Promotech BM-21S Bedienungsanleitung

ul. Elewatorska 23/1, 15-620 Bialystok, Poland

Phone: +48 85 678-34-00, Fax: +48 85 651-15-31

www.promotech.eu e-mail: office@promotech.eu

OPERATOR’S MANUAL

M-

-2

BEVELLING MACHINE

Contents

1. GENERAL INFORMATION............................................................................................... 3

1.1. Application................................................................................................................. 3

1.2. Technical data............................................................................................................ 3

1.3. Design ....................................................................................................................... 5

1.4. Equipment included ................................................................................................... 5

2. SAFETY PRECAUTIONS.................................................................................................. 6

3. STARTUP AND OPERATION........................................................................................... 8

3.1. Preparing................................................................................................................... 8

3.1.1. Adjusting the bevel angle and width................................................................. 8

3.1.2. Using cutting fluid............................................................................................ 9

3.2. Adapting for 150–300 mm pipes ...............................................................................10

3.3. Adapting for 300–600 mm pipes (requires optional equipment).................................13

3.4. Operating..................................................................................................................14

3.5. Replacing the cutting inserts.....................................................................................16

3.6. Replacing the milling head........................................................................................17

4. WIRING DIAGRAM..........................................................................................................18

5. SPARE AND WEARING PARTS......................................................................................19

6. DECLARATION OF CONFORMITY.................................................................................20

7. QUALITY CERTIFICATE..................................................................................................21

8. WARRANTY CARD..........................................................................................................22

BM-21S

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Copying, using, or distributing without permission of PROMOTECH is prohibited.

1. GENERAL INFORMATION

1.1. Application

The BM-21S is abevellingmachine designed to bevel materials made of stainless steel.

The machine can bevel plates, as well as pipes with outer diameters of 150–300 mm

(6–12’’), at an angle of 0–60° and with the bevel width of up to 21 mm (13/16’’).

Additionally, the machine contains dampers to reduce vibrations.

When equipped with an optional guide, the machine can bevel pipes with outer

diameters of 300–600 mm (12–24’’).

1.2. Technical data

Voltage

1~ 220–240 V, 50–60 Hz

1~ 110–120 V, 50–60 Hz

Power

1600 W (for 50 Hz)

1800 W (for 60 Hz)

Rotational speed

1360–1630 rpm (at 230 V)

1300–1560 rpm (at 115 V)

Protection level

IP 20

Protection class

Milling speed

270 m/min (900 ft/min, for 50 Hz)

320 m/min (1050 ft/min, for 60 Hz)

Maximum bevel width (b)

21 mm (13/16’’, Fig. 1)

Bevel angle (ß)

0–60° (Fig. 1)

Weight

23 kg (51 lbs)

Fig. 1. Bevel dimensions; maximum bevel width depending on the angle

0°

30°

45°

60°

21 mm

18.5 mm

21 mm

18.5 mm

BM-21S

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441 mm (17.4’’)

339 mm (13.4’’)

366 mm (14.4’’)

BM-21S

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Copying, using, or distributing without permission of PROMOTECH is prohibited.

1.3. Design

Fig. 2. View of the machine and the control panel

1.4. Equipment included

The BM-21Sis supplied in ametal box with complete standard equipment. The included

equipment consists of:

Bevelling machine

1 unit

Cutting insert

10 units

Metal box

1 unit

8 mm hex wrench

1 unit

6 mm hex wrench

1 unit

4 mm hex wrench

1 unit

12 mm flat wrench

1 unit

T15P torx screwdriver

1 unit

Oil for stainless steel

1 unit

Grease for screws

1 unit

Operator’s Manual

1 unit

Depth knob

Bevel width scale

Bevel angle scale

Screws locking the bevel angle

Depth lock lever

Power switch

START

STOP

Operating

mode

lamp

Overload lamp

Guide set

Milling

head

Milling

head

cover

BM-21S

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Copying, using, or distributing without permission of PROMOTECH is prohibited.

2. SAFETY PRECAUTIONS

1. Before beginning, read this Operator’s Manual and complete proper occupational

safety and health training.

2. The machine must be used 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. Theelectricalsupplyspecificationsmustconformtothosespecifiedontheratingplate.

5. The machine must be plugged into a properly grounded (earthed) socket-outlet.

6. Never pull the power cord because this may damage it and result in electric shock.

7. Untrained bystanders must not be present near the machine.

8. Before beginning, check the condition of the machine and electrical supply, including

the power cord, plug, control panel components, and milling tools.

9. Keep the machine dry. Exposure to rain, snow, or frost is prohibited.

10. Keep the work area well lit, clean, and free of obstacles.

11. Never use machine near flammable liquids or gases, or in explosive environments.

12. Use only tools specified in this Operator’s Manual.

13. Never use dull or damaged tools.

14. Mount the cutting inserts and the milling head securely. Remove adjusting keys

and wrenches from the work area before connecting the plug to the power outlet.

15. If the cutting edge of an insert is worn, rotate the insert in the socket by 90° or, if

all 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, respiratory protective devices, non-skid

footwear, gloves,and protectiveclothingduringoperation.Do not wearlooseclothing.

18. Do not touch moving parts or metal chips formed during milling. Prevent objects

from being caught in moving parts.

19. After every use, remove metal chips from the machine, especially from the milling

head. Never remove metal chips with bare hands. Clean the machine with a cotton

cloth without using any agents.

20. Cover steel parts with a thin anti-corrosion coating to protect the machine from

rust when not in use for any extended period.

BM-21S

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21. Maintain the machine and mount/dismount parts and tools only with the power

cord unplugged from the power outlet.

22. Repair only in a service center appointed by the seller.

23. If the machine falls from any height, is wet, or has 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.

BM-21S

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Copying, using, or distributing without permission of PROMOTECH is prohibited.

3. STARTUP AND OPERATION

3.1. Preparing

3.1.1.Adjusting the bevel angle and width

Unplug the power cord from the power outlet. Begin with setting the bevel width to

zero. To do this, loosen the lock lever (Fig. 3) and rotate the knob to set the indication

‘0’ on the bevel width scale, and tighten the lever.

Fig. 3. Initial setting the bevel width to zero

To set the required bevel angle (Fig. 4), use the 6 mm hex wrench to loosen two

side screws, rotate the guide set to obtain the required angle on the scale, and tighten

the screws in this new position.

Fig. 4. Setting the bevel angle (45° is set on the drawing)

Adhere to all safety precautions.

BM-21S

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After setting the bevel angle, adjust the bevel width using the depth knob. The

width scale provides only a rough value because the bevel width varies with the angle.

For example, for 10° the maximum width b(Fig. 1) is equal about 18 mm (11/16’’),

while the width scale indicates about 9 mm (6/16’’). Increasing the depth at this angle

will distort the bevel. The maximum bevel width (b=21 mm, 13/16’’) is obtained for 45°.

The demanded bevel width for the required angle must be determined experimentally

by gradually increasing the penetration of the milling head into the workpiece.

3.1.2.Using cutting fluid

Before bevelling stainless steel, cover the edges of the workpiece with the supplied

oil in the manner shown in Fig. 5.

Fig. 5. Preparing the edges for bevelling stainless steel

Oil for stainless steel

BM-21S

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Copying, using, or distributing without permission of PROMOTECH is prohibited.

3.2. Adapting for 150–300 mm pipes

To bevel pipes with diameters of 150–300 mm (6–12’’), use the standard guide set

after assembling it in adifferent way. To do this, use the 6 mm hex wrench to unscrew

two side screws (1, Fig. 6), then remove the guide set (2), rotate it by 180° around

the vertical axis (3), mount again (4), and secure with the screws (1).

Fig. 6. Rotating and mounting the guide set

Lock the turn of the T-nut with the 12 mm flat wrench and use the 8 mm hex

wrench to unscrew the roller screw. Next, move the rollers from the opening (Fig. 7a)

to the slot by mounting them as shown in Fig. 7b, placing the T-nut into the slot.

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