Exposure unit · Machinery & equipment
Screen exposing unit (UV exposure)
6+ suppliers
Light box that exposes emulsion-coated screens through a film positive under UV light to make the stencil for screen printing. Tabletop light boxes suit home units; vacuum LED units with larger glass beds give sharper stencils and faster turnaround for print shops making many screens a day.
Exposure size 4
- 20 x 24 in light box, no vacuum (home unit)
- 20 x 24 in vacuum unit
- 25 x 36 in vacuum unit
- 36 x 52 in, 2 screens at once (production)
Light source 3
- UV LED bars
- UV tube lights
- Metal halide lamp
Spec
- Exposure time
- about 20 s to 3 min, depending on emulsion, mesh and light source
- Contact
- Pressure pad or vacuum blanket with pump
- Glass
- 6 to 8 mm tempered glass bed
- Timer
- Digital timer with memory, auto lamp off
- Power
- about 100 W to 2 kW, single phase 230 V
- Detail
- Fine lines and halftones up to about 85 lpi on vacuum units
- Typical use
- Making screens for garment, bag and paper printing
- Operators
- 1
- Warranty norm
- 12 months; LED or lamps as consumables
- Usual minimum
- 1 pcs
- HSN code
- 84423090
- GST
- 18%
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