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Vacuum table

These days, the needs of customer for processing the thin substrate by using the PCB prototyping machine increases.
It is suitable to use vacuum table when processing on the thin substrate materials.

Two models of the vacuum tables
MITS handles two kinds of vacuum tables. Please choose one in accordance with
your purpose.

Popular model VT-ABS
Popular vacuum table made of the porous plastic resin. Compliant with the substrate board thicker than 200µm

Items VT-ABS
Working area W x D (mm) 300 x 170 / 229 x 295
The thinnest substrate thickness (µm) 200
Material of the porous surface Plastic resin
Vulnerability Strong
Price Affordable
Compliant model FP-21T, FPZ-31AT
/ Eleven Lab, Auto Lab

The principle of the vacuum table and its advantage

The fundamental principle is shown above.
The advantage is to aspirate the substrate very firmly, instead of fixing them by
Scotch tape.

Material and the surface flatness

The crucial factor in choosing the vacuum table is the thickness of the substrate board.
In case of processing the thin substrate board, you need to choose the vacuum
table whose surface flatness is sufficient. If the surface flatness is bad, it causes
uneven width of the track or penetration of the tools into the substrate board.

In case that the end mill penetrates the substrate, the vacuum table
will not be able to function

When the surface of the porous table gets damaged, the aspiration performance and the flatness become deteriorate. Therefore, in processing the substrate, we recommend that you should avoid drilling and routing and that you should perform the milling not to penetrate the substrate.

Fine Processing

MITS PCB prototyping machines are suitable not only for typical PCB prototyping but also for fine processing of various types of materials.

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