Crossover return benders, Hairpin bender, Straightening and cutting, Manifold drilling, Automatic brazing, Tube cutoff-bending & Coil bender

Benders and Expanders

Development of crossover return benders for air conditioning and heat exchangers

Crossover

The Crossover (CRO) is a special return bender and it may be used for a wide range of tubes processing and it may be totally automatic or semiautomatic. It is characterized by a high productivity, flexibility of production and simple management. It produces crossovers, return bends, bent elbows and straight tubes starting from coils in copper, aluminum and other materials. According to the diameter and the material in use it is possible to have from  1 to 3 tracks.

Production capacity
 N° 3 return bends/cycles and 7 cycles / minute
 N° 2 return bends/cycles and 6 cycles / minute
Set-up time

Change diameter of tooling (full set up): about 35 min.
Change of tube thickness: about 5 min.      
Change diameter of bends for crossovers: about 15 min.
Change of bending diameter: about 10/15 min.   
Change of bending angle for elbows (0 to 180°): about 5 min.

 


Tube Decoiler
Non rotating type, side by side configuration. Pre-arranged for the application of kits for the use  of coils without carton flanges.

 

COIL WITH CARDBOARD

COIL WITH CARDBOARD

Max coil weight

440 lb/200 kg

440 lb/200 kg

Max outside diameter of coil

3.75 ft/1.145 mm

3.75 ft/1.145 mm

Max width of coil

13.78 in/350 mm

 13.78 in/350 mm

Inside diameter of coil

5.11in/130 mm

 23.6in/600 mm


Calibrating unit
Due to the limited length of crossovers, bends and elbows, the tubes are only calibrated by rolling wheels.


Feeding unit
The feeding of the tube is obtained through the translation of two pliers of which one is fixed and another one is mobile, by hydraulic drive that keeps the tube in position.


Cutting unit
The cutting unit uses an high speed saw installed on a moving carriage driven through an hydraulic cylinder guided by columns tempered and grinded moving on coupling boxes with re-circulating ball screws.


Bending unit
An hydraulic cylinder drives the bending unit who makes the variable bending shape guided by an adjustable cam.


Device for bending mandrels lubrication
During the bending phase a lubrication device ensures the correct amount and distribution of the oil inside the bends. The lubrication is automatic and independent for each track.  


Temporized distributor of grease
A centralized and temporized distributor of grease lubricates each mechanical part subjected to friction under operation.  


Mechanical and electrostatic filter for residues and smokes (upon request)
An extractor sucks the smokes and residues through mechanical pre-filters, while the smallest particles are retained by an electrostatic filter. This device is mandatory for installation within EU Countries.  


Collection unit
An inclined plan conveys the crossovers, bends or elbows on a collection container.  


Control panel
The control panel allows the programming and the control of the machine's functionalities. A clear set of symbols makes easier the use of the machine for the operator; in the manuals supplied with the machine there are cases of malfunction that can be verified, together with an accurate description about their troubleshooting.  


Safety
The Crossover return bender is equipped with a safety guard and thus intrinsically safe; the opening of the guard places automatically the machine under safety conditions.

Crossover return benders, Expander, Manifold drilling, Tube end closer, Automatic brazing, Tube cutoff-bending and Coil bender

CMS Italy Srl - Benders, Expanders and Special Machines - Via dell'Industria, 37/A - 36045 ALONTE (Vicenza) ITALY
P.Iva IT02040500247 - Tel. +39 0444 720411 - Fax +39 0444 835561 - E.mail: info@cms-italy.com - Privacy