brass rods for sale a36 steel sheet
Product Quick Detail
- Place Of Origin
- china
- Minimum Order
- 1
- Packaging
- N/A
- Delivery
- 15 Days
Specifications
custom metal plates , custom metal tags. Name Plate
Manufacturers,Custom Name plates,Metal Tags,Metal Labels,Signs, Decals in China.
China Name Plate Manufacturers,we custom name plates, brass plate
engraving. metalphotos,tags,labels,signs,decals with logo and printing.
(3) Posted: After carving patterns in the past can be posted well in advance on the screen frame. The method is to cut a good film on the frame below the pressing, with cotton
dipped a little thinner on top and gently rub the complex to screen the film and the cement up. After drying for several minutes, the tracing paper torn off. If the paper is not fully out, the
available cotton wet wipe. Blank part coated with lacquer, the screen mesh blocked. To dry after printing.
2, carbon paper copy method: also a relatively simple manual plate method.
(1) cut sheet paper: photographic paper is coated with a thick mixture of barium on oxygen who made the original paper, carbon paper, according to the size of the graphic cut a
good backup. (2) sensitization: immersed in 500 ml and 20 g of ammonium dichromate prepared solution for 3-5 minutes, remove the carbon paper, the water diversion dry.
(3) Exposure: The carbon paper flat on a clean glass, film upward, positive image in the top cover polyester film negatives with Shai Banji exposure, exposure time 8-12
minutes.
(4) development: after exposure at 40 to 50 degrees warm water soak a few minutes, so that film and positive plates and zinc oxide paper naturally out with warm water to force
the developing carefully shaped text is clear.
(5) Posted: good version on the system to be a good stretch mesh screen frame below the screen covered in several layers of newspaper, the pressure on the glass to 1-2 kg / cm
of pressure, this when the film and screen firmly affixed, remove the weight and newspapers, dry film with an electric furnace, and then remove the paper, film graphic you go to the wire-line.
Carefully check whether the graphic defects, after passing the wire around the graphic medium coated with nitro enamel protection, the silk screen printing plate mounted on the carriage is to
prepare for printing. Scope of this same film engraving plate method.
3, the photographic plate method: printing brand precision screen printing plate used in high, generally have adopted advanced direct, indirect, direct between the three
photographic plate method. A, CTP method:
(1) post boxes use aluminum frame, you do not need stretching flexibility Stretching, pressure at 5-6 kg / cm, using acetal adhesive net, stretched with tension measurement
tightness, tension 5-7 kg, sink size should be less than 2 mm.
(2) Cleaning Screen: Use washing powder, detergent, ethanol and the like as clean lotion, wash both sides of the screen, and rinse with water. After air drying stand. Purpose
is to make the network better with photoresist adhesion.
Material:Metal,Aluminum,Anodized Aluminum,Brass,Stainless Steel,Polycarbonate,Polyester,Vinyl.
Website: www.nameplatesmanufacturers.com metal plate manufacturers
- Country: China (Mainland)
- Business Type: Manufacturer
- Market:Europe
- Founded Year:1994
- Address:
- Contact:Hansen kem
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