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Screw press
Screw press
A Screw Press is a mechanical device that uses a rotating screw to extract liquid from solids. It is also known as a helical screw press or an Archimedes screw press. This type of press was originally invented by Archimedes in the third century BC.
A modern screw press typically cons......
1024 
Oliver
Nominal diameter range and shape of cold-rolled ribbed steel bars (GB 13788-2000)
Cold-rolled Ribbed Steel Bars
Cold-rolled ribbed steel bars are a type of building material that has been common in the construction industry for many years. Due to their strength and long-lasting durability, these bars are perfect for construction applications where high levels of strength and r......
Allowable Deviation of Japanese National Standard Taper Thread Dimensions
Japanese Standard Thread Tolerance
Threads are a fundamental mechanical part used to join two components together. The most common thread type used in Japan is the “Japanese Standard Thread”. This thread type is an ISO metric thread, which means that it has a uniform size and pitch for each thr......
Japanese national standard cylindrical thread
Japans National Standard Cylindrical Thread
Since its establishment in 1868, the Japanese standard measurement system has been the basis for measurements in Japan and for producing Japanese products. One of the standards used for precision parts production is the Japanese National Standard Cylind......
Japanese National Standard Tapered Thread Dimensions
Japan National Standard Cone Thread Sizes
Japan national standard cone threads sizes are standardized by the Japan Industrial Standards Committee (JISC). As the name implies, these are standard threads that are used in many different types of industries including automotive, marine, and even aer......
GB 5126-85 Eddy current testing method for aluminum and aluminum alloy cold-drawn thin-walled pipes
Abstract
This article introduces the detection of eddy current of cold-drawn thin-wall tube material made of aluminum and aluminum alloy according to the national standard GB 5126-85. This method of eddy current testing is a reliable, high-efficiency nondestructive testing technology, which is wi......
Ultrasonic flaw detection and quality rating method for steel castings (abstract) GB 7233-87
Abstract
This study focused on the ultrasonic nondestructive testing and quality evaluation method of cast-steel parts. The study reviewed and evaluated the current testing capabilities of various establishments, including the simulation tests and judgment criteria of surface and internal defects......
Galvanized steel strand (YB/T5004-1993)
Galvanized Steel Stranded Wire (YB / T5004-1993)
In 1993, China adopted the Galvanized Steel Stranded Wire (YB / T5004-1993) standard for the production of galvanized steel stranded wires, and no further modifications of the standard have been made since. This standard is a comprehensive outline ......
Domestic ferrosilicon standard (GB2277-87)
（自己参考内容自行创作）
The national standard GB2277-87 Silicon Iron was formulated by the State Bureau of Quality and Technical Supervision (now the General Administration of Quality Supervision, Inspection and Quarantine) in October 1987 and promulgated on January 8, 1988. The implementation dat......
Wire rod for piano wire (YB/T5100-1993)
Abstract
This paper discussed the YB/T5100-1993 Piano Wire Strand, which is a type of steel strands used to make piano wires. The material of the piano wire strand is made from cold-drawn high-carbon steel wire, manufactured in accordance with the standard requirements of YB/T5100-1993. The parts......
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