Safety issues that cannot be ignored in printing

Equipment is an important tool for corporate profitability, and we can only manage it safely and correctly. To make it fully functional. Safety printing includes the safety of operators and the safety of equipment. This article only talks about the safety issues that should be paid attention to during operation based on actual experience.

Correctly determine the rotation direction of the drum, water roller and ink roller

1. When scrubbing the rollers, the palm of the hand should be in the direction of the inner rotation of the gap between the two rollers, and the finger should point to the gap between the rollers rotating outward (the appropriate rotation direction of the roller needs to be selected). Otherwise, due to negligence, it is easy to bring the cotton cloth used for scrubbing the blanket into the rollers to crush the blanket, and in serious cases, it will crush your fingers.

2. When scrubbing the ink fountain, wait until the ink fountain roller stops rotating, and your finger should always point away from the inward rotation of the ink fountain roller. When scrubbing the ink roller and water roller, you must see the direction of rotation, which is the same as the method of scrubbing the roller. In the printing house, due to carelessness and irregular operation, when scrubbing the ink roller or the cylinder, the accident of the hand being caught in the cylinder or the ink roller often has these bloody lessons, and it should be particularly appreciated by the peers!

In order to maintain the personal safety of the operator and better maintain the printing equipment, the operation of the printing machine must be concentrated, strict, and carefully operated according to the specifications.

Eliminate accidents caused by equipment

Major accidents caused by factors such as the machine itself or the working environment should also cause the management staff and each operator to attach great importance to it. The operator must be good at observing subtle problems and can predict the consequences; the management personnel should develop a scientific management system to prevent Suffered from it. As the saying goes, thousands of miles of embankment, collapsed in ant dens, some details are not properly managed, and it is more likely to lead to accidents. For example, short-circuiting of wires is the biggest hidden danger of fire. Due to the inflexible operation of various components, installation and commissioning errors, or lack of oil in the machine, and the heat caused by the poor oil path, accidents may occur.

Understand the chemical and physical properties of Yinwei materials

Many chemical materials are involved in the printing process. During the use process, you must follow the prescribed procedures and pay attention to the following issues.

1. The cleaning agent can generate explosive mist and flammable gas, and it is harmful to health, so it is necessary to prevent the cleaning agent from contacting open flames and sparks.

2. Do not use AI and AI-type cleaning agents. These cleaning agents are volatile and can generate flammable gas after gasification, causing an explosion.

3. The cleaning agent should not be stored near the printing machine, nor can it be stored near the ultraviolet drying device and infrared drying device. Keep the container containing the cleaning solution away from the heat source.

4. When using a solvent-based cleaning agent to manually clean the printing press, the solvent is not allowed to enter the drying device, nor can the solvent be stored in or around the drying device. Otherwise, as the temperature of the solvent increases, there is a danger of explosion.

5. Aromatic hydrocarbon cleaning agents, such as benzene, toluene, esters, ketone, and oxidized hydrocarbon cleaning agents, such as trioxyethylene, methyloxygen, etc., are not suitable as cleaning agents for ink rollers.

6. The temperature in summer is high. If the ventilation conditions in the workshop are poor, the solvent in the ink and the ink cleaning agent, such as gasoline, have a low ignition point and the solvent that is easy to exert. The concentration in the air is too large, which will also become a fire hazard.

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