cold roll shaftless conveyor screw flight

cold roll shaftless conveyor screw flight Product Description  three manufacture process: 1.Continuous cold rolling 

Inner diameter (mm)	Outer diameter (mm)	Picth (mm)	Thickness (mm)	Blade Width (mm)	Material
20-700	90-900	50-900	2.5-6.0	28-150	Low carbon steel
Advantage: The length of product is not limited, one time formed, low cost, surface smooth.

2. sectional with equal thickness

Inner diameter (mm)	Outer diameter (mm)	Picth (mm)	Thickness (mm)	Blade Width (mm)	Material
20-2000	60-2500	30-2000	6.0-60	20-500	Carbon steel, stainless steel, wear resistant steel
Advantage: The thickness of top and bottom of the blade is the same.  Suitable for use by equipment that require above 5mm thickness and excellent wear performance.

3. continuous twisting

Inner diameter (mm)	Outer diameter (mm)	Picth (mm)	Thickness (mm)	Blade Width (mm)	Material
6-700	12-900	50-900	1.5-30	8-70	Carbon steel, stainless steel
Advantage: little difference in thickness between the end and the top,  suitable for narrow blades or blades with a small inner diameter. One time formed.

Used for the transmission devices for the Mining Machinery, Cement Machinery, Construction Machinery,  Combine Harvester, Grain Machinery, Threshing Machinery, Poultry Feed Machinery, Stove Equipment, Boiler  Discharge Equipment, Planter, Digger, Snow Blower, etc.     cold rolled screw flight applications: Screw conveyor Construction machine Agriculture machine Environmental / Wastewater equipment Drilling tool Mining machine Food Preparation machine Plastics machine Pulp & Paper machine Chemicals dosing equipment Maintenance machine Miscellaneous equipment Company Information  Shijiazhuang Xudong Mechanical Manufacturing Co., Ltd is a professional factory combined with research and  development of screw flight and propeller screw flight, designing, manufacturing and sales. We also own  production equipment of different models for different production techniques including continuous cold rolling,  continuous twisting and sectional with equal thickness. Packaging & Shipping   Our Services   We have been involved industries such as agricultural harvesting, foodstuff, grain, chemical, civil architecture and  drilling for feeding powdered, granular and bulk materials. We can manufacture various sizes of helical blades under the specifications.  If need more details, contact with me.