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J

anuary

2011

75

S

traightening

& F

inishing

CARTACCI Ltd offers complete finishing

lines, andcurrentlyhas inproductiontwo lines

designed for an important Italian customer.

Increased efficiency through innovation

One line is to be used for the production of

cylinders with diameters up to 235mm, and

the other line is for the production of shock

absorbers with diameters up to 70mm. Both

lines include pointing machine, drawing,

straightening, cutting, chamfering, control,

bundling, drainage, weighing and automatic

wrapping systems.

The equipment has been designed to

limit handling and storage, both to ensure

high productivity and quality of surface finish

and to limit the use of manual intervention of

operators thanks to its entirely computer-

based systems.

Cartacci has also introduced its

straightening equipment to Canada. The

straightening machine and its handling

equipment were designed for welded tubes

with upset ends, with a straightening process

in hot conditions (up to 650°C). Operation of

the straightener is based upon sophisticated

logic and advanced technological solutions.

Cartacci Srl

– Italy

Fax: +39 035 290514

Email:

webmaster@cartacci.com

Website:

www.cartacci.com

SHUSTER-METTLER Corp, USA, is a

manufacturer of tube, wire and shaped

stock straighteners. The company has

developed a series of self-feeding, high

speed straighteners for use in the tubing

industry, to straighten tubing in-line or from

coils.

The Shuster models 2GRS, 3GRS,

4GRS and 5GRS gear driven tube

and bar straigheners do not rotate

the material during the straightening

process, but use eight vertical rolls and

eight horizontal rolls to straighten and

feed the tubing. The four models of

powered straighteners cover thin wall

tubing in sizes from 3.2 to 76mm (0.125"

to 3") outside diameter. Straightening

rolls are precision ground to size, in

order to avoid deforming the tubing

during the straightening process.

The straighteners can be manufactured

for speed ranges to meet the user’s

requirements, up to a maximum production

rate of 300m/min (1,000ft/min). Machines

can also be manufactured to customer-

specified pass-line height.

For continuous straightening, a single

motor and an AC inverter drive is used on

all GRS machines. A servo drive is also

available on these machines, for feeding

precise lengths into a press or other inline

Straightening and finishing machinery and techniques

equipment. The company also manufactures

a complete line of non-powered two-plane

roll type Shuster tube straighteners. 21

models are available, covering thin wall

tubing sizes from 1.1 to 47.7mm (0.045" to

1.875") OD.

Where straightness tolerances are closer

and when feeding smaller tubing sizes from

coils, the company offers rotary type tube

straighteners.

Shuster-Mettler Corp

– USA

Fax: +1 203 562 8525

Website:

www.shustermettler.com

GRS tube straightener from Shuster-Mettler

Cartacci manufactures

complete finishing lines