To achieve the standardization of printing press operations.
All printing presses of the company.
3. Definition: (none).
The printing crew of the production department is responsible for the operation.
5. contents of homework:
5.1 Handling of shift work:
5.1.1 The two shift captains hand over each other: the production status of the work order, whether there is a work order without special attention, whether the public tools are complete, and whether the equipment is normal.
5.1.2 Abnormal equipment: you should find a machine repair in time.
5.1.3 Abnormal work order: make up the number, first notify the supervisor of the department, and deal with it according to the provisions of the number.
5.2 Preparations before printing:
5.2.1 Daily maintenance of equipment before printing
ŒMaintenance according to the requirements of the printing equipment maintenance work instruction, and fill in the maintenance acceptance form truthfully.
? Matters needing attention: After the maintenance is completed, put the tool back to the original place; wipe the oil stained place to avoid staining the carton.
5.3 Printed version:
5.3.1 Produced in sequence according to the press schedule.
5.3.2 According to the requirements of the work order and information bag, the squad leader takes the corresponding printed version and places it face up on the table of the printing press.
5.3.3 The captain ordered the printed plates in one color, two colors, three colors, four colors, and five colors.
5.3.4 The staff on the operation side are hung on the corresponding printing cylinders according to the sequence of the printed plates arranged by the captain.
5.3.5 Print version:
ŒPut one end of the printing plate into the plate groove of the printing cylinder based on the center line of the printing cylinder, and then use
The wrench locks the padlock device.
? Rotate the printing cylinder, insert the printing strip at the other end of the printing plate into the other printing groove of the printing cylinder, and lock it with a wrench
Hold the version lock tightly.
5.4.1 The employee on the drive side takes the ink required for this work order according to the requirements of the work order and the printed version.
5.4.2 The employees on the drive side place the ink in different printing units of the printing press in the order set by the captain.
5.4.3 First set the mesh roller in the running state, then put the ink tube in the ink tank, and then set the ink supply pump switch to the start state, draw the ink into the ink supply system, and the outflowing ink flows into the ink In the barrel, the ink begins to circulate.
5.4.4 Measure the ink seconds with a special measuring cup for ink and record on the data bag.
5.5 Finding materials:
5.5.1 According to the work order requirements: the cutting length, width and height of the cardboard, the staff on the driving side will find the corresponding cardboard.
5.5.2 After finding the cardboard, the line picker should be notified and the printing machine should be prepared; the picker should be notified when adjusting the rest
The printing press prepares personnel for shifts.
5.5.3 At the same time, 2 to 3 waste slabs should be taken for printing machine adjustment.
5.6.11. Adjust the paper feed department: (driver-side staff)
ŒAdjust the side fences of the paper feed section: Adjust the side fences of the paper feed section according to the cut length of the cardboard.
? Adjust the rear baffle of the paper feed section: According to the total width of the cardboard, adjust the distance between the front baffle and the rear baffle of the paper feed section to make the paper feed
The board is 4mm away from the paper's leading edge paper (leading edge paper feed type); the front and rear baffles are just put into the paperboard (suction paper feeding type).
? Adjust the gap of the front baffle of the paper feed section: adjust the gap of the front baffle according to the thickness of the cardboard to make each processing cycle
Only one piece of cardboard is allowed to be entered.
? Adjust the suction: According to the softness of the cardboard, and the three-layer or five-layer cardboard, adjust the air volume of the suction, the adsorption force is too large
Will affect the smoothness and accuracy of paper feeding.
? Adjust the paper feeding reel: Adjust the gap of the paper feeding reel according to the thickness of the cardboard. Excessive gap will cause inaccurate biting.
Processing shift; too small will crush the correct corrugated shape of the cardboard, destroy the hardness of the cardboard, and affect the compressive strength of the carton.
Use a feeler gauge to correct the gap and flatness every week.
5.6.2 Adjust the printing department:
ŒAdjust the plate pressure: the gap between the surface of the printing plate and the ceramic reel is generally 0.04~0.05mm smaller than that of the printing plate. It will be created when the plate pressure is too large
Accumulated ink and printing plate wear.
? Adjust the printing pressure: the gap between the printing plate and the bottom reel should be 0.4~0.5mm smaller than the thickness of the cardboard, too large printing pressure will crush the printing
The corrugated position destroys the compressive strength of the carton and causes ghosting in printing.
? Adjust the position of the bite wheel and the gap: the position of the bite wheel is generally at the edge of the carton and the fourth mark. The bite wheel of each color is about 6mm away from the edge of the cardboard, the second color is about 8mm, and the third color is about 10mm; also, * The color bite wheel gap is greater than the second color, and the second color is greater than the third color. The bite wheel gap is 0.5~1.0mm smaller than the thickness of the processed paperboard. The gap is adjusted to ensure that the bite is firm but does not completely crush the strength of the cardboard. The ink block on the surface of the bite wheel should be removed every day when you go to work.
5.6.3 Adjust the slotted part:
ŒBox type: A-1 box:
üFirst put the slotting knife into the slot, adjust the position of the slotting knife according to the work order requirements, and return to zero.
üAdjust the crimping size: adjust the crimping position according to the work order requirements.
üAdjust the tongue: adjust the position of the tongue according to the work order requirements. The tongue height of a single tile carton should be lower than the horizontal pressure line
1mm, the tongue height of the double-tile carton should be 2mm lower than the horizontal pressure line, which is conducive to the carton forming square.
? Box type: Die-cutting box:
ü Move the slotting knife to both sides, just press the edge of the cardboard 1CM. This will bring the cardboard out smoothly.
ü Remove the center knife.
üRemove tongue blade.
ü Renovate the side knife. Trimming knife position: Install the drive side or operation side, taking the center of the machine as the reference, the cardboard cut length is divided by 2, and then reduce the size of the 8mm center to the trimming knife.
üThe center cutting knife is installed.
ü When the die-cutting single conversion A-1 box type is completed, the center knife must be installed first, the special trimming knife for die cutting must be removed, and then adjusted
The size of the press line of the printing machine to avoid the deviation of the slotting knife and the press line of the printing machine.
5.6.4 Adjustment of die-cutting part:
ŒIf the carton has die-cutting requirements and is placed in the printing machine for die-cutting, you must first open the horizontal switch of Youli glue to make it better
The die cutter has a lateral movement range when working, which can increase the service life of excellent adhesive.
? When installing the template, the screw should be installed from the bottom of the template first. The main reason is that the die cutting in the next mode is the template
The first is in contact with Youli glue. And the screw holes on the template should be installed with screws as much as possible to ensure the roundness of the template
? When adjusting the position of the die hole, separate the template and Ueli glue first and then adjust to avoid damage to Ulite glue.
5.7 Merge machine: pay attention to personnel safety when merging machine.
5.8 Tuning machine:
Open a flat plate, adjust the slotting phase, and adjust the layout position according to the requirements of the color draft.
5.9 First inspection:
5.9.1 Sequence: Captain → Pulling staff
üThe work order is consistent with the data bag: customer name, product name, size, ink color.
ü Ink color: consistent with the work order.
ü White board or yellow board; consistent with work order.
ü Flute type: B flute, C flute and BC flute are consistent with the work order.
ü Size: The length, width, height and shaking cover size are consistent with the work order.
ü Die cutting position: consistent with the die cutting diagram.
ü The content of the printed layout is consistent with the printed version.
ü Version change is correct: Press the "7" requirement again after changing the version.
üThe color difference of ink color: strictly control the color card, and one should be drawn regularly for the color difference comparison when printing physically.
? Pulling staff
üThe pulling staff must carefully review the contents of the captain's inspection.
? Drive side employees
ü Paper color: white board or yellow board.
ü Flute type: B flute, C flute or BC flute is consistent with the work order.
ü The size of the flat plate: the size of the flat plate, the width of the flat plate, the swing cover, and the height are consistent with the work order.
ü The ink on the machine is consistent with the work order.
5.10 Turn on:
üAfter the re-inspection is finished, the staff can start the machine.
5.11 Sampling inspection:
üThe pulling staff must assist the captain to carry out random inspection at any time. For orders with strict color requirements, a carton should be drawn for comparison at a certain time in order to adjust the ink in time.
ü The team leader inspects the orders produced by this team. And at any time to correct the incorrect actions of the staff of the class.