Development of an intelligent electrolytic in process dressing (ELID) grinding system 3

... Feed rate 30 0 mm/min (roughing); 50 mm/min (finishing) Depth of cut µm (roughing); µm (finishing) 64 Development and performance evaluation of an intelligent ELID grinding machine continues until ... is desirable for grinding 66 Development and performance evaluation of an intelligent ELID grinding machine Fig 3. 11 Three modes of cutting in abrasive machining A...

Ngày tải lên: 14/09/2015, 08:44

... table 1. 1 given below, Introduction Table 1. 1: Comparative analysis of different in- process dressing method Mechanical Laser Electrochemical contact dressing thermal machining dressing dressing System ... attaining precision surface finish and form accuracy using grinding, it is an obvious requirement to have the grinding wheel dressed in- process There are several m...

Ngày tải lên: 14/09/2015, 08:44

... schematic illustration of the interval ELID dressing and grinding Fig2 .2: ELID grinding principle [25 ] Qian et al [26 ] also investigated ELID method to grind the internal surface of cylindrical objects ... finer grit sizes This method of wheel dressing also improves the grinding performance significantly Ohmori et al [22 ] also proposed a hybrid method of dressing and t...

Ngày tải lên: 14/09/2015, 08:44

... comparing the grinding wheel profile (Before grinding and after grinding) Figure 4. 13 (a) shows profile of the grinding wheel before the grinding and after grinding for conventional ELID Figure 4. 13 ... voltage dressing and constant voltage dressing for average dressing current Dressing on demand ELID grinding generates much less and uniform dressing current than...

Ngày tải lên: 14/09/2015, 08:44

... Design and development of in- process truing for ELID grinding 340 25 20 After 40 seconds of grinding 40 After 360 seconds of grinding After 680 seconds 60 of grinding 20 320 15 300 10 280 80 -5 260 ... Design and development of in- process truing for ELID grinding as described in chapter Electrolytic in- process dressing (ELID) is one of the el...

Ngày tải lên: 14/09/2015, 08:44

... observed in both cases Dressing 1 16 Conclusions current has also been found to be more stable and uniform in this new form of ELID grinding Truing of the grinding wheel is crucial in precision manufacturing, ... used during grinding A new concept of controlled voltage dressing by monitoring the grinding condition has been implemented and its performance has also been...

Ngày tải lên: 14/09/2015, 08:44

... 8.1 Introduction 117 vi 8.2 Principle and modeling of micro/nanoELID grinding 118 8.2.1 Modeling of the work surface 121 8.2.2 Modeling of the ELID -grinding wheel surface 123 8.2.3 Modeling the ... conventional grinding 53 Figure 5.3 Normal and tangential forces and dressing current during the ELID grinding 54 Figure 5.4 Normal and tangential grinding forces...

Ngày tải lên: 16/09/2015, 17:11

... necessary for the training of field veterinarians This workshop information and the lectures were used to run workshops for the field veterinarians in the South and Centre of Vietnam and this information ... improve the diagnostic capability of the Veterinary laboratories in Vietnam and the training of DAH veterinarians in disease investigation and...

Ngày tải lên: 22/06/2014, 12:20

... provided and are continuing to provide support and training to other laboratories in the network The project has highlighted the need for training of field veterinarians in the collection of data and ... diagnosis and control of FMD by the provision of resources and training of staff in required methods and quality assurance To provide accurate data...

Ngày tải lên: 22/06/2014, 12:20

... Australia and internationally through the training programs and also through the achievements in understanding FMD in Vietnam FMD is a disease of importance in Vietnam and the region and this ... is important for matching of antigen between the ELISA and the field strain (and with knowledge of the antigen used in the vaccine) It appears that the se...

Ngày tải lên: 22/06/2014, 12:20

... publicity in Vietnam, Australia and internationally and recognition of the achievements made in relation to the understanding and control of FMD in Vietnam FMD is a disease of importance in Vietnam and ... detailed in the earlier Milestone Report • Standard forms and protocols for collection of field data and trained field veterinarians in how to ca...

Ngày tải lên: 22/06/2014, 12:20

... improve the diagnostic capability of the Veterinary laboratories in Vietnam and the training of DAH veterinarians in disease investigation and control This will strengthen the profile of DAH which ... Determine the efficacy of the FMD vaccine in protecting against FMD isolates circulating in Vietnam Comparison of FMD genotypes to vaccine Results of se...

Ngày tải lên: 22/06/2014, 12:20

... Chi Minh City continued to train and support the field veterinarians on how to collect samples and how to collect information necessary for the history of the animals for the villages in the project ... primary animal handlers and managers, they will be major beneficiaries of the final outcome of better diagnosis and control of animal diseases Implementat...

Ngày tải lên: 22/06/2014, 12:20

... poultry, using existing vaccines effective against currently circulating human influenza strains, can reduce the likelihood of coinfection of humans with avian and influenza strains, and thus reduce ... cycle of influenza virus (Levine, 1992) Influenza pandemic and its impact Influenza viruses can change in two different ways — Antigenic drift, the HA and NA proteins of the influenz...

Ngày tải lên: 04/10/2015, 15:52

... Surface elevations in mangroves, and its inherent control on periods of inundation and drainage, are therefore critical determinants of forest health For example, hyper- and hypo-salinity resulting ... periods, and hence surface elevations The general relationship between inundation durations and physiological functioning of mangroves is that prolonged inun...

Ngày tải lên: 22/09/2015, 15:19