Angle Grinder operates in harsh conditions.
October 21, 2003 -
Model R1000 Heavy Duty 4½ in. Angle Grinder features die-cast gearbox and 8 A motor, which allows grinder to operate in dusty, abusive jobsite conditions. Motor has auto-stop brushes that halt grinder's operation when brushes are worn, before they damage motor. Automatic safety clutch protects user from sudden kickback if wheel accidentally binds. Grinder includes spindle lock, 2-position side handle, and 12 ft cord with lighted plug.
(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)
Original Press release
RIDGID
400 Clark St.
Elyria, OH, 44035
USA
Ridgid® Introduces a Heavy Duty Angle Grinder to Last a Lifetime
EML motor, automatic safety clutch, auto-stop brushes
(Elyria, Ohio) The new RIDGID® Heavy Duty 4-1/2" Angle Grinder (Model R1000) has been developed for professionals who need a powerful angle grinder that is fully featured and able to handle the toughest jobs day in and day out.
The R1000 has a die-cast gearbox to handle jobsite abuse, and features a powerful, state-of-the-art 8 Amp Extended Motor Life (EML) motor (10,000 rpm). The EML motor is German designed and engineered to the tightest tolerances imaginable, which allow it to operate in extremely dusty, abusive jobsite conditions - and last a lifetime (see EML fact sheet attached).
The motor also has RIDGID auto-stop brushes. Unlike normal accessible brushes, which must be inspected for wear and replaced before they can damage the motor, the auto-stop brushes halt the drill's operation when the brushes are worn, but before they can damage the motor, eliminating the need to inspect them.
This 4-1/2" angle grinder also features an automatic safety clutch, usually only found on the most expensive, industrial-level grinders, which protects the user from sudden kickback if the wheel accidentally binds. It also has a spindle lock for quick, easy wheel changes and a two-position side handle for added versatility.
The angle grinder includes RIDGID's exclusive cord package, which features a 12-foot all rubber power cord, providing extra reach without an extension cord. The rubber cord is more durable than a plastic cord and stays flexible in cold weather. The cord also has a lighted plug, which confirms when the tool is "live," featuring a backlit icon of the tool for easy identification. This feature also reduces confusion on busy jobsites where many tool cords are often plugged into one central power strip. Finally, a Velcro(TM) cord wrap organizes the cord neatly for storage, eliminating knots and tangles.
The angle grinder comes with a removable auxiliary side handle, wheel guard, grinding wheel, flange, clamp nut, spanner wrench and case.
RIDGID® power tools are designed to serve the needs of professional contractors and woodworkers, who demand maximum power and superior durability. Packed with high-performance features, RIDGID power tools enhance productivity, enabling professionals to accomplish work more quickly, accurately and with less effort. Robust materials and rigorous engineering maximize the tools' power, heighten user comfort, and promote longer tool life. RIDGID power tools carry a 90-day satisfaction guarantee and a limited three-year warranty.
RIDGID® is a registered trademark of Ridgid, Inc., part of Emerson Professional Tools, a business of St. Louis-based Emerson (NYSE: EMR). The tools are designed and manufactured by OWT Industries, Inc., a wholly owned subsidiary of TechTronic Industries Company Limited (TTI) (HKEx stock code 669; ADR symbol TTNDY).
RIDGID® professional power tools are available at The Home Depot in the United States, Canada and Puerto Rico, as well as in industrial supply centers across the United States. For more information on RIDGID tools, go to www.ridgid.com or for customer service call 1-800-4-RIDGID (1-800-474-3443).
RIDGID R1000 Heavy Duty 4-1/2" Angle Grinder
Features
o Powerful Extended Motor Life (EML) motor
o Die-cast gearbox
o Automatic Safety Clutch
o Auto-Stop Brushes
o RIDGID cord package
Motor
o 8.0 Amp, 120-volt Extended Motor Life (EML) motor
o 10,000 rpm (no-load speed)
Capacities
Spindle thread: 5/8" x 11
Weight 4.8 lbs
Accessories
o Carrying case
EXTENDED MOTOR LIFE
The RIDGID® EML(TM) (Extended Motor Life) series features a German designed and engineered motor, manufactured to the tightest tolerances imaginable, to keep working even in the dustiest conditions. This motor features:
o Gear teeth, which are laser-tested to a tolerance of 1/2000 of an inch
o High-performance double dust-sealed ball bearings
o A case-hardened, precision armature shaft, tested for 100 percent true running to 1/1000 of an inch
o Connection wiring, tested at an acceleration of 30 G's - that's 30 times the force of gravity (an F-16 can pull 9 G's)
o A specially designed winding protection grid, which keeps dust and grit out of the motor
o Special wire insulation that provides up to 12 layers of protection
o Glass-fiber epoxy resin, which insulates the copper wire, allowing it to withstand temperatures over 600 degrees F
o A high-grade copper commutator, fitted to within a 10 micro mm measuring tolerance
These built-in protections make the EML(TM) motor last up to five times longer than other motors, even in the most abusive conditions.
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