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T ECHNICAL INFORMATION New Tool
Models No. 906 Hanger
Description The 6 mm Die grinder
CONCEPTION AND MAIN APPLICATIONS
This machine is the powerful type grinder for the
grinding stone equipped with 6 mm shaft, developed Cap
as the sister version of the model 903 for use in Spindle
grinding various dies, removing burr in casting
and grinding at narrow space.
Colette nut
Shaft-mounted
grind stone 19-60 Switch
Specifications [Appearance layout of model 906]
Voltage Current Frequency Consumed power
Single-phase 100V 2.5 A 50-60 Hz 240 W
No load speed 25,000 R.P.M./min
Size 283 mm x 65 mm(Overall length x Outer diameter)
Functional size Colette dia. 6 mm
Weight 0.9 kg
Cord length 2.5 m
Standard equipment
Wheel point 19-60(plane type)
Wheel point 19-60(corn type)
Spanner 10
Spanner 17
Dressing
Optional accessories
*No special accessories(Since the grind stone and rotary cutter are commercially available)
Features and benefits
(1) The light weight like 0.9 kg and the shape for easy-to-grip provide the high working efficiency.
(2) The steel cover mounted on the edge for protecting from damage and the fine edge construction enable the
application in the narrow space.
(3) The double insulation structure allows the safe working against an electrical shock.
(4) The hanger is attached for easy storing.
The standard equipment for the tools shown may differ form country to country
Capacity
Normal load current : When the plane and corn type shaft-mounted grind stones 19-60(19:Outer dia., 60:particle
size) are used, 2-2.2 A of the load current in grinding the baked steel is within the rated value. The rotary cutter
13(mainly used for finishing the aluminum, copper and casting products using the tool of edge cutter with outer
dia.13 mm) can also generate the same capacity.
[Reference] The shaft-mounted grind stone(normally attached) - The grinding test of baked products of SK4 shows
little grinding abrasion and good grinding effect. The clogging has been made in the grind stone in grinding the
normal steel material.--- The grind stone should be replaced for grinding the normal steel material.(See the article
8.)
Stop against falling
Repair Loosen
Disassemble in the following orders. Motor case
(i) If disassembled in order of Hanger =>Colette nut =>Pan
head screw(4 pieces)=>Cap(Since parts for protecting
dropping is attached, unless the pan head screw is loosened, it Cap
Direction of seal Direction of seal
cannot be disconnected.), the motor case is
separated into two sections, each structure parts
(armature, spindle, carbon brush) can be disconnected.
(ii) Spindle(armature)
Disassemble in the order shown on the figure. Insert the 2.bearing into
Spring pin
up to the position of the step difference of spindle and strike the spring
pin in a way that the both ends protruded will be even. 608LB 627LB
(iii) For assembling , proceed in the reverse orders against disassembling.
(Use care that the lead wire is not locked together.) Direction of seal
Direction of seal Evenly
Step difference Greasing
1 2 3 4
Selection of shaft-mounted grind stone Spring pin 608LB Circle clip
(i) Use wheel point capable of enduring against the circumference speed of 25,000 R.P.M/min. for this machine.
The normal commercially available wheel point is 19 mm or less in the outer diameter.
(ii) Never use the shaft-mounted wheel point for the drill since it does not have enough strength.
(iii) Select the best particle size and shape for the wheel point depending on the applications.
Particle size Color of Property of particle Applicable
of grindstone size of wheel point Applications
grindstone wheel point
Rough grinding of
Ultramarine blue High in toughness and Soft steel and According to JIS
A
or brown a little low in hardness Carbon steel etc. A46PV
Slightly low in
White or orange toughness and a little Grinding of baked WA60NVor
WA high in hardness steel and special
color steel WA60PV
(a little hard)
Grindingof
Harder and lower in casting products,
C Black toughness than A, WA non-metal and -
grind stone stone material
Shapes(examples of representatives)
1 2 3 4 5 6 7 8 9 10 11