Nitto Kohki HB-15B, Instruction Manual

Page: 7 / 10

6
(2) Loosen Hex. Socket Head Set Screw 6x8 with a
Wrench. Take out an Indexable Insert.
Fig.9
Butting portion
Holder
Hex.Socket Head Set Screw
6
× 8
Indexable Insert
(3) Remove chips. Insert the Indexable Insert into
the Holder, paying attention to the shape of the
Indexable Insert. Fix the Indexable Insert with the
Hex. Socket Head Set Screw 6 x 8. (Fig.10)
Fig.10
Surface Plate or Flat Plate
Holder
Hex.Socket Head Set
Screw 6
× 8
Indexable Insert
R e c o g n i z e t h a t t h e d o w n w a r d e d g e s o f t h e
Indexable Inserts are exact on the flat surface of the
Holder. Bad alignment may cause breakage of the
Indexable Inserts. (Fig.11)
Fig.11
Bad example
5-2. How to Replace the Holder
(1) Separate the Motor Unit from the body as shown
in Fig.12. (Remove the Clamp Lever and then
remove Hex. Socket Head Bolt 8 x 30 on the back
side for this purpose.)
4 HOW TO OPERATE THE TOOL
WARNING
●
Always wear suitable eye protection, suitable
hearing protection, protective gloves, and
respiratory protective equipment.
4-1. Start and Stop
CAUTION
●
Always be sure the unit is in the OFF position
before plugging the power cord into an outlet.
Placing the switch in the ON position initiates
operation. Turn the switch to the OFF side to stop
operation.
4-2. Feeding Speed
Operate it at an appropriate speed (30cm/min for
mild steel 7C chamfering). If the work surface is
burnt, it means the feeding speed is not appropriate.
Operation at high feeding speed or with shock will
cause damage to the Indexable Inserts or the tool.
If cutting chips are burnt at the appropriate speed,
visually check the wear condition of the Indexable
Inserts and replace it with a new one if worn.
4-3. How to Operation
Hold T Handle and Sub Handle tightly.
Press the tool to a workpiece slowly and move with
arrow direction shown in the rating plate.
5 HOW TO REPLACE THE INDEXABLE
INSERTS AND THE HOLDERS
WARNING
●
Be sure to turn the switch OFF and remove
the power plug from power supply whenever
replacing the Indexable Inserts and the Holders.
●
The Indexable Inserts and the Holders are much
heated right after the operation. Always wear gloves
in handling the Indexable Insert and the Holder.
5-1. How to Replace the Indexable Inserts
(1) Remove Hex. Socket Head Bolt (Fig.7) and pull it
out to the direction as shown of the arrow. (Fig.8)
Hex.Socket Head Bolt
6
× 25
Plate Guide
Fig. 7 Fig. 8