Results 101 to 110 of about 4,945 (221)
Jixie chuandongObjectiveConventional disc-shaped milling cutters create excessively large relief grooves when machining internal herringbone gears, limiting their applicability, while finger milling cutters based on a simplified normal plane of the tooth space suffer ...
HE Guoqi +4 more
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Theoretical Research of the Modification of Cycloidal Gear used in RV Reducer of Robot
Jixie chuandong, 2015 Aiming at the cycloidal gear used in RV reducer of robots,based on the concept of the single tooth without side clearance,the tooth surface equation of the cycloidal gear after modification is deduced by directly adding the second- order parabolic ...
Zhao Bo +3 more
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Boreas, EarlyView.The characteristics of settlement of Neanderthals in northern Central Europe during the earlier phases of the Middle Palaeolithic (Marine Isotope Stage 8–6) have been a matter of debate for decades, specifically regarding the population dynamics at such latitudes during the coldest phases. In this paper, we review the known archaeological record of the
Gianpiero Di Maida +5 more
wiley +1 more source
工程科学与技术, 2015 : According to the transmission structure and principle of two-tooth difference swing-rod movable teeth transmission, the theoretical and actual profile equation of central wheel was derived according to the engagement theory of two-tooth difference ...
Zhao Chun-ke +2 more
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Boreas, EarlyView.This study investigates the ecology of the extinct European Hippopotamus from the late Early–Middle Pleistocene (c. 900–400 ka) sequence of the Megalopolis Basin, a glacial microrefugium for temperate taxa in southern Greece. Using stable carbon (δ13C) and oxygen (δ18O) isotope analyses and microwear analyses of Hippopotamus dental elements, we ...
Effrosyni Roditi +9 more
wiley +1 more source
Jixie chuandong, 2007 Based on the theory of multi-body system and motion of CNC gear milling machine, the meshing model of CNC helical gear milling with the double dick-type cutter was built, and the spiral surface equation was established.
陈晓飞, 黄筱调, 方成刚
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Community Dentistry and Oral Epidemiology, EarlyView.ABSTRACT Objectives To investigate the association of sociodemographic characteristics and dental service utilisation with clusters of oral health conditions among Brazilian five‐year‐old children. Methods Secondary data on five‐year‐old children (N = 4354) from the Brazilian National Oral Health Survey (SB Brasil 2023) were analysed.
Pedro Henrique Duarte França de Castro +2 more
wiley +1 more source
PROFILING HOB FOR MANUFACTURING GEAR ELLIPTIC PROFILE
Advanced Engineering Research, 2010 Hob equation is solved on the grounds of the earlier coordinate dependencies of the elliptical wheels tooth profile. Profile worm algorithm of the program for calculating the coordinates of the hob profile is presented.
Anatoly A. Ryzhkin +5 more
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Community Dentistry and Oral Epidemiology, EarlyView.ABSTRACT Objectives To explore how individuals who have lost or have missing teeth and subsequently received dentures make sense of the factors influencing their oral health and well‐being. Methods Thematic and structural narrative analysis was used to evaluate 19 semi‐structured interview transcripts from a secondary dataset of United Kingdom adults ...
Heba Ramadan Salama +3 more
wiley +1 more source
PROFILING HOB FOR MANUFACTURING GEAR ELLIPTIC PROFILE
Вестник Донского государственного технического университета, 2018 Hob equation is solved on the grounds of the earlier coordinate dependencies of the elliptical wheels tooth profile. Profile worm algorithm of the program for calculating the coordinates of the hob profile is presented.
Anatoly A. Ryzhkin +5 more
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