Processing method of fire sprinkler cooling device
A technology of spray cooling and processing method, which is applied in tangent devices, metal processing equipment, manufacturing tools, etc., to reduce labor intensity, ensure processing quality, and reduce processing links.
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[0019] Shown according to accompanying drawing, processing method step of the present invention is as follows:
[0020] 1. Weld the flange 2 at both ends of the straight pipe 1;
[0021] 2. Place the straight pipe after welding the flange on the pipe bender and bend it according to the design arc to make a curved pipe 1.1;
[0022] 3. Drill holes on the curved pipe according to the angle, spacing and aperture required by the design 3;
[0023] 4. Use the self-heating rotary extrusion die head 5 to carry out rotary extrusion and stretching on the drilled hole to make the nozzle interface 4;
[0024] 5. Process the nozzle interface thread 4.0 in the nozzle interface after extrusion and stretching to make the nozzle interface with connecting thread.
[0025] Self-heating rotary extrusion die head tool structure: the die head 5 is connected to the rotary power device 6 . Through the high-speed rotation of the die head, frictional heat is generated, and the pipe wall is rotated,...
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