Results 11 to 20 of about 38 (37)

Australia's South African war 1899-19021

Scientia Militaria, 2012
Around twenty thousand Australians fought in the great war between the British empire and the republics of the Orange Free State and the Transvaal. Those Australians constituted five in every thousand of their people, or three in every two hundred of ...
Craig Wilcox
doaj   +1 more source

Modeling of an Impact Wrench for Use in Reducing Hand–Arm Vibrations

Machines
Impact wrenches are widely used in construction and automotive industries, yet they generate harmful vibrations that pose health risks to operators and reduce tool usability.
Tashari ter Braack, Donald L. Margolis
doaj   +1 more source

Effect of Viewing Angle While Tightening on Torque Values in Beam-Type Torque Wrenches

Dentistry Journal
Background/Objectives: Controlled tightening force of implant prosthetic screws is achieved using dental torque wrenches. Beam-type wrenches are prone to a parallax error, where different viewing angles can unintentionally alter the applied force ...
Matan Barkan, Yaniv Skvirsky, Ilan Gilboa, Dror Aizenbud, Eli E. Machtei, Zvi Gutmacher   +5 more
doaj   +1 more source

Frictional behavior of bolted joints during impact tightening

Discover Applied Sciences
Impact tightening is widely used in industrial assembly of bolted joints. Friction plays a decisive role in the impact tightening process of bolted joints, yet the dynamic frictional behavior during this process remains insufficiently understood.
Tobias Kretschmer, Markus Doellken, Patrick Haberkern, Niklas Frank, Felix Leitenberger, Albert Albers, Sven Matthiesen   +6 more
doaj   +1 more source

Does the Workload Change When Using an Impact Wrench in Different Postures?—A Counter-Balanced Trial

Vibration
Awkward hand-arm posture and overhead work increase the risk of musculoskeletal symptoms. These adverse health effects can also be caused by additional workloads such as hand-arm vibration exposure while carrying or holding a power tool. This pilot trial
Nastaran Raffler, Thomas Wilzopolski, Christian Freitag, Elke Ochsmann   +3 more
doaj   +1 more source

Development of wrench-based system for occlusal force analysis: a biomechanical approach to evaluate dental occlusion

BMC Oral Health
Background The forces of the jaw muscles are transmitted to the dentition and the temporomandibular joints (TMJs). Imbalances in the force distribution can lead to occlusal trauma, excessive tooth wear, or TMJ osteoarthritis, making the assessment of ...
Ittetsu Uchigasaki, Yoshinori Hattori
doaj   +1 more source

Type Synthesis of a Novel 4‐Degrees‐of‐Freedom Parallel Bipedal Mechanism for Walking Robot

Advanced Intelligent Systems
In this study, the conventional virtual chain method is refined and a 4‐degrees‐of‐freedom (DOF) parallel bipedal mechanism (PBM) for walking robots is presented.
Yue Zhang, Xizhe Zang, Boyang Chen, Xuehe Zhang, Yubin Liu, Jie Zhao   +5 more
doaj   +1 more source

Adult maxillary expansion: CBCT evaluation of skeletal changes and determining an efficiency factor between force-controlled polycyclic slow activation and continuous rapid activation for mini-screw-assisted palatal expansion - MASPE vs. MARPE

Head & Face Medicine
Aim This consecutive retrospective study compared Mini-implant Assisted Slow Palatal Expansion (MASPE) with rapid palatal expansion (MARPE) using a bone-borne skeletal expander in adults with a narrow maxilla.
Andre Walter, Heinz Winsauer, Eduardo Crespo, David Walter, Clemens Winsauer, Alexander Schwärzler, Sergi Mojal, Ignacio Arcos, Andreu Puigdollers   +8 more
doaj   +1 more source

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Automatic Hitting-Duration Estimation of a Rechargeable Impact Wrench Using a Fuzzy Neural Network to Reach Target Toques

International Journal of Fuzzy Systems, 2022
Chia-Feng Juang
exaly  

An evaluation of impact wrench vibration emissions and test methods.

Annals of Occupational Hygiene, 2008
Thomas W. McDowell, R G Dong, C Warren
exaly