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Stainless Steel Crank Shaft
Material:Shaft
Stainless steel conical extrusion deformation nut
Structural features
Tapered design: The stainless steel tapered extrusion deformation nut has a tapered shape. This tapered structure allows the nut to create a unique squeeze effect during installation. The size of the taper varies according to different application requirements. Generally speaking, the larger the taper, the more obvious the radial extrusion deformation will be under the same axial force. For example, in some situations where high tightening force is required, nuts with a larger taper are used.
Internal threads: Like ordinary nuts, it has precise threads on the inside to mate with the screw. Thread specifications (such as pitch, tooth profile, etc.) strictly follow relevant standards to ensure smooth screwing with the corresponding screw. The quality of these threads directly affects the tightening performance and service life of the nut.
Material characteristics: Made of stainless steel, with good corrosion resistance. This allows it to be used in harsh environmental conditions (such as humid, chemically corrosive environments) without being prone to rust and corrosion like ordinary carbon steel nuts. The strength of stainless steel can also meet the needs of most application scenarios, and stainless steel materials of different strength levels can be selected according to specific requirements, such as 304 stainless steel or 316 stainless steel.
Working principle
Extrusion deformation process: When this nut is tightened, due to its tapered structure, it will generate a radial extrusion force along the axial direction. This extrusion force acts on the matching connectors (such as bolts, fastened materials, etc.), causing the connectors to deform. For example, in the connection of some thin-walled pipes, after the nut is tightened, the surface of the pipe will be squeezed, causing local plastic deformation of the pipe, thereby forming a tight connection.
Achieving sealing and tightening effects: Through this extrusion deformation, not only the tightening purpose can be achieved, but also a certain sealing effect can be achieved. In some pipe connection systems that need to prevent liquid or gas leakage, after the stainless steel conical extrusion deformation nut is tightened, the radial extrusion force generated will deform the sealing gasket at the pipe connection and fill the connection gap, thus Effectively prevent media leakage. Advantages:
Good sealing performance: The sealing effect achieved through extrusion deformation is more effective than the traditional flat sealing method in some cases, and can meet application scenarios with higher sealing requirements.
High fastening force: Due to its special working principle, it can generate large fastening force and is suitable for occasions that need to withstand large vibration, impact or pressure.
Corrosion resistance: Stainless steel material allows it to maintain good performance in harsh corrosive environments.
limitation:
High installation requirements: The installation process requires precise control of tightening torque, otherwise it may cause excessive extrusion, damage the connectors, or affect the sealing effect.
One-time use tendency: In some occasions with extremely high sealing and fastening requirements, once installed and extruded deformation occurs, disassembly and reuse may affect its performance, so there is a certain tendency for one-time use.
Aerospace field: widely used in aircraft pipeline systems (such as fuel pipelines, hydraulic pipelines, etc.). Since the aerospace environment has extremely high requirements on the reliability and sealing of equipment, this nut can ensure the firmness and sealing of pipeline connections through extrusion and deformation, prevent fuel or hydraulic oil from leaking, and ensure flight safety.
Automotive industry: used for pipeline connections such as cooling systems and braking systems of automobiles. For example, in the connection of automobile brake pipelines, stainless steel conical extrusion deformation nuts can generate sufficient tightening force and sealing force to prevent brake fluid leakage and ensure the stability and reliability of the braking system.
Chemical industry: plays an important role in the connection of chemical pipelines. Various corrosive media are often involved in chemical production. The corrosion resistance of stainless steel conical extrusion deformation nuts can ensure their long-term use in such environments. At the same time, its extrusion deformation characteristics can ensure the sealing of pipeline connections, prevent leakage of chemical raw materials or products, and avoid safety accidents and environmental pollution.
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Material: stainless steel
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Ningbo Yi Yi Precision Technology Co., Ltd.
Ningbo Yi Yi Precision Technology Co., Ltd. is leading China Stainless steel conical extrusion deformation nut suppliers and OEM/ODM Stainless steel conical extrusion deformation nut company, a combination of industry and trade enterprises, including Ningbo Xinhaocheng Precision Parts Co. With 1000 square meters of production plant and 30 employees. Its 2 companies focus on centering machine processing, production of precision non-standard parts, and has advanced imported equipment from Japan: STAR and Tsugami 5-9 axis centering machine, Citizen lathe, machining center and other equipment. The machine has the function of six-axis turning processing, which can complete drilling, turning, milling, tapping, boring, reaming, hobbing, shaping, etc. at one time, which can ensure the high precision, consistency and stable tolerance of shape of the parts. And according to the customer's needs, the power cutting tool function module with front and side milling function can be installed to complete the precision machining of complex shaft parts.
Company Certificate
We regard quality as our life. From quotation, customer order, equipment, material, production, surface treatment, to inspection, to final packaging, every step must be perfect.
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Add:No.56 Huanghai Road, Xinqi Street, Beilun District, Ningbo, Zhejiang, China (inside Xingzhi Industrial Park)
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Tel:+86-18991368108
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