The corrugated metal sheet roll forming machine is used to making round wave sheet by galvanized steel or color metal sheet. This kind of metal sheet is very popular in many countries, such as Middle East, South Asia, African area and South America. We also sold many machines to diffierent countries around world.
For the machine design type, normally have two options, you can check the below picture:
Option 1 Normal rolling forming machine:
The material will be feeding into the machine at the right side, through roll forming, will be cutting at the left side.
Process flow is:
uncoiling---feeding device---roll froming---cutting---product collect table
Usually the suitable material thickness for this kind is 0.3-0.8 mm, work speed can reach 20m/ min

Option 2 By the Barrel Type Corrugated Roofing Sheet Making Machine:

This kind of round wave machine is called barrel drum type corrugated machine.
It's work speed can reach 10-15pcs/ min. 
The metal sheet will be roll forming from one side to another side by just two rollers.
For the suitable material thickness range:0.15-0.5 mm.
The machine also can produce max 1 mm thickness sheet.
But this type machine maybe costs a little more than option 1 type.
If you have request for the production ability, I suggest you choose this one.

Packing for Barrel corrugated roofing sheet machine: