Page 27 - MetalForming January 2020

Non-Woven Abrasive Discs for Variety of Finishing Applications
Pferd has introduced the Polinox fiber- backing disc, designed for long service life while working on large surfaces with variable-speed angle grinders. Non-woven abrasive flaps with fiberglass backing enable face-down finishing work. Using aluminum-oxide A abrasive, the disc is well-suited for manufacturing via a range of products, such as hand pads, drums, discs, belts, mounted points and grinding wheels. Its abrasive properties are tailored to a variety of metal machining and grinding applications.
Polinox discs feature the same con- struction as Pferd’s PNZ and PNL flap wheels and finishing drums. Interleaved discs (PNZ type) come in two different grits while radial discs (PNL type) come in three different grit sizes. The PNZ type will create a coarser surface finish and
of copper, the heat from small particles of weld spatter that hit the face of the welding square are quickly conducted away, thereby preventing bonding of the materials. This keeps the sides and edges of the square clean, true and free from spatter buildup, thus protecting alignment accuracy. As copper also is corrosion- resistant, the plated squares ensure a durable and long-lasting product lifespan, according to company officials.
The squares are available in four models for the secure and accurate holding of sheet stock or tubing in a variety of angles, including 30, 45, 60 or 90 deg. Mounting holes are provided for fixturing the squares into jigs, and a large finger hole enables simple setup and removal of the square from a metal surface. Also offered: a covered magnet face for simple removal of fuzz iron that may have attracted to the magnet.
Industrial Magnetics, Inc.: www.magnetics.com
remove more material than the PNL type. Both discs are available in two arbor diam- eters: 41⁄2 and 57⁄8 in.
Pferd Inc.: www.pferdusa.com
Copper-Plated Magnetic Welding Squares Resist Spatter
Industrial Magnetics, Inc. recently intro- duced a new line of copper-plated magnetic welding squares that resist corrosion and prevent weld spatter from sticking to their surfaces.
Due to the highly conductive properties
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