11 107 - 11 110
11 500 - 11 600 / 12 020 - 12 060
13 250 / 14 260 / 15 260
14 100 / 15 220
14 220 / 15 124
17 020 - 17 042
17 115
17 253 - 17 255
19 150 / 19 192 - 19 312
19 422 / 19 452 / 19 721 / 19 740
19 436
19 662
19 721
19 802 - 19 860
INCONEL, HASELLOY, NIMONIC, INCOLOY
Heat treated steel 1000 - 1500 N/mm
Cast steel
Gray iron
Cooper, bronze, tin bronze
Red bronze
Aluminium bronze
Cast from Al alloys
Al 99 %, thermoplastics, plastic materials
11 301 - 11 420 / 12 010 - 12 020
19 063 - 19 083 / 15 142 / 16 142
ČSN
Material
Coolant
oil
content %
10-15
10
10-15
5-10
3
10-15
10-15
5-10
15
5-10
5-10
3
No coolant
15-20
5
3
15-20
5
40
25
3
10
10-15
No coolant
No coolant
Arm feed speed
into cut in mm/min
o 100-290 mm
55-20
30-20
35-25
28-15
28-15
55-30
12-4
18-2
6-1
30-25
20-8
21-10
14-5
4-2
16-6
21-10
4-2
23-12
55-25
140-55
85-55
70-45
70-45
55-30
140-55
o 0-100 mm
190-60
125-35
125-38
125-30
125-30
190-60
75-15
100-20
40-7
125-35
120-25
90-23
62-15
25-5
70-1
90-23
25-5
76-25
190-60
450-150
300-90
230-75
230-75
190-60
450-150
Recommended band speed
in m/min for
o 100-290 mm
70-90
40-70
50-70
40-60
30-60
60-80
30-40
30-50
30
40-70
30-60
30-50
30-40
30
30
30-50
30
30-40
30-60
80-90
60-90
60-90
30-60
30-70
50-80
o 0-100 mm
70-90
50-80
60-90
50-70
50-70
60-90
40-50
40-50
30-40
60-90
50-70
40-60
30-40
30
30-40
40-60
30
40-50
30-70
80-90
70-90
70-90
40-70
40-80
50-90
Generally
Free machining steels
Structural steel
Case-hardening steel
Spring steel
Bearing steels
Alloy steel
NIRO steels
Ventil steels
Heat-resistant steels
Heat treatment steels
Simple steel
Alloy steels
Hammer materials
Nitriding steels
Tool steels for in heat work
Rapid steels
6.5. Factors influencing band life
The band size / tooth size has not been appropriately selected for the workpiece • The band speed and the arm lowering speed into
the cutting position are not appropriately selected • The band (the whole arm) bears against the material when the band is not in
cutting position • The clamping of the profile material does not comply with the recommendation • The band is not correctly tensioned
• The band is not correctly adjusted to the guide wheels (the band is driving against the wheel shoulders) • The guide head of the band
is in a too big distance from the workpiece • Insufficient oil content in coolant • Incorrect running-in of the band • Insufficient
maintenance of the bandsaw, insufficient cleaning of the arm from chips
The above-mentioned shortcomings cause inaccuracy of the cut and a substantial reducing of the band life and/or its
destruction.
6.6. Recommended values for cutting
The values depend on the material class and its profile. Table of cutting speeds is only informative, in specific ranges it must be adapt
to given material. ČSN numbers are informative and determine the material characteristics for which is the band type given.
6.4. Running-in the bands
The running-in applies to new bands. The high cutting power is possible because of the sharp cutting edges with extremely small
edge radii. In order to achieve the maximum tool life, it is necessary to run in the band to the optimum. Depending on the correct
cutting speed and the workpiece feed and its material quality the band must be run in only within 50 % of currently used feed. In this
way the breaking of extremely sharp edges particularly with bigger sections of the work pieces will be avoided. These micro-
fragments cause the destruction of further teeth. Should vibrations or sounds due to vibrations manifest itself when a new band has
been put on, slightly reduce the cutting speed. In small workpiece sections it is recommended to run in the band with a reduced power
for 15 minutes, in big sections for 30 minutes. Then increase the feed slowly to the optimum value.
Correctly run-in cutting edge
Micro-fragments with great speed
of initial feed
Observe the band
running-in in any case!
