BM for BRETON
اره ماربل با تیغه الماسه همراه با باالبر بلوک Diamond-bladed saw for marble with block raising
FA-EN
BM FOR
اره ماربل دقیق ،سریع و مطمئن
BRETON RELIABLE, PRECISE AND FAST MARBLE GANGSAWS
THE FAMOUS BM GANGSAW, CUSTOM-BUILT FOR BRETON DOUBLE WARRANTY THE MOST WIDELY-USED MARBLE GANGSAW IN THE WORLD UNBEATABLE RELIABILITY, REQUIRING VERY LITTLE MAINTENANCE FAST & PRECISE SAWING
BM FOR با استفاده از قطعات و محصوالت درجه اول شرکتهای اروپایی تماما” در ایتالیا ساخته و مونتاژ می شود.
BRETON ENTIRELY MADE AND ASSEMBLED IN ITALY WITH EUROPEAN PARTS AND FIRST-RATE INTERNATIONAL COMPONENTS The “BM FOR BRETON” diamond gangsaw for sawing blocks of marble or other limestones, with a system that lifts the block as it’s sawn. THE FAMOUS BM GANGSAW, CUSTOM-BUILT FOR BRETON: A tried and tested BM gangsaw, custom built by BM to meet Breton’s own specifications. DOUBLE WARRANTY: The Warranty and After Sale Service are provided directly by Breton to the end user, with the back-up of BM. THE MOST WIDELY-USED MARBLE GANGSAW IN THE WORLD: Thousands of BM gangsaws have been built and it is without a doubt the most widely used gangsaw in the world. UNBEATABLE RELIABILITY, IT NEEDS VERY LITTLE MAINTENANCE: The BM gangsaw has made its name for unbeatable reliability and low maintenance as it adopts traditional and time tested mechanical solutions such as the kinematic blade frame traversing system, consisting of straight articulated guides; a strong and simple solution. FAST, PRECISE SAWING: Precise sawing thanks to the rigidity and well sized steel frame with 4 columns that constantly guide the block lifter platform as it rises. Sawing is fast thanks to the 800 mm saw travel running at 90 strokes per minute and the high-mass, large diameter flywheel that adjusts the driving force.
صفحه باالبر بلوک
THE BLOCK-LIFTER PLATFORM The platform on which the block trolley rests during sawing is placed between four columns and is lifted by 4 x 90 mm diameter worm screws, with a 12 mm trapezoidal thread. The four worm screws are fastened to the platform. The platform is lifted through the rotation of the lead screw nuts fitted on the top of the column, in a properly protected position. The nuts are turned by a system of bevel gears, drive shafts and inverter motor. This special solutions extends the service life of the lead screw nuts. The platform moves precisely up on 4 slides (2 flat slides and 2 prismatic slides) fixed to the columns and plated with a thick coat of chrome to guarantee a long working life. The horizontal level of the platform is constantly checked by a device that stops the gangsaw if the platform tilts.
THE BLOCK-LIFTER PLATFORM
GLI SCORRIMENTI DEL QUADRO PORTALAME Il quadro portalame è costituito da piastroni di acciaio rigidamente collegati tra loro, aventi ciascuno una sezione di 800 x 60 mm. Il quadro portalame scorre su guide rettilinee articolate le quali sono praticamente esenti da manutenzione.
Stroke 800 mm
نگهدارنده کشویی تیغه
SLIDING BLADE HOLDER
واحد فالی ویل
FLYWHEEL UNIT The unit weighs 12 tons and consists of a cast iron flywheel, a 280 mm diameter flywheel drive shaft made of high tensile steel and two cast iron supports with adjustable roller bearings inside. The 3,300 mm diameter flywheel weighs 8 tons, and guarantees a constant cutting speed, thanks to the high ratio between the inertia of the rotating masses and the inertia of the masses with an alternating movement. The two bearings of the flywheel shaft are held by two carriers designed to make them easy to check, adjust or replace the bearings, without having to demolish the reinforced concrete foundations. The 110 kW motor drives the unit through seven 480 mm belts with a low friction coefficient. A hydraulic joint on the motor drive shaft, assists gangsaw start-up and reduces energy consumption.
FLYWHEEL UNIT
THE MOST RELIABLE SYSTEM WITH TWO CONNECTING RODS The two cranks on the flywheel drive two connecting rods which transfer the movement to the blade holder. The connecting rods are made out of a machined steel monobloc and are supported by bearings running in an oil bath. The system with two connecting rods provides clear and time tested advantages over a single connecting rod system: • All the power and the mechanical thrust transferred to the blade holder are shared between two connecting rods instead of just one. • The two connecting rods fixed to the ends of the blade holder help guarantee the movement, that remains perfectly rectilinear on the guides without any deviation.
سیستم با دو شاتون
THE SYSTEM WITH TWO CONNECTING RODS
SIMPLE TO USE A circuit of steel gangways with railings and access steps makes it easy for operators to get around the machine. The control panel has a color touch-screen, which is used to program the machine and control the work phases. ELECTRONIC PROGRAM: An optional electronic program can also be supplied, which automatically adjusts the downfeed on the basis of the type of material being sawn. This system automatically regulates the downfeed speed according to the electrical power absorbed, allows the operator to set different downfeeds based on the block heights and also set the heights where the machine stops for preparing the wedges. AUTOMATIC STOP SYSTEM AND SLAB BREAK SENSORS: An automatic quick stop system is available as an optional feature. The system powers the motor with reverse current, slowing it down up to a standstill in 20 seconds. The quick stop system is activated by the sensors which checks the slab hasn’t broken while being sawn.
BM BM FOR BRETON TECHNICAL SPECIFICATIONS /
) ( Maximum block dimensions (length-height-width)
cm
BM/80
BM/100
320 x 200 x 200
320 x 200 x 250
80
100
90
85
800
800
110
132
11
11
500
500
507 x 1.315 x 500
557 x 1.315 x 500
10
10
47.000
50.000
88
88
n
maximum no. of blades
n/min
Strokes per minute
mm
Blade holder travel
HP
Main motor power
kW
Block raising motor power
mm/h
Slow down-feed max. speed ( ) Overall dimensions (width x length x height)
cm
l/min
Water requirements for each blade Machine mass (approx)
(
Average level of equivalent sound pressure
)
kg
dbA
BM/80
cm
BM/100
cm
A
B
C
1.315
507
500
1.315
557
500
Breton S.p.A. reserves the right to improve the products specifications and design, even during the execution of contracts. Therefore, every fiÂgure supplied, has to be regarded as an indicaÂtive and approximate figure.
All right reserved. Any unauthorized reproduction, publication, execution, loan, or other public performance of this catalogue is peremptorily forbidden and may constitute civil responsibility. Trespassers will be prosecuted by law.
Breton S.p.A. Via Garibaldi, 27 31030 Castello di Godego (Treviso) Italy tel. +39 0423 7691 fax +39 0423 769600 e-mail: info@breton.it www.breton.it
Breton, ISO 14001 certified, guarantees the control on the environmental impact of its activities, trying systematically to improve them in a logical, efficient and affordable way.