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V Offset printing unit

一、Composition of offset printing units

1、Frame (driving side) 2、water and ink unit 3、Frame (operating side) 4、Plate

roller bridge 5、Common platform 6、Blanket roller bridge 7、Regulating handle 8、

operating handle 9、Operational panel 10、plate cylinder 11、blanket cylinder 12、

impression cylinder 13、Coloring device

二、Replace blanket cylinder

2.1 steps

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Содержание JDL-420 Series

Страница 1: ...1...

Страница 2: ...stallation 12 IV Unwind Feeder 16 V Offset printing unit 21 VI Offset printing water and ink uints 25 VII Cold foil unit 52 VIII Die cutting unit 55 IX Matrix unit 65 X Rewind unit 69 XI Lubrication s...

Страница 3: ...1 Notes on intallation 1 The installation and commissioning of the machine must be carried out by our own specialists or by our authorized specialists 2 The operating environment has an important inf...

Страница 4: ...please treat it as industrial waste USE 1 Material JDL 420 model series multi function web printing machines are suitable for printing adhesive coated paper offset paper cardboard plastic film and so...

Страница 5: ...he machine please read the instructions in details before using the machine During use you should operate the machine strictly according to instructions of the Manual especially pay more attention to...

Страница 6: ...6 Warning sign Watch your fingers High surface temperature Rotating sharp objects Don t look directly Dangerous Electricity...

Страница 7: ...ideal machines to print high grade products daily chemical products wine labels medicine labels packaging boxes adhesive labels and so on Specifications Printing speed 150m min Printing units 4 8 unit...

Страница 8: ...g cold foil super glazing laminating and other printing processes Various printing processes can be combined arbitrarily according to the requirements of different printing products It is suitable for...

Страница 9: ...ration Registration requirements can be achieved without manual adjustment It improves efficiency saves a lot of materials and labor costs 7 Portable sleeve technology The plate and blanket sleeve of...

Страница 10: ...he manual next to the machine so that you can read it at any time 2 In addition to what is mentioned in the operation manual the operation must comply with the regulations on accident prevention and e...

Страница 11: ...he machine in safe and secure conditions 3 The machine can only be operated if the safety protection device is working properly Such as removable safety devices emergency stop devices soundproofing an...

Страница 12: ...d to adjust maintain inspect equipment and replace parts 14 When maintaining and repairing the equipment be sure to turn off the power and lock the main switch to prevent inadvertent turning on the po...

Страница 13: ...rosive gases Best relative humidity 55 65 no condensate water The installation of the machine is conducive to the arrangement between the various processes and the logistics direction is reasonable 4...

Страница 14: ...direction of the length of the machine is not greater than 0 08 1000 Transverse level is not greater than 0 04 1000 The degree of parallelism between the leveling units is not greater than 0 03 Notes...

Страница 15: ...loose or falling parts that may occur during transportation 3 According to the lubrication instructions add the necessary lubricant to the fuel tank and oil cup and use the oil gun to fill each artifi...

Страница 16: ...16 Figure 3 1...

Страница 17: ...h the outer ring and the inner ring can rotate and push along the shaft Only when the release button on the inner ring is aligned with the mark point on the outer ring the release button can be presse...

Страница 18: ...ing by adjusting the screw so as to ensure the best running state 1 Tensioning support 2 adjusting screws 3 circle arc tooth Synchronous belt By adjusting the adjustment screw on the tensioning suppor...

Страница 19: ...per is passed through the first edge control roller controlled by the paper roll edge and the end of the old and new paper roll is respectively cut off along the cutting line on the table Through the...

Страница 20: ...e scale on the gas fluctuation shaft the paper is correctly installed The air fluctuation is inflated by air gun and the scroll is fastened Press the lifting arm to lift drop the operating button so t...

Страница 21: ...eeder unit Feeder unit follows the unwinding unit and feeder unit ensures that scroll remains stable and unchanged during printing Through unwinding feeder operation panel you can set up various funct...

Страница 22: ...it 3 Frame operating side 4 Plate roller bridge 5 Common platform 6 Blanket roller bridge 7 Regulating handle 8 operating handle 9 Operational panel 10 plate cylinder 11 blanket cylinder 12 impression...

Страница 23: ...position of the blanket cylinder notch 8 Fasten the cylinder on the core shaft with the fastening screw on the fastening sleeve of the special handle 9 Close the right swing arm rotate the handle clo...

Страница 24: ...e offset printing state the adjusting handle is locked and non professionals must not adjust without authorization Adjusting parallel Roller handwheel 1 round change 0 04 mm Turn clockwise to increase...

Страница 25: ...icable to all units 2 According to the actual printing effect if you need adjust the printing pressure as a whole you only change the thickness data Increasing the material thickness will reduce the a...

Страница 26: ...ing device on both sides of the lever It makes water and ink unit and plate roller bridge is connected into one When offset printing is not carried out only the two sides of the lever locking device s...

Страница 27: ...curing ink printing When using printing ink because UV offset ink chemical properties are different from traditional offset ink the use of traditional offset ink will affect the transmission performa...

Страница 28: ...h acids bases oils and sharp hard materials so as to avoid corrosion or bump The metal parts exposed at both ends of the roller should be protected against rust 6 Rollers should be loaded into wooden...

Страница 29: ...ke the ink roller running 3 to 5 minutes use the UV wash water to clean the roller again and finally use water to thoroughly wash the roller clean After deep cleaning the surface of the roller is clea...

Страница 30: ...tic 10 Form inking roller B1 1207 01 0 67 Rubber UV 11 Form inking roller B1 1207 19 0 63 Rubber UV 12 Ink vibrating roller B1 1205 06 0 74 Plastic 13 Form dampening roller B1 1207 20 0 80 Rubber UV 1...

Страница 31: ...f the rider roller into the fixed support seats on both sides respectively then adjust the rider roller parallel to ink vibrating roller and tighten the locking bolts on both sides of the fixed suppor...

Страница 32: ...ides of the fixed support seats adjusting the eccentric sleeve with the screw into the ring groove and tightening firmly at both ends 3 3 3 Installation of rider roller 5 6 7 Fig 3 3 3 Installation of...

Страница 33: ...ibrating roller tighten the fixing screw of the control side ink distributor rod tighten the screw on both sides Tighten the screw on the fixed sleeve at both ends of the spinning ink roller into the...

Страница 34: ...tighten 3 3 6 Installation of Water fountain roller 15 Fig 3 3 6 Installation of Water fountain roller 15 Installation Method See Fig 3 3 6 Remove the bearing support cover on the inner side of the o...

Страница 35: ...n cover tightening screw fixed firmly Note The adjustment of the metering roller must ensure that the metering roller is parallel to water fountain roller and the gear on the metering roller is meshed...

Страница 36: ...thickness plugs place them at both ends of the roller to be adjusted then adjust the adjustment devices on both sides of the roller to be adjusted and pump the plug at both ends until the pump plug th...

Страница 37: ...supports on both sides of the rider roller 4 rotate and adjust the eccentric position of the adjusting eccentric sleeve at both ends of the rider roller 4 if the positive rotation indentation widens t...

Страница 38: ...the reverse rotation indentation narrows and review the indentation width Until the indentation width meets the requirements After the adjustment is completed the locking screws on the swing supports...

Страница 39: ...the locking screws on the swing supports on both sides must be tightened to adjust the position of the eccentric sleeve to be firmly fixed 4 2 4 Fine adjustment of the pressure between the form dampen...

Страница 40: ...f the pressure between the form dampening roller 13 and the plate cylinder Fig 4 2 5 Fine adjustment of the pressure between the form dampening roller 13 and the plate cylinder Adjustment method see F...

Страница 41: ...ressure between the form inking roller 11 and the plate cylinder Adjustment method see Fig 4 2 6 The same as above uses light ink such as yellow ink and indentation method inspection requiring the ind...

Страница 42: ...tion width between the form inking roller 10 and the printing plate is 5mm and the indentation width is uniform in the length direction If the indentation width does not meet the requirements the adju...

Страница 43: ...ller must be adjusted on the touch screen to match the printing speed of the offset press 5 1 Connection and Disconnection Device for metering roller Chromium Roller 14 see Fig 5 1 Fig 5 1 Connection...

Страница 44: ...ater fountain roller 15 Fig 5 1 The spring force makes the metering roller 14 close to water fountain roller 15 The spring force has been adjusted before the machine leaves the factory and the spring...

Страница 45: ...tighten the screw after adjustment is completed Clockwise adjustment of the internal hexagonal long screw increases the distance between the metering roller 14 and form dampening roller 13 also increa...

Страница 46: ...for cleaning the water storage pan metering roller 14 and water fountain roller 13 Method of remove the water storage pan See Fig 5 4 Close the water switch disc handle valve on the water storage pan...

Страница 47: ...n Ink agitator Fig 6 Ink agitator In high speed printing in order to ensure that the ink fountain roller can supply ink uniformly and stably the ink agitator must be turned on to stir the ink in the i...

Страница 48: ...untain The gap is required to be greater than 3mm When there is no need to stir the ink or clean the ink fountain the ink agitator can be turned up and lifted vertically At this time the front end plu...

Страница 49: ...not fall back to 0 kg 7 2 Automatic ink washing of ink rollers including form dampening roller Before starting the ink roller automatic ink washing first it ensures that the ink tank is installed and...

Страница 50: ...ews on both sides of the ink tank stand grab the hand of the ink tank and lift it up and then pull it out and the ink wash can be removed from the ink tank stand Installation method of the ink tank th...

Страница 51: ...Use of Alcohol Run Edition Cycle Refrigeration Water Tank Use and adjustment of ink remote control It is euquipped with ink remote control which uses 13 ink keys motor to control It can track and cont...

Страница 52: ...e Machine electrical use instructions 2 Pay attention to check the ink unit module transmission lateral synchronous belt T5 690 16 wear if the wear is serious it needs to be replaced 3 Pay attention t...

Страница 53: ...ion axis 11 Cold foil unwinding unit 12 Cold foil unwinding unit operation panel 1 paper guide roller 2 Limit screw 3 Cold foil roller 4 Metal roller 5 adjusting screw 6 locking screw At both ends of...

Страница 54: ...e cold foil rewinding and unwinding roller supports on the straight slide rails so that they are in the appropriate position Tighten the adjustable tightness handles to fix the position of the cold fo...

Страница 55: ...55 3 4 Paper route of cold foil unwinding and rewinding...

Страница 56: ...embly pressure mechanism safety cover shell assembly Each component is very important for the die cutting unit Before use you must make sure that you have carefully read the contents described in this...

Страница 57: ...57 Die cutting cylinder axial registration 1mm Lubricating grease for die cutting unit Lithium based lubricating grease consistency grade 2 Lubricating oil for gearbox Mobile gear 629 ISO VG 150...

Страница 58: ...the position of the die cutting tool and the die cutting pattern in the axial direction to lift the limited position sign and to rotate the drawing sleeve which will cause the magnetic die cutting cyl...

Страница 59: ...e cutting tool 2 2 The cutting board cylinder is fixed in the die cutting unit It depends on the bearing seat and driving roller at both ends to limit it During use the bearings in the bearing seat at...

Страница 60: ...ontrol the clearence through the roller pillow Therefore the lubrication and cleaning of the roller pillow are very important On the die cutting frame a pair of felt is pressed on the roller pillow of...

Страница 61: ...ating the exposed handle so that the pressure mechanism component can be loaded and locked 4 3 The guide roller in the middle position can be quickly dismantled After removing the sheet metal cover sh...

Страница 62: ...hieved by the pressure of the top screw 5 2 When working the screw cover on the two ends of the screw must be rotated to ensure that the screw is in a tensionless state and avoid interference with the...

Страница 63: ...he safety cover is connected to the die cutting frame through a sliding track There is a safety switch at the end of the safety cover When the cover is open the switch is disconnected At this time the...

Страница 64: ...e cutting cylinder in a horizontal position 2 4 The pressure screw 11 can be removed when used as a lifting tool Step III 3 1 Open the cover 7 rotate the handle 8 to separate the guide bar from the fr...

Страница 65: ...tting cylinder can be adjusted by rotating the pull plate sleeve 12 Pressure screw 11 can adjust the cutting pressure The installation steps of the cutting board cylinder are the same as those of the...

Страница 66: ...d waste bands are generated during the die cutting process and must be removed and collected for disposal Through the matrix unit operation panel it can carry out the relevant functions of the operati...

Страница 67: ...nd adjust the stripping roller to a suitable position The clamping sensitive label is composed of some surface materials and adhesives In order to increase friction and avoid adhesive affecting waste...

Страница 68: ...tion gas fluctuation axis 3 Waste collection control panel The waste collection supper installed on the upper end of the matrix unit can collect the waste until the maximum diameter is reached The emp...

Страница 69: ...collection Keep the Poly V belt running tight through the screws on the waste collection control panel in order to ensure the optimal operating state of the waste collection drive 1 Control roller lif...

Страница 70: ...cy stop wires and cables 11 Air gun 12 Safety switch 1 Air cylinder supported by lifting arm The lifting arm is used to support the pre printing of paper through the gas fluctuation axis The cylinder...

Страница 71: ...ing The inner ring can rotate and push along the shaft Only when the release button on the inner ring is aligned with the mark point on the outer ring the release button can be pressed to push the inn...

Страница 72: ...the running process in order to ensure the best operating state 1 Lift button 2 Drop button Lift Drop Button used to lift drop a printed paper roll through a lift arm 1 Emergency stop wires and cables...

Страница 73: ...ding operation panel 2 8 Paper route 1 1 Operation panel Through operation panel you can set up various functions of the roller collection such as startup stopping machines setting the roller diameter...

Страница 74: ...uctuation axis to let the air increase axis airbag out and draw the air increase axis that has been released from the inner hole of the paper core that has been printed Press the lift button to lift t...

Страница 75: ...Filter Max work pressure 3 0 MPa Max flow 1 L min Filter accuracy 20 Quantitative Distributor Work pressure 2 0 MPa Rated output volume 0 16ml time Lubrication oil Mobile gear 629 ISO VG 150 The conc...

Страница 76: ...ricated with little maintenance but it does not mean that it can not be maintained First of all it must ensure that the oil storage capacity in the oil tank of the oil pump is within a safe scale Seco...

Страница 77: ...located in the upper part of the gearbox When installation we have coated the perimeter of the device which can be opened and the gearbox is filled with oil when there is not enough oil in the cursor...

Страница 78: ...78 Die cutting unit Lubrication of both ends of the anvil cylinder Recommended Lithium based grease consistency rating 2 Maintenance Maintenance parameters are shown in List I...

Страница 79: ...nt including position see the front page 2 Lubricant recommended model dilute oil Mobile gear 629 ISO VG 150 grease LMT2 or LGEP2 3 The inspection cycle is to ensure that the lubrication system is nor...

Страница 80: ...ine and the oil shall be replaced regularly during the grease failure period to ensure adequate lubrication 3 Check frequently whether the air path is open whether the air compressor and the various g...

Страница 81: ...8 to 10 Before each shift is turned on for the first time the proportion of alcohol in the circulation tank and the PH value of the solution must be checked If it is found that it does not meet the re...

Страница 82: ...ly allow the rubber roller to recover fatigue Do not use gasoline diesel oil refining and other solvents to clean the roller strictly prohibit the use of benzene or aromatic cleaning agents otherwise...

Страница 83: ...h grease remover and warm water If they can not work they should be replaced in time The condenser shall remove dust and loot by compressed air or other means on a weekly basis to ensure optimum cooli...

Страница 84: ...g life of the graphite slide should be predicted according to the wear and tear of the graphite slide Severe wear generally refers to graphite slide width less than the depth of the rotor slide groove...

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