Steps for installing UV system on offset press

For the UV transformation of ordinary offset presses, Tianjin Ruisente's 6 key steps for the transformation of offset presses are as follows:

1. Add UV curing device

The additional UV curing light source is generally a metal halogen lamp or a high-pressure mercury lamp. Note the following:

1) Install the reflector

If no reflector is installed, about 80% of the UV light will not reach the surface of the printed product due to diffusion, so the UV lamp must be installed with a lamp cover to reflect and concentrate the UV light on the surface of the printed product. At the same time, it is necessary to clean and maintain the reflector at any time. If paper powder or powder is attached to the reflector, it will affect the reflection effect of the UV lamp. If the UV lamp is not used for a long time, the UV lamp cover should be closed to prevent dust from entering.

2) Choose high-performance energy control devices

The main function of this device is to ensure the stability of the UV energy emitted by the UV lamp, to maintain the curing efficiency and stability, and to meet the needs of different printing speeds.

3) The cooling device cannot be ignored

The performance of the cooling device corresponding to the UV curing device must also meet the requirements. The better the performance, the less the substrate is heated, and the smaller the deformation, the more conducive to printing and registration.

2. Replace the ink roller and blanket

Because of its strong corrosiveness, UV offset printing ink may cause ordinary printing ink rollers and blankets to swell, affecting the stability of printing pressure. In severe cases, peeling or surface cracking may also occur. Therefore, UV offset printing has extremely high requirements for rubber rollers and blankets. The selection of ink rollers and blankets must be compatible with UV offset printing inks. Note the following:

1) Ink roller

Ink rollers need to be replaced with UV-specific or dual-purpose ones. Generally, rubber rollers made of EPDM rubber or silicone rubber are used, and the hardness is preferably 40 Shore. the above.

2) Blanket

The blanket needs to be replaced with a special or dual-purpose UV. The following two types of blankets are available.

Special blanket for UV: Anti-UV resin component is added to the mixture of the blanket, which can resist UV light irradiation, and the blanket is not easy to powder.

UV self-adhesive rubber cloth: The rubber surface contains anti-UV resin, which can prolong the life when used in UV printing.

3. Replace gripper

Under the irradiation of UV light, the ordinary gripper teeth will be deformed by heat, which will affect the registration and printing. Therefore, the gripper on the unit with a UV curing device must be replaced with a gripper for UV. Ordinary offset printing units have less strict requirements for gripping paper teeth.

4. Replace the special printing plate

The printing plate can be selected for UV special or combined use, or it can be obtained by heat treatment of the ordinary printing plate. The ordinary PS plate, which is cooked according to the conventional method, needs to be baked for 10 minutes to 15 minutes (temperature 250 ℃). The CTP version also requires a baking version of 10 minutes to 15 minutes (temperature 250 ℃).

5. Choose the right fountain solution

The fountain solution should choose a fountain solution that does not contain too much gum arabic.

6. Choose the right ink cleaning agent

The ink cleaning agent should be selected for UV printing. The use of ordinary ink cleaning agent will damage the UV printing plate.

8+2 seat Golf Cart is the longest golf cart we make,we have the gas and battery power for your choice, considering its heavy weight,we use the 5kw motor for it that enable its enough power base on battery operated, it is a very pratical vehicle for sightseeing in park,resort,hotel,air port etc, for battery power, its max range can up to 90kms on flat road situation,for gas power ,its max range is round 200kms each full tank,to advance the experience of the peoples who seat on it,we suggest you include the rain cover,sun shade,music player for it.

8+2 Seaters Golf Sightseeing Cars

8+2 Seaters Golf Sightseeing Cars,New Golf Carts,Gas Powered Golf Carts,Affordable Golf Carts,Custom Golf Carts

Yongkang Jinghang Sightseeing Vehicle Co., Ltd. , https://www.jhgolfcarts.com