... iron , and gantry is cast aluminum , working table is aluminum T-slot (height is 20mm).2. ... collector, helping to suck the dust, milling dust, rotary axis for cylindrical materials, DSP offline control system, ... humidity:30%-75%References:Other parts:vacuum working table(adapt to the MDF cutting and some ... omly use this handle)Rotary axis the forth axis in this machine, (and using this could engraving the ...