Essays about: "threaded connections"

Found 5 essays containing the words threaded connections.

1. 1. Influence of Surface Carbon Content on the Wear of Threaded Connections in Rock Drilling Steels

   University essay from Luleå tekniska universitet/Institutionen för teknikvetenskap och matematik

   Author : Andreas Hälsing; [2023]
   Keywords : carbon content; wear performance; carburized steel; dry contact interface; threaded connections; drill rods; samples; shot peening; production process; twin-disc wear tester; RPM; operating conditions; wear rate; surface topography; hardness; optical analysis; light optical microscopy; scanning electron microscopy; surface carbon content; microstructural changes; frictional heat; contact pressure; wear mechanisms; plastic deformation; adhesive scratching; material removal; delamination;

   Abstract : This thesis work was conducted at Luleå University of Technology in collaboration with Sandvik Rock Tools. The aim of the work was to determine the influence of carbon content on the wear performance in carburized steel in the dry contact interface of threaded connections between drill rods. READ MORE

3. 2. Creation of a Finite Element Model andSystem Analysis for the Low and HighFrequency Cryogenic Telescopes of theSpace Mission LiteBIRD

   University essay from Luleå tekniska universitet/Institutionen för system- och rymdteknik

   Author : Matias Rittatore Texeira; [2022]
   Keywords : FEM; FEA; mesh model; CMB; IRAP;

   Abstract : The Lite (Light) satellite for the study of B-mode polarization and Inflation from cosmic background Radiation Detection (LiteBIRD) is a Japan Aerospace Exploration Agency (JAXA)-led Strategic Large-Class mission designed to search for the existence of the primordial gravitational waves produced during the inflationary phase of the early Universe, through the measurement of their imprint onto the polarization of the Cosmic Microwave Background (CMB). It is an international collaboration, with European Union (EU) operations being coordinated by France. READ MORE

4. 3. Efficient Multi-Core Implementation of the IPsec Encapsulating Security Payload Protocol for a Single Security Association

   University essay from Linköpings universitet/Programvara och system

   Author : Mattias Hellsing; Odervall Albin; [2018]
   Keywords : Telecom 5G Eventdev Data Stream Processing;

   Abstract : As the mobile Internet traffic increases, the workload of the base stations processing this traffic increases with it. To cope with this, the telecommunication providers responsible for the systems deployed in these base stations have looked to parallelism. READ MORE

5. 4. New bore pipe connection for Slotborer

   University essay from KTH/Maskinkonstruktion (Inst.)

   Author : EMIL GRÖNKVIST; [2016]
   Keywords : Mining machines; Slotborer; Drill pipes; Pipe connections; Shaft connections; Gruvmaskiner; Slotborer; Borrpipor; Pipkopplingar; Axelkopplingar;

   Abstract : Slotborer är benämningen på en ny maskinprototyp som skall användas för att i gruvor borra och utvinna platina. För att erhålla ett visst borrdjup skarvas borrpipor vilket åstadkoms med en gängkoppling. READ MORE

6. 5. New concept for the ground connection in Scania’s trucks and buses

   University essay from KTH/Elektroteknisk teori och konstruktion

   Author : ANDRÉS LLORENTE; [2014]
   Keywords : Electrical Contacts; Heavy-duty vehicles; Grounding; SRM Stud welding;

   Abstract : Regarding the ground electrical connection in trucks and buses, the requirements of earthing in heavy-duty vehicles were gathered and evaluated. The most important problems in the state-of-the-art grounding devices are corrosion, electrical resistance and uncertainty in the mounting process, altogether with depreciation over time. READ MORE