Công nghệ SMT máy DEK hệ thống paste dispenser system PASTE DISPENSER SYSTEM OVERVIEW ELECTRICAL SCHEMATIC ADJUSTMENTS AND SETTINGS Paste Level Sensor Paste Cartridge Tilt Damping Paste Dispenser Regulator
PASTE DISPENSER SYSTEM OVERVIEW CHAPTER 14 PASTE DISPENSER SYSTEM OVERVIEW View on Front of Print Carriage 10 View on Rear of Print Carriage Item Description Item Description Paste Dispenser Assembly Paste Drip Tray Print Carriage Paste Dispenser X Motor Paste Pressure Regulator Paste Dispenser X Drive Belt Paste Cartridge Release Lever Paste Dispenser Mounting Tray Paste Cartridge 10 Paste Cartridge Tilt Actuator Chapter Issue Nov 07 Technical Reference Manual 15.1 PASTE DISPENSER SYSTEM OVERVIEW The paste dispenser is only utilized when the machine is fitted with squeegees The paste dispenser is driven in the X direction on a linear bearing guide rail mounted on the paste dispenser mounting tray This drive, together with the movement of the print carriage (in the Y direction) enables the paste dispenser to be moved in order to dispense paste anywhere on the screen The paste dispenser is mounted on a pivot and is pneumatically driven to the vertical position for dispensing paste The paste dispenser is designed to accommodate 1kg paste cartridges An additional spacer is provided so that 500g paste cartridges may be used The paste is dispensed by applying pneumatic pressure to the paste cartridge The paste level sensor (figure below refers) may be utilized in two different ways dependant on which software option is employed on the machine The first method involves the paste level sensor monitoring a particular point on the paste cartridge When the paste level passes this point, the software alerts the operator on the MMI The second method displays a percentage of paste remaining (Time To Go) on the MMI To achieve this, the paste cartridge is driven in the X direction allowing the sensor to scan the length of the paste cartridge The software notes the position of the paste in the cartridge and converts this to a percentage remaining NOTE The Time To Go software registers a full cartridge based on the paste position in an unused 1kg cartridge, therefore if a 500g cartridge is fitted, the Time To Go indicates 50% when the cartridge is full Paste Level Sensor Paste Cartridge Horizontal Sensor Paste Dispenser Home Vane Paste Dispenser Home Sensor Paste Cartridge Vertical Sensor View on Rear of Paste Dispenser Figure 14-1 Paste Dispenser Sensor Locations 15.2 Technical Reference Manual Chapter Issue Nov 07 Chapter Issue Nov 07 Technical Reference Manual M37PL05 M37PL08 PC +24V US 0V Return +24V SW 0V Return +12V 0V Return Motherboard USB NextMove ES (I/O Node 1) M36 Machine Control M36PL35 CAN Bus +24V US 0V Return +24V SW 0V Return +12V 0V Return NOTE The breaks in the CAN Bus chain reflect that additional I/O Nodes may be fitted, refer to Machine Control chapter for the complete CAN Bus chain M37 PSU Enclosure N3SK1 N3SK3 N3SK2 N10PL4 N3SK3 N10SK2 M DIG IN DIG OUT DIG OUT CAN DIG IN Out CAN In DIG IN Print Carriage I/O Node Print Carriage CAN Out CAN In I/O3 Paste Dispense Stepper Node 10 9PL26 9PL27 N3PL8 N3PL8 N3PL44 N3PL44 +12V Signal 0V +24V Signal 0V (L) N3PL10 N3PL10 N3PL11 N/C N10PL1 9SE12 Paste Pressure Solenoid 9SOL26 Paste Cartridge Tilt Actuator 9SOL27 Paste Cartridge Vertical Sensor 9SE14 Paste Cartridge Horizontal Sensor 9SE13 Paste Level Sensor 9SE15 Paste Dispenser Home Sensor 9SE12 PASTE DISPENSER SYSTEM ELECTRICAL SCHEMATIC ELECTRICAL SCHEMATIC 15.3 PASTE DISPENSER SYSTEM ADJUSTMENTS AND SETTINGS ADJUSTMENTS AND SETTINGS Paste Level Sensor Mechanical Setting Check the 35mm measurement as shown below 35mm LED Adjuster and Indicator Paste Level Sensor Sensor Bracket Paste Level Sensor Securing Nuts (2 positions) View on Rear of Paste Level Sensor and Bracket If adjustment is required, loosen the securing nuts on the sensor bracket, adjust the cartridge empty sensor to achieve the 35mm dimension with the bracket Tighten the securing nuts NOTE If the sensor is too close to the cartridge it could foul the cartridge when dispensing paste Electrical Setting Fit an empty paste cartridge into the paste dispenser Select Maintenance Select Diagnostics Use Next or Previous to highlight Paste Dispense System Select Select Module Move the paste dispenser by hand so the paste cartridge is in line to the paste level sensor If the LED adjuster and indicator is illuminated, turn it clockwise until the light switches off (paste cartridge empty OFF in Diagnostics) Turn the LED adjuster and indicator anti-clockwise until the instant the light switches on (paste cartridge empty ON in Diagnostics) Note the position of the LED adjuster and indicator (position A) Fit a full paste cartridge containing the paste most commonly used on the machine being adjusted 10 Ensure that the paste cartridge is still in line with the paste level sensor 11 Turn the LED adjuster and indicator anti-clockwise until the instant the light illuminates (paste cartridge empty ON) Note the position of the LED adjuster and indicator (position B) 12 Turn the LED adjuster and indicator clockwise half the difference between the positions A and B The LED adjuster and indicator should not be 15.4 Technical Reference Manual Chapter Issue Nov 07 PASTE DISPENSER SYSTEM ADJUSTMENTS AND SETTINGS illuminated (paste cartridge empty OFF) NOTE The solder paste consistency varies throughout the cartridge Take a full cartridge and ensure the sensor can detect paste throughout the length of the cartridge without the output switching on and off Keep the distance between the sensor and the cartridge the same as when mounted in the dispenser, as changes in distance cause the output to switch Each new paste cartridge should be given a vigorous shake and squeeze prior to fitting, this helps prevent future problems with the sensor due to paste inconsistency LED Adjuster and Indicator Paste (Cutaway View) Paste Cartridge 13 Select Exit 14 Select Exit 15 Select Back Chapter Issue Nov 07 Technical Reference Manual 15.5 PASTE DISPENSER SYSTEM ADJUSTMENTS AND SETTINGS Paste Cartridge Tilt A speed control valve is fitted to both ports of the paste cartridge tilt actuator to Damping control the paste cartridge speed when moving between horizontal and vertical To adjust the speed control valves carry out the following: Turn the speed control valve adjusters fully clockwise Paste Cartridge Paste Level Sensor Speed Control Valves View on Right Hand End of Paste Dispenser Back off the speed control valve adjusters 1.5 turns anticlockwise Select Maintenance Select Diagnostics Use Next or Previous to highlight Paste Dispense System Select Select Module Use Next or Previous to highlight Drive Cartridge Down Select Run Diagnost Use Next or Previous to highlight Drive Cartridge Up 10 Select Run Diagnost 11 Repeat Steps to 10 several times to ensure smooth operation of the paste dispenser 12 Adjust the speed control valves as necessary 13 Select Exit 14 Select Exit 15 Select Back Paste Dispenser Regulator 15.6 For information on the regulator setting refer to the Pneumatic Module Chapter Technical Reference Manual Chapter Issue Nov 07 ... full Paste Level Sensor Paste Cartridge Horizontal Sensor Paste Dispenser Home Vane Paste Dispenser Home Sensor Paste Cartridge Vertical Sensor View on Rear of Paste Dispenser Figure 14-1 Paste Dispenser. .. Tilt Actuator 9SOL27 Paste Cartridge Vertical Sensor 9SE14 Paste Cartridge Horizontal Sensor 9SE13 Paste Level Sensor 9SE15 Paste Dispenser Home Sensor 9SE12 PASTE DISPENSER SYSTEM ELECTRICAL SCHEMATIC.. .PASTE DISPENSER SYSTEM OVERVIEW The paste dispenser is only utilized when the machine is fitted with squeegees The paste dispenser is driven in the X direction