Global Cell Phone Repair Parts & LCD Refurbishing Machines Wholesale Online Store Tel: +86 13528895042 Mail: Sales@xicart.com Skype: sales.xicart Website: www.xicart.com 3 in 1 Air Bubble Remover Machine Global Cell Phone Repair Parts & LCD Refurbishing Machines Wholesale Online Store Tel: +86 13528895042 Mail: Sales@xicart.com Skype: sales.xicart Website: www.xicart.com 1. Safety rules--------------------------------- 2. Specifications--------------------------------- 3. Features------------------------------------ 4. Operating process as Air Compressor------- 5. Operating process as Vacuum Pump------- 6. Operating process of Air bubble removing----- 7. Maintenance--------------------------------- 420mm 300mm 310mm Global Cell Phone Repair Parts & LCD Refurbishing Machines Wholesale Online Store Tel: +86 13528895042 Mail: Sales@xicart.com Skype: sales.xicart Website: www.xicart.com 1.Safety rules For your personal safety, please read the manual carefully, be familiar with the machine's applications and limitations, as well as the related potential danger . A. Please read the manual carefully before usage. B. Do not start device before closing the doors. C. Do not force to open the debubblers door or screwing the screws before eliminateing air bubbles or existing cavity pressure. D. Using a third ground connectionpoor ground line may cause equipment damage or endanger personal safety. E. Only professional man can open electrical boxes. 2.Machine technicals Machine driverAC220V 900W Optional for AC110V /AC220V Working environment20-30,clean and dustfree. Efficiency : 1H/80pcsdefoaming assisted type Heating mode: constant temperature heating Device size420*310*300mm Device weight(NT)32kg Device power900W Defoaming parameters Cavity sizeH 200mDiameter 120mmput into 15pcs 7-inch screen one-time Working temperatureSuggested set 35C~45Ccan be adjustable according to different OCA temperature) Defoaming timeSuggested 8~10 minutesit is best Global Cell Phone Repair Parts & LCD Refurbishing Machines Wholesale Online Store Tel: +86 13528895042 Mail: Sales@xicart.com Skype: sales.xicart Website: www.xicart.com Air compressor parameters Pressure: 6Mpa Tank6.5L Vacuum Pump parameters PowerAC220V 50Hz 20uF 550W Rated current 2.6A Global Cell Phone Repair Parts & LCD Refurbishing Machines Wholesale Online Store Tel: +86 13528895042 Mail: Sales@xicart.com Skype: sales.xicart Website: www.xicart.com 3. Operation Process of Air compressor 1. Closed the door 2. Turn on the Inflatable key ; 3. Wait the pressure from tank to get at the setting ; 4. Connect the targed machine by tube with this machine ; 5. Turn on the Valve of air compressor. 4. Operation Process of Vacuum Pump 1. Power on ; 2. Connect the targed machine by tube with this machine ; 3. Press Vacuum Bottom 4.Handle the Vacuum Time by operator ; 5. Press Vacuum botton again when you need stop vacuum . 5. Operation Process of Bubble removing NoteThe bubble will be larger after fitting, because of OCA glue.we can remove bubbles as following tip 1 1. Put the LCD with OCA glue onto foamNote stagger cable foam of IC position 2. Open the door and put into the tray to compartment 3. Close the door 4. Push button 5. Set the time according to remaining bubbles. 6. Push button again and take out. 2 1. Used defoaming assisted type for debubblers. 2. Put product into the debubblers cavity, 15pcs 7-inch screen one-time. Global Cell Phone Repair Parts & LCD Refurbishing Machines Wholesale Online Store Tel: +86 13528895042 Mail: Sales@xicart.com Skype: sales.xicart Website: www.xicart.com 3. Close door. 4. Set the time and press start button for debubblers. (Time suggest 10mins, temperature suggest 32 Celsius. ) 5. Debubblers was deflated completely after setting time,also take out from the door. 6. Features * Can be used by Autoclave, Air compressor, Vacuum Pump ; * Can be working with KO No.1 Vacuum OCA Laminating machine ; * No more installation, just plug on can start to work ; * Small vibration, quiet, safe and durable * Debubblers cavity materials is 304 15mm stainless steel,safe ; * The components are imported from Japan ; * Simple one-touch operation ; * Japan temperature control, temperature can be accurate to + / - 1 ; * Debubblers mode does not affect on the operation mode of air compressor and vacuum pump ; Global Cell Phone Repair Parts & LCD Refurbishing Machines Wholesale Online Store Tel: +86 13528895042 Mail: Sales@xicart.com Skype: sales.xicart Website: www.xicart.com * Small Volume. Compact and Convenient. Three functions in one machine. 7. Maintenance Item Pay Attention Tank check and clean odds and ends Filter valve Regularly Release waterSuggest one time each two weeks Cooling network check and clean odds and ends

NR Code No: 52101/MT M.Tech. I-Semester Regular Examinations, March-2008. MACHINE MODELLING & ANALYSIS (Common to Power Electronics & Electric Drives, Power & Industrial Drives, Power Electronics) Time: 3 hours Max. Marks: 60 Answer any FIVE questions All questions carry equal marks. --- 1.a) What is generalized machine theory? What are the restrictions of generalized machine theory? b) At what conditions the basic G.M.Theory can be applied? c) Write the voltage equations for Krons primitive machine in matrix form. What observations are made from the impedance matrix of this machine? 2.a) Obtain mathematical modeling in matrix form for a given separately excited d.c.motor. b) Obtain the transfer function of a d.c. separately excited motor. Neglect only frictional torque and also write the formulae for undamped natural angular frequency and damping factor. 3.a) The parameters of a 5 h.p d.c. shunt motor are Calculate the steady state rotor speed 0.6 , 0.012 , 120 ; 120 ; 1.8 240 .a AA f FF AF a fr L H R L H L H and V V V= = = = = = =r for It=0. b) Develop machine model for a d.c. compound motor, with the help of neat schematic diagram and primitive diagram. Arrange the final equations in state space form. 4.a) What do you understand by the term Linear Transformation as used in electrical machines? b) Explain the term invariance of power as applied to electrical machines. c) Explain phase transformation and Active transformation used in a.c. machines. 5.a) Draw the basic circuit model for a 3-phase induction motor for stator as well as rotor and obtain voltage equations in the form of matrices interms of stator and rotor currents. b) Derive and obtain expressions for flux linkages in the two axis model for a 3-phase induction motor from , ,a b c values. (Contd2) -2- Code No: 52101/MT 6.a) Obtain the expressions for a 3-phase induction motor (Voltage and current) in state variable form in i) stator reference frame and ii) synchronously rotating frame. b) Obtain the torque equation of 3-phase induction motor from mathematical modeling of motor. 7.a) Derive expressions for armature to field mutual inductances and armature self inductances for a salient-pole synchronous machine. How are these inductance expressions modified for a cylindrical rotor synchronous machine? b) A 3-phase, 50Hz cylindrical rotor synchronous machine has the following parameters: Self inductance for phase a = 3.15 mH. Armature leakage inductance = 0.35 mH. For this machine, calculate the mutual inductance between armature phases and its synchronous reactance. 8. Obtain the expressions for a poly phase synchronous motor (voltage and current) in state variable form in i) stator reference frame and ii) rotor reference frame. ###