Electric Grinders and Accessories
General Information
Electric tool drives are universal “all-rounders”.
Equipment/Special features
Advantages
In relation to their size and weight they offer
■■Smooth start up:
■■Compact, ergonomic design and shape.
a high performance. They are particularly suit-
The electronically-regulated Smooth start
■■Low weight.
able for use with grinding tools that require a
up ensures a jolt-free start-up preventing
■■Technologically up to date.
constant RPM.
machine mear.
■■High power output.
■■Versatile use.
Application
■■Under voltage protection/restart protection:
■■Simple power supply.
Electric grinders can be used for nearly every
Should the power supply fail, PFERD electric
■■Low-maintenance.
application. They are successfully used in many
grinders do not start up again inadvertently.
■■Easy to service.
industries for different processes. The stepless
Only after they have been switched off and
■■Cost effective.
electronic speed adjustment allows the use of
on again will the machine restart.
various types of tools on one single machine.
Electric grinders are not suitable
■■Current limiting/blocking protection:
■■for boiler construction
On double nominal current input, the grind-
■■or in very dusty conditions.
ers switch off for approx. 0,2 seconds. By
The PFERD product range
removing the load, the grinder is able to
PFERD provides a wide range of electric
take up the inital RPM again.
straight, angle, belt and drum grinders. PFERD
electric grinders are of the highest techno-
■■Temperature overload protection:
logical standard and accord with the latest
When a critical temperature is reached, the
ergonomic knowledge and requirements.
safety electronic system switches into cool-
They were specially developed for economic
ing mode. The machine must not be placed
under loads when in cooling mode. The
use of grinding, milling, brushing, cut-off and
polishing tools, and cover a broad range of
machine will only start at the set working
RPM after it has been switched on and off.
speeds (750 - 33.000 RPM) and power outputs
(500 - 1.500 watts). PFERD electric grinders
have an electronic speed control for constant
RPM values.
Standards, safety,
Large knurled,
general information
Compact housing for
easy-to-lower handle
PFERD electric machines bear
low noise levels
RPM control
for longer life
■■the CE symbol,
■■are totally insulated and comply with
protective class II.
PFERD electric machines comply with
■■the EC Machinery Directive,
■■EC Low-Voltage Directive and
■■Electromagnetic Compatibility.
National regulations must be
Non-slip
High motor output
Lockable
observed.
rubber grip
on/off switch
Criteria for selecting the optimal electric grinder
The most important prerequisite for cost effec-
1. Design, shape and size
3. Power output
tive work is the selection of an optimal tool.
Every type of application places specific de-
The tool drive‘s power output is the deciding
Then a suitable drive can be choosen. Please
mands on the shape and size of the tool drive.
factor for maintaining the RPM under load.
take the following into consideration:
The different designs can be used for various
The load is determined from the material to be
applications: The ideal drive should be selected
machined, cutting capability of the tool and
for the task in hand depending on the dimen-
the grinding pressure.
sions, accessibility, type and frequency of the
4. Tool adapter
application.
Depending on the PFERD tool you have se-
2. RPM
lected, different tool adapters are available e.g.
The tool drive should always be selected ac-
collets or threaded spindles. Every machine is
cording to the RPM and cutting speed recom-
allocated with matching tool mounts. Please
mendations for the tool.
refer to pages 94-95 for an overview of the
Please refer to catalogues 202 - 208 for these
collets and spindle extensions.
recommendations.
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Program

PFERD sajam 2016

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Tel: +381 21 504 272
504 273; 504 274
Fax: +381 21 504 272



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