Results 81 to 90 of about 770 (218)
Theoretical analysis of the Influence of workpiece spindle vibration displacement on machining accuracy of gear hobbing machine [PDF]
In order to study the vibration characteristics of the workpiece spindle of a gear hobbing machine, this paper established a mathematical model for the workpiece spindle vibration displacement in the x-axis direction.
Xianguang Li +4 more
core +1 more source
Based on the gear generation principle,taking the professional software as the tool,the problem of virtual hobbing simulation of involute helical gears was studied,and the virtual hobbing simulation of the entirety of gear was completed by using macros ...
汪中厚, 李刚, 张兴林, 李克松
doaj
This paper deals with the improvement of gear accuracy which has been obtained through the pracical use of a newly developed hobbing machine.The carbide hob used for finishing large hardened gears has recently become very populat.A cutting with a rake angle of -30° degrees is fixed slantly to the cutting direction.The hob was characterized by its ...
YONEKURA, Masataka +5 more
openaire +2 more sources
Research of CNC Gear Hobbing Automatic Programming Technology
In order to improve the efficiency of gearprocessing,a kind of CNC hobbing automatic programming system is presented. Firstly,the mathematical model of the hober- axial roll cut method is established.Then,the hober hardware platform of CNC gear hobbing ...
Diao Xiuhui, Li Jinbo
doaj
The Influence of Tool Tolerances on the Gear Quality of a Gear Manufactured by an Indexable Insert Hob [PDF]
Advances in gear hobbing are driven to give higher cutting speeds, longer tool life and higher feed rates. Recently, a new type of hob with carbide inserts has been introduced with benefits in all these conditions compared to regrindable high speed steel
Andersson, Carin +2 more
core
ObjectiveAiming at the problem of thermal characteristics of dry gear hobbing machines, the research on multi-source information fusion test and analysis was carried out.MethodsBased on the analysis of the structure layout and the law of multi-source ...
PENG Shengdi +4 more
doaj
By analysing the kinematic relation and the forming principle for hobbing the big modified gears with the generating method.The problem for hobbing the big modified gears with normal hob is pointed out.The design priniciple and method of non-standard ...
高红梅, 祁肃郎, 肖伟敬
doaj
Technological Aspects of Manufacturing and Control of Gears-Review. [PDF]
Boral P, Gołębski R, Kralikova R.
europepmc +1 more source
Cutting forces in gear hobbing [PDF]
An accurate kinematic model of the gear hobbing process has been developed in order to compute the gear tooth profile, generated by successive cuts by the hob teeth, as they come into contact with the gear blank.
Bicker R, Pennell T, Abood AM
core
Production of gears by hobbing [PDF]
The aim of this study is to compare the manufacturing costs and times of a gear hobbing process. The theoretical part of the thesis is aimed to describe the gears hobbing manufacturing process, their characteristics and this way used processing materials.
Ivánek, Radim
core +2 more sources

