Bao Lai chooses Breton for its marble machining requirements

Bao Lai Investment JSC is established in 2010 focusing on mining and processing of Vietnam white marble to meet the demands of construction materials like ornamental and artistic white marble, the company provides services domestically as well as internationally. The company's customers are located all over the world: America, Europe, India, China, and the Middle East.

Bao Lai aims to become one of Vietnam's leading manufacturers specialized in processing of white marble within the Vietnam territory, the company has been developing nine mines in Luc Yen district, Yen Bai province and two processing factories, also in Yen Bai province.
 

To better meet the needs of its customers, Bao Lai has invested in the most advanced and innovative technology available on the market by purchasing a complete Breton marble processing plant.
 

The complete Breton plant comprises:
- 6 BM for Breton Gang saws for cutting blocks
- 1 slab polishing line
- 1 gauging/cutting/polishing line for marble tiles

- 1 epoxy resin treating plant for slabs
- 1 slabs honing, filler application and polishing line
- 1 Worthy 600 CNC bridge saw
- 1 Waterjet Classica CL 510 waterjet cutting machine
- 1 Comet Bellani for Breton edge polishing machine
- 1 Contourbreton NC300 K26 contouring machine
- 1 Fuego Multiaxis CNC shaping machine
- 1 Contourfive NC 1200/HD 5-axis CNC machining centre

In the production cycle, the marble blocks are cut by 6 BM for Breton gang saws and the resulting slabs are forwarded to one of the following three production processes:
- polishing only
- resin treating and polishing
- honing, filler application and polishing.

Finally, HD photos are taken of the slabs and saved in the company's digital archive.
These slabs are ideal for applications in high profile projects that call for impeccable quality of the machined surface.

The slabs are initially sawn in the fabshop on a Worthy bridge saw and then on a Waterjet Classica for curved cuts, the edges are then finished on a Comet edge polishing machine; finally, they are transformed into kitchen tops and other finished components on the Contourbreton NC300 K26.

The NC1200/HD Contourfive 5-interpolated axis machining centre and the Fuego Multiaxis shaping machine are used to process large size components and parts with complex shapes made from single marble blocks.

For more information on Breton machines, please write to mail@breton.it.

Thank you for your attention.
See you soon!
Sergio Prior

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Bao Lai Investment JSC, BM for Breton, Contourbreton NC300, Contourfive, Fuego Multiaxis, Waterjet Classica CL 510, Worthy 600

Breton NEW machines at 51° MARMOMACC

Good morning,

We look forward to meet you from Wednesday, 28^th September at: Pav. 4 - stand A6-A7-A8-B6-B8-C7-C8.

Here is a list of the machines that Breton will exhibit in a more than 1.400sqm wide area:

1 - NEW LUXMASTER KF5000 
The innovative polisher for marble slabs.

2 - NEW SMARTFLEX
The 3-spindle CNC cutting center.

3 - NEW CONTOURBRETON NC 300 EVO
The contouring machine for kitchen countertops, ideal for small workshops.

4 - NEW WORTHY OPTIMA
The bridge saw with suction cups that needs no foundations.

5 - COMBICUT DJ/NC 550 
2 machines in 1: disk+waterjet.

6 - WATERJET CLASSICA
The 5-axis waterjet saw. 

7 - BM for Breton
The marble gangsaw with block raising system.


That’s all for now, thank you for your attention.
Best regards.
Bye-bye
Sergio Prior

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BM for Breton, breton machines, luxmaster, Marmomacc

BM for Breton - Diamond-bladed saw for marble with block raising

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.

Entirely  made and assembled in Italy with european  parts and first-rate international components. 

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 RELIABILIT Y, 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 ar ticu- lated 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.

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 inver ter 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.

  
SLIDING BLADE HOLDER
The blade holder is made of steel plates joined solidly together, each of which has a section of 800 x 600 mm, and slides on straight ar ticulated guides that are practi- cally maintenance free.

FLY WHEEL 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.

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 suppor ted 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 per fectly rectilinear on the guides without any deviation.

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.

For info and price of BM for Breton marble gang saw write to mail@breton.it.
We’ll get back to you promptly.
Well, that’s all for today, thanks for your attention.
Bye-bye 

Sergio Prior

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BM for Breton, Diamond-bladed saw, marble block, marble gang saw