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air duct pdf20 30 flange roll forming machine test
PDF20/30 common plate flange system is one of the two major systems of flange connection for ventilation duct making in the world. Summarising the international and domestic installation and production experience, our engineers and technicians design this excellent machine -----GDF20/30 common plate flange machine. GDF series products and the company's other products ---- shearing machine, angle cutting machine, compression beading machine, folding machine, lock forming machine, corner machine, feeding and so on can be composed of air duct production line, and the quality standard of the air duct produced is reliable. Its features are as follows:
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Designed with detailed research and study, thus ensuring the safety, reliability and simple and convenient operation of the machine.
It has unparalleled performance and price advantages.
Duct and flange are formed in one piece, eliminating the need for flange making and connection process. It improves product quality and reduces production cost at the same time.
The overall appearance of the duct after installation is beautiful, smooth lines and good sealing.

2)Thickness: 0.6-0.8mm for PDF20, 0.8-1.0mm for PDF
3) Shortest sheet material 300mm
4) Rolling rollers stations: 36 stations
5) Rolling rollers material: GCr15 steel
6) Rolling rollers: heat treatment HRC55°~57°
7) Rolling wheel spindle diameter: 35mm, material 45# steel.
8) Rolling wheel bearing specifications: Harbin 6207
9) Thickness of city wall plate: 30㎜
10) Transmission method: Chain and gear
11) Motor power :7.5 kW.
12) Forming speed: 10m/min.
13) Voltage:380V 50Hz 3phase