Wire drawing die and its preparation method
A wire drawing die and ceramic layer technology, applied in wire drawing dies, metal wire drawing, metal drawing forming tools, etc., can solve the problems of low production efficiency, harsh requirements, and low bonding strength of coatings
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Embodiment 1
[0074] Embodiment 1: the preparation method of drawing die, the steps are as follows:
[0075] 1. First prepare a titanium plate 2, wherein the purity of titanium should be controlled at 99.7%. The titanium plate 2 should be surface treated first, the steps are as follows:
[0076] The first step is pickling, choose 300ml / L hydrochloric acid, and then rinse with running water;
[0077] In the second step of pickling, choose 300ml / L hydrofluoric acid, and then rinse with running water;
[0078] The third step is surface grinding, using 800 mesh Al 2 o 3 Sandpaper and finally ultrasonic cleaning with alcohol. The thickness of the titanium plate 2 is controlled at 1mm.
[0079] 2. According to the size of the wire drawing die, polystyrene foam is used to make the lost foam of the wire drawing die. According to the working force of the wire drawing die, the main wear is the strong friction between the inner hole of the wire drawing die and the metal to be processed. Fix the ...
Embodiment 2
[0089] Embodiment 2: the preparation method of drawing die, the steps are as follows:
[0090] 1. First prepare a titanium plate 2, wherein the purity of titanium should be controlled at 99.8%. The titanium plate 2 should be surface treated first, and the steps are as follows:
[0091] The first step is pickling, 60ml / L phosphoric acid, and then rinse with running water;
[0092] The second step is pickling, 200ml / L sulfuric acid, and then rinse with running water;
[0093] The third step is surface grinding, using 1000 mesh Al 2 o 3 Sandpaper and finally ultrasonic cleaning with alcohol. The thickness of the titanium plate 2 is controlled at 1.5mm.
[0094] 2. According to the size of the wire drawing die, polystyrene foam is used to make the lost foam of the wire drawing die. According to the working force of the wire drawing die, the main wear is the strong friction between the inner hole of the wire drawing die and the metal to be processed. Fix the titanium plate on...
Embodiment 3
[0104] Embodiment 3: the preparation method of drawing die, the steps are as follows:
[0105] 1. Prepare a titanium plate 2 first, wherein the purity of titanium should be controlled at 99.8%. The titanium plate 2 should be surface treated first, and the steps are as follows:
[0106] The first step is pickling, 120ml / L hydrogen peroxide, and then rinse with running water;
[0107] The second step is pickling, 240ml / L hydrogen peroxide, and then rinse with running water;
[0108] The third step is surface grinding, using 1200 mesh Al 2 o 3 Sandpaper and finally ultrasonic cleaning with alcohol. The thickness of the titanium plate 2 is controlled at 2.5 mm.
[0109] 2. According to the size of the wire drawing die, polystyrene foam is used to make the lost foam of the wire drawing die. According to the working force of the wire drawing die, the main wear is the strong friction between the inner hole of the wire drawing die and the metal to be processed. Fix the titanium p...
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