Difference between 70m/min drywall roll forming machine and 40m/min drywall roll forming machine
1.Speed
70m machine speed 70m/min, and punching speed 45m/min
40m machine speed 40m/min, and punching speed 25m/min
2. The length of guide rail
70m has 1.9m guide rail
40m has 1.2m guide rail
3.Noise
70m machine has no noise, because the gear has been polished
40m machine's working noise is small but it exist
4. Driven way
70m machine is driven by gear box
40m machine is driven by chain
5.Receiving table
70 machine has automatic receiving table
40 machine's receiving table is nomal
6.Add lubricating oil to the slide
70m machine Automatic feeding oil
40m machine Manually feeding oil
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