Promotech BM-16 User manual

ul. Elewatorska 23/1, 15-620 Białystok, Poland
Phone: [phone], Fax: [phone]
www.promotech.eu e-mail: [e-mail]
OPERATOR’S MANUAL
B
BM M- -1 16 6
BEVELLING MACHINE

Contents
1. GENERAL INFORMATION............................................................................................... 3
1.1. Application................................................................................................................. 3
1.2. Technical data............................................................................................................ 3
1.3. Design ....................................................................................................................... 4
1.4. Equipment included ................................................................................................... 5
2. SAFETY PRECAUTIONS.................................................................................................. 6
3. STARTUP AND OPERATION........................................................................................... 8
3.1. Installing and removing the milling head .................................................................... 8
3.2. Adjusting the bevel parameters.................................................................................10
3.3. Adjusting the guide for bevelling with radius..............................................................11
3.4. Preparing..................................................................................................................11
3.5. Operating..................................................................................................................12
3.6. Replacing the cutting inserts.....................................................................................13
3.7. Replacing the roller...................................................................................................14
3.8. Replacing the brushes ..............................................................................................15
4. ACCESSORIES...............................................................................................................16
4.1. Guide for bevelling pipes...........................................................................................16
4.2. Anti-scratch guide sticker..........................................................................................18
4.3. Worktable fixture.......................................................................................................18
4.4. Radius insert positioner.............................................................................................22
4.5. Milling tools...............................................................................................................23
5. SPARE AND WEARING PARTS......................................................................................24
6. WIRING DIAGRAM..........................................................................................................25
7. DECLARATION OF CONFORMITY.................................................................................26
8. QUALITY CERTIFICATE..................................................................................................27
9. WARRANTY CARD..........................................................................................................28

BM-16
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1. GENERAL INFORMATION
1.1. Application
The BM-16 is a bevelling machine designed to mill edges of plates and pipes made
of steel, aluminum alloys, brass, or plastics.
Depending on the milling head used the machine allows bevelling workpieces
with a thickness of at least 1.5 mm (0.06’’) at the angle of 20°,22.5°, 27.5°,30°, 37.5°,
40°, 45°, 50°, 55°, 60°, or 65° to the maximum bevel width of 16 mm (0.63’’).A radius
milling head allows bevelling with a radius of 2, 3, 4, or 5 mm. The minimum diameter
of a hole to be machined is 40 mm (1.57’’).
An optional guide allows bevelling pipes, sticker protects aluminum workpieces
against scratches, and worktable fixture allows bevelling small workpieces.
1.2. Technical data
Voltage
1~ 220–240 V, 50–60 Hz
1~ 110–120 V, 50–60 Hz
Power
2200 W
Rotational speed (without load)
1800–5850 rpm
Protection level
IP 20
Protection class
II
Maximum bevel width (b)
16 mm (0.63’’, Fig. 1)
Bevel angle (ß, depends on the
milling head used)
20°, 22.5°, 27.5°, 30°, 37.5°, 40°, 45°,
50°, 55°, 60°, 65° (Fig. 1)
Minimum workpiece thickness for bevelling
1.5 mm (0.06’’)
Minimum hole diameter
40 mm (1.57’’)
Edge radius
2 mm, 3 mm, 4 mm, 5 mm (Fig. 1)
Noise level
More than 70 dB
Vibration level
2.3 m/s2(7.5 ft/s2)
Machine harmful for health. Take
periodic breaks during operation.
Required ambient temperature
0–40°C (34–104°F)
Weight (without milling head)
10 kg (22 lbs)
Fig. 1. Bevel dimensions

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1.3. Design
Fig. 2. View of the BM-16
Speed adjustment dial
Handle
Handle
Spindle lock button
Switch lock
ON/OFF switch
Guide
Clamping
screw
Milling head
Guiding roller
Sleeve
Air vents
585 mm (23’’)
241 mm (9.4’’)
156 mm (6.1’’)

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1.4. Equipment included
Bevelling machine
(without milling head)
1 unit
Plastic box
1 unit
5 mm hex wrench
1 unit
14 mm hex wrench
1 unit
32 mm flat wrench
1 unit
Operator’s Manual
1 unit

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2. SAFETY PRECAUTIONS
1. Before beginning, read this Operator’s Manual and complete proper occupational
safety and health training.
2. Use the machine only in applications specified in this Operator’s Manual.
3. The machine must be complete and all parts must be genuine and fully operational.
4. The specifications of the power source must conform to those specified on the
rating plate.
5. Never carry the machine by the cord and never pull the cord because this may
damage it and result in electric shock.
6. Untrained bystanders must not be present near the machine.
7. Before beginning, make sure that the correct is the condition of the machine,
power source, power cord, plug, control components, and milling tools.
8. Keep the machine dry. Exposure to rain, snow, or frost is prohibited.
9. Keep the work area well lit, clean, and free of obstacles.
10. Never use near flammable liquids or gases, or in explosive environments.
11. Use only tools specified in this Operator’s Manual.
12. Never use tools that are dull or damaged.
13. Install the cutting inserts and milling head securely. Remove adjusting keys and
wrenches from the work area before connecting the machine to the power source.
14. Never use the machine in upside down position with the milling head facing up.
15. If the cutting edge of the insert is worn, rotate the insert in the socket by 90° or
180° or, if all possible to use edges are worn, replace with a new insert specified in
this Operator’s Manual.
16. Before every use, inspect the machine to ensure it is not damaged. Check whether
any part is cracked or improperly fitted. Make sure to maintain proper conditions
that may affect the operation of the machine.
17. Always use eye and hearing protection, non-skid footwear, and protective clothing
during operation. Do not wear loose clothing.
18. Using the spindle lock button while either operating the machine or removing the
milling head is prohibited because this may damage the machine.
19. Do not touch moving parts or metal chips formed during milling. Prevent objects
from being caught in moving parts.

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20. After every use, remove metal chips from the machine, especially from the milling
head. Never remove chips with bare hands. Clean the machine with a cotton cloth
without using any agents.
21. Cover steel parts with a thin anti-corrosion coating to protect them from rust when
not in use for any extended period.
22. Maintain the machine and install/remove parts and tools only with the machine
unplugged from the power source.
23. Repair only in a service center appointed by the seller.
24. If the machine falls from any height, is wet, or has any other damage that could
affect the technical state of the machine, stop the operation and immediately
send the machine to the service center for inspection and repair.
25. Remove from the worksite and store in a secure and dry location when not in use.

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3. STARTUP AND OPERATION
3.1. Installing and removing the milling head
Unplug the machine from the power source. To install the milling head, place it on the
spindle (1, Fig. 3), and then press and hold the spindle lock button 2and tighten the
head using the 14 mm hex wrench (3). Next, remove the nut (4) and assemble the
roller with the pivot pin using washers (5), and then place the roller on the milling head
(6), press and hold the button 2,and tighten the roller with the 5mm hex wrench (7).
Use such a number of washers to keep a little gap between the roller and the cutting
inserts (8). The number of 0.5-mm and 0.1-mm washers needed depends on the
milling head used.
Fig. 3. Installing the milling head
2
1
3
6
7
5
8
CORRECT
✓
INCORRECT
(collision
between
roller and
cutting insert)
INCORRECT
(too large gap
between roller
and cutting
insert)
Washers
unused
Distance
washers
4

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Adjust the gap between the roller and the cutting inserts every time you replace the
milling head. Place all unused washers between the pivot pin and the roller.
To remove the milling head, loosen the clamping screw (1, Fig. 4), and then
unscrew the sleeve (2) and remove it (3). Next, press and hold the button 4, and then
use the 5 mm hex wrench (5) to unscrew the roller, and remove it (6). Lock the
spindle with the 32 mm flat wrench (7, do not use the spindle lock button 4because
this may damage the machine), and then use the 14 mm hex wrench to unscrew the
head (8), and remove it (9).
Fig. 4. Removing the milling head
7
2
1
6
9
8
3
5
4

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3.2. Adjusting the bevel parameters
Unplug the machine from the power source. Next, loosen the clamping screw (1,
Fig. 5), rotate the sleeve (2) in such a way that the scale 3shows the required bevel
height ‘a’ (Tab. 1), and then re-tighten the screw.
Fig. 5. Adjusting the bevel parameters
Milling head
20°
22.5°
27.5
30°
37.5°
40°
45°
50°
55°
60°
65°
Height ‘a’ [mm]
Width ‘b’ [mm]
1
1.1
1.1
1.1
1.2
1.3
1.3
1.4
1.6
1.7
2.0
2.4
2
2.1
2.2
2.3
2.3
2.5
2.6
2.8
3.1
3.5
4.0
4.7
3
3.2
3.2
3.4
3.5
3.8
3.9
4.2
4.7
5.2
6.0
7.1
4
4.3
4.3
4.5
4.6
5.0
5.2
5.7
6.2
7.0
8.0
9.5
5
5.3
5.4
5.6
5.8
6.3
6.5
7.1
7.8
8.7
10.0
11.8
6
6.4
6.5
6.8
6.9
7.6
7.8
8.5
9.3
10.5
12.0
14.2
7
7.4
7.6
7.9
8.1
8.8
9.1
9.9
10.9
12.2
14.0
8
8.5
8.7
9.0
9.2
10.1
10.4
11.3
12.4
13.9
16.0
9
9.6
9.7
10.1
10.4
11.3
11.7
12.7
14.0
15.7
10
10.6
10.8
11.3
11.5
12.6
13.1
14.1
15.6
11
11.7
11.9
12.4
12.7
13.9
14.4
15.6
11.5
12.2
12.4
13.0
13.3
14.5
15.0
16.3
12
12.8
13.0
13.5
13.9
15.1
15.7
13
13.8
14.1
14.7
15.0
Tab. 1. Relation between bevel width and height of the available milling heads
1
2
3

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3.3. Adjusting the guide for bevelling with radius
Unplug the machine from the power source, and then in the manner described before
loosen the clamping screw and rotate the sleeve to set the surface 1(Fig. 6) on the
same level as the radial cutting edge 2. You can also use an optional radius insert
positioner to set the guide properly. Next, re-tighten the clamping screw, and then
bevel a test edge and readjust the position of the guide if necessary.
Fig. 6. Guide adjusted for bevelling with radius
3.4. Preparing
Install a milling head with cutting inserts, and set the required bevel parameters.
Then, use the speed adjustment dial to set the speed corresponding to the type of
the workpiece (Tab. 2).
Material type
Rotational speed
Aluminum, brass, plastics
Setting 6
(5850 rpm)
Structural steel of standard quality, quality steel
Settings 3–5
(3100–4500 rpm)
Tab. 2. Recommended rotational speeds
The speed adjustment dial allows continuous control of the rotational speed in
the range of 1800–5850 rpm (settings 1–6). The relations between the setting and
speed are as follows: setting 1–1800 rpm, 2–2400 rpm, 3–3100 rpm, 4–3800 rpm,
5–4500 rpm, 6–5850 rpm.
When using structural steel of standard quality or quality steel, set the speed to
setting 4and decrease the speed if intensive sparking occurs during operation.
2
1

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3.5. Operating
Connect the machine to the power source and place the machine on the left side of
the workpiece in the manner shown in Fig. 7. The milling head must not be in contact
with the workpiece. The workpiece must be balanced and well fixed.
Fig. 7. Machine placed on a plate and proper feed direction
To start the motor, press and hold the switch lock and the ON/OFF switch, and
then release the lock. Wait a few seconds until the machine reaches the required
rotational speed, press the machine to the workpiece using both hands, and slowly
slide toward the edge until the tool starts cutting into the metal. Operate according to
the counter-rotation, by sliding the machine from left to right. The rotation direction of
the milling head is indicated by the arrow on the guide.
Begin with making small bevels (3–4 mm, 0.12–0.16’’) and increase the bevel
width with gaining experience. Bevel in at least two or three passes. The bevel width
should be set to a value that will allow the feed of one meter per minute without
significant effort.
If the machine becomes overloaded, for instance when the bevel width is too
large for the material being machined or when the cutting inserts are dull, the motor
will automatically stop. However, prevent the motor from overloading by machining
hard materials in multiple passes and replacing the inserts before they become dull.
Additionally, take periodic breaks during operation, and keep the air vents unclogged
to prevent the motor from overheating as this may lead to damage of the windings.
After the work is finished, turn off the motor by releasing the ON/OFF switch, wait
until the rotation stops, and unplug the machine from the power source.
Clean the machine with a cotton cloth without using any agents.
Feed direction
Switch lock
ON/OFF switch

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3.6. Replacing the cutting inserts
Unplug the machine from the power source, and place the machine upside down.
Next, loosen the clamping screw (1, Fig. 8) to access the milling head, and lower the
sleeve as far as possible by rotating it to the right (2). Then, use the screwdriver supplied
with the milling head to unscrew the screw (3), and remove the cutting insert (4).
Clean the socket, and then rotate the insert and install again or replace with a new
one if all possible to use edges are worn. Next, push and tighten the insert. The entire
bottom of the insert must be in full contact with the surface of the socket (5).
Before replacing the cutting inserts of the radius milling head, press and hold the
spindle lock button 6and loosen the guiding roller with the 5 mm hex wrench (7).
Fig. 8. Replacing the cutting inserts
Clean the threads once aweekand, if necessary, grease the fixing screws for inserts
using an agent (for instance copper paste) that will prevent the screws from blocking.
3
1
2
4
7
6
5
INCORRECT
CORRECT

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3.7. Replacing the roller
Unplug the machine from the power source, and place the machine upside down.
Next, press the spindle lock button (1, Fig. 9), and then use the 5 mm hex wrench to
unscrew the roller (2).
Remove the nut (3) and assemble the roller with the pivot pin using washers (4),
and then place the roller on the milling head, press and hold the button 1,and tighten
the roller with the 5mm hex wrench (2). Use such a number of washers to keep a little
gap between the roller and the cutting inserts (5). The number of 0.5-mm and 0.1-mm
washers needed depends on the milling head used. Place all unused washers between
the pivot pin and the roller.
Fig. 9. Replacing the roller
1
2
4
5
CORRECT
✓
INCORRECT
(collision
between
roller and
cutting insert)
INCORRECT
(too large gap
between roller
and cutting
insert)
Washers
unused
Distance
washers
3

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3.8. Replacing the brushes
Check the condition of the carbon brushes every 200 operation hours. To do this,
unplug the machine from the power source, unscrew the cap, and remove the brush
(Fig. 10). If the length of the brush is less than 10 mm (0.4’’), replace both brushes
with new ones. To install brushes, proceed in reverse order. After the replacement, run
the motor without load for 20 minutes.
Fig. 10. Replacing the brushes

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4. ACCESSORIES
4.1. Guide for bevelling pipes
Allows external bevelling of pipes with a diameter of at least 150 mm (5.9’’) and internal
bevelling of pipes with a diameter of at least 110 mm (4.3’’).
To install, unplug the machine from the power source, and place the machine
upside down (Fig. 11). Heat the screws, and then use the 3 mm hex wrench to
unscrew the standard guide and screw in the guide for pipes.
Fig. 11. Installing the guide for pipes
Part number:
PRW-0509-07-00-00-0
(includes: four M5x12 screws,
3 mm hex wrench, 6 mm hex wrench)

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Rotate the sleeve to set ‘0’ on the pitch (1, Fig. 12), and then use the 6 mm hex
wrench to loosen the guide rollers (2) and separate them from each other as far as
possible. Place the machine on a vertically positioned pipe, pressing the roller 3to
the pipe, and then move the rollers 4symmetrically to join them to the pipe and
tighten in this position. Next, separate the machine from the pipe, and set the
required parameters (5). Then, start the machine, slowly slide it toward the edge, and
bevel according to the direction 6.
Fig. 12. Using the machine on a pipe
2
2
1
3
4
4
6
5

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Part number:
ZBD-0509-12-00-00-0
(includes 5 mm hex wrench)
4.2. Anti-scratch guide sticker
Self-adhesive guide sticker against scratches is dedicated for aluminum bevelling.
If the sticker is removed, clean excess glue from the guide using petroleum ether.
4.3. Worktable fixture
Designed to bevel workpieces with a width of 15–100 mm (0.59–3.94’’), thickness of up
to 70 mm (2.76’’), and to the maximum bevel width of 14 mm (0.55’’).
Install the worktable fixture by using holes in the base (1, Fig. 13). Then, unscrew
the levers and remove the vertical clamp 2. Unplug the machine from the power
source, rotate the sleeve to set ‘0’ on the pitch, and then place the machine into the
worktable fixture (3) so that the motor rests on the support (4).
Part number:
NKL-0509-05-00-00-0

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2
1
3
4
Fig. 13. Installing the machine into the worktable fixture

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3
1
2
4
5
Use the 5 mm hex wrench to loosen the horizontal clamp 1(Fig. 14), and then
place the workpiece 2so that it makes contact with the guide 3. Next, move the
horizontal clamp toward the workpiece (4) and tighten the screws in this position (5).
Fig. 14. Adjusting the horizontal clamp