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Part No. 729-110-037 Rev. 1.31 | May 2016 

                          © 2014 Nelson Stud Welding, Inc. All Rights Reserved. 

 

Operating the Capacitor Discharge 

NCD+ 3200 Stud Welding Unit 

 
 
 
 
 
 
 
 

 

Operations Manual 

(729-110-037) 

For Software Version 1.06 and later 

 

These  instructions  are  for experienced  operators. 

If you are not fully familiar with 

the principles of operation and safe practices for arc welding equipment, we urge you to 

read AWS SP -

“Safe Practices” available from the American Welding Society.

 Do not 

permit  untrained  persons  to install,  operate  or maintain  this  equipment.  Do 

not attempt  to install  or operate  this  equipment  until  you  have  read  and  fully 

understand these  instructions. 

If you do not fully understand these instructions, 

contact your supplier for further information. Be sure to read the Safety section before 

utilizing this equipment. .

 

 

Summary of Contents for NCD+ 3200

Page 1: ...nciples of operation and safe practices for arc welding equipment we urge you to read AWS SP Safe Practices available from the American Welding Society Do not permit untrained persons to install opera...

Page 2: ...nel a reasonable opportunity to inspect and repair said equipment at buyer s facility or such other location as is mutually agreeable Notice to NELSON must be given within 30 days of such defect or fa...

Page 3: ...ers cuffs or pockets Sleeves and collars should be kept buttoned and open pockets eliminated from the front of clothing 5 Protect other personnel from arc rays and hot sparks with suitable nonflammabl...

Page 4: ...m the compressed gas cylinder Do not use adaptors Maintain hoses and fittings in good condition 2 Always secure cylinders in an upright position by chain or strap to suitable hand trucks undercarriage...

Page 5: ...d Displays Weld Parameter 13 2 1 1 Voltage Display Modes 14 2 2 Stud Expert 15 2 3 Process Monitor PM 16 2 3 1 Teaching Welds 17 2 3 2 Setting Tolerances 18 2 3 3 Operating Process Monitor 19 3 Normal...

Page 6: ...capacity of the floor space should be at least double the weight of the unit When working in high lying locations such as bridges ladders or platforms the NCD must be secured against the risk of falli...

Page 7: ...t power cable all of the connections are located on the front plate of the NCD Prior to any connection work the NCD welding unit must be switched off The input power switch must be in the 0 position 1...

Page 8: ...can only be operated with 110 120 VAC 50 60 Hz input power Item 4 of Figure 1 1 Page 7 See the rating plate on the back panel of the unit The input power must be wired with the earth ground connectio...

Page 9: ...connection Connect Gun Welding Cable to X1 for straight polarity and to X3 for reverse polarity 1 2 3 Connection of Gun Control Cable The Gun Control Cable socket Item 2 of Figure 1 1 Page 7 permits t...

Page 10: ...nimize arc blow Prior to any connection task the NCD welding unit must be switched off and the input power switch must be in the 0 position 1 2 5 Connection of the Workpiece When connecting the workpi...

Page 11: ...0 kg Weld Rate studs min Low Capacitance 120V 20 High Capacitance 180V 8 Maximum Stud Thread Diameter Steel Stainless TFTC S 3 8 Flanged Aluminum TFTA 5 16 Flanged Dimensions Length x Width x Height 2...

Page 12: ...00 Manual Connection and Installation Part No 729 110 037 Rev 1 31 May 2016 2014 Nelson Stud Welding Inc All Rights Reserved 1 3 1 Mechanical Drawing Figure 1 5 Front Side Views of NCD 3200 with Dimen...

Page 13: ...Voltage and Other Parameters Enables voltage selection The voltage is increased turning the knob in the clockwise direction or decreased by turning it in the counterclockwise direction The power suppl...

Page 14: ...atches with setpoint Voltage Setpoint Cap Charge Status Ready GREEN Charging WHITE Not Ready RED Discharging WHITE Workpiece Icon indicates contact with workpiece when green Indicates actual voltage t...

Page 15: ...allows the user to choose welding parameters based on the desired stud size stud material and welding process The resulting cap voltage is set once the stud is selected One parameter stud size stud m...

Page 16: ...d to determine if the characteristics of a production weld fall within the natural scatter of teaching welds pass 1 Select Teach as shown in Item 1 of Figure 2 4 2 Before entering Teach mode the targe...

Page 17: ...ialog Scroll to select Yes to clear the target 5 The Teaching 0 at the bottom will appear signifying that there have been no teaching welds made so far Produce as good of a weld as you can After weldi...

Page 18: ...at parameter and the red means it fell outside 2 3 2 Setting Tolerances NOTE Once the unit is powered up press the knob once to enter the Process Monitor screen 1 From the Voltage Selection screen pre...

Page 19: ...eral normal welds which should pass If they fail go to the Weld Details screen and check which parameter s have failed they will appear in red and go to the Setup screen to open up the tolerance or di...

Page 20: ...the unit is fully charged and ready to weld 3 2 Welding Operations 1 Set the welding voltage Wait until the Voltage Display screen Item 5 lights up green 2 Rotate the knob Item 3 to the desired level...

Page 21: ...ace SCR If 30VDC replace Control board and Power board E02 Capacitors won t charge after 3 seconds capacitors still less than 20V Replace power board If the problem is not solved replace SCR If neithe...

Page 22: ...Not Visible Weld Very weak Will break Adjustments Increase voltage reduce spring pressure or increase capacitance Issue Acceptable Weld Weld Flash Normal No significant weld splatter Weld Good strong...

Page 23: ...High 180 Stainless Steel 0 12 3 10 45 25 High 180 4 2 Auto Gap Gun NOTE Set plunge or stick out to 2 mm The Pressure is best measured by pressing the spark shield squarely against a scale when the ti...

Page 24: ...tud Welding Inc All Rights Reserved 4 3 Weld Setting Recommendations Weld Setting Change Effect on Welds Capacitance Increase Hotter Voltage Increase Hotter Spring Pressure Increase Colder Contact Mod...

Page 25: ...ft lbs 1 11 1 709 276 001 20A Breaker 12 1 709 276 000 High Low Decal 13 1 724 576 003 NCD 3200 Front Decal 14 1 750 614 022 Control CPU PCB 1 15 4 524 005 325 Screw M4 x 8 SHCS SS 10 in lbs 16 5 524...

Page 26: ...x 30 HHCS SS 80 in lbs 46 0 4 103 479 000 Thermal Tape 47 1 750 614 060 NCD Power Board Assembly 1 48 17 524 005 326 Screw M6 x 14 HHCS SS 40 in lbs 14 49 1 724 576 017 NCD 3200 Rating Decal 50 1 724...

Page 27: ...Bridge to Cap Buss Harness NS 1 723 247 107 Voltage Sense Resistor Harness NS 1 723 247 012 Power Switch to Circuit Breaker Wire NS 1 723 247 206 Voltage Selection Jumper Plug NS 1 560 300 015 NCD 320...

Page 28: ...NCD 3200 Manual NCD 3200 Parts List Exploded View Part No 729 110 037 Rev 1 31 May 2016 2014 Nelson Stud Welding Inc All Rights Reserved...

Page 29: ...NCD 3200 Manual Wiring Diagrams for NCD Part No 729 110 037 Rev 1 31 May 2016 2014 Nelson Stud Welding Inc All Rights Reserved 6 Wiring Diagrams for NCD 6 1 Standard System...

Page 30: ...NCD 3200 Manual Wiring Diagrams for NCD Part No 729 110 037 Rev 1 31 May 2016 2014 Nelson Stud Welding Inc All Rights Reserved 6 2 Autofeed System...

Page 31: ...s offered with the NCD line of equipment Contact and Auto Gap Each method has its own uses and set up requirements The method you select will be determined by the metals to be joined the esthetics str...

Page 32: ...68 2105 800 635 9353 Fax 909 468 2112 Subsidiaries International England Nelson U K Ltd 47 49 Edison Rd Rabans Lane Ind l Estate Aylesbury HP19 8TE UK Phone 44 1296 433500 Fax 44 1296 487930 Middle Ea...

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