metal file cabinet production process - optional Note

main tools: shears, folding machines, stamping machines, acid pools, welding, electrostatic spray machine

source material: cold rolled plate, electrostatic spray powder

auxiliary parts: keys, door handles, door active page, active scripting (manufacturers have supply)

start work:

1. Design: according to customer requirements and design size, the main attention Flap, Flap (schoolchild can calculate the size)

2. A material: cold rolled plate with shears to cut the required size, as with scissors cloth-like.

3. Stamping: Angular edges and handles out bits, etc. (technically demanding)

4. Folding: folding machine with folding inner and outer hemming hemming and other

5. Spot welding: spot welding reinforcement. Sub-division Canadian Welding Welding

6. Pickling and phosphating: mainly to oil and rust.

7. Spray: semi-finished products into the electric box electrostatic spray

8. Assembly: assembling doors and keys, etc.

9. Finished: Note finished packaging

optional:

according to the above process, each process has affected the quality of the finished product. At the time of purchase,

always has three pulse will not be cheated:

1: sheet thickness, finished thickness = material thickness + 0.1mm thickness (plastic powder). Finished Goods material generally consists of two parts, the inner panel is thin, measuring and door panels thicker. Merchant said thickness is the thickness of the door, which keep good business negotiation.

2: look at the internal structure of spot welding technology, dense, real commodity on firmly.

3: Are pickling and phosphate, there are some manufacturers use oil Sassafras clean, cold rolled plate, pickling and phosphate did not, at the time of spray plastic powder can not be fully integrated in the steel sheet, proof of poorer quality. You may care about

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