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Weber KSF-3-1350

WEBER KSF-3-1350 (CMC) Precision/Cross Sanding Machine
with 3 sanding belts for high-quality fine, veneer, and high-gloss sanding.
Features a constant working height in the following design:

Machine Frame
- Heavy steel welded construction to accommodate three sanding units and workpiece cleaning components (including workpiece blow-off). Electrical control cabinet is integrated into the frame.
- Constant infeed height of 900 mm
- Operator- and sanding belt change side is on the left (infeed direction)
- Heavy-duty height adjustment via spindle gear
- High-quality transport table with conveyor belt
- Infinitely variable feed speed from 3–18 m/min, frequency-controlled
- Conveyor belt with vacuum system, including 1 vacuum blower (5.5 kW) and a vacuum channel up to the top edge of the machine
- Safety devices in accordance with CE standards
- Electrical equipment in compliance with VDE
- Doors on both sides of the machine; belt change side fitted with safety switches and inspection window for monitoring belt oscillation
- Includes infeed and outfeed tables with rubber-coated rollers

Unit 1:
Sanding units designed for two-shift operation.
- Belt run-off switches on wide belts, linked to oscillating mechanism
- Automatic sanding belt length compensation
- Non-contact optical sanding belt scanning with self-cleaning function on belt change side
- Oscillation setting on belt change side
- Wear-free DC braking system
- Extraction hoods with optimized airflow to comply with TRK values
Unit 1: Cross-belt unit featuring:
- Pressure lamella belt with felt and graphite for long service life
- ISD segmented pressure beam system with 11 mm workpiece detection and 44 mm pressure segment width
- Workpiece-controlled sanding belt air jet device

Unit 2: CBF Combination Unit featuring:
Iajdpfsy A D Eijx Allor
- Grooved rubber contact roller, Ø 130 mm, 60 Shore hardness
- Cross-running lamella belt with separate 4.0 kW drive
- ISA segmented pressure beam system with 11 mm workpiece detection and 22 mm pressure segment width (counter-rotating)
- Workpiece-controlled oscillating sanding belt air jet device

Unit 3: Cross-belt unit featuring:
- Pressure lamella belt with felt and graphite for long service life
- ISD segmented pressure beam system with 11 mm workpiece detection and 44 mm pressure segment width
- Workpiece-controlled sanding belt air jet device

Control
Operator terminal "SIEMENS" MP 377 12" Multi-Panel
- Graphical operator interface via 12" color touchscreen
- Program memory for up to 300 programs
- All parameters adjustable via program

- WANDRES Micro-Cleaning (single brush version)
Powered sword brush with integrated micro-moistening of the linear brush (for optimal paint dust removal)

Technical Data:
Working width: 1350 mm
Drive unit 1 (frequency-controlled Eco-Drive): 15 kW
Drive unit 2 (frequency-controlled Eco-Drive): 20 kW
Drive unit 3 (frequency-controlled Eco-Drive): 15 kW
CBF drive: 3 kW
Vacuum blower drive: 5.5 kW
Feed drive (frequency-controlled): 3.0 kW
Height adjustment drive (frequency-controlled): 3 kW
Sanding belt speeds (frequency-controlled): Approx. 3 – 20 m/s
Cross belt sanding belt size (W x L): 2 x 150 x 5100 mm
Wide belt sanding belt size (W x L): 1370 x 2620 mm
Workpiece thickness (min./max.): 4–140 mm

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