trapezoid roll forming machine, trapezoid roll forming ...
850-840 Metal Double Layer Iron Roofing Sheet Making Machine Main Specification Double deck steel tile roll forming machine 1 Main frame 300mm H-sections 2 Side board thickness 14mm 3 Main motor power 5.5kw 4 Power supply 380V 50-60Hz 5 Shaft number 11 rows for 850 corrugated steel tile 13 rows for 840 steel tile 6 Shaft material Carbon steel 45# 7 Shaft diameter 70mm 8 Rolling wheel material ...
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