TECHNICAL DATA:

·       Working width

1350 mm

53”

·       Working thickness

4 - 170 mm

¼ – 6½”

·       Abrasive belt size

1370 x 2620 mm

53” x 103”

·       Variable Feed speed 

3.5 - 18 mpm

11 - 60 fpm

·       First unit motor 

30Hp

·       Second unit motor 

30Hp

·       Third unit motor

30 HP

·       Feed belt motor

4Hp

·       Work table positioning

0.3 kW

0.4 Hp

·       Compressed air pressure

6 bar

90 psi

·       Compressed air consumption

40 NL/min

2 cfm

·       Dust extraction velocity

20 mps

65 fps

·       Dust extraction volume

3180 m³/h

1872 cfm

Standard Equipment 

·       Welded structural tubular steel frame

·       Infeed table w/ variable feed speed

o        5 infeed and 1 driven / 4 idle outfeed rollers

o        Natural (live) rubber profiled conveyor top

o        Powered thickness adjustment 

o        Infeed pressure roller w/ anti kick-back system

o        Automatic conveyor belt tacking

o        Automatic break on all units

·       Grooved steel contact roller 175 mm (6 7/8”) diam. 

·       Rubber coated contact roller 220 mm (8 5/8”) diam.65 sh. 

·       Combination Sanding Head

o   Rubber covered contact roller 175 mm (6 7/8“) 45 sh.

o   Platen made of extractable bar (density D=0.68)

o        Steel backed felt pad w/ graphite cover

o        Pneumatic abrasive belt tensioning

·       Micrometric height adjustment on all units

ELECTRICAL DATA:

·       460V – 3 Ph – 60 Hz 

·       Safety switches on all hinged doors

·       Automatic Star-delta Start

·       Overload protection

·       Main switch lock out

·       Automatic Disc Braking System

o        Pneumatically operated

o        Failsafe design

·       Infeed feed roller system

o        Anti kick-back system

o        Protects operator

·       Pressure rollers

o        Rubber covered

o        Before and after sanding unit 2

o        Insures positive feed into contact roller

o        Securely holds work-pieces

·       Automatic Feed Belt Tracking

o        Electronically controlled

o        Pneumatically operated

o        Continuous tracking

o        Over tracking override

·       Pneumatic on/off  Positioning

o        In lieu of manual positioning

o        For all three Units

·       Fox 150 ST control

o   2 lines LCD display and dust-proof membrane keypad with LED integrated signals.

o   Automatic sequential main motor start-up

o   Control of 3 operating heads

o   Control of the working height

o   Control of on/off positioning and synchronized raise /fall of the platen and sanding rollers

o   Control of 2 inverters ( feed conveyor and/or operating units)

o   Control of sanding belt speed

o   Control of panel cleaning roller and cleaning blowers with rotating nozzles

o   Control of vacuum table start-up

o   Reverse rotation control of one sanding belt

o   Start up and timed control of the abrasive belt cleaning blowers and panel cleaning blowers with rotating nozzles

o   Machine control in manual, semiautomatic or automatic mode with 4 working programs, customizable and easily selectable by means of 4 function keys

o    Machine alarm control

o    Machine activity report(working hours/machine on hours)

·       Ridged Extractable Platen

o   Independent platen segments that push the felt platen in contact with the panel 

o   Included two platens (rigid & semi-rigid) for sanding solid wood and veneer

·       Oscillating Pneumatic Blowers

·       Fixed Panel cleaning roller at outfeed

o   Cleaning roller diameter 150 mm or5.9”

o   1 horsepower motor

o   Height adjustment

o   Dust extraction hood

o   Outfeed rubber coated pressure roller

Machine Dimensions – LIBRA 55 RRTC 135

H

L1

L2

L3

2390 mm (94”)

1345 mm (52.95”)

2580 mm (101.57”)

1900  mm (74.80”)