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Vacuum is one of the most effective
methods to hold down parts for CNC cutting or machining. There are two
general strategies for the use of vacuum in holding parts during
cutting or machining with a CNC router. You can either create seals
around specific areas to be vacuum clamped in a “Conventional”
manner, or you can draw air through a broad area of a permeable
bleeder board to create a more “Universal” vacuum.
[Click here to read more about the distinction between Conventional
and Universal vacuum.] The vacuum systems that we sell and that
are described here are for "universal vacuum." When you
purchase a universal vacuum, in addition to the
vacuum blower, you will receive components of a plumbing system that
you attach to the pump and your table. In addition, you will need to
machine the plenum into your table (files are included in the
software) and then cover the plenum with a sacrificial bleeder
board such as Ultralite MDF.
[Read Vacuum Instructions for a more complete understanding of these
systems and their installation.]
 Universal Vacuum
Hold Down Systems
(These are not dust collection systems)
Becker Rotary Vane Vacuum Pump - Becker Model
VTLF 250 SK, 173 CFM Open Flow, 25in Hg Maximum Vacuum, 10/7.5 HP/kw,
[Spec
sheet - pdf] More info available at
www.beckerpumps.com
PRICE $9,080 16.9hp Regenerative Blower - 13"Hg@140CFM
w/pump, motor starter, PVC kit, filter, relief valve, vacuum gauge,
208v, 230v, or 460v; 3 Phase; 82dBa. (#14707)
16.9hp Regenerative Blower; PRICE $6,595
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