HOUFEK BULDOG 7-3M-1100-RRC 43” Three Head Widebelt Sander

HOUFEK | BULDOG 7-3M-1100-RRC 43″ THREE HEAD WIDEBELT SANDER

Proven sanding performance with the power of a BULDOG.

The Houfek BULDOG 7-3M-1100-RRC 43” Three Head Widebelt Sander was designed for those requiring simplicity, reliability, and quality in their sanding applications. It is equipped with two longitudinal calibrating sanding heads and 1 combination drum/platen finish sanding head. With this configuration you have a versatile sanding machine which can do it all.

Why Houfek BULDOG 7-3M-1100-RRC 43″ Three Head Widebelt Sander

Robust welded steel frame
18 kW motor on first head, and individual 15 kW motors on second and third heads
Adjustable sanding units (upper part of machine)
Flanged drive motors for drive of working units are mounted on the bottom of machine frame to minimize floor space requirements
Variable feed speed

CONFIGURATION

3 sanding units – Roller / Roller / Combination-head.
1st Roller – Rubber – 90 shore @ 200mm dia.
2nd Roller – Rubber – 90° shore @ 2000mm dia.
3rd Roller – Rubber – 45° shore @ 200mm dia. with adjustable platen.
- Electropneumatic lifting of all rollers & platen from the control panel.
Oscillating abrasive belt cleaning device, timed, (all heads).
Automatic Star Delta switch.
Amp meters for each sanding unit.
Optoelectronic sensors for sanding belt oscillation.
Automatic feed belt tracking.
Mechanical limitation of maximum stock removal.
Panel cleaning device, motorized with 100mm diameter dust port connection.
Motorized height adjustment of the sanding units (machine opening)
ELGO P40 Machine control:
- Automatic adjustment of machine opening to set position.
- Electronic measuring of table position with digital display.
- Digital display of feed belt speed.
- Automatic adjustment of sanding unit to set position.
- Electronic height correction by abrasive belt grit rating.
Work piece thickness measuring
All sanding heads are equipped with emergency braking system. The system uses compressed air to release the brakes. In the event of loss of compressed air to the machine the power to the motors is stopped and the braking system is activated by a spring system. This system is very simple and reliable.
Vacuum table with blower and silencer to hold small parts onto the feed belt.
3 infeed and 2 out feed rubber pressure rolls.
Canadian electrical package including CSA components.
Electrical inspection for operation in Canada/USA.

SPECIFICATIONS

Sanding width	1100mm
Work piece height	3-160mm
Sand belt size	1120 x 2620mm
Conveyor feed speed	Variable feed speed 3-15 m/min Via electronic frequency inverter.
Table motor	0.18 kW
Main motor 1^st head	18 kW
Motor 2^nd head	15 kW
Motor 3^rd head	15 kW
Voltage	460/3/60
Exhaust outlet	4 X 180mm 1 X 100mm (Panel Cleaning Brush)
CFM requirements	approx. 6700 (Cubic Meters Per Hour)
Weight	approx. 3100 kG
Floor space	2,610 mm L x 1,715 mm W x 2,010 mm H

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