Công nghệ SMT máy DEK các cảnh báo về an toàn safety features PRINTER SAFETY FEATURES Introduction Safety Notices SEMI Labelling General E Stop Two Button Control Switches Emergency Shutdown PRINTHEAD COVER Safety Interlocks Open Cover Recovery HIGH VOLTAGE PROTECTION Access Hazard Warning Labels ............
SAFETY FEATURES PRINTER SAFETY FEATURES CHAPTER SAFETY FEATURES PRINTER SAFETY FEATURES Introduction This section describes the various safety features that are incorporated into the printer to provide a safe operating and maintenance environment Safety Notices Safety notices in the form of PROHIBITION, WARNING, CAUTION and MANDATORY labels are placed on the printing machine and notices are posted throughout the associated documentation to alert the operator/maintainer to possible hazards which may cause physical injury or equipment damage The following label illustrated below, may be fitted to the printer, this signifies that the user should refer to the Safety section of the Operator Manual before attempting to carry out work on the equipment Prohibition Notices Prohibition notices draw the attention of users/maintainers to prohibiting behaviour likely to cause a risk to health or safety The following table displays the prohibition labels affixed to printer and displayed in the machine documentation: Symbol Definition PROHIBITION STRONG MAGNETIC FIELD A STRONG MAGNETIC FIELD EXISTS IN THE VICINITY OF THE CAMERA LINEAR MOTORS THAT MAY ACT UPON FERROUS OBJECTS WHOSE MOVEMENTS COULD LEAD TO PERSONAL INJURY AND/OR DAMAGE TO THE MACHINE PROHIBITION STRONG MAGNETIC FIELD A STRONG MAGNETIC FIELD EXISTS IN THE VICINITY OF THE CAMERA LINEAR MOTORS THAT REPRESENT A SERIOUS HAZARD TO PEOPLE FITTED WITH METALLIC IMPLANTS PROHIBITION STRONG MAGNETIC FIELD A STRONG MAGNETIC FIELD EXISTS IN THE VICINITY OF THE CAMERA LINEAR MOTORS THIS MAY REPRESENT A SERIOUS HAZARD TO PERSONNEL FITTED WITH A PACEMAKER PROHIBITION MACHINE COVERS IN ORDER TO PROTECT PERSONNEL AND TO PREVENT DAMAGE TO THE MACHINE, COVERS ARE FITTED TO THE MACHINE FRAME THESE PANELS MUST ONLY BE REMOVED BY SUITABLY QUALIFIED PERSONNEL Chapter Issue Nov 11 Technical Reference Manual 2.1 SAFETY FEATURES PRINTER SAFETY FEATURES Warning Notices Warning notices draw the attention of users/maintainers to a potentially hazardous situation which, if not avoided, could result in death or serious injury The following table displays the warning labels affixed to the printer and/or displayed in the machine documentation: Symbol Definition WARNING MOVING PARTS MOVING PARTS ARE PRESENT IN THE VICINITY OF THIS WARNING LABEL, THESE PARTS HAVE THE POTENTIAL TO CAUSE INJURY WARNING BOARD CLAMPS EXTREME CARE MUST BE EXERCISED WHEN WORKING IN THE TOOLING AREA OF THE MACHINE TO AVOID INJURY THE FOILS ON THE FRONT AND REAR BOARD CLAMPS ARE VERY SHARP WARNING FLAMMABLE FLAMMABLE SUBSTANCES ARE PRESENT KEEP AWAY FROM HEAT, SOURCES OF IGNITION AND STATIC DISCHARGES USE IN A WELL VENTILATED AREA WARNING RADIATION RISK OF INJURY TO THE EYES DUE TO LASER LIGHT BEING PRESENT IN THE VICINITY OF THE LABEL DO NOT LOOK AT THE LIGHT SOURCE OR REFLECTIONS FROM A SURFACE WARNING LETHAL VOLTAGE DANGEROUS VOLTAGES EXIST IN THIS EQUIPMENT ENSURE ALL ELECTRONIC COVERS AND MAIN MACHINE COVERS ARE FITTED BEFORE OPERATING THIS EQUIPMENT WARNING HOT SURFACES THE SURFACE OF THIS COMPONENT OR SURROUNDING AREA MAY BECOME HOT DURING PROLONGED OPERATION CARE TO BE TAKEN WHEN WORKING IN THE VICINITY OF THIS COMPONENT WARNING STRONG MAGNET FIELD A STRONG MAGNETIC FIELD EXISTS IN THE VICINITY OF THE CAMERA LINEAR MOTORS THIS MAY PRESENT A HAZARD TO PERSONNEL OR EQUIPMENT 2.2 Technical Reference Manual Chapter Issue Nov 11 SAFETY FEATURES PRINTER SAFETY FEATURES Symbol Definition WARNING COMPRESSED AIR COMPRESSED AIR SHOULD NEVER IMPINGE UPON THE BODY PORTS, PIPES, ETC MUST NEVER BE BLOCKED BY HAND BEFORE CONNECTING OR DISCONNECTING ANY PNEUMATIC COMPONENTS, ENSURE THE COMPRESSED AIR SUPPLY HAS BEEN DISSIPATED AND DISCONNECTED FROM THE MACHINE WARNING E STOP CIRCUIT THE E STOP CIRCUIT FITTED TO THE MACHINE ONLY ISOLATES THE 24V AND 42V SUPPLIES TO THE MAIN CONTACTORS LETHAL VOLTAGES ARE STILL PRESENT WITHIN THE MACHINE AFTER THE E STOP HAS BEEN ACTIVATED WARNING HARMFUL SUBSTANCES CLEANING WIPES AND CLEANING SOLUTIONS MAY CONTAIN SUBSTANCES HAZARDOUS TO HEALTH OBSERVE ALL MANUFACTURERS’ HEALTH AND SAFETY GUIDELINES ALWAYS WEAR APPROVED PROTECTIVE CLOTHING WHEN CLEANING THE MACHINE WARNING MACHINE LIFTING TO PREVENT SERIOUS INJURY TO PERSONNEL, DURING LIFTING AND TRANSPORTATION OPERATIONS, ENSURE THE MACHINE IS LIFTED AND TRANSPORTED IN ACCORDANCE WITH INSTRUCTIONS DETAILED IN THIS SECTION WARNING SOLVENT SPRAY THE UNDERSCREEN CLEANER SPRAYS A FINE JET OF SOLVENT SOLUTION ON TO THE CLEANER APPROVED PROTECTIVE CLOTHING SHOULD BE WORN WARNING HEAVY OBJECT EXTREME CAUTION SHOULD BE EXERCISED WHEN MANUALLY HANDLING HEAVY ITEMS INTO OR OUT OF THE MACHINE Chapter Issue Nov 11 Technical Reference Manual 2.3 SAFETY FEATURES PRINTER SAFETY FEATURES Caution Notices Caution notices draw the attention of users/maintainers to a potentially hazardous situation which, if not avoided may result in minor or moderate injury The following table displays the caution labels affixed to the printer and/or displayed in the machine documentation: Symbol Definition CAUTION RECOMMENDED SOLVENTS ANY SOLVENTS USED MUST COMPLY WITH LOCAL ENVIRONMENTAL GUIDELINES DEK RECOMMEND USING SOLVENTS THAT ARE ENVIRONMENTALLY FRIENDLY, IE CFC FREE AND WATER BASED SOLVENTS USED MUST HAVE FAST EVAPORATION RATES AND FLASHPOINT SPECIFICATIONS GREATER THAN 39ºC CAUTION SOLDER PASTE AND SOLVENTS WHEN USING OR HANDLING ANY SOLDER PASTE OR SOLVENT FORMULATION THE MANUFACTURERS’ RECOMMENDED SAFETY PRECAUTIONS MUST BE STRICTLY ADHERED TO CAUTION SOLVENT SOLUTION DO NOT MIX SOLVENT SOLUTIONS FLUSH THE SOLVENT TANK THOROUGHLY WHEN CHANGING TO A DIFFERENT SOLVENT SOLUTION CAUTION ANTI- STATIC HANDLING STANDARD PRECAUTIONS MUST BE ADHERED TO WHEN HANDLING ELECTRONIC CARDS AND CONFIGURING AND INSERTING INTO THE ENCLOSURES CAUTION EQUIPMENT SERVICING THE LASER DOES NOT CONTAIN USER SERVICEABLE PARTS OPENING THE UNIT COULD CAUSE MIS-ALIGNMENT OF THE LASER, THIS MAY MAKE THE EQUIPMENT DANGEROUS TO OPERATE CAUTION LASER CONTROLS AND ADJUSTMENTS USE OF CONTROLS OR ADJUSTMENTS OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HERIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE 2.4 Technical Reference Manual Chapter Issue Nov 11 SAFETY FEATURES PRINTER SAFETY FEATURES Mandatory Notices Mandatory notices draw the attention of users/maintainers to the prescribed behaviour to be adhered whilst engaged in this activity The following table displays the mandatory labels affixed to the printer and displayed in the machine documentation: Symbol Definition MANDATORY TOXIC CHEMICALS MAY BE PRESENT SAFETY GLOVES MUST BE WORN MANDATORY TOXIC CHEMICALS MAY BE PRESENT EYE PROTECTION MUST BE WORN Chapter Issue Nov 11 Technical Reference Manual 2.5 SAFETY FEATURES PRINTER SAFETY FEATURES SEMI Labelling The following table displays the SEMI labelling that may be applied to the printer: Warning Definition Location Left Hand Upper Side MOVING MECHANICAL PARTS Panel Removing this cover exposes moving mechanical parts that have the potential to cause serious injury Disconnect and lock out the system power before removing this cover Refer to the Lockout procedure at the end of this chapter WARNING Moving Mechanical Parts Removing covers could result in serious injury GENERAL WARNING Disconnect and lock out system power before servicing refer to the Technical Reference manual Refer to the Operator manual or the front of this chapter for a list of all warnings and their definitions Part No 185499 WARNING Moving Mechanical Parts Removing covers could result in serious injury Disconnect and lock out system power before servicing Electro Mechanical Hazards A strong magnetic field exists in the vicinity of the linear motors This may represent a serious hazard to people fitted with a pacemaker Refer to the Operator and Technical Reference manuals MOVING MECHANICAL PARTS Right Hand Upper Removing this cover exposes moving Side Panel mechanical parts that have the potential to cause serious injury Disconnect and lock out the system power before removing this cover Refer to the Lockout procedure at the end of this chapter STRONG MAGNETIC FIELD A strong magnetic field exists in the vicinity of the camera linear motors These may represent a serious hazard to people fitted with a pacemaker GENERAL WARNING Refer to the Operator manual or the front of this chapter for a list of all warnings and their definitions Part No 185499 POTENTIAL HAZARDS Removing this cover may expose operators to parts that have the potential to cause minor injury CAUTION Left Hand & Right Hand Safety Covers Potential Hazards Removing cover may expose operators to minor injury Refer to the Operator manual GENERAL WARNING Refer to the Operator manual or the front of this chapter for a list of all warnings and their definitions Part No 185499 2.6 Technical Reference Manual Chapter Issue Nov 11 SAFETY FEATURES PRINTER SAFETY FEATURES Warning Definition WARNING Electro Mechanical Hazards Removing cover could result in serious injury Only to be removed by trained personnel Part No 185499 ELECTRO MECHANICAL HAZARDS Removing this cover exposes electromechanical parts that have the potential to cause serious injury This cover is only to be removed by trained personnel Location Front Cover GENERAL WARNING Refer to the Operator manual or the front of this chapter for a list of all warnings and their definitions Safety Covers ELECTRO MECHANICAL HAZARDS Removing this cover exposes electromechanical parts that have the potential to cause serious injury Disconnect and lock out the system power before removing this cover Refer to the Lockout procedure at the end of this chapter GENERAL WARNING Refer to the Operator manual or the front of this chapter for a list of all warnings and their definitions Chapter Issue Nov 11 Technical Reference Manual 2.7 SAFETY FEATURES GENERAL GENERAL DEK printing machines incorporate safety features that provide a safe operating environment for the operator and the printer The design and implementation of safety circuits used in DEK machines conform to: • BS EN13849-1:2006 part & E Stop The printer is fitted with an emergency stop push button control switch (E Stop) located within easy reach of the operator Operation of the E Stop initiates suspension of printer operation Covers The printhead cover is fitted with a cam interlock switch to protect personnel from internal moving parts NOTE The pass through lane belt motors on the Dual Lane Printer continue running when the printhead cover is open but stop when the E Stop is pressed The safety features designed into the printer are for the protection of all operators and maintenance personnel DEK strongly recommend safety devices are never overridden There are two machine cover designs as follows: • Sliding Glass Cover (two variants - type SGC and type iX) • Metal Covers Left Jog Button System Button Right Jog Button E Stop View on Front of Machine Figure 2-1 Sliding Glass Cover Design - SGC 2.8 Technical Reference Manual Chapter Issue Nov 11 SAFETY FEATURES GENERAL Left Jog Button System Button E Stop Right Jog Button View on Front of Machine Figure 2-2 Sliding Glass Cover Design - iX Lid Bolt A lid bolt is fitted to all printers to prevent the front printhead cover from being raised during the print cycle The iX printers have an extra lid bolt fitted to prevent the rear printhead cover from being raised during printer operation The lid bolts are withdrawn and the printhead cover may be raised: Chapter Issue Nov 11 • When Open Cover is requested by software • When pause or stop is selected during a print cycle • When the E Stop is pressed • When the printer is OFF Technical Reference Manual 2.9 SAFETY FEATURES GENERAL Right Jog Button Left Jog Button System Button E Stop View on Front of Machine Figure 2-3 Metal Covers Design 2.10 Technical Reference Manual Chapter Issue Nov 11 SAFETY FEATURES GENERAL Two Button The two button control switches or jog switches are positioned such as to Control Switches maintain maximum safety for the operator whilst solvent priming or paper feeding with the printhead cover open This requires both buttons to be depressed simultaneously for the function to become active The use of these buttons is dependent on the function selected on the printer monitor During normal operation these buttons control paper feed and solvent prime operations When in maintenance mode, the two button control switches control the following diagnostics: • Print Carriage • Squeegee Assembly • Camera Axes • Rail System • Screen Alignment • Rising Table • ProFlow Only one button is required to drive the selected mechanism, the two buttons are used to drive the mechanism in opposite directions, ie jog forward or jog back Emergency Shutdown The printer is fitted with an emergency stop push button control switch (E Stop) The E Stop switch, once pressed, is a latching switch and requires resetting To reset the E Stop, turn the button clockwise until it unlatches Pressing the E Stop or opening the printhead cover cuts the servo axes power supply A warning of this condition is reported on the printer monitor E Stop Module Shut Down Chapter Issue Nov 11 If the E Stop loop is opened by pressing the E Stop or opening the printhead cover, an emergency stop is initiated via the E Stop module When actuated the following areas of the printer are rendered inactive: • Lid Bolt • Moving Rail Stepper • Print Carriage Servo (axis stopped before power is removed) • Paste Cartridge Tilt Up/Tilt Down Pneumatic Actuator Technical Reference Manual 2.11 SAFETY FEATURES GENERAL • Paste Dispense Solenoid and Stepper Motor • Rail System Front and Rear Belt Motor Drives • Rising Table Brake (brake engages when power is cut) • Rising Table Servo • Squeegee/ProFlow Stepper Motor(s) • System Lamp • Underscreen Cleaner Paper Feed Motor • Underscreen Cleaner Solvent Pump • Underscreen Cleaner Squeegee Solenoid • Vacuum Tooling Solenoid • X Camera Motor (axis stopped before power is removed) • X Forward, X Rear and Y Chase Alignment Stepper Motors • Y Camera Motor (axis stopped before power is removed) NOTE The pass through lane belt motors on the Dual Lane Printer continue running when the printhead cover is open but stop when the E Stop is pressed Apart from the metal covers printers, the safety circuits have been designed to conform to EN954 Category and checks for welded contacts before resetting Additional safety is achieved by duplication of the power contactors to provide redundancy Recovery 2.12 When normal working conditions are restored, release the E Stop switch and, when prompted by a screen message, press the System button Technical Reference Manual Chapter Issue Nov 11 SAFETY FEATURES PRINTHEAD COVER PRINTHEAD COVER Safety Interlocks The safety features designed into the printer are for the protection of all operators and maintenance personnel DEK strongly recommend safety devices are never overridden Open Cover Opening the printhead cover allows access to the following areas: • Printhead • Paste Dispenser • Squeegee/ProFlow • Stencil/Screen • Under Screen Cleaner • Tooling The printhead cover is accessible to the operator and an interlock safety switch protects personnel from the mechanisms during normal line operations Lifting the cover cuts power to all motors and selected actuators, via the E Stop module, to all printer modules Full details of the device types fitted can be found in the covers chapter of this manual NOTE The pass through lane belt motors on the dual lane printer continue running when the printhead cover is open but stop when the E Stop is pressed Pneumatically operated lid bolt(s) prevents the cover being raised during the print cycle The lid bolt is withdrawn and the cover may be raised: Recovery Chapter Issue Nov 11 • When Open Cover is requested by software • When pause or stop is selected during a print cycle • When the E Stop is pressed When the printhead cover is closed, normal working condition is restored and the line may be restarted Pressing the system button enables resumption of operations, where this is allowed by the control system Technical Reference Manual 2.13 SAFETY FEATURES HIGH VOLTAGE PROTECTION HIGH VOLTAGE PROTECTION Access Where incoming supply voltages are present, protection is afforded by controlling access to the enclosures that house the supply The printer is fitted with a mains isolator switch that cuts power to all circuits located beyond the switch Hazard Warning Labels Hazard warning labels are placed on the outside of enclosures where dangerous voltage (100V-240V) terminations are present within Earth Bonding 2.14 Apart from metal covers printers, all external metal surfaces are mechanically and electrically bonded to the printer earth point The bonding wire used is identified by its green and yellow insulation and is commonly used to earth bond throughout Care should be taken when removing these links that when they are replaced they are secured tightly and cleanly Technical Reference Manual Chapter Issue Nov 11 SAFETY FEATURES LOCKOUT LOCKOUT Electrical Lockout WARNING LETHAL VOLTAGE DANGEROUS VOLTAGES EXIST IN THIS EQUIPMENT ENSURE ALL ELECTRONIC COVERS AND MAIN MACHINE COVERS ARE FITTED BEFORE OPERATING THIS EQUIPMENT Electrical lockout of the printer is achieved by applying a padlock, or any other suitable locking device, through the body and the switch shroud of the mains isolator switch This can only be achieved when the mains isolator switch is in the OFF position To electrically lockout the printer, carry out the following procedure: Close down the printer software Switch the mains isolator to the OFF position Fit a padlock or suitable locking device through one of the three lockout points NOTE Dependent on the cover package, the isolator switch may be rotated 90° clockwise This completes the electrical lockout Chapter Issue Nov 11 Technical Reference Manual 2.15 SAFETY FEATURES LOCKOUT Pneumatic Lockout WARNING COMPRESSED AIR COMPRESSED AIR SHOULD NEVER IMPINGE UPON THE BODY PORTS, PIPES, ETC MUST NEVER BE BLOCKED BY HAND BEFORE CONNECTING OR DISCONNECTING ANY PNEUMATIC COMPONENTS, ENSURE THE COMPRESSED AIR SUPPLY HAS BEEN DISSIPATED AND DISCONNECTED FROM THE MACHINE Pneumatic lockout of the printer is achieved by applying a padlock, or any other suitable locking device, through the body and the switch of the pneumatic isolator switch (optional) This can only be achieved when the pneumatic isolator switch is in the OFF position To pneumatically lockout the printer, carry out the following procedure: If the electrical lockout procedure has just been implemented, go to Step Close down the printer software Switch the mains isolator to the OFF position Open the front printhead cover Remove the front panel Turn the pneumatic isolator switch to the off position (when the two holes in the switch lever match up to the two holes in the isolator body) Pneumatic Isolator Lockout Point NOTE Switch shown in the OFF position Fit a padlock or suitable locking device through the lockout point This completes the pneumatic lockout 2.16 Technical Reference Manual Chapter Issue Nov 11 ... Nov 11 SAFETY FEATURES PRINTHEAD COVER PRINTHEAD COVER Safety Interlocks The safety features designed into the printer are for the protection of all operators and maintenance personnel DEK strongly... all warnings and their definitions Part No 185499 2.6 Technical Reference Manual Chapter Issue Nov 11 SAFETY FEATURES PRINTER SAFETY FEATURES Warning Definition WARNING Electro Mechanical Hazards... a list of all warnings and their definitions Chapter Issue Nov 11 Technical Reference Manual 2.7 SAFETY FEATURES GENERAL GENERAL DEK printing machines incorporate safety features that provide