What to do if there is a peculiar smell in the spray varnish of the garment printing machine

Many friends useGarment printing machinePrinting will encounter the problem of peculiar smell produced by varnish. Although it is not very pungent, it does have some influence. Here are some simple ways to teach, I hope to help you.

1. The odor of UV varnish is not completely cured

Solution: reduce printing speed or increase light source power.

2. Insufficient UV light source or aging tube of UV printer

Solution: Replace and select the appropriate light source power. The high-pressure mercury lamp currently in use has an average service life of about 1,000 hours. As the lamp is used, the electrode gradually decomposes and deposits on the inner wall of the lamp tube will gradually decrease its transparency and ultraviolet light transparency. Therefore, the lamp tube must be regularly tested Check and replace the problematic lamp tube in time to ensure that the UV ink is completely cured.

In addition, attention must be paid to the correct handling of UV lamps. You should not hold the quartz glass body of the UV lamp, otherwise the oil on your skin will stick to the quartz glass; instead, you can only hold the ceramic end or wear non-linen gloves. Whenever you touchTreadmill printing machineAfter the UV lamp is in contact, it can be scrubbed with an alcohol cleaning solvent to remove the grease on the lamp.

Third, the varnish used by the uv printer has poor anti-oxygen interference ability

Solution: Strengthen the ventilation and exhaust (wind) system of the workshop.

4. Too much non-reactive diluent in UV printer varnish

Solution: Change the UV varnish when necessary.

UV varnish is a transparent body, there is no obstacle for ultraviolet light to shine from the upper layer to the lower layer. When testing the quality, use a brush to coat the UV varnish on the surface of ordinary white paper or white cardboard, with a coating thickness of about 0.5mm or a little thicker, and place it to cure under a UV lamp. If there are no bubbles on the surface of the coating after curing, the surface smoothness is very high, indicating that the purchasedCotton Direct Injection MachineThe quality of UV varnish is good.