Unitek UNIBOND 2 Скачать руководство пользователя

Страница: 44 / 49

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Содержание UNIBOND 2

Страница 1: ...service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE IN...

Страница 2: ...LINII FIC U N I B O N D 0 0 40 dr too Model UB2 Model UB2 100 Model UB2 230 41 0 611 Stock No 1 191 01 Stock No 1 191 01 01 Stock No 1 191 01 04 Model UBM S t o c k No 10 266 01 Ohl WARNNING Contact w...

Страница 3: ...sportation charges prepaid B UNITEK EQUIPMENT makes no warranty concerning components or accessories not manufactured by it such as transistors fuses optics batteries etc However in the event of the f...

Страница 4: ...1 8 96 Correctthecalibrationprocedure ERRATA 996 050 Rev A Unibond II User sManual Manual Title 990 050 U n k n o w n A 8 9 6 Manual Part No D a t e R e v Addendum Date REVISION RECORD Unitek Miyachi...

Страница 5: ...aragraph 8 02 Last sub paragraph is 8 02 05 SHOULD BE 14 25 to 15 57 volts at side of C24 14 40 to 15 60 volts at side of C23 16 75 to 19 25 volts at side of C27 Add new sub paragraph 8 02 06 Set thep...

Страница 6: ...he remote sensing p o i n t which i s u s u a l l y a t t h e electrodes I n the VOLTAGE CURRENT Feedhack_ Mode t h e PULSE AMPLITUDE i s increased o r reduced by a maximum f a c t o r o f two i n an...

Страница 7: ...Output Transformer i s 1 7 milliohms looking back i n t o the Output Transformer from the sens ing point usually the electrodes o f the welding head T h e r e f o r e the resistance o f either the Mod...

Страница 8: ...ormance o f the system w i l l be reduced as the resistance between the Terminals o f the Output Transformer and the Sensing Point i s increased o r i f the Weld Resistance i s less than 5 milliohms 2...

Страница 9: ...r e s i s t a n c e I n t h i s case t h e change i n c o n t a c t r e s i s t a n c e s masks t h e i n c r e a s e i n t h e r e s i s t a n c e o f t h e w o r k p i e c e s caused b y t h e i n...

Страница 10: ...o w e s t a t t h e e n d o f t h e c y c l e and i s a l m o s t c o n s t a n t w h i c h means t h a t t h e e n e r g y a n d t e m p e r a t u r e a r e c h a n g i n g a t n e a r l y c o n s t...

Страница 11: ...ROTECTION FEATURE I f the welding load draws more than 1000 amps or i f the output transistors are caused t o operate i n an unsafe region as a r e s u l t o f a radical change i n load resistance t h...

Страница 12: ...O W E SWITCH SWITCH Figure 8A Unibond I I with with optional Meter Accessory f r o n t view MILLIO HM METER METER SWITCH SENSING CABLE RECEPTACLE 4 1 1 1 1 1 1 1 0 1 6 a l e C A U T I O N 111 11 M 1 e...

Страница 13: ...the load connected to the sensing point whenever the Meter Switch i s pressed 2 18 S E N S I N G CABLE Allows the Unibond t o sense the voltage a t the electrodes o f the Welding Head I f the Sensing...

Страница 14: ...0 F BL B L Stereo Zoom Scope Unibond Electrode BPTL Base Plate Thin Line 0 00 1 F re 4 0 00 0 tr i I 0 f 0 _ 0_ 2 p e 0 4 0 0 41 00 7 O M A O p t i c Mounting Assembly O M M AOptic Mounting Assembly A...

Страница 15: ...u i t Breaker b the Plug on the end o f the Line Cord and c t h e position o f the jumpers on the Con trol Transformer Figure 33 a s indicated below TABLE I Unibond I I Control Transformer Connection...

Страница 16: ...om the Weld Head t o the Sensing Cable Connector on the rear o f the Unibond Connect the F i r i n g Switch Cable from the Uni bond t o the F i r i n g Switch Cable from the Weld Head 4 00 E L E C T R...

Страница 17: ...djustment Knob t o produce the desired Electrode Gap 4 02 I N S TA L L AT I O N OF UNITIP TM ELECTRODES MODELS 5OUB AND 86 4 02 1 Loosen the Electrode Holder Clamp Screws S e t the Electrode Gap Adjus...

Страница 18: ...workpiece surfaces D r e s s both electrode types by following 4 05 2 through 4 05 4 4 05 2 P e r i o d i c resurfacing i s required t o remove oxides and welding debris from parallel gap electrodes...

Страница 19: ...ation i s c r i t i c a l and should be kept t o a minimum f o r conductive materials such as copper P u l s e Duration i s also c r i t i c a l when welding resistive materials i n the Voltage Curren...

Страница 20: ...m 2 ms cm CURRENT DURATION CURRENT __ 1 It11OLTAGE 1 _ 4 4 Limmi i 1 VOLTAGE CURRENT 5 volts cm 60 amps cm 5 ms cm 1 DURATION CURRENT VOLTAGE 5 120 volts cm amps 1ms cm cm VOLTAGE CURRENT DURATION CUR...

Страница 21: ...gh the surface oxides S i n c e the contact area was s t i l l very small t h i s area rapidly heated and deformed reducing the pressure and increasing the contact area T h i s i s i l l u s t r a t e...

Страница 22: ...e and Gap so t h a t a satisfactory weld i s made P l a c e the weldments under t h e electrodes A l l measurements must be made using the exact electrode configuration and Electrode Force which would...

Страница 23: ...T h e current peaked t o 160 amps during the f i r s t 1 ms o f Figure 19 and 2 0 a In the Constant Voltage Mode the current decreased l i n e a r l y t o 120 amps u n t i l melting occurred I n the...

Страница 24: ...5 3 5 ELECTRODEGAP inch 0 1 2 0 1 2 OUTPUTRESISTANCE 2 5 RESISTANCE RANGE X 1 5 17 T h e electrodes rapidly become contaminated by the residues from the adhe sives used on c i r c u i t boards T h e V...

Страница 25: ...welding gold plated Kovar i n the Voltage Mode i s excellent T h e settings i n Voltage Current Mode a r e more c r i t i c a l b u t t h e number o f welds which can be made before cleaning the elect...

Страница 26: ...10 W h e n adhesives from the c i r c u i t board begin t o form on the electrodes t h e cleaning procedure outlined i n 4 0 5 should be used Adhesives w i l l s t a r t t o accum ulate on the edges...

Страница 27: ...xy Glass Epoxy Glass Epoxy Glass TRACEWIDTH i n 015 015 015 015 MATL USED FORREPAIR 003 z 015 inch Gold Plated Kovar 003 z 015 inch Gold Plated over 003 z 015 inch Copper Ribbon 32 gauge Bar Wire F O...

Страница 28: ...ed influences and compensate f o r t h e error i n energy by a d justing the duration o f the weld pulse proportionately T h i s w i l l work s a t i s f a c t o r i l y over a narrow range b u t h a...

Страница 29: ...e s a f e operating area o f t h e t r a n s i s t o r s PULSEWIDTH THumBwHEEL SWITCHES PULSEWIDTH i T1MER PULSE AMPLITUDE 1T LIMITER TRANSFORMER C O R E P1AS CURRENT PULSE amPLIF ER rv E R OUTPUT ST...

Страница 30: ...R122 and R125 T h i s current i s directly related t o the secondary current by the transformer r a t i o and must be s c a l ed by t h a t f a c t o r S i n c e the primary windings are switched fro...

Страница 31: ...i s provided a s shown i n Figure 30 so t h a t the feedback voltage Ef h0 i s proportional t o the current i n the 154d resistor Ri t h e r e will be a load resistor value t h a t w i l l pro duce a...

Страница 32: ...es from the Weld Head t o the Unibond Remove the cover from the Unibond 8 02 04 Connect a jumper across R103 Connect a jumper across CR33 8 02 05 Switch the power t o ON and check t h a t the followin...

Страница 33: ...ove the jumper which was Placed across R103 i n 8 02 04 T u r n power On T h e voltage across R103 should be between 0 19 and 0 20 v o l t s A d j u s t R102 i f necessary CAUTION DO NOT ALLOW THE OUT...

Страница 34: ...S e t the Pulse Amplitude t o 0 99 v o l t s and the Pulse Duration t o 79 ms Fire the Unibond A beep should be heard and the Overload Indicator should remain OFF 8 08 03 Now f i r e t h e Unibond and...

Страница 35: ...e Meter w i l l display the resistance o f the Weld Head B a d connections can be found by moving the clip leads toward the Electrodes one connection a t a time METER BLACK RED 1 C14Lti WELD HEAD UNIB...

Страница 36: ...ot connected SOLUTION 2 The Weld Load exceeds 1000 Amps C h e c k with Milliohmeter SOLUTION 3 The resistance o f the Weld Head i s too high Check with Milliohmmeter PROBLEM Poor welds SOLUTION 1 SOLU...

Страница 37: ...ors 7 1 _ 0 i 7 7 1 r 1 71 7 7 1 14 1 12 1 1 7 20 4 1 e 4 4 t 0 7 0 S Eff l i l l 0 06 0 0 r _ 7 4 i t e l o w 0 11 E N 1 4 1 1 f i N e t I N 7 f i l f z _ 7 1 L as is s 1 r s a 4 r r K N 1 Y i 11 0 _...

Страница 38: ...POWER SUPPLY PCB ASSEMBLY FRONT PANEL 4 Figure 33A Internal view of Unibond I I Right Side View CONNECTORS Figure 33B Internal View o f Unibond I I L e f t Side View REAR PANEL OUTPUT CABLE CONNECTOR...

Страница 39: ...Figure 34 Internal view o f Milliohm Meter R1 DRIVE ADJUST R19 CALIBRATION ADJUST R6 L I M I T ADJUST 1 34...

Страница 40: ...PR DATE 5 i l i t 4 DATE APPR R E I L E A S E 2 E C 4 9 I SCALE 0 SIZE C DWGNO 4 307 17 r REV SHEET I OF I Figure 35 Milliohm Meter Printed Circuit Board 2 PLcS 1 P 1 4 430717 0 0 R E V CIRCUITSIDE 3...

Страница 41: ......

Страница 42: ...BN 6 8 1 5 1 4W 564 1 215 RESISTOR FILM 5 OHM 5 12W 567 2 947 RESISTOR CBN 4 7 OHM 5 1 4W 561 2 123 RESISTOR CBN 3 3 0 OHM 10 1W 565 1 258 RESISTOR FILM 6 0 4 1 1 1 4W 568 2 422 RESISTOR CBN 2 2 0 1 5...

Страница 43: ......

Страница 44: ...FOR ONIBOND I I 100 V 6 0 6 0 HZ i 0 0 5 1150 2 A t I I 01 M D 2rot i i s y 5 0 6 0 HZ s r C 15 II C2 505 W O t A Y IA O CI 01 I W O 2 At Z O A V 0 0 6 O H L T f cr 1 0 c0 I A 2 5 0 V 5 0 6 0 HZ 1 _ _...

Страница 45: ...tTen RU514 b U T TO U t x i 7 2 c f 1 74 WGI 4 4 r i a _ p2 1 ti O t t riSOLL 6 0 1 1 1 N 9 94 1 WI 11 I I 1 IS1 01 moles m o n M I N REf T O 0 1 0 1 0 Svel t 4 I r e 1 3 8 LAIN 01 40 R I R DE51 4 14...

Страница 46: ...KHz 1 A 1 i 47 71J5T 1 1 0 0 V a l o r i K I 1 It H 1 1 4 i tlt I s O H ilti di o t E c t 1 1 1 1 I 1 Lv 5 1 4 1 5 I F T 0 0 3 _14 1 c 3 V _j_jt y T 4 AtOUST F O R p R a n s o u r r RT O U T 4 71 5 5...

Страница 47: ...ms 1 4 w 1 s norm M I N 011431 Ait W Ofil CRI v CR H S V FIRE r 0 2 _ _ 1 1 1 P 1 1 t r z e t Vr T 644 5 E 04 0040 e I I 0 3 3 7 t 0 i i j _ 28 Li _ i _ 1 _ 10 i l I t 1 f f L t g 0 1 45v M Y V I N 0...

Страница 48: ...NMI I N N I I O M N M I M E I N N M I M I M I N I 111111 I M I M...

Страница 49: ...service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE IN...

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