I've spent some stupid amount of money on my new modular duct(about $2000 AUD), very fast to install and can be reused, still require 2 persons to do it, no welding and silicon required, everything locks together nicely, the thickness of the duct is about 0.7mm, the ducting are made in Denmark by JKF Industri
some basic info:
20inch impeller, 4kw motor, 1450RPM, bag house unit by Holytek
main duct size: 250mm (should I have used 200mm like BobL said?)
sander dust hood: 150mm
total distance from sander to fan inlet: 3m (vertical+horizontal)
combination machine dust hood: 3 x 100mm
total distance from combination to fan: 6-7m (vertical+horizontal)
experience to date:
· the suction for the wide belt sander is very strong with the original dust hood(150mm) only, I tried with a secondary duct/hood(150mm) at the back of the sander, the suction on the top hood decreased quite a lot.
· the suction for the 3x100 is considerably weeker... the suction is not affected with WBS original dust hood blast gate being opened or closed, any thoughts?
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some basic info:
20inch impeller, 4kw motor, 1450RPM, bag house unit by Holytek
main duct size: 250mm (should I have used 200mm like BobL said?)
sander dust hood: 150mm
total distance from sander to fan inlet: 3m (vertical+horizontal)
combination machine dust hood: 3 x 100mm
total distance from combination to fan: 6-7m (vertical+horizontal)
experience to date:
· the suction for the wide belt sander is very strong with the original dust hood(150mm) only, I tried with a secondary duct/hood(150mm) at the back of the sander, the suction on the top hood decreased quite a lot.
· the suction for the 3x100 is considerably weeker... the suction is not affected with WBS original dust hood blast gate being opened or closed, any thoughts?
photo 1.jpg
photo 2.jpg
photo 3.jpg
photo 4.jpg
photo 5.jpg
photo 7.jpg
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