Packaging Design Reduces Consumables

[China Packaging Network News] The gravure packaging gravure printing industry uses petroleum products as the main raw material to enter the high energy consumption industry. The country has already carried out a vigorous rectification of the environmental quality path. The gravure packaging gravure printing industry wants to move forward and must find a green production development path.

In gravure and gravure packaging gravure printing and compound processing, gravure printing presses and laminating machines discharge exhaust gas containing organic solvents in the exhaust system to make non-renewable resources extremely wasteful, and also cause severe environmental pollution. Volatilization of organic solvents during use can also cause indoor pollution and production safety issues. At this stage of the social context, the only way out for the gravure packaging gravure printing industry is to achieve green production.

VOCs governance, there are several focus

1, reduce the loss

During the processing of flexible packaging, the cost of raw and auxiliary materials, inks, and adhesives accounts for almost 70% to 80% of the total cost of printed products, regardless of the waste of materials, energy, or time (as in the process of changing rolls or changing jobs). ), will increase the cost of the company's production and operation, in the production of these waste must be minimized in order to effectively reduce costs.

The loss of material caused by waste generated during commissioning and overprinting of gravure packaging gravure printing processes is the greatest. If fine adjustment operations and process steps are closely linked, a stable and predictable scrap value can be obtained. At present, domestic gravure printing equipment manufacturers have successfully adopted the latest technologies such as rapid pre-registering and high-precision tension control, resulting in loss of gravure cutting equipment, equipment restart loss (already registered), single replacement loss, and the resumption of the previous Stored order loss, deceleration loss, etc. achieve minor errors and losses, and even surpass international advanced level in some aspects.

2, shorten the operating time

The relatively advanced domestic gravure printing equipment greatly shortens the operation assist time by adopting a series of new technologies. For example, the integrated operation of upper plate, transport plate, and ink can be used to clean the printing roller and the ink tank off-line; the quick ink system The organic solvent can be directly supplied into the ink tray from the solvent chamber, and the feed amount is controlled by the ink viscosity controller; the sleeve type pressure roll technology does not require the tool change, the labor intensity is reduced, and the replacement time is shortened; the rapid change of the doctor blade technology realizes the rapidity of the doctor blade. Replacement; Laser edge-to-edge system, safety chuck quick clamping system for rapid up and down the roll; fault display and alarm system to help maintenance personnel quickly diagnose and handle faults; historical fault alarm indication system can reduce maintenance personnel troubleshooting time.

3, printing layout will reduce the consumption of supplies

a, color marking, slitting marks, bag markings, dot signal strips, etc. should be as small as possible, reasonable color, in order to reduce the loss of film or paper.

b. Reduce the use of spot color and spot color inks and replace them with primary colors or stacked colors as much as possible to save the use of plate and ink.

c. Reduce the number of colors, optimize the layout, and reduce the overlapping area of ​​printing.

4, improve efficiency and automation, reduce dependence on people

In recent years, with the improvement of the level of domestic machinery manufacturing, domestic gravure printing equipment has also been continuously innovating and has achieved effective results. At present, the highest speed of the gravure printing press has reached 400 meters/minute, and the printing efficiency has been greatly improved. In addition, the level of automation of high-speed gravure printing presses has also been continuously improved. The application of full-automatic roll-up and roll-up technology, automatic cutting technology and on-line detection devices to gravure printing equipment has reduced the dependence of equipment on operators and greatly improved the equipment. The production efficiency.