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© 2016 Nelson Stud Welding, Inc.  

 Page 22 

All Rights Reserved. 

February 2016 

Part No. 729-110-042 v1.03

 

Item Number  PART NUMBER  

QTY 

DESCRIPTION 

25 

751-585-021 

E-RING 

26 

751-650-001 

GUN BODY-RIGHT  

27 

751-650-002 

GUN BODY-LEFT 

28 

751-650-003 

COVER,FRONT,MACHINED 

29 

751-650-008 

FINISHING WASHER 

30 

751-650-009 

NUT,CHUCK 

31 

751-650-012 

LOCATING PIN 

32 

751-650-022 

WASHER M4 BRASS 

33 

751-650-027 

TRIGGER BUTTON 

34 

751-650-204 

COIL HOLDER  

35 

751-650-209 

WASHER,RESIDUAL 

36 

751-650-210 

WASHER,SPRING 

37 

751-650-211 

SWITCH,TRIGGER ASM 

38 

751-650-216 

COIL ASM 

39 

751-650-241 

SCREW, CD FL SPRING ADJUSTING 

40 

751-650-242 

BEARING,CD FL CHUCK ADAPTER 

41 

751-650-243 

COLLAR, CD FL SPRING ADJUSTING 

42 

751-650-246 

LIFTING ROD ASM FLOATING LIFT 

43 

751-650-247 

REAR CAP ,CD WELD GUN (GAP GUN) 

44 

751-650-305 

ARMATURE SPRING RETAINER  

45 

751-650-306 

MOVABLE CORE ASSEMBLY 

46 

751-650-309 

STOP WASHER 

47 

751-650-310 

LIFTING RING SPRING WASHER 

48 

87-05-22 

TRIGGER SPRING,4 WIRE 

49 

717-093-003 

O-RING,11/16IDx7/8ODx3/32THK 

Содержание NCD+ Auto-Gap Gun

Страница 1: ...d 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 the equi...

Страница 2: ...s previously afforded Nelson s personnel 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 give...

Страница 3: ...y conductor causes localized Electric and Magnetic Fields EMF Welding and cutting current creates EMF around welding cables and welding machines Therefore 1 Operators having pacemakers should consult...

Страница 4: ...nded purpose Do not modify it in any manner 1 Use the proper gas for the process and use the proper pressure reducing regulator designed to operate from the compressed gas cylinder Do not use adaptors...

Страница 5: ...tting Up Foot and Leg Assembly 12 3 3 Setting Spring Pressure Auto Gap Mode 13 3 3 1 Setting Travel Lift and Spring Pressure in Gap Mode 13 3 3 2 Setting Spring Pressure in Contact Mode 14 3 3 3 Chang...

Страница 6: ...o 729 110 042 v1 03 7 3 2 Triggering Contact 24 7 4 Gun Coding 24 7 4 1 Dismantling Reassembling Gap Contact Welding Guns 24 8 Schematics 25 8 1 NCD CTRL TO GUN 12 PIN Auto Gap 25 8 2 Specifications 2...

Страница 7: ...vides superior weld reliability with aluminum and other non ferrous metals Contact welding is generally used with carbon steel and stainless steel especially when weld appearance is not a prime consid...

Страница 8: ...ion tip is flashed off leaving an arc space 3 The remaining stored energy is discharged across the arc space Stud and base material are heated 4 The spring pressure plunges the stud into the work piec...

Страница 9: ...and two wires that go to the trigger When the trigger is pulled the stud rises off the workpiece The gun de energizes and the main spring then pushes the stud back towards the workpiece The arc begin...

Страница 10: ...l Rights Reserved February 2016 Part No 729 110 042 v1 03 2 Features 1 CHUCK NUT 2 TRIGGER 3 CONTROL CABLE 4 WELD CABLE 5 GUN BODY 2 HALVES 6 FOOT ASSEMBLY 7 BELLOWS 8 SPRING ADJUSTMENT COLLAR 9 MAIN...

Страница 11: ...pin assembly for the proper stud length 3 1 2 Adjusting Chuck and Stop Assembly The unit should be switched off before inserting or changing a chuck To adjust the Chuck and Stop Assembly Figure 3 1 Ch...

Страница 12: ...located in the center of the spark shield To install the foot unscrew the leg screws and place them through the holes in the foot Reattach the leg screws to the legs Maintain concentricity between th...

Страница 13: ...ded screwdriver or NCD Set Up Tool 525 001 200 turn the travel adjustment screw on the back of the weld gun counter clockwise until it stops 4 Loosen leg screws 5 Insert stud in chuck 6 Adjust foot so...

Страница 14: ...Set Up Tool 525 001 200 turn travel adjustment screw on the back of the weld gun counter clockwise until it stops 4 Loosen leg screws 5 Insert stud in chuck 6 Adjust foot so that the stud stick out ma...

Страница 15: ...o weld in contact mode In order to make this change follow these steps 1 Loosen set screws 5 2 places 2 Remove the foot and leg assembly and bellows 3 Remove the chuck nut and chuck 4 Unscrew part 41...

Страница 16: ...ng pressure and gap lift using a stud per section 3 3 1 4 Adjust voltage 5 Replace the set up stud with a new one 6 Begin production welding after sample welds have been validated for strength and app...

Страница 17: ...ding Cable Control Cable When checking cables for continuity it is important to slightly pull on all the connectors so that if there is a break the wires will be pulled apart The continuity check can...

Страница 18: ...Torque Test Stud shall be torqued until a pre specified loading is attained or until the stud fails On thin plate a plug of the base material should tear out Physical test procedures for inspecting m...

Страница 19: ...e faster drop time and the faster drop time extinguishes the arc sooner Increasing spring pressure Speeding up the weld time and extinguishes the arc sooner Decreasing voltage Reducing the voltage red...

Страница 20: ...plunge Refer to Sections 3 3 and 8 4 Varying gauges of sheet metal Changes in sheet metal can usually be compensated for by changing the settings on the power supply Springs inside weld tool have fat...

Страница 21: ...ZINC 8 524 005 101 2 SCREW M5X16 FHSC ZINC 9 524 005 103 1 SCREW M3X5 LHS DIN7984 10 524 005 104 1 NUT M5 THICK 11 524 005 105 1 SCREW M5X10 SHC DIN912 12 526 001 233 1 SPRING COMPRESSION 13 526 001 2...

Страница 22: ...4 751 650 204 1 COIL HOLDER 35 751 650 209 1 WASHER RESIDUAL 36 751 650 210 1 WASHER SPRING 37 751 650 211 1 SWITCH TRIGGER ASM 38 751 650 216 1 COIL ASM 39 751 650 241 1 SCREW CD FL SPRING ADJUSTING...

Страница 23: ...2016 Nelson Stud Welding Inc Page 23 All Rights Reserved February 2016 Part No 729 110 042 v1 03 7 2 Exploded Drawing...

Страница 24: ...he front cap 2 and rear cap 1 2 Remove the caps and lay the gun on its right side 3 Remove 3 screws that hold the gun halves together 4 Separate and remove the left gun body such that the internal com...

Страница 25: ...2016 Nelson Stud Welding Inc Page 25 All Rights Reserved February 2016 Part No 729 110 042 v1 03 8 Schematics 8 1 NCD CTRL TO GUN 12 PIN Auto Gap...

Страница 26: ...pless Screw Adjustment Front Ends Adjustable Tripod Spark Shield Max Stud Length Depends on Accessories Dimensions without Cable 7 1 4 x 1 1 2 x 5 1 2 184 mm x 38 mm x 140 mm Weight without Cable 2 2...

Страница 27: ...2 0 236 6 mm 500 001 390 0 125 5 Thd 1 8 500 001 359 0 250 1 4 500 001 356 0 134 0 138 10 Ga 6 Thd 500 001 360 0 312 0 315 5 16 8 mm 500 001 361 0 157 4 mm 500 001 369 0 375 3 8 500 001 357 0 164 8 Th...

Страница 28: ...Spring Pressure Capacitance M3 6 Carbon Steel 12 3 120 15lbs 54K Stainless Steel 12 3 100 15lbs 54K M4 8 Carbon Steel 12 3 120 7lbs 54K Stainless Steel 12 3 120 15lbs 54K M5 10 Carbon Steel 12 3 130 1...

Страница 29: ...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 East Asia Paci...

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