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LÖWER DSM 2004 Video

Number of sanding units: 4 pcs
Sanding width: 190 mm
Maximum sanding height: 180 mm
Control system: yes
Weight: 3,300 kg
Dimensions (L x W x H): 2,600 x 920 x 1,890 mm
Extraction port diameter: 2x180, 2x120 mm
Double-sided sanding machine Löwer DSM 2004
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4-belt sander + disc unit from above/below

Manufacturer’s description:
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Double-sided four-belt solid wood sanding machine for sanding
timbers such as window scantlings, etc.
Highly robust top specification with innovative details. Suitable for demanding continuous operation, even with higher material removal rates.
- Sequentially arranged sanding units for coarse, fine, and finish sanding,
each from above and below
1st belt sanding unit with heavy steel roller
2nd belt sanding unit with rubber-coated roller and pad
3rd finishing unit with fibre brush (see special equipment below)

- Directly driven sanding rollers for slip-free power transmission
- Maintenance-free and wear-free CERMET-coated sanding pads with
excellent heat conductivity and precise dimensional accuracy
- External cooling of sanding zones for cooler sanding and increased
belt service life
- Positive-driven, pneumatically controlled sanding belt oscillation
- Effective dust extraction directly at the sanding rollers
- Fine dust extraction at tension rollers
- Integrated brushing and finishing device with large dust extraction system
- Motorised sanding thickness adjustment via precision lead screws and
large linear ball bearing sets on hardened and ground precision shafts with dust and dirt protection
- Adjustment of material removal on the lower side via precision lead screw
with scale ring display (resolution 0.1 mm)
- Sanding belt tensioning via pneumatic cylinder with constant tension
- Sanding belt change via pneumatic belt release in seconds
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- Adjustable sanding belt tracking during belt change
- Electropneumatic compressed air monitoring
- Infeed safety via contact roller for oversized workpieces
- Workpiece feed via calibrated, non-slip conveyor belts
over heavy cast iron tables with finely planed surface and spring-loaded
pressure rollers with fine adjustment
- Cardan shaft drive for smooth, even workpiece feed
- Feed drive motor with stepless speed 4-20 m/min
- All motors electrically protected
- Ergonomically arranged controls
- Digital thickness display (resolution 0.1 mm) with modern magnetic tape system

Technical data:
- Sanding belt speed: 22 m/s
- Sanding belt length: 1,800 mm
- Sanding belt width: 200 mm
- Working width: 190 mm
- Sanding thickness: 2–180 mm
- Four brake motors for drive: 5.5 kW
- Feed motor: 1.5 kW
- Feed speed: 4–20 m/min
- Automatic height adjustment: 0.37 kW
- Two brush units with fibre brushes D 120 x 200 mm, each 0.37 kW
- Extraction ports: 2 x 180 mm, 2 x 120 mm
- Extraction air speed: 20 m/s
- Pneumatic connection: 6 bar
- Working height: 870 mm
- Length (with soft disc 2,740 mm): 2,600 mm
- Length with control unit (with soft disc 3,035 mm): 2,985 mm
- Width: 880 mm
- Height: 1,910 mm
- Weight: approx. 3,300 kg
- Operating voltage: 400 V, 50 Hz, 3-phase
- CE conformity

Equipped with the following options:

- 4-belt sanding belt blow-off
via nozzles directly at the radii ...

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