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WHAT IS DEAD ROLLER SHAFT AND LIVE ROLLER SHAFT

 live shaft and dead shaft rollers can be used for the same application and the choice is a function of the machine’s mounting system. But at other times, the differences between the two designs mandate a clear choice.  DEAD  ROLLER  SHAFT S: Roller design is bearings pressed into the ends of a hollow tube (the roller body) with a long shaft running through the bearings and extending out the ends of the rollers. The roller is considered to be a “dead shaft” because the shaft does not turn. The shaft is fixed to the machine or frames mounting system by clamping or bolting and the roller body turns about the shaft via the bearings. Roller shells can be steel, aluminum, or carbon fiber and many times are thin-walled, making them ideal for light load and high-speed web applications. Commonly used as idler rollers due to light-weight, low-turning inertia and the availability of low friction bearings which reduce roller drag. Roller rods  must be web or nip driven bec...
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What is ST52 Steel Plate

The ST 52 belongs to a standard structural steel grade. A  St 52 Steel Plate   is designed with a superior chemical composition of carbon, silicon, manganese, phosphorous, and sulfur. The content embedded in these plates gives them enhanced resistance to corrosive and oxidative media. The St52 Plate is designed for thickness above 6mm and more. These plates have enhanced resistance to pitting and crevice corrosion. They provide good stability and support to different applications. St52-3 Plate is a low manganese carbon grade that doesn’tputs pressure on subsequent modules. These robust plates can be easily welded in place following standard procedures. The versatile St52 3 Steel showcase slightly lower strength and tolerance compared to an St52 plate. These lightweight components comply with different national and international standards. The St52 Steel Sheetis produced in thicknesses below 6mm and above 0.5mm. These sheets don’t provide stability and add an aesthetical appeal...
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WHAT IS THE DIFFERENCE BETWEEN 4130 AND 4340

 4130 steel, as low alloy steel, contains high amounts of chromium and is often referred to as chromoly. 4130 steel has good machinability, ductility, weldability and strength characteristics. 4130 steel is used for many different industries including the automotive, aerospace , hydraulic cylinder rod , cylidner barrel and machining industries. 4340 steel, as nickel-chromium-molybdenum alloy steel, is a very high strength steel. It is sought after for its toughness and for being used as a steel that will be highly stressed. 4340 steels are used in a variety of industries for different applications including the automotive, aerospace, and tooling industries. Chemical Composition Comparison: 4130 vs 4340 steel Standard Grade C Mn P S Si Cr Mo Ni ASTM A29 4340 0.38-0.43 0.60-0.80 0.035 0.040 0.15-0.35 0.70-0.90 0.20-0.30 1.65-2.00 4130 0.28-0.33 0.40-0.60 0.035 0.040 0.15-0.35 0.80-1.10 0.15-0.25 Mechanical Properties: 4130 vs 4340 steel Below are the mechanical properties for b...
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