technical data

Belt Edge polishing machine for straight edge and pencil round profile.
Automatic belt edge polishing machine for marble, granite and agglomerate, to create and polish pencil round profiles, flat edges and flat edge plus bevels.
Very simple machine, as to its mechanical components and its electrical and electronic equipments; easy to use and service.

01. features
Donwload catalogue

The exclusive features of a Comandulli machine Spira

  • Conveyor belt width 600mm; driven by speed variator power 1,5Kw;
  • Conveyor belt driven by a stainless steel plane.
  • Pneumatic holding slab pistons.
  • Control board with touch-screen visualized keyboard and pneumatic adjustment placed on the frontal part of the machine.
  • Main covers in stainless steel.
  • Water collecting tank with lateral flows.
  • Tool cooling water flowing outside the spindles and managed by manual valves.
  • Initial and final rollers, length 1 m. each.
  • Manual bar for large-sized slabs support.
  • Control PLC with software which automatically synchronizes the spindle and piston intervention as the slab passes.
  • Colour touch screen
  • Possibility to set the belt speed from control panel.

Le dotazioni

  • Calibrating spindle.
  • Automatic pre-cutting bevelling spindles (n. 2).
  • Series of horizontal spindles to rectify the straight edges (n. 2).
  • Series of bevelling spindles at 45° to make round bevels or bevels at 45° (n. 4 +4).
  • Series of horizontal floating spindles for polishing the straight edges (n. 5).
  • Spindle for upper groove tilting to 45°.
  • Extendible bar to support pieces of big dimensions.
  • Rollers for material loading/unloading


  • Motorized positioning of calibrator or upper groove units.
  • NEW DYNAMIC/SMART BELT SPEED FUNCTION: machine equipped with special software that, during the automatic cycle, varies automatically the belt speed to reduce donwtimes according to the kind working and the tools to be utilised.
02. technical data
Advancing/feed speed (conveyor belt) m/1' 0 ÷ 3
Loading table height mm 950
Abrasive wheels diameter mm 130
Diameter of the gauging wheel mm 210
Water requirement l/1’ circa 150
Air requirement l/1’ circa 180
Power installednza totale installata Kw 33
Dimensions (senza rulliere) m 7,6x2,2x2,6
Weight Kg circa 4.900
03. workings

Una sfida continua

Quando i nostri ingegneri ed i nostri tecnici fanno a gara per superare se stessi, i vincitori siete voi. Sviluppando macchinari superiori capaci di eseguire molteplici lavorazioni con una qualità elevatissima, vi aiutiamo a soddisfare le più svariate richieste dei vostri clienti, appaghiamo la vostra creatività dandovi la possibilità di allargare il vostro business.

lavorazioni optional