Painting Method for Gantry Crane
Painting Method for Gantry Crane
1. After rust removal, the time interval to paint on the surface of metal should be less than 6 hours.
2. As to basecoats, we adopt paint made by Shanghai Kailin Paint Cp., Ltd or Zhengzhou Shuangta Paint Co., Ltd. With dry film thickness 20μ±5μ, the first base is used for upkeep. The second base is 35μ±5μ thickness and used for anti-corrosive primer. The interlayer adopts 842 MIO epoxy primer made by Shanghai Kailin Paint Co., Ltd, airless spraying, dry film thickness ≥45 μ. The finishing coat will use chlorinated rubber paint made by Shanghai Kailin Paint Co., Ltd., dry film thickness 70μ±5μ. Under the same color, the finishing coat must be well-distributed, careful and bright. It is not allowed to have roughness, leakage, pin-hole, wrinkle and serious sagging flaws.
3. The paint color for the surface can be selected according to the buyer’s demand. If there are special requirements, the color of the machine room for place electrical equipments and box structure with ladders installed will be painted white, referring to JB2299 <Paint Color and Safety Signs of Hoisting and Transport Machinery for Mining Engineering>.
4. The inside sealed box must paint anti-corrosive primer, with dry film thickness ≥5μ.
5. If there is no specific requirements, the whole surface of mechanical components are painted light grey.
6. The inner surface and components without processing of reducer box are painted milk-yellow oil resistance enamel or other oil resistance paints.
7. Symbolic units, such as oil cup, glib, lubrication system, hydraulic pipeline, air-pressed pipeline and spoke and plate of locking devices need to pay attention, such as buttons, naked fast cornering components and couplings, are painted red.
8. The most outside surface of the crane, such as hooks, surface of weight box of turntable tail, which are easily impacted parts, should be set warning marks and paint safety marks with yellow and black according to JB2279-78 <Paint Color and Safety Signs of Hoisting and Transport Machinery for Mining Engineering>. In general, there is a 45 degree angle between chute and horizontal level.
9. All outsourcing electrical equipments should paint the same original color. If necessary, primary color is needed.
10. Damaged film must have a painting make-up and the coating thickness should accord with the above requirements.
11. Coating process is according to the product specification where it was manufactured.
Related products:
gantry crane, overhead crane, bridge building crane, concrete batching plant
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