Multi-stages to Ensure Quality Control of Designing and Production at External Cylindrical Grinding Machines

2021 ◽  
pp. 370-377
Author(s):  
M. K. Alsigar ◽  
P. P. Pereverzev ◽  
A. D. AlMawash
Keyword(s):  
Quality Control ◽  
Cylindrical Grinding ◽  
Grinding Machines ◽  
External Cylindrical Grinding

A study on the vibrations in the external cylindrical grinding process of the alloy steels

2020 ◽  
Vol 34 (22n24) ◽  
pp. 2040150 ◽  
Author(s):  
Tuan-Linh Nguyen ◽  
Nhu-Tung Nguyen ◽  
Long Hoang
Keyword(s):  
Grinding Process ◽  
Cooling Mode ◽  
Workpiece Material ◽  
Cylindrical Grinding ◽  
Technology System ◽  
Machining Conditions ◽  
Material Hardness ◽  
Alloy Steels ◽  
External Cylindrical Grinding

The vibration during external cylindrical grinding is caused by many factors such as the rigidity of the technology system, machining modes, machining materials, cooling mode, etc. This paper employed a Taguchi method to design experiments and evaluate the influence of machining mode parameters and workpiece material hardness on the vibrations when machining some types of alloy steel in external cylindrical grinding process. The influence of machining conditions on the vibrations was investigated. Besides, the mathematical models of vibration amplitudes were also modeled. The achieved results can be used to control the vibrations through machining conditions to improve the surface quality of the product.

CNC Cylindrical Grinding Machine Reliability Analysis and Optimization

2014 ◽  
Vol 716-717 ◽  
pp. 707-710
Author(s):  
Jin Wei Fan ◽  
Xiao Long Yi ◽  
Chao Liu ◽  
Yong Jun Liu
Keyword(s):  
Fault Location ◽  
Comprehensive Evaluation ◽  
Weak Links ◽  
Cylindrical Grinding ◽  
Machine Reliability ◽  
Cnc Grinding ◽  
Complete Failure ◽  
Grinding Machines ◽  
Grinding Machine ◽  
Overall Reliability

CNC cylindrical grinding machine reliability is an important performance indicators, the level of reliability will directly affect the use of CNC cylindrical grinding machine. Reliability of the traditional classification method is not clear, standards are not uniform, the paper application taxonomy for 12 CNC grinding machines from September 2012 to July 2014 for two years more than 600 pieces complete failure and repair data for statistical analysis to identify a greater impact on the overall reliability of the fault location and cause of the malfunction. According to the probability of occurrence of each failure mode, the severity of harm's comprehensive evaluation of the degree of fault of each site, identify the weak links of the whole system. As a result, the reliability of CNC cylindrical grinding machine will be greatly improved.

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