19 Questions 24 Answers 0 Followers
Questions related from Vijay Kumar Shankar
In my case, tungsten carbide drill wear rate has been calculated using mass loss method and compare with the Uniaxial compressive strength. but when the UCS is high, Los angele abrasion % is low...
13 November 2019 3,363 6 View
i have doubt regarding temperature measurement technique in metal machining has already been exploited in rock cutting with minor modification. in my case i have used a newly fabricated...
28 October 2018 6,368 3 View
If we have measured bit rock interface temperature using thermocouple during drilling. By embedded the thermocouple in the rock sample. Then what is the major application for industry,...
16 August 2018 7,108 12 View
as i have tested the wear rate of the WC drill bit, depends on grain size of the rock sample used during drilling operation (weight loss method). For medium-grained sandstone the wear rate of...
06 June 2018 2,524 8 View
as i am using weight loss method for wear rate and wear coefficient. wear rate = Initial weight-final weight/drill time similarly for wear rate coefficient K= wear rate/ D*S*N (mg/N-mm) where D=...
19 April 2018 9,231 1 View
As i am working on multiple regression models (quadratic equations). by using backward elimination method. i have removed the insignificant terms in the model and reconstruct the equation by using...
06 April 2018 2,978 7 View
by using weight loss method (initial weight and final weight of the drill bit) how to calculate wear and wear rate of the drill bit by considering temperature as the output.
24 March 2018 1,976 1 View
As the drill bit diameter increases, thrust also increasing. What is major reason behind this. Why it is increasing and even for depth of drill also.
06 January 2018 4,770 3 View
In cutting operation. There is linear decreasing in specific energy by increasing in penetration rate. Where as in drilling penetration rate increases with increasing in specific energy. What is...
18 December 2017 6,187 5 View
During continues drilling operation, temperature goes on increases with decreasing in specific energy, what the main reason. What is the technical reason behind this.
10 December 2017 8,414 3 View
i am conducting experiment for different depth of drilling condition for rocks, as keep on increasing the depth, the specific energy goes on increasing, where as in cutting operation specific...
04 December 2017 6,635 5 View
weather it is increasing or decreasing with respect to penetration rate (means depend up on rock formation or any other properties )
30 October 2017 6,870 6 View
sir, making small holes for consecutive depth from the surface of the rock sample for placing thermocouple during rock drilling operation. is there any technical thing should do. why we need to...
05 April 2017 1,188 0 View
what is the major application (In Mining industry) of Experimental investigation to be carried out for rock core sample to measure the temperature during drilling operation. please give the detail...
09 January 2017 1,527 3 View
during drilling of rocks in laboratory scale. embedded thermocouples can be used to measure the temperature for hard rocks. (by placing the thermocouples for every depth and average temperature...
25 November 2016 2,952 6 View
while drilling, measuring the temperature of rock, for every depth. in this condition what are all the thermal related properties can be measure and calculate
30 August 2016 2,015 4 View
By knowing the inside hole temperature and surface temp. and area of the drill , can we calculate the thermal conductivity of that particular temperature field (while drilling in laboratory)?
24 August 2016 2,060 3 View
while drilling of rocks, measuring the temperature of inside the hole (Maximum temp) and surface temp (Min temp) can i calculate the thermal properties ( thermal conductivity, heat flux and...
05 August 2016 7,261 7 View
to measure temperature of the rock and drill bit tip while drilling , can i use to make a hole on the circumference of the specimen and place the thermocouples to measure the temperature, it is...
26 July 2016 6,140 0 View
