ProtoPlace S – Dispensing procedure Tutorial
Contents
1. The duration of the pulse together with air pressure defines the quantity of pressed out medium and volume of the drop Raise OE D The Pause function determines the speed of ine repetition of the Pulse function The time between Back kkkkkk two impulses should be long enough that you will be Dec able to come from one point to another point The time of the pulse is set by using the ZA and V keys by selecting the function Inc or Dec Pause is set within the range from 0 1 to 2 0 seconds in steps of 0 1 second Default value is 0 5 seconds When the lengths of the Pulse and Pause are set correctly the foot switch can be pressed all the time Only moving from one to another position is necessary ProtoPlace S Dispensing procedure 12 25 7 2012 _ UA Laser amp Elektronika CAUTION The quantity of the pressed out medium regarding the set parameters can vary because of changing the viscosity of the CAUTION medum Viscosity of media is prescribed by manufactures and it can vary during work Viscosity is varies due to several causes changes of the ambient temperature influence of lamps on the manipulator which is mounted near the cartridge moving of the media inside the cartridge compression and stretching and so on Please be careful and observe leaking of the medium all the time If necessary change some of the parameters air Pressure vacuum impulse duration during the ope2. Connect the air tube to the air connection outlet located on the rear side of the manipulator head Image_13 and _13a Image_13 Image_13a ProtoPlace S Dispensing procedure 9 25 7 2012 Laser amp Elektronika 3 Dispensing procedure 3 1 Setting the dispensing unit Switch the machine ON an MS Select Dispense mode by pressing the ZA key on the Place kkkkkk keypad kkkkkk Select manual mode in the basic Dispense menu Dispense Press the D gt key on the keypad to select Man mode Auto Back kkkkkk Manual Dispense With manual dispensing the dispensing medium leaks out of the cartridge for the duration of time Back BrakeON which is equal to the time the foot switch is pressed kkkkkk When the switch is released the leaking from the cartridge stops Set the air pressure with the pressure regulator knob between 2 and 5 bars 0 2 to 0 5 MPa The setting of air pressure depends on the medium viscosity and the needle diameter mounted on the syringe LPKF Recommends When a Fine pitch solder paste type 4 and the smallest needle diameter are used the maximum air pressure can be set ProtoPlace S Dispensing procedure 10 25 7 2012 Dispense Auto Back Man kkkkkk ProtoPlace S Dispensing procedure 25 7 2012 Press to the foot switch to activate leaking of the medium from the cartridge Observe leaking of the medium from the cartridge a
3. URE Laser amp Elektronika ProtoPlace S Dispensing procedure Tutorial _ UA Laser amp Elektronika Copyright 2012 LPKF d o o Any distribution or copying of this manual or parts of this manual in any form and use of its contents require a written permission of the company LPKF The contents of this manual are subject to change without prior notice This document is a translation of a Slovenian original ProtoPlace S Dispensing procedure 2 25 7 2012 _ UA Laser amp Elektronika Introduction This tutorial leads you through the process of preparation installation and use of dispensing unit on the ProtoPlace S device Warnings Copyright 2012 LPKF d o o Copying and distributing these instructions in their entirety or in part is only permitted by LPKF approval in writing Note Data can be altered without prior notice Original Instructions LPKF is not liable for any damage occurring due to improper use of these instructions Safety notes Before using the device carefully read the User manual and familiarize yourself with the device Carefully read the chapter Safety notes Contents 1 Preparation of the solder paste 2 Installation of the dispensing unit 3 Dispensing procedure ProtoPlace S Dispensing procedure 3 25 7 2012 _ UA Laser amp Elektronika 1 Preparation of the solder paste Take a cartridge with solder paste or s
4. l Dispense kkkkkK Back BrakeON kkkkkkK Automatic Dispensing Basic method l Auto Dispense Pulse Back BrakeON Pause J Advanced method gt Auto Dispense Pulse Back BrakeON Pause 3 ProtoPlace S Dispensing procedure 25 7 2012 URE Laser amp Elektronika At any time when axes are blocked we can simply release the brakes with the function BrakeOFF By pressing the lt key on the keyboard we choose the Back function which takes us back to the basic Dispense menu The function of automatic dispensing is applied when we have a large number of soldering pads of the same size which follow each other in a certain sequence When using automatic dispensing the length of the impulse must be set by which the quantity of pressed out medium and the speed of its repetition is determined The needle is carried above the dispensing area and put near the dispensing position When satisfied with the position the foot switch is pressed and solder paste is dosed on the pad The quantity of solder paste is previously set with the Pulse option co You can also activate the dosing with the dispensing needle but this is rarely used The needle is carried above the dispensing area and put near the dispensing position Press the gt key on the keypad to choose the function BrakeON All three axes are blocked and fine adjustment of the micro table is possible Pulse and Pause options can al
5. nd increase or reduce air pressure Release the foot switch Observe if the medium stops leaking immediately after releasing the foot switch non drop function For media with high viscosity rare media besides pressure vacuum is also used Vacuum is used in case pressure is not supplied so the medium doesn t leak out of the dosing needle or remains at the same level Set the dispensing vacuum by rotating disp vacuum knob Increase vacuum in case the medium doesn t stop leaking or reduce vacuum in case medium goes to high up into the cartridge When you are satisfied with the leaking of the medium in manual mode you can switch to automatic mode if you would like to use this mode Select automatic mode in the basic Dispense menu Press the A key on the keypad to select Auto mode _ U Laser amp Elektronika 11 URE Laser amp Elektronika Auto Dispense gt Depending on the surface dimension or the volume Pulse of the drop to be dispensed the length of the Pulse Back BrakeON should be set Pause Press the ZA key on the keypad to set the length of 3 the Pulse Rulse O The pulse duration can be set by setting the time in Ine seconds Back kkkkkk Press the ZA key on the keypad to select Inc which Dec prolongs the time or V key to select Dec which 4 shortens the time The scale of the impulse is set in the range between 0 1 and 9 0 seconds in steps 0 1 second Default setting is 0 5 second
6. ome other medium out of the fridge at least 2 hours before use caution The medium should be allowed to warm up to ambient temperature before opening In case the solder paste is not stored in the cartridge use the following procedure Take an empty syringe with a plunger and fill it with the solder paste Take an empty syringe insert a piston in Take a Luer lok Mount the fitting on the empty syringe Connect the filled syringe to the other side of the cartridge fitting Move the solder paste from filled to the empty cartridge by pushing the plunger D ON go Note Luer lok is a registered trademark of Becton Dickinson company gt me e a b C d e f i s Fa even better solution is using the plunger on both syringes and repeating the moving process back and forth from one to the other syringe a couple of times This process will remove possible air bubbles in the paste and warm it up After the process is finished replace the plunger with a cartridge piston 2 Installation of the dispensing unit 1 Mount the cartridge adapter with the connection tube on the filled syringe Insert the cartridge adapter into the syringe Image_1 Turn the cartridge to fix it with the adapter Image_2 Image_3 Image_1 ProtoPlace S Dispensing procedure 4 25 7 2012 Image_2 Image_3 MERKE Laser amp Elektronika 2 Set an adequate dosing needle to the cart
7. ration ProtoPlace S Dispensing procedure 13 25 7 2012 _ UA Laser amp Elektronika Set the height of the dispensing needle There are two ways to set the height of it e set it to the level of the picking needle e setit to the level where it touches the printed circuit board Manual Dispensing Manual dispensing is used when we are presented with a great number of variously sized soldering pads that do not follow each other in a certain sequence With manual dispensing the dispensing medium leaks out of the cartridge for the duration of time which is equal to the time the switch is pressed When the switch is released the leaking from the cartridge stops Basic method The needle is carried above the dispensing area and put near the dispensing position Manual Dispense When satisfied with the position the foot switch is m pressed and the solder paste is dosed on the pad Back BrakeON kkkkkk Advanced method The needle is carried above the dispensing area and put near the dispensing position Manual Dispense Press the D key on the keypad and choose the mm function BrakeON All three axes are blocked and Back BrakeON fine adjustment of the micro table is possible kkkkkk When satisfied with the position the foot switch is pressed and the solder paste is dosed on the pad ProtoPlace S Dispensing procedure 14 25 7 2012 Manual Dispense kkkkkK nt SER BrakeOFF_ kkkkkkK J Manua
8. ridge Image_4 Image_5 ProtoPlace S Dispensing procedure 25 7 2012 Image_4 Insert the assembled cartridge in the cartridge carrier and fix it with a Hex L Allen key Insert the cartridge in the carrier Image_5 Fix it with a Hex L Allen key Image 6 MERKE Laser amp Elektronika Image_6 Manipulator head in basic position Image_7 Mount the dispenser unit to the manipulator and connect the air tube to the rear side of the manipulator white air plug Image_7 Push the manipulator head down Image_8 Image_8 ProtoPlace S Dispensing procedure 6 25 7 2012 MERKE Laser amp Elektronika Insert the dispenser unit into the manipulator head in a way that the sledge which is located on the cartridge carrier catches the groove inside the manipulator Image 9 9a _9b and _9c For a successful mount the manipulator head must stay in lower position Image_9 Image_9a Image_9b ProtoPlace S Dispensing procedure 7 25 7 2012 Image_10 Image_11 Image_12 ProtoPlace S Dispensing procedure 25 7 2012 _ UA Laser amp Elektronika Push the dispenser unit up to the stop Dower fixes the dispenser unit into guidance Image_10 View of the mounted dispenser unit Image 11 Stretch the spring and stick its end on the fixing pin Image_12 and _12a _ UA Laser amp Elektronika Image_12a
9. so be adjusted with brakes turned on 15 _ UA Laser amp Elektronika At any time when axes are blocked we can simply Auto Dispense release the brakes with the BrakeOFF function Pulse ur BrakeOFF Pause When satisfied with the position the foot switch is pressed and solder paste is dosed on the pad Pulse option The quantity of solder paste is previously set with the By pressing the lt key on the keyboard we choose the Back function which takes us back to the basic Auto Dispense Pulse Back BrakeON Dispense menu Pause LPKF recommends For rectangular pads where one dot is usually not enough drawing of the line or making a few dots one after another is recommended si CAUTION After completion of the dispensing function it is necessary to remove the dispensing needles from the cartridges and thoroughly clean them The cartridges must be suitably closed on both sides Use the attached caps ll CAUTION Store it in a cold place y Store the solder paste syringes according to the instructions of the manufacturer Store syringes tip down in a refrigerator ProtoPlace S Dispensing procedure 16 25 7 2012 UAN Laser amp Elektronika Place for your remarks ProtoPlace S Dispensing procedure 17 25 7 2012
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