New Possibilities of Tooth Cutting by Running Cutter Heads

Author(s):  
Evgenii S. Trubachev
Keyword(s):  
2004 ◽  
pp. 150-150
Author(s):  
SH Soratur
Keyword(s):  

Author(s):  
I Wayan Simpen ◽  
I Nyoman Udayana ◽  
Ida Bagus Rai Putra

Based on the language mapping conducted by The Language Development and Fostering Agency, there are around 560 regional languages in Indonesia. Of all these languages, only 11 regional languages have their own literacy system. One local language that has a literacy system is Balinese. Balinese script has a vital function in the effort of documenting and transmitting various systems of knowledge found by Balinese people from the past to the present. Besides having as documentation media, Balinese script is also functional in the three important stages of Balinese people's life. From the first stage (being born), the Balinese people used the script as a provision for the burial of the placenta. During adulthood, Balinese script is also used in a tooth- cutting rite. Similarly, when the Balinese people died, Balinese script was used as rajah-rajah kajang. There are contradictions that seem to be the gap between the functionalities of Balinese script and the reality of the low knowledge of Balinese people about Balinese script. It is an indisputable fact that Latin letters dominate various spheres of life. Realizing this, it needs the effort to make people realize the potential of Balinese script in the creative process of Balinese Script Calligraphy, which is important to be studied further. Balinese script that has a rounded shape (ngawindu) is very aesthetic to be developed into aesthetic forms of a variety. Not only that, from the searches carried out in some lontar storage sites in Bali, Balinese script calligraphy contains the use of interesting language and important literary values as a medium of educational media.


Author(s):  
V.N. Syzrantsev ◽  
E.Y. Moskvina ◽  
L.A. Chernaya

The use of drives based on pan precession gears with a small shaft angle in which multiple-tooth meshing is implemented significantly increases the efficiency and transmitted torque in oil and gas equipment. It also and reduces the breakaway torque by almost an order in comparison with worm gears. The production of pan gears in the semi-rolled version significantly simplifies tooth cutting technology. To exclude the possibility of edge contact of the teeth coming into meshing due to their contact and bending deformations, it is necessary to carry out profile correction of the teeth. To address this issue, a method utilizing a tool with a straight cutting edge displaced from the axial plane of the tool is proposed. Using cutting of the wheel teeth of a semi-rolled pan gear with the proposed tool as an example, calculations of the total profile errors and the tooth surface curvatures are performed to further determine the contact loading of the gear.


2008 ◽  
Vol 12 (2) ◽  
pp. 99-106 ◽  
Author(s):  
Guanyang Liu ◽  
Yuru Zhang ◽  
Dangxiao Wang ◽  
William T. Townsend

2009 ◽  
Vol 29 (3) ◽  
pp. 319-321 ◽  
Author(s):  
Yu. N. Fedorov ◽  
V. D. Artamonov ◽  
O. L. Zolotukhina

Author(s):  
Ming Li ◽  
Rui Fan ◽  
Yuhang He ◽  
Fengxia Xu ◽  
Youjie Cai ◽  
...  

According to the characteristics of ploughing extrusion forming and the theory of metal cutting, the wear and damage mechanism, common wear and damage forms and causes of multi-tooth tools in ploughing extrusion forming are analyzed. Then, the correctness of the analysis of tool wear and damage mechanism and common wear and damage forms is verified by field cutting experiments. At the same time, the phenomena and causes of workpiece stagnation and cracks in the process of ploughing and extrusion forming were obtained through experiments. Finally, the reasonable processing parameters of ploughing and extrusion forming multi-tooth cutting tool were obtained.


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