Roots Vacuum Pump

A variety of vacuum pumps and compressors are used in the woodworking industry. The pumps are also used in woodworking as central vacuum systems; to improve inefficiencies; and to minimize costs associated with hook-ups and special foundations that are no longer needed.

Roots vacuum pumps, or vacuum boosters, are dry vacuum pumps that are used together with backing pumps in a wide range of applications where large pumping speeds are required.

Wood drying

The use of vacuum dryers in conventional wood drying chambers can reduce a typical drying time from several weeks to a mere 3 to 4 days.

Holding and lifting

To ensure safe processing, work pieces are automatically clamped to the processing table using suction heads. A stable and constant vacuum must be generated to ensure that work pieces are held securely in place during mechanical processing.

Preservation

Before or after processing, wood must be protected against the destructive effects of environmental influences such as heat, moisture, insects and micro-organisms. The practice of soaking the wood in a preservative solution is widespread but has the disadvantage that the liquid penetrates only a few millimeters into the wood. Complete protection is possible, however, if the wood is degassed and dried with the aid of a vacuum pump. The preservative agent then penetrates much deeper and optimizes the protective effect.

Paper manufacturing and processing

Pre-Press: Vacuum is required for a variety of applications in the pre-press area, including preparing images and film for scanning or exposure and for copying printing plates. There are also many applications where over-pressure is needed as well, such as for guiding plates or film in automatic systems.

Press: In classic sheet-fed offset presses, vacuum and over-pressure are always needed for paper handling – at the feeder to separate the sheets, to feed the single sheets to the different color-aggregates, or to guide the sheets through the machine. All these applications need different amounts of air at different pressures.

Post-Press: There are a variety of applications in the post-press arena. For example, side-channel blowers for folding and cutting machines; pressure-vacuum pumps and individual vacuum pumps and compressors for collating and book-binding machines; and radial blowers for removing waste paper.