Iron Board 12-inch thick, 10 inches wide by 16 inches long.
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Iron Pipe, One End Capped 14-inch thick, 2 12 inch diameter, 6 inches long.
Rock crushers come in many shapes and sizes, from the strictly hand-held to the complex industrial sizes, which can crush tons of rock and ore in one day. Making your own rock crusher invariably requires you or someone you know to possess some basic welding skills. Iron is the ore of choice when it comes to breaking rocks into hand-sized pieces and a skilled or even semi-skilled welder are the only people who can shape iron. This particular kind of rock crusher is perfect for homeowners or amateur prospectors.
Using your tape measure and permanent marker, measure and mark the center of the iron board.
Activate your arc welding torch, don you welders mask, and weld the 4-inch pipe to the iron board. Let stand until cool to the touch.
Pour the quick dry cement in a wheelbarrow or metal tub, follow the mixing directions on the package. You will not need to use more than two pounds of cement at most.
Modern practice, then, is to crush the ore as it comes from the mine in two steps to a maximum size of 8221 without the use of water except as a spray to remove dust. Three stages are only needed if the primary machine is called upon to take lumps of exceptional size, such as are encountered when mining is done by power-shovel. Since this material is very difficult to handle through a bin gate, it is usual to feed it direct to a specially large preliminary crusher, often of the jaw type, which breaks the ore to a size small enough to enter the normal primary crusher.
Most crushing plants are now designed on the lines shown in Fig. 1, which is a diagrammatic view of a two-stage arrangement.
The ore from the mine is dumped in the coarse ore bin, from which an automatic feeder delivers it over a grizzly to the primary breaker, the latter being of the jaw type in the case of a small plant and of the gyratory type in the case of a large one. The reduction ratiothat is, the ratio between the inch size of the largest lump entering the machine and that of the largest piece leaving itis usually between 4 and 6 to 1 for either machine.
The undersize of the grizzly joins the product of the primary breaker and is transported by a belt conveyor to an intermediate bin, from which an automatic feeder delivers it to an elevating belt conveyor discharging on to a vibrating screen. The screen by-passes any material fine enough to enter the grinding section and delivers the oversize to a cone crusher, the discharge of which joins the undersize of the screen and is taken by a belt conveyor to the fine ore bin ahead of the grinding section.
For three-stage crushing, the preliminary stage is frequently a duplication of the first step of the two-stage arrangement shown in Fig. 1, but it is not uncommon for the first machine to be placed near the scene of mining operations if the mine is situated at a considerable distance from the flotation plant.
Fine crushing is, of course, a relative term. Obtaining a final crusher product of minus 8221 is commonplace today and can occasionally be obtained in an open circuit final crushing stage.
Even when a crusher has the capability of achieving a high reduction ratio it is normally more efficient to run the crusher at a mid-setting, as shown in the manufacturers tables, rather than choosing the closest setting which offers the greatest reduction ratio. The main consideration at each stage for maximum production is efficient power draw.
Primary Crusher The Primary crusher8217s main purpose is to reduce large fragments of blasted or natural rock down to a size suitable for handling by transfer equipment and the secondary stage crusher. Feed opening and product size ranges for the various models or Gyratory crushers are as follows.
A Maximum Feed Opening 1500MM to 750MM 5 ft. to 2 ft. b Recommended Minimum Product 162MM6 in.
Standard Secondary Cone Crusher Refer to Fig. 1 The Standard Cone crusher is normally applied as a secondary crusher in a multi-stage crushing circuit. The small diameter feed distributor and the wide throat opening at the top of the liners enable the Standard Cone crusher to accommodate the larger feed produced by the Primary crusher.
WorldWide Electrics Advanced Design Rock Crusher Motor is engineered to provide reliable uptime while resisting harsh environmental conditions and the heavy daily usage required by the aggregate and biomass industries. WorldWide Electrics Advanced Design Rock Crusher motors are available in 250-600 HP and 1800 amp 1200 rpm.
Aug 05, 2019nbsp018332Each crushing sectionstage can be defined as a part of the plant that takes an input material of a given size and reduces it to a smaller size for the next crushing sectionstage. Most crushing sectionsstages contain screens to remove the finer material before it goes into a crusher.
Advanced Design Rock Crusher Motors. Our rock crusher motor can operate with several types of rock crushers. We use FC200 density cast iron for the motor, roller bearings on the drive-in for belt applications, and a circlip on the opposite drive-in of the motor that allows the motor to be used for vertical shaft applications, such as VSI crushers.
Rock crusher design for rcc aggregate. rock crusher design for rcc aggregate cheztchoutchoube. rock crusher design for rcc aggregate mill gold,CrusherWikipedia A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dustOther metallurgical developments such as silver and . live chat rock crusher design for rcc.
Cone crushers are critical pieces for aggregate production, mineral processing operations, and recycling applications. Theyre typically a secondary or tertiary rock crusher and produce a fine or medium-sized aggregate material. Since cone crushers have a large feed opening and small discharge sizes, this type of aggregate equipment has a high crushing ratio, making them quite efficient on comminution circuits. The crushed material is less likely to require further crushing after passing through a cone crusher.nbsp.
There are two main ways to deliver energy to the crushing chamber. The first and most common is a belt drive system. This system typically has a fixed speed motor, sheaves, and v-belts to deliver crushing power to the mantle. The Blackhawk 100 Cone Crusher is different from a typical rock crusher on the market as it uses a direct drive system, eliminating the need for sheaves and v-belts.nbsp.
A belt drive cone crusher is the most common type of drive system used for rock crushers and other aggregate equipment. Its easy to see why 8211 it works They are a tried and tested solution for a variety of crushing applications.nbsp.
Belt drive cone crushers use a fixed speed motor, changing the operating speed requires changing the sheave ratios. This requires some maintenance down-time, which does slow down your operation.
The system requires a tensioning arrangement for the motor to run optimally. Typically belt drive cone crushers are more expensive and time consuming to maintain than their direct drive. Belts can also slip and reduce crushing efficiency.nbsp.
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