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BSV-N series 25
ELECTROMECHANICAL TURRETS

TECHNICAL INFORMATION

I.T. 6430
GB
ISSUED

09-08

The data given in the I.T. are subject to

technical modifications without notice.

BSV-N
WORKING PRINCIPLE

Water-proof housing with oil immersed mechanism, life lubricated. Clamping on 3-part Hirth front toothing – High stifness and accuracy – No lifting during rotation. Single three-phase electric motor for rotation and clamping.

B D E

F

A

L

N

I

G

M H P

C
Main overall dimensions and fixings interchangeable with previous BSV-N series and SM turrets.

A) Electrical motor (three-phase) B) Gearbox C) Rotation and cam locking mechanism D) Pre-indexing solenoid E) Pre-indexing control switch F) Shock-absorber system G) Preloaded locking spring

H) 3-parts front coupling I ) Locking control switch L) Angular position transmitter (absolute) M) Rotating plate N) Coolant flange P) Quick change coolant valve

I.T.6430-0908

B1-2

BSV-N
CHARACTERISTICS AND PERFORMANCES

Technical data
Size

120/25
N° (1) Kgm 2 s s s s s cycle/min
std

BSV-N

160/25
8÷12
very slow fast std slow std

BSV-N

200/25
8÷12
slow very slow

BSV-N

250/25
8÷12
std slow

BSV-N

320/24
8÷12
std slow std

BSV-N

400/20
8÷12
slow very slow

BSV-N

Tool stations Version

8÷12
slow

Inertia of transportable mass Indexing time (including locking) 30° 45° 180° Rotating time only 30° 45° Indexing frequency Electric supply Mass (without disc) Ambient temperature range Coolant supply: ? Costant flow ? Pressure cut-off during turret rotation Protection degree (DIN 40050) (1) Other versions on request. (2) Filtering ≤ 150 ?m. (2)

0,45

0,8

1,2

0,55

0,9

1,8

3

4,5

8 1

5 0,78

9 1

15

22

22

32

70

0,41 0,48 0,58 0,41 0,48 0,58 0,65 0,78

1,10 1,25 1,25 1,45 2,05

0,48 0,57 0,69 0,48 0,57 0,69 0,78 0,94 1,18 0,94 1,18 1,25 1,45 1,45 1,65 2,50 1,16 1,38 1,65 1,16 1,38 1,65 1,83 2,23 2,80 2,23 2,80 2,71 3,18 3,18 3,66 5,53 0,15 0,18 0,21 0,15 0,18 0,21 0,24 0,30 0,36 0,30 0,36 0,33 0,38 0,38 0,45 0,68 0,23 0,27 0,32 0,23 0,27 0,32 0,36 0,45 0,54 0,45 0,54 0,49 0,58 0,58 0,67 16 14 11 14 12 10 11 9 7 9 7 6 5 5 4 1 3

a=90°

See wiring diagram

~ Kg
°C

40 5 ÷ 40

52 5 ÷ 40

92 5 ÷ 40

120 5 ÷ 40

240 5 ÷ 40

420 5 ÷ 40

bar bar

7 14 IP65

7 14 IP65

7 14 IP65

7 14 IP65

7 14 IP65

7 14 IP65

I.T.6430-0908

B1-3

BSV-N
CHARACTERISTICS AND PERFORMANCES

Accuracy

0,01/100 A 0,01

?α ?β

A
0,01

Repeatibility accuracy ?α = ± 1,6" ( 0,78 ?m/100 mm) Indexing accuracy

?β = ± 4"

( 1,9 ?m/100 mm)

Loading capacity
BSV-N

120
750

BSV-N

160

BSV-N

200

BSV-N

250

BSV-N

320

BSV-N

400

b F1

Max. tangential torque

F1xb

Nm

1.600

3.500

6.000

12.000

24.000

b F2

Max. tilting torque (to push)

F2xb

Nm

850

1.900

5.200

10.000

16.000

32.000

b F3 b P

Max. tilting torque (to lift)

F3xb

Nm

400

800

2.500

4.000

7.000

15.000

Unbalancing torque

Pxb

Nm

10

12

40

60

120

400

I.T.6430-0908

B1-4

BSV-N
DUTY PERFORMANCES

F1 [N]
200000 100000 80000 60000 40000 20000 10000 8000 6000 4000 2000 1000 0 100

Tangential force

F1+
BSV-N 400 BSV-N 320 BSV-N 250 BSV-N 200

F1– b

BSV-N 160 BSV-N 120

200

300

400

500

b [mm]

The diagram refers to F1 values which cause elastic yelding within the rates shown in the schedule. Turret size Max. elastic yelding Distance from centre of measuring point mm mm 120 0,05 140 160 0,07 170 200 0,08 220 250 0,14 270 320 0,12 330 400 0,16 350

F2 [N]
200000 100000 80000 60000 40000 20000 10000 8000 6000 4000 2000 1000 0 100

Tilting force (to push)

BSV-N 400 BSV-N 320 BSV-N 250 BSV-N 200

BSV-N 160

F2 b

BSV-N 120

200

300

400

500

b [mm]

I.T.6430-0908

B1-5

BSV-N
DUTY PERFORMANCES

F3 [N]
200000 100000 80000 60000 40000

Tilting force (to lift)

F3
BSV-N 400 BSV-N 320 BSV-N 250 BSV-N 200

20000 10000 8000 6000 4000 BSV-N 160 2000 1000 0 100 200 BSV-N 120 300 400

b

500

b [mm]

F4 [N]
200000 100000 80000 60000 40000 20000 10000 8000 6000 4000 2000 1000 0 100

Radial tilting force

BSV-N 400 BSV-N 320 BSV-N 250 BSV-N 200

F4
BSV-N 160 BSV-N 120 200 300 400 500

a

a [mm]

I.T.6430-0908

B1-6

BSV-N
PARAMETERS FOR TURRET SELECTION

S: CHIP CROSS-SECTION (max) for steel R = 600 N/mm2 Ks = 2.200 N/mm2 N: POWER (max) for Vt = 200 m/min

[kW] 100 80 60 300 150 100 50 40 30 20 2 10 5 1 0,8 0,6 0,5 0 10 8 6 4 40 20

N

[mm2]

S

BSV-N 400 BSV-N 320 BSV-N 250 BSV-N 200 BSV-N 160 BSV-N 120 b

100

200

300

400

500

b [mm]

? For any material with different Ks: Sx =

S X 2.200 Kx

Vtx ? For different cutting speeds: Nx = N X 200

I.T.6430-0908

B1-7

BSV-N 120/25
OVERALL DIMENSIONS

PG 13,5 (8)

(1) 1/4" GAS
29x45°

=

130 =

(5)
205

(3) (2)
90

?30 h5

(2)
+ 0,1 63 0

46

?175

?102

150

20°

(4)

20

20°

7,5

152 6 26 344

(6)

20

?15 g6

28 = 12 POS. VERSION

M8x15 185 = 8 POS. VERSION

N°1 M12 (for lifting)

TOOL DISC INTERFACE

(3) (7)
22 max ~ 0,2 B1-8 1,4 ?10 ?30 Js6 min ?80 max ?85 ?16

165 =

=

33

=

124 =

0,8

OR 2050

70 11 50 30 30 30 for M8

?8

1) Inlet coolant position, at choise. 2) Right or left coolant outlet position. 3) Adjustable coolant ring. 4) Coolant outlet displacement range. 5) Soft surface for boring the disc reference pins.

6) Reference pin to be positioned on both side, at choise. 7) Reference pins between tool disc and turret. 8) Electrical connections on both side, at choise. Important: The connection cable must be provided with fittings and gaskets in order to avoid penetration of water into the turret.

I.T.6430-0908

BSV-N 160/25
OVERALL DIMENSIONS

PG 13,5 (8) 29x45°

(1) 1/4" GAS

=

155 =

(5)
237

(3) (2)
12 0

(2)
+ 0,1 80 0

?40 h5

?215

?132

0 19

46

20°

20

(4)

20°

7,5

149 6 26 344

(6)

25

?17 g6

28

M8x15 = 12 POS. VERSION 210 = 8 POS. VERSION

N°1 M12 (for lifting)

TOOL DISC INTERFACE

(3) (7)
~ 0,2 B1-9 1,4 ?10 ?40 Js6 min ?105 max ?110 ?16

190 =

124 =

33

22 max

=

=

OR 2050
0,8

70 13 58 32 32 32 for M10

?10

1) Inlet coolant position, at choise. 2) Right or left coolant outlet position. 3) Adjustable coolant ring. 4) Coolant outlet displacement range. 5) Soft surface for boring the disc reference pins.

6) Reference pin to be positioned on both side, at choise. 7) Reference pins between tool disc and turret. 8) Electrical connections on both side, at choise. Important: The connection cable must be provided with fittings and gaskets in order to avoid penetration of water into the turret.

I.T.6430-0908

BSV-N 200/25
OVERALL DIMENSIONS

PG 13,5 (8)

(1) 3/8" GAS

=

210 =

(3) (5)
27,5 280

(2)
14 5

(2)
+ 0,1 100 0

?252

?162

?50 h5

20°

(4)
20°

172 9 32 378

(6)

226

?20 g6

9

30

35 = 12 POS. VERSION

M10x18 250 = 8 POS. VERSION

N°1 M12 (for lifting) TOOL DISC INTERFACE

(3)
220 = 200 =

(7)

70

=

=

25 max

OR 2050
0,8

15 66 40 30

125 for M12 ?12 ?50 Js6 min ?130 max ?140 ?10 ?16

1) Inlet coolant position, at choise. 2) Right or left coolant outlet position. 3) Adjustable coolant ring. 4) Coolant outlet displacement range. 5) Soft surface for boring the disc reference pins.

6) Reference pin to be positioned on both side, at choise. 7) Reference pins between tool disc and turret. 8) Electrical connections on both side, at choise. Important: The connection cable must be provided with fittings and gaskets in order to avoid penetration of water into the turret.

I.T.6430-0908

B1-10

~ 0,2

1,4

BSV-N 250/25
OVERALL DIMENSIONS

PG 13,5 (8)

(1) 3/8" GAS

=

250 =

(3) (5)
27,5

(2)
182

(2)
325 20°

?310

?202

?63 h5

+ 0,1 125 0

(4)
20°

210 10 32 378

(6)

280

?26 g6

9

35

35 = 12 POS. VERSION

M12x20 310 = 8 POS. VERSION

N°1 M12 (for lifting) TOOL DISC INTERFACE

(3)
~ 0,2 1,4 ?10 ?16

(7)
280 = 200 =

OR 2050 25 max
0,8

70 125 20 82 44 43 43 for M16

=

=

?16 ?63 Js6 min ?170 max ?175

1) Inlet coolant position, at choise. 2) Right or left coolant outlet position. 3) Adjustable coolant ring. 4) Coolant outlet displacement range. 5) Soft surface for boring the disc reference pins.

6) Reference pin to be positioned on both side, at choise. 7) Reference pins between tool disc and turret. 8) Electrical connections on both side, at choise. Important: The connection cable must be provided with fittings and gaskets in order to avoid penetration of water into the turret.

I.T.6430-0908

B1-11

BSV-N 320/24
OVERALL DIMENSIONS

267

PG 13,5 (8)

(1) 3/8" GAS (5)
31

=

325 =

(3) (2)
22

?80 h5

400

(2)
+ 0,1 160 0

?390 ?270

352

20°

245 10 38 492

(6)

12

40

?32 g6

341

0

(4)
20°

80 = 12 POS. VERSION

M12x22 390 = 8 POS. VERSION

N°2 M16 (for lifting) TOOL DISC INTERFACE 352 = 276 =

(3)
OR 3106 ~ 0,2 2,2

(7)

=

= 33 max 34

0,8

?25 ?32 ?16 ?80 Js6 min ?170 max ?220 ?13

for M20 96 48 56 48

1) Inlet coolant position, at choise. 2) Right or left coolant outlet position. 3) Adjustable coolant ring. 4) Coolant outlet displacement range. 5) Soft surface for boring the disc reference pins.

6) Reference pin to be positioned on both side, at choise. 7) Reference pins between tool disc and turret. 8) Electrical connections on both side, at choise. Important: The connection cable must be provided with fittings and gaskets in order to avoid penetration of water into the turret.

I.T.6430-0908

B1-12

BSV-N 400/20
OVERALL DIMENSIONS

23

(1) 1/2" GAS
PG 13,5 (8)

= =

16

465 = 325 =

28° (4) 478,5 ?355 ?100 h5
30 0

200

+ 0,1 0

25° = =

410

(2)

(5)
11 12 47 308 541 = 42 ?36
11°

470 =

?14

(6)

N°2 M24 (for lifting) TOOL DISC INTERFACE

T-Nut M12 DIN 508 420 = 323 =

(7) (3)

35 max

=

=

0,8

56 63 60 140

for M24

M12

?16 ?100 Js6 min ?245 max ?255

?11 ?22

1) Inlet coolant position, at choise. 2) 4 coolant outlet position. 3) Coolant valve. The valve can be fitted on one of the 4 coolant outlet position. The drawing represents how the valve is positioned when the disc is mounted. Without the disc, the valve produtes by 2 ÷ 3 mm is comparison with the position indicated. 4) Coolant outlet displacement range.

5) Soft surface for boring the disc reference pins. 6) Reference pin to be positioned on both side, at choise. 7) Reference pins between tool disc and turret. 8) Electrical connections on both side, at choise. Important: The connection cable must be provided with fittings and gaskets in order to avoid penetration of water into the turret.

I.T.6430-0908

B1-13

I.T.6430-0908

B1-14

BSV-N
WIRING DIAGRAM

4

5

1

2

3

~
3

7 6

WIRING NUMBER REF. COMPONENT CHARACTERISTICS SIMBOLS COLOUR
U1 V1 W1 U2 V2 W2 WHITE GREEN BLACK WHITE GREEN BLACK

SIGNALS

(1)

1 2 3 4 5 6 7

ELECTRIC MOTOR (three-phase)

220-380 V 50/60 Hz For other characteristics see Tab. 1

~
3

See Tab. 2

THERMAL DETECTOR

135 °C 1,5A 250V

1 2

BROWN BROWN

(2)

BRAKE

24 V D.C. BSV-N 120/160 = 8 W BSV-N 200/400 = 12 W 24V D.C. 44 W

3 4

GREEN GREEN

INDEXING SOLENOID INDEXING CONTROL SWITCH LOCKING CONTROL SWITCH

5 6 7 8 9 7 10 9 7 9 11 12 13 14 15 16

BLUE BROWN BROWN BLACK BLUE BROWN BLACK BLUE BROWN BLUE WHITE YELLOW GREEN VIOLET BLACK PINK GREEN / YELLOW + V D.C. EXIT 0 V D.C. + V D.C. EXIT 0 V D.C. + V D.C. 0 V D.C. Bit 1 Bit 2 Bit 3 Bit 4 Strobe Parity check PE

24V D.C. ± 10% 200 mA (load) OUTPUT-PNP-NO

ANGULAR POSITION TRANSMITTER (ABSOLUTE)

24V D.C. ± 10% 350 mA (supply) 50 mA/exit (load) OUTPUT-PNP

ELECTRIC MOTOR CHARACTERISTICS Turret size BSV-N 120/160 BSV-N 200/250 BSV-N 320/400 Minimum required power KVA 1,10 KVA 1,80 KVA 2,60

Tab. 1 Short circuit power KVA 1,60 KVA 2,80 KVA 3,80

ELECTRIC MOTOR'S WIRING (1)
U1 V1 W1 U2 V2 W2 WIRING Y (380 V) U1 V1 W1 U2 V2 W2 WIRING

Tab. 2

? (220 V)

(1) Other voltages on request. (2) The termal detector gives a signal only motor overheating. I.T.6430-0908 B1-15

POS. 1 (START) POS. 2 Locked turret POS. 12 Locked turret T1 POS. 1 T2 T1 T2 POS. 2 (START)

I.T.6430-0908
NOTE : For the T1-T2-R1-R2 value see Tab. 2
R2 R2 R1

CW

1

1

ELECTRIC MOTOR

0

CCW

1

3

BRAKE

1

0

R1

1

4

INDEXING SOLENOID

0

Indexing pin mech. position

CYCLE

BSV-N

5

INDEXING CONTROL SWITCH

1

0

6

LOCKING CONTROL SWITCH

1

0

7

1 BIT

1

0

ANGULAR POSITION TRANSMITTER (ABSOLUTE)

2 BIT

1

0

3 BIT

1

0

4 BIT

1

For position code see Tab. 1

0

PARITY CHECK

1

0

STROBE

1

0

Tab. 1
POSITIONS

FUNCTION

Tab. 2

TURRET SIZE PROGRAMMING TIME

120 160 200 250 320 400 T1 (ms) T2 (ms) R1 (ms)
ALLOWED LAG TIME MAX Standard and fast Slowed Standard

50 40 40 R2 (ms) 40
Slow and very slow

50 40 40 40 40 40

50 50 60 70 80

50 50 70 80 90

100 100 200 200 200 200 200 200 70 80 90 70 80 90 100 100

1 BIT

2 BIT

3 BIT

4 BIT

PARITY CHECK

STROBE

1 1 0 0 0 1 1

2 0 1 0 0 1 1

3 1 1 0 0 0 1

4 0 0 1 0 1 1

5 1 0 1 0 0 1

6 0 1 1 0 0 1

7 1 1 1 0 1 1

8 0 0 0 1 1 1

9 10 11 1 0 1 0 1 1 0 0 0 1 1 1 0 0 1 1 1 1

12 0 0 1 1 0 1

B1-16

CW

? ?

CCW

BSV-N
CYCLE DESCRIPTIONS

1. – Signals To get a change of positions on the BSV-N turrets, the control equipment (usually a N.C. equipment) must control the components mentioned below according to a well defined sequence (see wiring diagram on page 15). ? Motor (1) ? Brake (3) ? Indexing solenoid (4) The following output signals from the turret are provided for driving the positioning cycle: – Angular position given by the angular position transmitter (7) – Indexing control switch (5) – Locking control switch (6). 1. – Description of the operating sequence This description refers to sequence cycle: the first part gives the sequence to pass from position 1 to position 2 with clockwise rotation, the second part gives the sequence to pass from position 2 to position 12 with counterclockwise rotation. As indicated by the cycle, the controls are to be performed according with the following sequence: ? De-energize the brake (3) and start motor rotation in the desired direction. ? If, as in the case shown by the diagram, the next position (pos. 2) is the Stop position, when the strobe signal reached a zero level, the solenoid (4) is to be energized. In case of passage from position 2 to position 12, wait for the reading signaling the passage on pos. 1 then, since the next one is the Stop position, wait until the next strobe signal reaches a zero level and (at that time only) energize the solenoid (4). N.B.: The maximum lag time between the reading of the strobe signal and the excitation of the solenoid (4) cannot exceed the R1 values indicated in the table. ? The turret goes on rotating until the indexing pin, pushed by the solenoid (4), enters into the mechanical stop slot. This movement is detected by the sensor (5) which must immediately stop the motor that, once expired the T1 time will re-start rotating in the opposite direction. ? During this phase the turret is locking and its locked position is detected by the sensor (6) and this signal is used to stop the motor (1). The maximum lag time between the signal of the sensor and the stopping of the motor must never exceed the R2 value shown in the table. At this point the machine can be started, in order to go on working. ? The solenoid (4) is to be de-energized after the expiration of the T2 lag time starting from the moment when the sensor (6) signal is read. N.B.: The T1, T2, R1, R2 times must be understood as real times execution of the controls and the signals checked on the terminal board of the turret. For an accurate detection and measurement of the above mentioned values it is advisable to use adeguate instrumentation such as an oscilloscope with memory and current sensing devices.

Flow chart
TURRET START CYCLE

YES DE-ENERGIZE BRAKE AND SET ROTATION

NO

1 BEFORE GOAL 1 POSITION-STROBE 0

YES SET INDEX max. allowed lag time R1 = (*)

NO

INDEX CONTROL SWITCH = 1

YES STOP ROTATION SET TIMER T1 (*)

NO

DELAY TIMER T1 EXPIRED

SET REVERSE ROTATION

NO

LOCKING CONTROL SWITCH = 1

YES

CONCIDENT POSITION

NO

YES STOP MOTOR max. allowed lag time R2 = (*) SET BRAKE

YES START TO THE MACHINE WORK FAULT

( ) See tab. 2 sheet 16 (Cycle). I.T.6430-0908 B1-17

*

BSV-N

"PA" VERSION TURRETS (with axial throught-bore)
A

Turret size ?D A

10 ; 60 BSV-N
120
20 370

BSV-N 160
20 370

?D BSV-N 200
28 413

BSV-N 250
28 413

BSV-N 320
28 530

BSV-N 400
60 588

DRIVEN TOOLS SYSTEM
"BSV-N*" turrets have been designed for modular fitting onto the different driven tool systems.

BS*-DT

? With ODT-N driven tool device. ? Tool coupling according to DIN 1809. ? Tool disc with axial seats. ? Front machining.

10 ; 60

BS*-TR

? With IDT-R driven tool device. ? Tool disc with radial seats. ? Front machining. NOTE: Front and back machining for sub-splinde machines is also available on request.

For further information please contact our Technical Dept. I.T.6430-0908 B1-18

BSV-N

UCN CONTROL UNIT
The UCN control unit manages the moving cycle of BSV-N turret in a simple and optimized way: simple and optimized software; no memory positions are occupied in the machine control; automatic chose of the shortest path; steady monitored for faults.

For other information see the Technical Information UCN- .

*

IDENTIFICATION CODE

BSV-N
SIZE 120 160 200 250 320 400 AXIAL THROUGH BORE Without With (Standard) (Optional) POSITIONS Nr. 8 Pos. Nr. 12 Pos.

* - * - * /2* - * - * - ( * )
OPTIONALS CODE 50 H 60 H 50 60 50 L 60 L 50 LL 60 LL FREQUENCY and INERTIA 50 Hz 60 Hz 50 Hz 60 Hz 50 Hz 60 Hz 50 Hz 60 Hz Fast Fast Standard Standard Slow Slow Very slow Very slow

CODE 120 160 200 250 320 400 CODE — PA CODE 8 12 SERIE 20 ÷ 29 (1)

MOTOR VOLT. and FREQUENCY 220-380 230-400 400-440 220-380 V - 50/60 Hz 230-400 V - 50/60 Hz 400-440 V - 50/60 Hz

(1) From 20 to 29 the performance and the overall dimensions do not change.

I.T.6430-0908

B1-19


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