Related Links

| | | | | | | | | | | | | | | | | | | | | | |

The Sandretto Molding Machine Mechanic Helper

Other information

Series 8 Sef 100 machine setup charts

Series 8 At 325 ton setup charts

Configuration file = 55500081 or 55500083
Board #8 and #9 transducer speed channel = 5 vdc
Sandretto proportional pressure valve calibration current = 350 milliamps = 1020 psi
Sandretto mechanical safety relief valve pressure setting = 1930 psi
Board #13 Proportional current channels
Valve	Valve	Valve	Board #13			Current channels
number	Description	Manufacture	Test pins	Count	Current	Min pot	Count	Current	PSI	Max pot
EVP 7	Mold opening	Rexroth	1 & 2	0	25	1	255	800		2
		Atos	1 & 2	0	275	1	255	800		2
EVP 5	Mold closing	Rexroth	3 &4	0	25	3	255	800		4
		Atos	3 & 4	0	275	3	255	800		4
EVP 4	Large proportional	Sandretto	5 & 6	0	20	5	255	650	1930	6
	pressure valve	pn # 80080280
EVP 3	Small proportional	Sandretto	7 & 8	0	20	7	255	650	1930	8
	pressure valve
EVP 23	Hold and Back pressure	Sandretto	9 & 10	0	20	9	255	650	1930	10
	pressure valve
EVP 8	Injection unit	Rexroth	11 & 12	0	0.375v		255	6.0v
	proportional flow valve

Notes	1. Test pins 1 & 2 are located at the bottom of the test connector.
	2. Pot #1 is located at the top of board # 13.
	3. Pot #12 is to adjust the Full scale adjustment command for EVP 8
	4. Pot #13 Dither adjustment
	5. Pot #14 Pulse width modulation adjustment.
	6. Pot #15 is to adjust the transducer feedback for EVP 8.
	7. Pot #16 is to the offset the EVP 8 transducer.

Board #14 Proportional current channels
Valve	Valve	Valve				Current channels
number	Description	Manufacture		Count	Current	pot	Count	Current		pot
Ev 14	Ejection forward	Rexroth		0	25	1	255	800		2
	directional valve	Atos		0	275	1	255	800		2
EV15	Ejection backwards	Rexroth		0	25	3	255	800		4
	directional valve	Atos		0	275	3	255	800		4

Notes	1. Measure the current directly at the valve solenoid for both EV14 and Ev15

Board #9 Injection / Carriage transducer board.

Injection

Euromap

Actuator

Channel

Actuator

Transducer

Forward

Backward

Dip switch settings

unit

stroke

stroke

Velocity

Velocity

1

2

3

4

5

6

7

8

270

1334

Screw

A

10.25

LTM 275

3.5 in/sec

12.5 in/sec

X

X

360 **

2054

Screw

A

12.2

LTM 375

3.4 in/sec

14.25 in/sec

X

X

270

1334

Carriage

B

19.68

LTM 600

12.2 in/sec

8.4 in/sec

360 **

2054

Carriage

B

21.65

LTM 600

15.5 in/sec

10.5 in/sec

Note ** = Oversized units.

Board #8 Clamp / Ejection transducer board.

Clamp

Euromap

Actuator

Channel

Actuator

Transducer

Forward

Backwards

Dip switches settings

unit

stroke

stroke

Velocity

Velocity

1

2

3

4

5

6

7

8

325

Clamp

A

27.95

LTM 600

12.5 in/sec

24.0 in/sec

X

X

X

X

X

X

325

Ejector

B

9.44

LTM -275

25.4 in/sec

41 in/sec

X

X

X

X

Clamp forward velocity is calculated without regeneration

Test connector for board #8 and #9.

1. Channel A transducer input 0 to 10vdc

16

15

Injection board #8, Clamp #9

2. Channel A speed channel 5vdc

14

13

3. Channel B transducer input 0 to 10vdc

12

11

Ejection #8, Carriage #9

4. Channel B speed channel 5vdc

10

9

5. Temperature bus analog input

8

7

Barrel #9, Mold #8

6. Pressure transducer input 0 to 10vdc

6

5

Injection trans on board #9

7

4

3

Cavity transducer on board #8

8. Screw speed signal for board #9 only

2

1

Test connector for board #13

24

23

1. Dither Signal

22

21

2. EVP 8 Coil current only

20

19

3. Pulse width modulation signal to EVP 8

18

17

4. EVP 8 Spool position - 0 to 6.0

16

15

5. EVP 8 Spool Function

14

13

6. EVP 8 Command signal + 0 to 6.0 vdc

12

11

7. EVP 23 Hold and Back pressure

10

9

8. EVM 3 Small pump pressure valve

8

7

9. EVM 4 Large pump pressure valve

6

5

10. EVM 5 Mold closing

4

3

11. EVM 7 Mold opening

2

1

MHCs Internal parameters address 4328 lubrication time 1 = 200milliseconds address 4330 lubrication pause time (200 default) 1 = 200ms