Calculating Jaw Crusher

The document describes an experiment to test a laboratory jaw crusher. It aims to: [1] study the parts of the jaw crusher and their functions; [2] analyze products using sieve analysis; and [3] calculate the reduction ratio. It provides details on the jaw crusher's construction, working principles, related terminology, and parameters like capacity and speed.

JAW CRUSHER QJ341 JAW CRUSHER KEY SPECIFICATIONS DATA Equipment Single toggle C12 jaw Feed opening 1.20 m x 750 mm / 47" x 29" Maximum feed size 650 mm³ / 25.6 inch³ Engine C9.3B Stage 5 / T4F 280 kW / 375 hp C9 T3 261 kW / 350 hp NR4 (China) 280 kW / 375hp Transport dimensions 14.15 m / 46' 4" (l) 2.86 m / 9' 4" (w)

To calculate jaw crusher rating, two essential parameters are needed and these parameters are Gape Size (G) and Width of Crusher (W). The formula for calculating the jaw crusher rating: J r = GW

Single-toggle jaw crusher specs The selection of an appropriate primary crusher for a given use has to be based on a consideration of several factors. These are not limited to the design features of the crusher. If the feed is blasted rock from a quarry, the size and method of handling …

single-toggle jaw crusher is directly proportional to the area of the charging opening described by F. Taggart in 1927 [16]: Q =930, ⋅L⋅B where L and B are the length and the width of the jaw crusher charging opening, m. Taggart formula takes into account just two structural settings of the crusher. However, it is quite

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Besides being an important item for the machine's performance, the jaw crusher's jaws are responsible for front frame and swing jaw protection. Wear generally causes loss in production due to increased crushing angle, …

Accurate jaw crusher capacity calculation is essential for: Production planning: Determining the required crusher size and capacity to meet production targets; Equipment selection: Selecting the most appropriate crusher for a specific …

Sizing a crusher can be done reliably calculated thanks to the Impact/Crushing Work Index and the testwork research done by Fred Chester Bond and his 1952 paper. …

the jaw crusher can crush rocks efficiently through the entirety of the cavity, and the nip angle can be further improved with an intermediate plate. C Series jaw crushers 7. The setting of the C Series jaw crusher can be adjusted with two wedges without shim plates. The adjustment system is

jaw crushers can be designed as single (Fig. 1b) or double toggled (Fig. 1c). (a) (b) (c) Fig. 1. a) Cross-section of a jaw crusher [1], b) Illustration of a single toggle b) Illustration of a double toggle crusher [7] Evaluating the Impacts of Jaw Crusher Design Parameters by …

The method of calculating operating variables such as the critical speed, toggle frequency and throw and power consumptions are explained and illustrated with practical examples with solutions. ... The capacity of a jaw crusher per unit time will therefore depend on the time taken for a particle to be crushed and dropped through each successive ...

Such an arrangement is seldom encountered in modern plant design, except where large jaw crushers, set very wide, are followed by a secondary, usually of the standard gyratory type, to reduce further the very coarse output of the jaw crusher to a size which can be handled by the recrushing, screening, and elevating equipment in the balance of ...

power requirements of jaw crushers. Introduction Although jaw crushers are extensively used for a variety of materials, their operational characteristics are not well understood. This lack of understanding makes selection of the proper machine difficult. Hersam (1923) proposed a method for calculating capacities using a Dodge-type jaw crusher.

Abstract— The stroke feature value of jaw crusher outlet is an important performance parameter. Usually, the smaller the stroke feature value is, the milder the wear of the jaw liner is, ... correctness of theoretical calculation is validated by the simulation with ADAMS. The result show that the stroke feature value of outlet decrease by 30. ...

Static force analysis of the mechanism of a single toggle jaw crusher was carried out which made it possible to understand the mechanism of torque transmission to the links of crusher, determine ...

Hersam (1923) proposed a method for calculating capacities using a Dodge-type jaw crusher. The equation proposed by Hersam includes a number of constants that are only qualitatively …

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In order to determine all these factors to design the proper primary crusher, many experimental and field studies should be performed or a consulting service from a manufacturer should be …

Crushers. Barry A. Wills, James A. Finch FRSC, FCIM, P.Eng., in Wills' Mineral Processing Technology (Eighth Edition), 2016 Jaw-crusher Construction. Jaw crushers are heavy-duty machines and hence must be robustly constructed. The main frame is often made from cast iron or steel, connected with tie-bolts. It is commonly made in sections so that it can be transported …

The opening of the primary crusher, for example, will affect the throughput of secondary crushing, and secondary crushing will, in turn, influence tertiary production and so on. How to check the opening of the jaw crusher Whenever a jaw crusher is off and at rest (stopped), it will remain in the open position at its open-side setting (OSS).

the crusher and scalp out fi nes. Primary gyratory crushers – ideally suited to all high-capacity primary hard rock crushing applications. Jaw crushers – we have more installed jaw crushers than anyone in the world. The lead-ing choice due to their high reduction ratio and heavy duty design. Cone crushers – capacities available to suit all

With a lab-scale jaw crusher as a test case, an optimisation was made on how to operate it most energy-efficiently by using an evolutionary algorithm numerical method. For a selected optimised case an attempt was made to simulate the jaw crusher using a commercial software for discrete element modelling (DEM), after first simulating single ...

Calculating the efficiency of a jaw crusher requires several steps, from gathering necessary data to the actual computation of efficiency. To calculate the efficiency, we need to know the quantities of the input and output of the crusher.

Calculate the capacity of a jaw crusher; the available data are: rpm of the main drive shaft is 170, width of swing jaw is 1.2 meter; amplitude of swing jaw is 45 mm = 0.045 meter. Mean size of the crushed material is 0.17 meter; spec. gravity of crusher feed is 2.7 tons/cu.meter. Thus, although through different methods, both for­ mulas give ...

Designed to deliver exceptional performance and efficiency, the C6X Series Jaw Crusher is a game-changer when it comes to crushing large rocks into smaller particles. But here's where things get interesting – calculating the rotation speed of this jaw crusher can take your productivity to new heights! Yes, that's right.

The reduction ratio is driven by the Crusher Close Side Setting. The actual minimum safe closed side setting of a crusher will vary somewhat, for any given crushing machine, depending upon the character of the material, the amount of fines in the feed, and whether the crusher is being operated under choke-feed or regulated feed conditions. It is …

Jaw crusher movement is guided by pivoting one end of the swinging jaw. and an eccentric motion located at the opposite end. [4] The size of a jaw crusher is designated by the rectangular or square opening at the top of the jaws .For instance, a 22 x 30 jaw crusher has an opening of 22" by 30", a 46 x 46 jaw crusher has a opening of 46" square.

Calculating owning and operating costs. ... For example, a small jaw crusher with a purchase price of $100,000 is installed for $20,000. The crusher is expected to require maintenance costs of $10,000 per year. The …

industry, drillers are used to destroy fragile materials by compression (roll, jaw, conical) and impact (gear, hammer). Compression crushers are divided into the following types: jaw crushers, in which destruction occurs due to the opposite working movement of the plates [2]; roller, * Corresponding author: [email protected]