TOWER Vertical Edge Polishing Machine For Straight Edges

Automatic multi-spindle belt polishing machines for the execution of round and flat edges on any type of material (marble, granite, composite and cement agglomerates). The range of GMM edge polishing machines includes horizontal and vertical machines able to process thicknesses from 4.5 up to 100 mm. The shaping of the profiles is performed with universal abrasive wheels (avoiding the use of expensive shaped wheels). The machine management is entrusted to an electronic control of the latest generation (operating in 4.0 ready logic) supported by a SW entirely developed by GMM to ensure an easy and intuitive use to the operators. The oscillating bar (which supports the hydraulic motors with the abrasives for polishing) of the Toro bull-nosing machine, is driven by 2 brushless motors in order to guarantee high precision and best quality of the profile. All surfaces are treated with sandblasting, cold galvanizing primer and two-component painting. All the carters are in fiberglass or stainless steel.
FEATURES
MACHINE BED
Strong electroweld, fully worked with numeric control machines. Sanding followed by a cold-galvanized treatment and two successive coats of dual component epoxy paint.
BELT
Three-layer, 30 cm wide belt has a grooved guide on the base to guarantee the maximum adherence of the belt to the line to be worked. Belt gliding surface is ground and covered with a special interchangeable wear-resistant steel plate.
SPINDLES
Standard: identical on all work units. Fitted with a bellows for slide protection and having a double labyrinth seal to protect from water, moisture and dust. To further guarantee the seal, there is a slight internal pressure.
SPINDLE-HOLDER BAR
Polishes the edges, using universal tools. The spindles, each one controlled by its own electric motor (protection IP65), are housed in a sturdy sealed bar which empties the water directly into the tank. The computerized system allows programming by inverter a microoscillation (“swing”) above all on straight, thick fl at edges to increase the work speed and improve the degree of polishing. The abrasive discs used are 130 or 150 mm in diameter.
BEVELLERS
Mounted in opposition at 45° angles, they make a double bevel on the straight edge using a 130 mm diameter abrasive disc. The first pair of bevels has a mechanical stop for the use of diamond tools.
TOUCH SCREEN
Allow to manage all the functions of the machine. In particular it is possible to program the entrance and the exit of each unit to ensure quality and precision on all specific working. Are allowed the partial workings (Optional).
ROLLERS
The machine is equipped with two, 1-meter rollers, one at the entrance and one at the exit, respectively. Each roller is equipped with side rails to prevent the piece from tipping.
TANKS
The machine is equipped with several stainless steel water collection tanks to maintain proper functioning and the duration of individual components.
GUARDS
The external casings are in sturdy fibreglass while the pressing bar and the single unit guards are in stainless steel.
OPTIONAL
Partial bevelling work.
Calibrating.

Parameters	Unit	TOWER 72-74	TOWER 72G	TOWER 74G
No. calibrating/shaping/cutting spindles	nr	1 (Optional)	1 (Optional)	1 (Optional)
Machine overall width	mm	1350	1350	1350
Number of optional bevel spindles	nr	1-2	-	-
Number of dressing/polishing spindles	nr	7	7	7
Min. processing width	mm	45	45	45
Approx. Weight	Kg	2550	2550	2900
Grinding tool diameter	mm	130÷150	130÷150	130÷150
Min. processing thickness	mm	8	8	8
Number of Drip cut unit	nr	-	1	1
Machine overall length	mm	3400	3400	3800
Dressing/polishing spindle power	hp	14	14	14
Max. processing thickness	mm	60	60	60
Automatic management end of abrasive	yes/not	optional	optional	optional
Machine overall height	mm	1600	1600	1600
Number of Bevelling/chamfering spindles	nr	2 (45°)	2 (45°)	4 (45°)

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  edge profiles

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  edge profiling

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  trims