Page 1
Javelin the leading edge in converting technology for the Paper Film and Foil industries Model: J800/900 MANUAL SINGLE KNIFE SLITTER OPERATION MANUAL INCL. TROUBLESHOOTING MACHINE PROBLEMS JULY 2016 Javelin Machinery (Australia) A.C.N. 005 543 411 ABN 18 005 543 411 Email: sales@javmach.com.au...
JAVELIN MACHINERY (AUSTRALIA) J800 /J900 OPERATION MANUAL (incl. Troubleshooting Machine Problems) IMPORTANT NOTE SINGLE KNIFE SLITTING The principle on which this type of slitting is based, depends on the knife being able to displace the roll width being slit. Materials which are too dense or have been wound too tightly may be unsuitable to slit by this method.
JAVELIN MACHINERY (AUSTRALIA) J800 /J900 OPERATION MANUAL (incl. Troubleshooting Machine Problems) OPERATOR SAFETY PLEASE NOTE FOLLOWING BEFORE COMMENCING OPERATION: Safety should be a constant concern of everyone around any type of machinery. While more than normal precautions were taken in the manufacture of this...
JAVELIN MACHINERY (AUSTRALIA) J800 /J900 OPERATION MANUAL (incl. Troubleshooting Machine Problems) SET UP MACHINE IN PREPARATION FOR SLITTING Connect machine to a power point. Fill up lubricator bowl with light hydraulic oil (ATF). Connect compressed air line to machine. Fit mandrel and lock it in position and raise LH mandrel support.
.The primary bevel on each knife has a long bevel at 8º with a smaller bevel at the outer edge of the knife at 11º to strengthen knife edge. All Javelin grinders are factory set to 11º and care must be taken for this not to change. We recommend knives be either ground on your machine or returned to Javelin in order to maintain 11º...
This will have the effect of dulling the sharp edge. Polish knife edge with Scotch Bright™ IMPORTANT NOTE If knife is slightly chipped you will need to retun it to JAVELIN for repair. The knife grinder on this machine is not intended for heavy Fig 3.3.1...
(incl. Troubleshooting Machine Problems) PRINCIPLE OF OPERATION - SLITTING The JAVELIN series J800/J900 are Manually Operated Single Knife, lathe type slitting machines for cutting log rolls of adhesive tape, foils, films, paper and fabrics. They will accept a log roll up to ∅305 mm (∅12”) x 1700 mm (67”) wide (machines up to Serial No.
Page 9
JAVELIN MACHINERY (AUSTRALIA) J800 /J900 OPERATION MANUAL (incl. Troubleshooting Machine Problems) 8&9 Control & Gauge for pneumatic brake which provides tension control 1. Emergency Stop 6. Speed Controller for on unwind chuck mandrel Digital Electronic Length Counter 4. Chuck ON/OFF 5.
(incl. Troubleshooting Machine Problems) PRINCIPLE OF OPERATION - REWINDING/LOGGING (Optional) The unwind stand (if fitted) is an additional facility which enables the J800/J900 to rewind materials to desired length and core diameter ready for slitting. It is fitted with a variable friction pneumatic brake to control tightness/density and a mechanical counter to measure desired length of finished material.
JAVELIN MACHINERY (AUSTRALIA) J800 /J900 OPERATION MANUAL (incl. Troubleshooting Machine Problems) SETTING UP & OPERATION - UNWIND STAND (if fitted) Load a jumbo roll onto the unwind shaft. Keep the right end of material about 170mm(7”) from disc brake and tighten RH core lock. A grub screw and hexagonal key are all supplied with the machine.
JAVELIN MACHINERY (AUSTRALIA) J800 /J900 OPERATION MANUAL (incl. Troubleshooting Machine Problems) INDEXING Indexing is achieved by traversing the knife to a preset width. The knife pedestal traverses by rack and pinion and is also fitted with linear bearings for smooth movement.
JAVELIN MACHINERY (AUSTRALIA) J800 /J900 OPERATION MANUAL (incl. Troubleshooting Machine Problems) DIGITAL COUNTER (WIDTH DISPLAY) (when fitted) The Digital Counter is connected to a rotary encoder and is graduated in .2mm (.008”) increments. It is used where: greater slit width accuracy is required.
2) Knives must be sharpened on the machine to ensure they run true. If any major regrinding is required, we recommend you return the knife to JAVELIN. 3) Knife motor will not start if chuck is on, the hood is up or knife brake is on.
JAVELIN MACHINERY (AUSTRALIA) J800 /J900 OPERATION MANUAL (incl. Troubleshooting Machine Problems) KNIFE BRAKE (when fitted) A knife brake is fitted to the spindle (see Fig. 3.10). The knob behind the knife pedestal should be tightened just enough to slow down the knife rotation as it cuts through the material.
JAVELIN MACHINERY (AUSTRALIA) J800 /J900 OPERATION MANUAL (incl. Troubleshooting Machine Problems) ROTATING EXPANDING MANDREL The expanding mandrel rotates with the chuck spindle. It is held in place in the chuck spindle by two opposing screws 16 Fig. 7.3. It can be removed from the machine by sliding it out after loosening the 2 lock screws which lock into dimples in the mandrel.
Air pressure of flow rate too high forcing water back into bottle Water pick-up filter blocked NOTE: Low grade detergents cause rust & can congeal and block tubes. Javelin has sourced a good quality lubricant which is now available in 1 Litre containers from Javelin JULY 2016 Page 16...
JAVELIN MACHINERY (AUSTRALIA) J800 /J900 OPERATION MANUAL (incl. Troubleshooting Machine Problems) MANDREL SUPPORT ARM PROBLEM/EFFECT CAUSE REMEDIES Mandrel vibrates Worn pivot bearings or shaft Replace bearings and housings. on mandrel support arm. Sideways movement Bearing loose in bearing Loosen grub screws in bearings between mandrel housings.
JAVELIN MACHINERY (AUSTRALIA) J800 /J900 OPERATION MANUAL (incl. Troubleshooting Machine Problems) SLITTING TOLERANCES CHECKING - KNIFE SPINDLE FOR RUNOUT, Problem – slit rolls out of tolerance or double cutting. Check for axial play and runout in knife spindle as follows: 1.
JAVELIN MACHINERY (AUSTRALIA) J800 /J900 OPERATION MANUAL (incl. Troubleshooting Machine Problems) CHECKING FOR BACKING PLATE RUNOUT: Backing plates that have been dropped onto a hard surface may be out of specification and will need to be replaced. i) Run a smooth flat file across the face of the backing plate and washer to ensure there are no burrs.
JAVELIN MACHINERY (AUSTRALIA) J800 /J900 OPERATION MANUAL (incl. Troubleshooting Machine Problems) MANDREL SLEEVE REPLACEMENT – ROTATING MANDREL Red Polyurethane Sleeve Fits on the section of the mandrel where the expansion jaws are located. Because it is softer the jaws will expand more fully and...
JAVELIN MACHINERY (AUSTRALIA) J800 /J900 OPERATION MANUAL (incl. Troubleshooting Machine Problems) Red Polyurethane 100mm (4”) Sleeve (Expansion Sleeve) The 4” wide red polyurethane sleeve (see Figure 1) is a new accessory which fits on the section of the mandrel where the expansion jaws are located. Because it is softer you will find that it expands more evenly and therefore grips the I/D of the tape core more securely.