Below is the image of a hot steel rolling mill roll having V Groves.
I am trying to measure the length of each side of the grove as shown in the figure accurately.
Currently I am using a normal ruler but as you can see it not accurate.
Any other proper way of measure the grove length...
Currently using 335 KW 3 Phase Inductor motor (415V 563A 740 RPM) without any VFD in Hot Rolling Mill.
Thinking about investing in VFD to drive the above motor to enjoy saving due to VFD.
The motor operates in 20%-50% load for 50% percent of time. The current peaks up to 800-900 A for 1 seconds...
My current project involves steel reheating in a small continuous furnace for rolling.(3 Tons/Hour - Pulverized Coal Fired)
I'm now stuck at somewhat bizarre problem . Achieving homogenous heating is getting difficult and is somewhat random.
There are two situation which confuses the most -
1.)...
Currently I'm involved in a steel Re-heating continuous furnace project for heating billet , scraps. It's pulverized Coal fired having two zones - soaking and heating zones.
Secondary air of soaking zone burner is preheated (recovered heat from Draft)
The problem is that whenever coal...