Results 91 to 100 of about 18,727 (182)

Stability analysis of machine tool spindle under uncertainty

Advances in Mechanical Engineering, 2016
Chatter is a harmful machining vibration that occurs between the workpiece and the cutting tool, usually resulting in irregular flaw streaks on the finished surface and severe tool wear.
Wei Dou, Xiaocong He, Biao Tang
doaj   +1 more source

Dermatofibrosarcoma protuberans at an uncommon site

Indian Journal of Dermatology, 2014
Dermatofibrosarcoma protuberans (DFSP) is a locally aggressive, cutaneous, malignant tumor characterized by high propensity for local relapse and low metastatic potential.
Vidyadhar R Sardesai, Rohan M Patil, Trupti D Agarwal   +2 more
doaj   +1 more source

Continuous turning slip ring assembly Patent [PDF]

, 1968
Development of slip ring assembly with inner and outer peripheral surfaces used as electrical contacts for ...
Lowe, E. G.
core   +1 more source

An Approach to Combine House of Quality and Finite Element Method in Redesigning of Rotary Shaft Multi-Spindle Wheel Nutrunner Machine

Jurnal Teknik Industri
An engineering-to-order company has developed multi-spindle wheel nutrunner machines for automotive wheel mounting. The rotating shaft component that supports that machine has experienced compressive and twisting stress during operation, resulting in ...
Ayu Anggraeni Sibarani, Sugeng Waluyo, Muhammad Baharuddin Wahid Tosalili, Hilda Lutfiana   +3 more
doaj   +1 more source

Research on the nonlinear dynamic characteristics of opposed high-speed gas bearing systems

Journal of Low Frequency Noise, Vibration and Active Control, 2020
In recent years, the opposed high-speed gas bearing system has been gradually valued and used in the field of precision machinery, especially for precision instruments and mechanisms requiring high speed, high precision, and high rigidity.
Cheng-Chi Wang, Rong-Mao Lee, Chih-Jer Lin, Chih-Yung Huang, Tsui-Er Lee   +4 more
doaj   +1 more source

A precision bearing gimbal system for the Teal Ruby program [PDF]

, 1980
A precision bearing gimbal system designed to allow a spaceborne infrared sensor to stare at points on the Earth while in orbit is described. The problems encountered, analytical tools and test methods used, and data applicable to users of similar ...
Lowry, C. H.
core   +1 more source

Research on the Calculation Method for the Contact Stress of Wind Turbine Main Shaft Bearings Based on Finite Element Analysis

Lubricants
Under alternating loads, the contact situation for self-aligning roller bearings in the main shaft of a wind turbine is complex. Few methodologies exist for calculating the contact stress of main shaft bearings.
Yi Zou, Wenlei Sun, Hongwei Wang, Tiantian Xu, Bingkai Wang   +4 more
doaj   +1 more source

Rotary plant growth accelerating apparatus [PDF]

, 1975
Rotary plant growth accelerating apparatus for increasing plant yields by effectively removing the growing plants from the constraints of gravity and increasing the plant yield per unit of space is described.
Dedolph, R. D.
core   +1 more source

Development of a co-cured composite torque shaft for rudder of high speed aircraft [PDF]

, 2008
The Carbon Fibre reinforced Composites are widely used in developing various composite parts of civil and13; military aircraft due to its high specific strength and specific stiffness.
Dharmappa, BL, Karuppannan, D, Rawat, RS, Subba Rao, M   +3 more
core   +1 more source

Mechatronics of a ball screw drive using a N degrees of freedom dynamic model [PDF]

, 2017
High performance position control in machine tools can only be achieved modelling the dynamic behavior of the mechatronic system composed by the motor, transmission and control during the design stage.
Ansoategui Belategui, Igor, Campa Gómez, Francisco Javier   +1 more
core   +2 more sources