Common Faults And Maintenance Of Electric Motor Of Crusher

Electric motor fault often affects production when crusher is running, the main faults are:

Fault Maintenance Of Motor Stator & Rotor Core

Motor stator and rotor core is made of stripe of mutually insulated silicon steel sheets, it is the magnetic circuit of electric motor. Damage and deform of motor stator and rotor core is caused by the following reasons:

① Over worn of bearing or improper assembly causes motor stator and rotor core rub again each other, damage on the surface of core, further causes short circuit between silicon steel sheets, core loss increasing, and high temperature rising of electric motor. At this time, smooth file, or other tool is used to remove burr and short connection of silicon steel sheets, insulating varnish is coated after cleaning up, heated and drying.

② To remove old winding with great force, causes groove tilt and splay out. Needle nose pliers, wooden hammer and other tools should be used to repair, and reset the bad teeth. Hard fiber paper, Bakelite plate and other hard insulating material should be added to silicon steel sheets with gap.

③ Core is easy to rust in wet condition. At that moment, sandpaper should be used to be cleanly rubbed and then coated with insulating varnish.

④ Windings grounded generates high heat and burns down core grooves and teeth. Chisel or scraper and other tools can be used to completely remove the fused-deposition, coated with insulating varnish and to be dried.

⑤ If core and engine base fits is loose, original set screw can be tightened. If set screw is fail, you can drill another set hole on engine base and thread tapping, and then tighten the set screw.maintenance of electric motor of crusher

Billions of Dollars in Gold Still Waiting to Be Found

In 2009 the Associated Press reported that, “Many miners, who are currently working the California gold fields believe that only 10 percent of the gold in the Sierra Nevadas was discovered in the original gold rush”.

That means that there are literally BILLIONS of dollars in gold waiting to be found in California and just about every other state in the Union.

The use of modern gold prospecting equipment, such as gold detectors, lightweight dredges, and lightweight sluices will allow a new generation of gold prospectors to strike pay dirt, because the gold is there. It’s just been hard to get to… until today.

Gold Prospecting

What is gold prospecting? The official answer from Gold Prospectors Association of America is that prospecting consists of panning, hand-fed sluices, high-bankers and dredges with up to a 4-inch intake. But regardless of how you define it… chunky nuggets, gleaming flakes in a sparkling stream… modern-day gold prospectors find the shiny stuff in many forms! And no matter the size or type, having the right equipment makes gold recovery easier, more profitable, and lots more fun!
Tried and true prospectors are constantly inventing innovative ways to better recover gold, and luckily, the new equipment they introduce makes finding gold much easier than during the old Gold Rush days! Gold prices have TRIPLED in the last 10 years and long-term gold price trends still point up, so there’s never been a better time to find your own gold! And the best part is that you can find and recover gold in numerous ways— with a variety of affordable gold prospecting equipment found on this website that will meet your needs and your budget.

gold mining equipment in south africa

Mining industry blossomed in South Africa. Eversince, it became the source of the country’s wealthy and well-advanced economy. It is considered the second largest gold producer aside from various minerals it has to offer, hence it is also a major gold mining equipment supplier. Furthermore, it exports coal, too. Thus, there is a great need for good mining equipments since most parts of the world have their own excavations. Bulk of the excavation tools are for the aeration necessities in underground collieries. These machineries hold the working circumstances bearable. Since there is intense heat inside mines, they need lots of oxygen to keep the workers safe. The appropriate mining equipment can have a heavy impact on the safety of the miners and the level of difficulty of the excavation and extraction procedures.

It is very important to choose the best provider of gold mining equipments, especially in South Africa. Thus, one must consider the expertise of a company within the mining industry. The provider needs to have the knowledge on how to fit the machineries for the buyer’s specifications. It is also important to note whether the provider passed the ISO 9002 compliant. Research the company’s profile for guidance as to the best equipment to pick and conduct a meeting with the staff to educate them on the new techniques of the machinery to be used. In doing so, you will be able to estimate whether they could easily adapt to the new equipment or not. However, it is still the best to pick the company with a proven track record and is trusted by the industry itself.

In addition, choose the suppliers with ongoing support in case the equipment undergoes several problems. It is very important to note that the company knows how to troubleshoot their own machines. This will help you save more. Aside from this, look for a low maintenance, environment-friendly and durable tools.
Don’t make abrupt decisions. Study various quotations first then inquire carefully on each equipment, examine the benefits of the various gold mining equipment suppliers in several countries, specially in China (which is one of the cheapest).gold mining equipment in south africa

Iron ore Mobile Crusher for sale

Mining and processing of iron ore involves coarse crushing and screening. Iron ore is beneficiated by crushing and then separating the iron from the gangue minerals through screening. This is usually so efficient that lower grade ore can be treated especially when the magnetite is quite coarse. Common iron ore crushers are jaw crusher, cone crusher and fine jaw crusher ,Iron ore Mobile Crusher for sale

Mobile Jaw Crusher Plant Features and Benefits

1. PE Series high performance jaw crushers
2. Incorporated the feeder and vibrating screen into the crusher
3. Everything on board: crusher, feeders, screens, belts and power installations
4. Quick road transportation thanks to king pin arrangement
5. Installation support legs on the track，quick to set-up
6. Electric motor and control cabinet are on the same truck

India Mobile Jaw Crusher Work Principle

SBM mobile crusher plant concept is fully adaptable to all mobile crushing needs, it sets up a new range of business opportunities for contractors, quarry operators, recycling and mining applications. It can eliminate the obstacles of the crushing places and circumstances, and offer the high efficient and low cost project plants for the client. To the client, the Jaw Crusher Series Mobile Crusher Plant is the best choice.