A low pitch often will dip repeatedly sounding a little like a paper shredder thats trying to chew up too many papers at once The remedy here Lighten up a bit Thats a key sign that the power tool is being overworked Similarly a high pitch will tend to skip or chatter as the grinding disc bounces across the ridges of the excess weld.
Jaw crusher is the vital equipment in crushing industry.Detail
Roll crusher (roller crusher) is suitable for the fine crushing of the materials with feeding size less than 110mm, and finished particle size 3-30mm.Detail
Sand maker is also known as impact crusher or sand making machine.Detail
Ball mill is the vital equipment for recrushing after being crushed.Detail
Circular vibrating screen is mainly used to screen the dry materials used for metallurgy, coal, ore, etc.Detail
Raymond mill is also known as Raymond, Raymond machine.Detail