MAIN
WELDER FEATURES
 | Modular design in mechanical structure, arms, brackets, cylinders. |
| Cylinder with chrome plated stem for heavy duty works and long life; adjustable anti-rotation device. |
| Lubrication free pneumatic components to eliminates oil mist and to protect the environment. |
| Head descent without pressure for set up and service. |
| Double-stroke cylinder withkey control. |
| Built-in compressed air filter unit and tank. |
| Compressed air disconnecting device. |
| Electrodes speed control valves, shock absorber for end of stroke and air discharge silencers assuring the minimum noise. |
| Two stage electric foot control for clamping and welding pieces only if correctly positioned. |
| Pre-setting for additional double stage electric foot connection for the direct recalling of welding program no.2 (not on units equipped with option 8232). |
| Water-cooled transformer, plates, electrode-holders and electrodes; transformer with epoxy resin coated windings. |
| TE180 microprocessor control unit. Phase shift welding current adjustment. Synchronous SCR contactor insulated from cooling water circuit with protection thermostat. |
| Standard on all models: two-hand safety control with timer assuring the best safety, and removable key selector. The two-hand control push-buttons are standard on projection models only (thay are available on request on spot welder models). |
| Emergency push-button to stop the machine immediately. |
TECHNICAL DATA
| ITEM | 8201 | 8202 | 8203 | 8204 | 8206 | 8207 | 8208 | 8209 | 8211 | 8212 | 8213 | 8214 | |
| Spot / projection welder | •/• | •/• | •/• | •/• | •/• | •/• | •/• | •/• | •/- | •/- | •/- | •/• | |
| Nominal power at 50% | kVA | 63 | 80 | 100 | 125 | 63 | 80 | 100 | 125 | 80 | 100 | 125 | 160 |
| Maximum welding power | kVA | 230 | 295 | 420 | 460 | 170 | 230 | 315 | 350 | 135 | 205 | 225 | 650 |
| Short circuit current | kA | 40 | 44 | 52 | 54 | 29 | 34 | 39 | 41 | 20 | 25 | 26 | 65 |
| Maximum welding current on aluminium | kA | 36 | 40 | 47 | 49 | 26 | 30 | 35 | 37 | 18 | 22 | 23 | 59 |
| Maximum welding current on steel | kA | 32 | 35 | 41 | 43 | 20 | 27 | 31 | 32 | 16 | 20 | 20 | 52 |
| Thermal current 100% | A | 6200 | 6800 | 7000 | 8400 | 6200 | 6800 | 7000 | 8400 | 6800 | 7000 | 8400 | 9300 |
| No load secondary voltages | V | 7.1 | 8.3 | 10 | 10.5 | 7.1 | 8.3 | 10 | 10.5 | 8.3 | 10 | 10.5 | 12.1 |
| V | 6.3 | 7.5 | 9 | 9 | 6.3 | 7.5 | 9 | 9 | 7.5 | 9 | 9 | - | |
| V | 5.6 | 6.7 | 8 | 8 | 5.6 | 6.7 | 8 | 8 | 6.7 | 8 | 8 | - | |
| V | 5 | 6.1 | 7.1 | 7.3 | 5 | 6.1 | 7.1 | 7.3 | 6.1 | 7.1 | 7.3 | - | |
| Supply voltage 50Hz * | V | 400 | 400 | 400 | 400 | 400 | 400 | 400 | 400 | 400 | 400 | 400 | 400 |
| Cables section L=30 m | mm2 | 50 | 70 | 95 | 2x50 | 50 | 70 | 95 | 2x50 | 70 | 95 | 2x50 | 2x70 |
| Delayed fuses | A | 125 | 160 | 200 | 250 | 125 | 160 | 200 | 250 | 160 | 200 | 250 | 315 |
| Minimum gap | mm | 175 | 175 | 175 | 175 | 175 | 175 | 175 | 175 | 175 | 175 | 175 | 175 |
| Maximum gap | mm | 475 | 475 | 475 | 475 | 475 | 475 | 475 | 475 | 475 | 475 | 475 | 475 |
| Depth L | mm | 390 | 390 | 390 | 390 | 540 | 540 | 540 | 540 | 800 | 800 | 800 | 390 |
| Depth D | mm | 270 | 270 | 270 | 270 | 420 | 420 | 420 | 420 | - | - | - | 270 |
| Max. electrode force (6 bar) - standard | daN | 736 | 736 | 736 | 736 | 736 | 736 | 736 | 736 | 736 | 736 | 736 | 736 |
| Max. electrode force (6 bar) with option 8235 | daN | 1242 | 1242 | 1242 | 1242 | 1242 | 1242 | 1242 | 1242 | - | - | - | 1242 |
| Maximum stroke | mm | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Double stroke - standard | mm | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 |
| Adjustable Double stroke (options 8236-8237) | mm | 0-80 | 0-80 | 0-80 | 0-80 | 0-80 | 0-80 | 0-80 | 0-80 | 0-80 | 0-80 | 0-80 | 0-80 |
| Compressed air supply | bar | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 |
| Air for 1000 spots (6 bar) | |||||||||||||
| Standard version - stroke 20 mm | Nm3 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 |
| Standard version - max. stroke | Nm3 | 15.4 | 15.4 | 15.4 | 15.4 | 15.4 | 15.4 | 15.4 | 15.4 | 15.4 | 15.4 | 15.4 | 15.4 |
| With option 8235 - stroke 20mm | Nm3 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | - | - | - | 9.4 |
| With option 8235 - max. stroke | Nm3 | 21.7 | 21.7 | 21.7 | 21.7 | 21.7 | 21.7 | 21.7 | 21.7 | - | - | - | 21.7 |
| Air supply hose | mm | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
| Water cooling | l/min | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Aerial noise produced | dB(A) | 71 | 73 | 76 | 77 | 72 | 72 | 75 | 75 | 76 | 76 | 76 | 78 |
| Measure conditions | |||||||||||||
| working stroke | mm | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 20 | 20 | 20 | 50 |
| welding time | cycles | 13 | 11 | 10 | 12 | 22 | 21 | 17 | 22 | 23 | 16 | 20 | 11 |
| welding current | kA | 29 | 34 | 39 | 41 | 22 | 25 | 29 | 30 | 15 | 19 | 20 | 49 |
| working rating in welds/min | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 15 | 15 | 15 | 6 | |
| Net weight (approximately) | kg | 510 | 525 | 540 | 555 | 530 | 545 | 560 | 575 | 585 | 600 | 615 | 570 |
OPTIONS:
| 8230 - Valve to stop the flow of the water cooling when the machine is off and flow switch which makes the welder stop if the cooling water does not circulate. |
| 8231 - Welding adaptive control unit type TE250 item 1311. |
| 8232 - Rotary selector for recalling the welding programs. |
| 8233 - Constant current welding control unit item TE185. |
| 8234 - Double stroke control device with pneumatic foot instead of key one. To be used only for spot welding when the work necessarily requires it. |
| 8235 - Cylinder 1242 daN (diameter 125 mm double stage) total stroke 100 mm (only on items 8201-2-3-4-5-6-7-8-9). |
| 8236 - Adjustable double stroke for cylinder 736 daN (standard). |
| 8237 - Adjustable double stroke for cylinder 1242 daN (option 8235). |
| 8238 - Low force squeeze for cylinder 736 daN (standard). |
| 8239 - Low force squeeze for cylinder 1242 daN (option 8235). |