Einhell BT-MR 550 [20/116] Clean and degrease the tapered shank 18 and spindle 4

Einhell BT-MR 550 [20/116] Clean and degrease the tapered shank 18 and spindle 4
20
GB
7.2.2 Routing
The rotational speed can be calculated as follows:
n = v / (x d )
n = rotational speed in min
-1
v = cutting speed in m/min
d = tool diameter in m
= 3.14
The values for the cutting speeds and maximum
cutting depths for the relevant material are given in
the list below or in a book of tables.
7.3 Clamping the tools (Figs. 3,4,6-8)
Only tools, clamping fixtures or tool chucks with
Morse taper MK3 and internal thread M12 may be
used to ensure positive fixing in the work spindle.
Reducing bushes must not be used!
7.3.1 Clamping tools in the work spindle
Switch the machine off and unplug the power
plug.
Remove the spindle guard (15).
Clean and degrease the tapered shank (18) and
spindle (4).
Now insert the tapered shank (18) into the bush of
the work spindle (4). Important: To avoid injury,
always use a cloth to hold the routing cutter!
To fix the work spindle in position, insert the
locating pin (17) into the side of the spindle bush.
To fix the tapered shank in position, tighten the tie
rod (19) using an open-end wrench (SW17). The
tie rod must be screwed into the taper mandrel
with about 8 turns (clockwise) of the wrench.
Important: Always secure the tool or the drill
chuck with the tie rod in order to prevent the tool
from working loose.
Remove the locating pin (17).
Reattach the spindle guard (15).
7.3.2 Removing the tool from the work spindle:
Switch the machine off and unplug the power
plug.
Remove the spindle guard (15).
To fix the work spindle in position, insert the
locating pin (17) into the side of the spindle bush.
Loosen the tie rod by turning the open-end wrench
(SW17) anticlockwise.
Loosen the tapered shank (18) carefully by gently
tapping the draw bar (19) with a rubber hammer
and remove it from the spindle bush. To avoid
injury, always use a cloth to hold the routing cutter!
Reattach the spindle guard (15).
7.3.3 Handling the drill chuck
Only cylindrical tools with the stipulated maximum
shaft diameter may be clamped in the drill chuck
(9). Only use a tool that is sharp and free of
defects. Do not use a tool whose shaft is
damaged or which is deformed or flawed in any
other way. Use only accessories or auxiliary units
that have been approved by the manufacturer.
Insert the shaft of the tool all the way into the drill
chuck (9) and tighten it using the supplied chuck
key.
Pull out the chuck key. Ensure that the clamped
tool is firmly seated.
Important: Do not leave the chuck key in. Doing
so will cause the chuck key to be catapulted out,
which could cause injury.
7.4 Clamping the workpieces
Important: Workpieces must always be clamped
tightly! This is important both for your own safety and
for the work results. If the workpiece is not clamped
tightly, it could be torn out by the feed force of the
routing cutter and catapult out.
The best thing to do is to use a machine vice (not
included in delivery). The machine vice can be
secured firmly to the compound table of the machine
using tightening screws and slide blocks. Before
tightening the screws for the last time, use a dial
gauge to make sure that the machine vice is aligned
Material
Tensile
strength
cutting
depth
a [mm]
Cutting speed
v [m/min]
Cutting
depth
a [mm]
Cutting speed
v [m/min]
0,5 70 - 50 1 200 - 150
3 50 - 30 6 100 - 70
10 30 - 20 10 70 - 50
0,5 45 - 30 1 150 - 110
3 30 - 20 6 80 - 55
10 18 - 12 10 55 - 35
0,5 30 - 20 1 110 - 75
3 20 - 15 6 55 - 35
10 18 - 10 10 35 - 25
- - 1 75 - 50
- - 3 50 - 30
- - 6 30 - 20
0,5 90 - 40 1 160 - 80
3 75 - 30 3 120 - 60
0,5 45 - 35 1 100 - 80
3 35 - 25 3 90 - 60
10 20 - 15 10 60 - 40
0,5 40 - 30 1 100 - 70
3 30 - 20 3 70 - 50
0,5 70 - 45 1 240 - 190
3 60 - 40 3 190 - 140
6 40 - 20 6 140 - 80
0,5 60 - 40 1 150 - 100
3 50 - 35 3 100 - 60
6 35 - 20 6 70 - 45
0,5 180 - 160 0,5 700 +
3 160 - 140 3 600 - 400
6 140 - 120 6 500 - 250
1 140 - 100 1 400 - 200
6 120 - 80 6 300 - 150
- - 1 200 - 120
--6150 - 50
3 150 - 100 3 450 - 350
6 120 - 70 6 350 - 250
3 100 - 55 3 400 - 300
6 55 - 35 6 30 - 200
Hard metalHigh-speed steel
Copper
alloys
200 - 400
400 - 800
Aluminium
alloys
60 - 320
320 - 440
440 +
Blackheart
iron
350
White
malleable
iron
350 - 400
Free-cutting
steel
700
Gray cast
iron
200
200 - 400
Gen.
Structural
steel; tool
steel; case-
hardened
and
tempered
steel; cast
steel
500 - 700
700 - 900
900 - 1100
1100 - 1400
Anleitung_BT_MR_550_SPK7:_ 28.02.2011 10:08 Uhr Seite 20

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