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Set up and programming Quality and type of material CINCINNATI machines are designed to be rugged and durable. However, improper adjustment or lack of maintenance can reduce the quality of parts produced on the machine. The quality of a laser-cut edge depends on the combination of a uniform...
1.5” THICK by two lifting links with spacers (C. I. Part #920584 and #921838). The two lifting links (supplied by CINCINNATI INCORPORATED) are attached to the inside of the main frame with 1”-8 UNC SHCS bolts. See Figure 2-1. When lifting with chains, cables or straps, use the maximum length possible to reduce the side loading generated at the lift points.
CINCINNATI INCORPORATED must be consulted. positioned as shown on the foundation plan draw- A certified foundation plan drawing is provided when ing. Consult CINCINNATI INCORPORATED if an the machine is ordered. This drawing will provide the alternative chiller location is required. The chiller...
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FIGURE 2-4 – Reference points for machine leveling FINAL LEVELING Final leveling should be done with a CINCINNATI INCORPORATED Service Representative present. The purpose of final leveling is to ensure that the gantry does not rotate about the X-axis as the gantry moves from end-to-end.
The laser is an intense, highly directional beam of magnetic spectrum pertinent to our discussion. The light that, if directed, reflected or focused upon an area the CINCINNATI CL-6 3000 LASER operates in object, will be partially absorbed. This raises the tem- is located between 3x10...
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Gamma rays 3x10 X-rays 3x10 3x10 Ultraviolet 3x10 rays 3x10 Visible light (380-780 nanometers wavelength) 3x10 3x10 Lasers CINCINNATI CNC LASER Infrared 3x10 rays 3x10 3x10 3x10 Microwave 3x10 FM broadcast band Radio -frequency (RF) waves AM broadcast band 3x10...
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CONTROL MEASURES most important and most often quoted. It pro- vides information on how to classify lasers for The CINCINNATI CNC Laser Center has been safety, laser safety calculations and measure- designed and manufactured using the highest ments and laser hazard control measures. A more engineering control measures practical, however, recent ANSI Standard B11.21-1997 pertains to...
A second laser is part of the CL-6 3000 CNC Laser interact with light and other forms of energy. Center. This is a diode laser which produces a visi- ble red beam.
SUPPLY CABINET. CONTACT WITH VOLTAGE tion, maintenance and service personnel while work- CARRYING CONDUCTORS IS NOT NECESSARY, ing at the CINCINNATI CNC Laser Center. The type AS ENERGY AT THIS POTENTIAL CAN JUMP TO and style of eye protection to use should be worked A CLOSE BODY AT GROUND POTENTIAL –...
Workers assigned to handling pressurized cylinders The CL-6 3000 Laser Center has provisions for an should be properly trained and should work only exhaust system that draws air down from the cut- under competent supervision.
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Oxygen cylinders should not be stored within 20 Unless the cylinder valve has first been closed ft. (6 m) of cylinders containing flammable gases tightly, do not attempt to stop a leak between or near the location of other highly combustible cylinder and regulator by tightening union nut.
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ery) gage by a steady buildup of pressure when sue. When spilled, they tend to spread. The demand is off, the cylinder valve should be vapors emitted by these liquids are also extreme- closed and the regulator removed for repairs. ly cold and can damage delicate tissues.
- a number of warning signs are attached to ted from the laser head. CINCINNATI Lasers. Warning signs are not intend- ed to be a substitute for reading and understanding this Safety Section and the machine Operation, AVOID EXPOSURE Safety and Maintenance Manuals.
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This sign is mounted on operators' side of gantry, DANGER main frame, U-axis and another sign is mounted on X-beam tube. INVISIBLE AND/OR VISIBLE LASER RADIATION WHEN OPEN. AVOID EYE OR SKIN EXPOSURE TO DIRECT OR SCATTERED RADIATION. DANGER 830135 POISONOUS FUMES MAY BE FORMED BY INVISIBLE AND / OR VISIBLE LASER CUTTING.
WARNING DANGER DO NOT CLIMB ON MATERIAL SUPPORT GRIDS OR MACHINE FRAME – THEY ARE NOT SAFE WALKING BEFORE ENTERING THIS AREA, SET OR WORKING THE "DRIVES" KEYSWITCH ON THE SURFACES OPERATOR CONTROL CONSOLE TO THE "LOCK / OFF" POSITION AND DO NOT REMOVE THIS SIGN FROM CNC LASER CENTER 920050 REMOVE THE KEY.
Know your controls, be familiar with emergency PINCH POINT guarding properly installed. shutdown procedures. OPERATOR CONTROLS working O.K. Do not position any part of your body where it may OPERATING MODES functioning properly. be struck or crushed by machine movement. GANTRY and CUTTING HEAD positioning properly.
Maximum Hardness: 200 mg CaCO /liter The pre-mix laser gas must meet the following speci- fications: Maximum Cl Concentration: 50 mg/liter pH Range with additive: 6.5 to 8.0 5 ± 0.25% at 99.99% (or greater) purity Conductivity: < 1000 µ S /cm Chiller Temperature Set Point: 77°F (25°C) 40 ±...
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REGULATOR MANIFOLD TYPICAL APPROXIMATE SPECIFI- TYPE LABEL PURITY PRESSURE GAS USAGE CATION Gas in 4 to 80 PSI 0.36 SCFH CGA 580 LASER 99.99% 25 PSI Premix resonator) Grade 5 10 to 600 PSI 325 SCFH @ 100 PSI ASSIST Oxygen Variable Compatible...
3. Oxygen Assist Gas: High pressure oxygen is regulator. Flow rates and pressure require- the primary assist gas used for cutting most ments will be similar to those of oxygen or metals. Flow rates and operating pressures will nitrogen assist gases. be dependent on each specific application.
AMBIENT TEMPERATURE ter as shown in Figure 4-2. This figure shows max- imum feedrates for CL-6 3000 Laser Centers using 105° F (40° C) maximum Look Ahead Control (LAC). LAC is a combination of 50° F (10° C) minimum several CNC control functions that significantly...
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FIGURE 4 - 2 – Feedrate limit for specified roundness tolerance of hole using Look Ahead Control...
(-X) of the first stop. LASER START-UP Set the focal point near the material surface. Run the MATERIALS REQUIRED program and then jog the Y-Stops, CINCINNATI Part No. 910251, (installed cutting head back (-X) so examine when shipped). 2.38 scribed line on the stop.
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If the scribed line is under 2.375", increase the f. If the error is .002" (.051mm) or less, this pro- parameter value by the distance adjustment (in cedure is complete. parameter units). If the parameter is negative, g. If error is more than .002", change parameter this will make it a smaller negative number.
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O0300 (X-STOP); before the X = 0 stops can be set: G20; G90 N1 F - - - LASER SET UP, ELECTRICAL (by CINCINNATI N2 G89 - - - Service), specifically setting of X-Axis grid shift N3 G53 X-.06 Y5;...
FIGURE 6-2 – CRT / MDI panel OPERATOR CONTROL Action: Enables Laser Center CRM circuits. Indicator: Illuminates when drives are active. STATION Name: DRIVES-LOCK/OFF, RUN The Operator Control Station is made up of two pan- Device Type: Two position keyswitch els - the Machine Operator Panel (Figure 6-1) and Prerequisite: None.
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Name: LASER HV-ON Group: PALLETS Device Type: Pushbutton/indicator (green) Name: UPPER-IN Prerequisite: Laser mains must be ON, high voltage Device Type: Momentary pushbutton/indicator interlock circuits must be satisfied (amber) and laser status must be READY. Prerequisite: The CNC must be in the JOG mode. Action: Activates the laser high voltage power Manual...
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Action: Depressing this pushbutton causes Name: DNC (direct numerical control) the lower pallet to move from the Device Type: Pushbutton/indicator (white) main frame toward the load frame. Prerequisite: CNC must be in the MEM mode. Motion stops if the pushbutton is Action: Depressing this pushbutton places released.
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Name: OPTION STOP ed. That is, no changes can be made Device Type: Toggle pushbutton/indicator (white) to the programs and data in memory. With the keyswitch is the NO position, Prerequisite: CNC must be in either MEM or MDI mode. CNC programs and parameter/diag- nostic data can be edited and loaded.
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Name: READY Group: Auxiliary Device Type: Indicator (white) Name: COOLANT PUMP Prerequisite: Not applicable. Device Type: Toggle pushbutton/indicator (white) Action: None. Prerequisite: None. Indicator: Illuminates when laser is in the Action: Depressing this pushbutton activates READY state. In the start-up the coolant pump.
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effect on the feedrate in the rapid tra- mined by the multiplication pushbut- verse mode. Depressing this pushbut- tons) each time the Y- pushbutton is ton a second time disables the rapid depressed. traverse mode. Indicator: Illuminates flashing when the Y-axis Indicator: Illuminates when the CNC is in the completes its zero return positioning...
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Action: Depressing this pushbutton puts the Action: With the keyswitch in the LOCK posi- CNC in incremental jog mode. In this tion, axis motion, pallet motion and mode, a fixed increment of axis the fume blower are disabled. The key motion takes place each time an axis can be removed in this position.
CRT / MDI PANEL operator panel. See Figure 6-1. Depressing this pushbutton stops The CRT/MDI panel is shown in Figure 6-2 for refer- program execution and disables all ence. A complete description of the operation of this laser center functions except for the panel is given in Section III of the 16-L Operator’s fume blower.
is used for manually opening the U-AXIS REMOTE STATION shutter for mode shots and beam The U-Axis Remote Station is a hand held control alignment. connected by a cable to the main frame. This control The SHUTTER FLASH pushbutton permits the functions described below to be manual- remains active for 2 seconds after ly operated when performing setup or maintenance.
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CYCLE STOP status is maintained Name: until the CYCLE START pushbutton Device Type: Momentary pushbutton (amber) RESET pushbutton Prerequisite: U-axis Remote Station must be depressed. enabled. Indicator: CYCLE STOP indicator on machine Action: When this pushbutton is depressed, operator panel illuminates when the the U-axis will move in the positive CYCLE STOP condition exists.
CAL state for about 5 minutes while the base FOLLOW THIS PROCEDURE CAN RESULT IN discharge is initiated and a laser power calibra- INTERNAL DAMAGE TO THE CHILLER. CINCINNATI tion is performed. INCORPORATED RECOMMENDS LEAVING THE CHILLER DISCONNECT ON AT ALL TIMES UNLESS 12.
is OFF, turn the chiller disconnect ON, and wait 8 the FEEDHOLD pushbutton on either Remote hours before running the chiller. Then the SYSTEM Control Station. switch may be turned to “LOCAL” or “REMOTE” for 10. In an emergency situation, depress the EMER- normal operation.
3. Depress the ZERO RETURN pushbutton. 4. If the RAPID TRAVERSE indicator is illuminat- ed, turn it OFF before proceeding. Press -Y to 4. Depress and hold the X– and Y– pushbuttons jog the cutting head to within easy reach of the until both pushbuttons illuminate flashing.
Abandon the interrupted cut by completing and the following program must be run to set up it in DRY RUN and SINGLE BLOCK mode the power level, assist gas pressure and the shut- until M35, M37, M42 or M47 is command- ter flash system.
LENS CENTERING 6. Apply a small amount of ink to the alignment tip by pressing an inkpad against the tip or by MATERIALS REQUIRED rubbing the tip with a felt marker pen. Place a length of masking tape over the orifice in the Masking tape nozzle tip.
LENS FOCAL POINT LOCATION MATERIALS REQUIRED One sheet of 16 gauge (.060”) or thinner mild steel 24” by 36” (minimum), clamped in place on either pallet. One set of feeler gages with .004” to .020” gages in .001” increments. PURPOSE The location of the laser beam focal point is a crit- ical parameter which affects the quality and accu- racy of the cutting process.
The nominal setting for the 5 inch lens is six (6) tering procedure with the new nozzle tip turns down for a standoff of 0.050”. The nomi- and cut another test part. nal setting for the 7.5 inch lens is seven (7) All edges are bad: The focal point is signifi- turns down for a standoff of 0.050”.
The spatter control flaps when the G89 and G84 macro commands are used. on the Y-box prevent spatter from reaching the X- For programming details, see the CL-6 3000 MACRO axis covers and the operator control station. EXECUTOR MANUAL (EM-443).
Coolant on - Coolant is commanded to flow by pro- programming these power control modes are provid- gramming M08. Coolant will not be allowed to ed in the CL-6 3000 MACRO EXECUTOR MANUAL flow unless an assist gas is sensed at the nozzle. (EM-443).
CUTTING MAX. To program the CL-6 3000 Laser Center for a variety of applications, CINCINNATI INCORPORATED offers three different cutting modes - continuous wave, MIN. pulsed and dynamic power.
Local Coordinate System Setting Machine Coordinate System Selection PROGRAMMING Work Coordinate System 1 Selection Part programs for the CL-6 3000 Laser Center are Work Coordinate System 2 Selection generated using the standard G-Codes and M-Codes Work Coordinate System 3 Selection...
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M-CODE NAME DESCRIPTION M-CODE NAME DESCRIPTION Cut Mode This code will result in the following Timed Z-Axis Servo M38 maintains the Z-axis position Lock until a time period set by PMC timer actions: #9 (milliseconds) has elapsed. 1. Z-Axis (Nozzle) will travel down to top of material.
SECTION 8 OPTIONS OPTICS The (optional) built-in coolant system is available when the (optional) contact head is used. The system Spare 5”: focal length lens. consists of the following elements: Spare 7.5”: focal length lens. Pump and tank assembly located between the main frame and the load frame.
FUME BLOWER INSTALLATION / START-UP KITS A fume blower and motor are provided to draw Compressed Air Dryer/Filter: The dryer/filter fumes down through the fume plenum so that they option cleans compressed air so it can be used in can be vented away from the work area. A fume place of nitrogen to purge the beam delivery system blower is required unless there is a central fume and actuate the shutter mechanism.
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Lower Pallet Special Function: Commonly called Special Voltage Electrics: Provides an additional box cutting or square tube cutting. This allows cut- machine transformer as well as other functional ting of parts on the lower pallet that are up to 7” components to allow the machine to run on voltages high and 24”...
FIGURE 9-2 – Lubrication system distribution block CAUTION USE OF GREASE NOT CONFORMING TO ABOVE SPECIFICATIONS COULD CAUSE PREMATURE BEARING FAILURE. CINCINNATI INCORPORATED recommends a grease conforming to the following specifications: Lithium base, MLGI#2 No graphite or MoS additives FIGURE 9-1 – Grease lubrication reservoir Kinematic Viscosity of 98 CST at 40°C...
MANUAL LUBRICATION the U-axis cover. Each of the three linear bearings has its own grease fitting in the distribution block mounted to the U-axis carriage where the required ITEM LOCATION FREQUENCY LUBRICANT amount of grease can be added. See Figure 9-4. THREE FITTINGS ON U-AXIS U-AXIS...
BEAM BELLOW COMPOUNDS TURNBUCKLE Two compounds are used in the beam delivery sys- tem. One is a synthetic grease (CINCINNATI INCORPORATED Part #922230) intended to lubricate the bellow’s support surfaces, and the second is a vacuum grease (CINCINNATI INCORPORATED Part #922433) intended to create a particle trap in the X and Y-box.
SCRAP REMOVAL CAUTION The scrap removal system is designed to remove FIRE HAZARD IS PRESENT IN THE PROCESS- scrap material from the cutting area after process- ING AREA THROUGH INTERACTION WITH THE ing. The system components are: scraper plates LASER BEAM AND MATERIALS PRESENT IN attached to the lower pallet, scrap trays mounted on THE WORK AREA.
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MATERIALS RECOMMENDED head assembly. See Figure 7-1, SECTION 7 - LENS FOCAL POINT LOCATION procedure. Acetone- reagent grade or certified ACS grade Slide the lens holder out of the cutting head Propanol - anhydrous grade or certified ACS grade assembly. Remove the locknut from the lens Surgical quality cotton balls holder using the tool provided.
Steering Screws ish and for non-uniform color. If the optic Beam is not parallel or appears damaged, contact CINCINNATI centered on mirrors. INCORPORATED Service for further information. BEAM DELIVERY ALIGNMENT PURPOSE Near Field Far Field The beam delivery consists of the following compo-...
! ! ! DANGER ! ! ! FIGURE 9-9 – Alignment fixtures THIS ALIGNMENT PROCEDURE IS TO BE PER- FORMED ONLY BY CINCINNATI TRAINED SERVICE The heart of this procedure is the “card shot” which PERSONNEL. DO NOT ATTEMPT TO ALIGN THE is a special case of the “alignment shot”...
Note: The clearance between the mirror mount and U-AXIS MIRROR ALIGNMENT (First Optic) housing should be set to roughly .100” before If the laser internal optics have been adjusted or beginning the alignment process. Optic #1 is replaced, a complete system alignment is required. non-adjustable and does not require the The alignment must start with adjustment of the res- 0.100”...
7. Jog the U-axis to the U-far position. Take another card shot from this position and label the new card shot “U/U-far”. 8. Compare the two cross hair impressions. If the two card shots do not indicate the same beam position within ±1/64”...
FIGURE 9-14 – X-axis in near field 9. Repeat the two card shots and adjustments of Step 8 until the two cross hair impressions indi- cate the same beam position. 10. If the impressions are the same, but off-center more than ±1/64” (±0.4 mm), adjust the posi- tion of the third mirror using either the shim pack for vertical adjustment or the slide for hor- izontal adjustment.
near (closest to the resonator) and the X-far (farthest 13. If the impressions are the same but off-center from the resonator) positions of the gantry. X-near is more than ±1/64” (±0.4 mm), adjust the posi- at X = 0; X-far is 144”. tion of the moving X-mirror using either slide for vertical and horizontal adjustment.
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OPTIC #5 & OPTIC #6 COOLING LINES Y-AXIS SHOWN IN ACCESS COVERS Y-FAR POSITION FIGURE 9-16 – Access windows for the moving Y-mirror and pre-focusing lens 1. Position the Y-axis at the Y-near position and the X-axis at the X-far position. 2.
14. Repeat Step 13 until both card shots are 4. Take the card shot, note the orientation of the centered. card and label it “Z-UP”. 15. Jog the gantry to the X-near position. Take card 5. Jog the Z-axis to the Z-down position. shots in the Y-near and Y-far positions.
1. Be sure the shutter is closed and the high volt- ALARM MESSAGE REMARKS age is OFF. 1015 Nozzle Interlocks One or more of the three inter- Tripped lock switches on the Z-axis noz- 2. Turn off the cooling flow by turning the two nee- zle are open.
ALARM MESSAGE REMARKS PREVENTIVE MAINTENANCE 2010 Z Axis Below This message is only for the DAILY (Each Shift): Surface Reference non-contact head and indicates the nozzle tip sensed a change in 1. Check focus lens and clean as required. the surface reference that was 1/4 inch below its last averaged position.
The following chart was developed to aid in troubleshooting problems with the machine. The chart contains the questions frequently asked by our customers. If major repairs are required or if the prob- lem has not been identified by using the chart, contact the Service Department at CINCINNATI INCORPORATED for assistance.
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PROBLEM POSSIBLE CAUSE REPAIR No power to machine. Verify line voltage. Control will not turn ON. Check condition of fuses. Power supply failure. Verify power supply voltage. Check condition of fuses. Alarm condition present. Check alarm status and correct any conditions present. Cannot start cycle.
TECHNICAL TRAINING RETURNING PARTS FOR CREDIT CINCINNATI INCORPORATED offers a variety of Operator and Maintenance Training Programs to our 1. No item is to be returned without prior autho- customers to assist in obtaining maximum value rization.
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