background image

Plasma 70 S

Operating Manual

Page 16

Item Designation

Stocknumber

1

case frame compl., coated black

715.024.001

2

case top

715.019.010

3

side panel, top left

715.019.007

4

side panel, top right

715.019.008

6

case push-handle incl. assembly parts

721.024.001

7

bonded tired wheel 200 mm d incl. assembly parts

720.200.020

8

front panel ‘Plasma 70 S’

304.024.001

10

master switch S225-647859

440.225.101

control knob for master switch

440.220.051

11

signal element 24 V, yellow

712.024.002

12

signal element 24 V, green

712.024.004

bulb 24V

463.024.012

13

gas test push button, green

441.507.009

14

fuse holder with bayonette type sealing cap

464.601.001

fine-wire fuse T 2 A

464.020.014

15

potentiometer 10 kOhm lin. (cutting current)

616.010.001

potentiometer control knob 36 mm D

711.036.005

16

insert tip jack, BEB 35-50

422.031.024

17

central connecting socket with protection locking

710.004.017

central connecting plug with protection locking

710.004.020

18

mains cable, compl. 4 x 2.5 sq.mm, 5 m, 32A

704.025.021

strain relief screw fitting PG 16 “

420.016.004

19

fan A4E 300, 230 V  incl. cap assembly parts

450.300.006

capacitor 1 µF  (fan)

453.450.002

fan control board VR 1, 24 V

600.022.008

spacing piece CBS -09A to fasten board

421.008.005

20

cutting transformer with choke incl. cable

706.024.001

21

cutting transformer, incl. cable and thermoswitch

706.024.002

thermoswitch 170° C (break) for cutting transformer

445.170.002

thermoswitch 80° C (make) for cutting transformer

445.080.006

22

smoothing choke, incl. flexible cord

706.024.003

23

HF blocking choke PLD 10, incl. flex and assembly parts

721.024.002

24

Stern resistor 3 Ohm (pilot current) compl.

452.003.012

25

wire resistor 250 Ohm  (base load) compl.

721.024.003

26

thyristor set incl. cooling block and connecting lines

705.024.004

thyristor set compl. (repair service)

705.024.004A

thyristor protecting unit compl.

705.024.004

thermoswitch  90° (break) for thyristor set

445.080.004

thermoswitch  50° (make) for thyristor set

445.050.005

27

HF starting device SIG 3.2, 24 V

438.032.002

28

HF blocking choke PLD 1

438.001.003

29

HF filter SLF 2

438.002.011

30

HF safety board HFS 1

600.024.001

Summary of Contents for Plasma 70 S

Page 1: ...Plasma Cutting System Plasma 70 S...

Page 2: ...ent work with the Plasma 70 S cutting unit Please read the instructions carefully prior to initial operation of the unit The information contained in this manual should be made available to all operat...

Page 3: ...e corresponds to the safety requirements of the recommendations Name of unit Plasma Cutting System Type of unit Plasma 70 S Relevant EMC recommendation 89 336 EEC EC recommendations modified by recomm...

Page 4: ...8 7 Preparations for cutting 9 8 Cutting 10 9 Service and Maintenance 11 10 Trouble Shooting 11 11 Description of board 13 12 Spare Parts 14 13 Circuit diagram 18 Pictures Picture 5 1 Control Elements...

Page 5: ...l from the kerf A clean clear cut is the result 1 2 Advantages Time saving due to high cutting speed in cutting thin sheet metal if compared to oxy fuel gas cutting nibbling or sawing Heat build up is...

Page 6: ...preferably fitted below the cutting zone should be provided The cutting area of the workpiece has to be cleaned and free of solvants and degreasing agents to prevent the formation of toxic gas The use...

Page 7: ...e 449 50939 K ln Furthermore we point out that in some operative ranges where despite the observance of radiation limits this cutting unit can cause electromagnetic interferences which are the respon...

Page 8: ...lter pressure reducer comined with a semiautomatic water separator are standard equipment of this unit The water trap automatically empties itself when the air system lacks of pressure The filtered pr...

Page 9: ...A 100 V Max cutting thickness quality cut 20 mm severance cut 25 mm System of protection IP 22 Insulation class H 180 C Type of cooling F Dimensions L x W x H mm 530 x 610 x 810 Weight 95kg Compresse...

Page 10: ...Plasma 70 S Operating Manual Page 6 5 Control Elements Picture 5 1 Control Elements...

Page 11: ...dicates the working pressure of compressed air downstream the filter pressure reducer If despite the availability of adequate supply pressure the specified working pressure cannot be reached heavily c...

Page 12: ...the unit Take care that there is always an adequate supply of compressed air of the specified pressure Moreover the air should be free of oil or water If the system is firmly connected to a compressed...

Page 13: ...re will overload and destroy the plasma nozzle cutting current 20 60 A 50 70 A plasma nozzle 1 0 1 2 1 2 1 4 When replacing a worn part check for tight fit The plasma nozzle and the electrode are wear...

Page 14: ...a point to keep the right cutting speed correspon ding with material thickness If the cutting speed is too low a blunt cutting edge will be the result because of the unduly high thermal input Optimum...

Page 15: ...eck mains fuse if required increase fuse protection mains control lamp is mains cable interruption check mains cable not lit fuse F1 front side defective change fuse F1 T 2 A 250 V defective fuse F2 o...

Page 16: ...able not connected or without contact to workpiece due to impurities paint ect clamp earth cable to workpiece or improve contact torch fault indicator is lit see chapter Control elements defective tor...

Page 17: ...air pressure o k 3 temperature o k 4 cutting current flows 5 arc voltage o k 6 torch trigger on 7 reduction of cutting current on trimming potentiometer T1 gas preflow T2 gas post flow fixed pilot ti...

Page 18: ...Operating Manual 12 Spare Parts Picture 12 1 Frontview...

Page 19: ...Operating Manual Picture 12 2 View from the side...

Page 20: ...x 2 5 sq mm 5 m 32A 704 025 021 strain relief screw fitting PG 16 420 016 004 19 fan A4E 300 230 V incl capacitor assembly parts 450 300 006 capacitor 1 F fan 453 450 002 fan control board VR 1 24 V...

Page 21: ...19 insulating bush 2 piece D 8 5 mm current connection 711 310 009 35 drive board PL1 AN 600 024 004 drive board repair service 600 024 004A 36 current control board PLCont 1 incl current transformer...

Page 22: ...choke PLD 1 HF blocking choke PLD 10 current transformer HF filter current former L4 trans current control board current flow torch trigger voltage control board driving board A2 flat strip A1 A3 G1...

Reviews: