolution of more than 1,000 polishing machines manufactured in the past 25 years by Pedrini. The new Supernova B065MV, reinforced with exclusive technology, achieves top production speeds, whilst reducing consumption, maintenance and depreciation.
All components have undergone structural inspection through the FEM (Finite Element Method). The structural component surfaces are protected with three coats applied after sandblasting, while the small parts undergo a cataphoresis corrosionproofing treatment.
The polishing plates are driven through patented ROTOR spindles, that have been built as mono block systems with controlled vertical sliding. ROTOR spindles direct drive system avoids radial stress on the spindle bearings, increases their life signifi cantly whilst saving about 15% of the absorbed energy and does not need maintenance. The mono block system has the centre of gravity on the spindle rotation axis and its considerable weight, that is controlled by counter-pressure, stabilizes polishing plate action. quality with the lowest tool consumption. The ROTOR spindles are equipped with an easyto-use individual device for the precision centring to the processing plane. The polishing plates, that are utilized within optimal operative conditions, realize the best polishing

Operation
Automatic cycle machine for the polishing of alternative materials by means of polishing heads mounted along the axis of a mobile beam. Slabs profile continuous reading at the entry for the automatic programming of the heads rising/lowering and for the programming of the beam stroke according to the slabs width. Set of no-contact sensors at the entry.
Conveyor system
One motorized roller, one idle roller, a conveyor belt with inverter for the conveyor speed.
Spindle group Rotor for polishing head
Vertical movement driven by means of a pneumatic system, with adjustable pressure and counterpressure. Spindle group realized with a single body, which includes the coaxial motorization and pressure control. Device for automatic lifting when belt stops and device for the head stop when tool is worn out.
Polishing head
Pedrini Antishock head, with 7 tilting arms for tools having Fickert connection. Covers for the heads access manufactured with composite material, crashing proof, oxidation proof, ergonomics shaped.
Mobile beam
Mobile beam moved by means of systems pinion/rack, driven by means of motors controlled with inverter. Sliding in oil bath by means of rollers on tempered steel guides, covered by means of fixed safety guards. Mobile front guard with automatic rising system for the abrasives replacing.
Controls
Controls by means of a Computer with graphical interface, touch screen managed.