Gyratory Crusher (GY model) FEATURES Excellent Design ・Design is a combination of the most modern engineering techniques. ... Eccentric Throw (mm) Capacity(mt/h) Motor Mass (t) Discharge setting(O.S.S. mm) Power (kW) Pole (P) 65 75 90 100 115 125 140 150 165 180 190 200 215 230; 30-55: 760

Comminution by gyratory crusher is the first stage in the size reduction operation in mineral processing. ... Eccentric speed, throw and feed rate of rock aggregates does not have notable ...

Key Benefits. Ultra heavy-duty design. Lowest total cost of ownership. Lowest cost per tonne in operation. Digitally enabled. Safer, simpler maintenance. Crush even the most challenging ore with the digitally-enabled TSUV gyratory crusher and achieve the lowest total cost per metric tonne in operation.

Crusher Types. There are three common crushers used at mining and processing plants: Gyratory Crushers; Jaw Crushers; Cone Crushers; Typically, the initial crushing stage is completed using either gyratory crushers or jaw crushers. It is often the case that there will be only one crusher installed, and this will be referred to as the primary ...

constant eccentric throw, guaranteeing up to 90% of feed opening. Secure, self-tightening concaves prevent liners from coming loose. Metallic contact between the …

A parameter that is difficult to change but is important for the operation of the jaw crusher is the throw. Fig. 16 shows the variation of power draw of the crusher under different CSS, when the throw is gradually increased. It can be observed that the power required to drive the crusher increases with increasing eccentric throw.

The core of the Superior™ MKIII 54-75 primary gyratory crusher is the robust design. Resistant U-shaped arched spider, durable manganese bronze spider bushing, new shell separators and inspection ports, as well as hardy one-piece main shaft makes the Superior™ MKIII 54-75 primary gyratory crusher efficient and lasting, but easy to …

The gyratory crusher has been built in three types known respec- tively as the suspended-spindle, the supported-spindle and the fixed- spindle type. The second type, with the hydraulic piston as the sup ... the eccentric throw is the same at the top of the chamber as it is at the bottom. The eccentric is very long and extends practically the

Maximum available eccentric throw, mm 37 42 45 47 Minimum available eccentric throw, mm 21 28 29 31 Open side setting, mm (application specific) - - - - Recommended throw, mm (application specific) - - - - Capacity, mtph (application specific) - - - - Gyrations per minute 164 164 148 151 Pinion shaft speed, rpm 500 500 500 500 …

However, as the eccentric angle and the pivot point control the degree of eccentric motion at any height in the crusher, the height of the pivot point is a key design decision. A cone crusher with a feed distributor (as shown in Fig. 2) often has the pivot point close to the center of the feed spreader plate.

It is possible, when all conditions are favourable, to operate gyratory crushers, with standard throw eccentrics, at smaller discharge settings than are indicated by the …

O.S.S. - C.S.S. = Eccentric throw C.S.S O.S.S C.S.S O.S.S O.S.S-C.S.S = Eccentric throw. 6 In order to achieve these benefits, the following should be considered: 1. Always start the crusher correctly ... Operating a gyratory crusher within its design parameters reaps huge benefits for the end-user, most notably, maximum crusher online ...

Well-designed crushing chambers built from strong materials make a fulcrum point that ensures a constant eccentric throw, guaranteeing up to 90% of feed opening. Secure, …

A gyratory crusher size 33–55 was designed to accept feed of size 68 cm × 178 cm. The open-side setting of the discharge opening was 10.2 cm. The rate of gyration was 175 per minute. Calculate. 1. the capacity of …

The cone crusher is a modified gyratory crusher. The essential difference is that the shorter spindle of the cone crusher is not suspended, as in the gyratory, but is supported in a curved, universal bearing below the gyratory head or cone (Figure 8.2). Power is transmitted from the source to the countershaft to a V-belt or direct drive.

I have experienced many problems due abnormal power draw behavior of the electric motor in a primary gyratory crusher in iron ore crushing, especially when the service life of the first row concave comes to an end. I suspect that the current eccentric throw of the mainshaft (52mm) is higher than is really necessary.

To optimize the crushing chamber of the gyratory crusher, the discrete element method (DEM) is used to explore the influence of the concave curve height, concave curve radius, eccentric angle, and ...

What sets cone crushers apart is their fully adjustable eccentric throw via an internal bushing. Rather than requiring replacement parts to change throw length, crushers allow easy adjustments even under load. Rotating the eccentric bushing with a hydraulic cylinder or hex wrench shifts the position of the main shaft's …

Shortly after the start-up of the loaded gyratory crusher, a severe failure issue occurred in the eccentric bushing of the crusher. Based on the analysis of working conditions and force, the failure mechanism of the eccentric bushing is studied in detail by combining macroscopic analysis, finite element analysis, scanning electron microscopy …

opening. Gyratory crushers can be used for primary or secondary crushing. The crushing action is caused by the closing of the gap between the mantle line (movable) mounted on the central vertical spindle and . the concave liners (fixed) mounted on the main frame of the crusher. The gap is opened and closed by an eccentric on the bottom of the

8 FLS —Spare wear parts for Gyratory Style Crushers Custom threaded mainshaft sleeve We create customised threaded mainshaft sleeves to protect your mainshaft. With the threads on the sleeve instead of the mainshaft, removing and installing the inner head nut no longer risks damaging the expensive mainshaft. Custom throw eccentric bushing

Gyratory crushers are one of the main pri-mary crusher types used in mines and quar-. diameter mainshaft assembly, and high performance bearing arrangement pro-vide long life and reliable operation. Accurate crushing chamber design for optimized production. Dual counterbalance design minimizes the dynamic forces transmitted to the supporting ...

Allis Chalmers gyratory crusher, 54" x 74", manufactured in 1971, 1-5/8" eccentric throw. Includes spare head and main shift with mantles, spare spider, rock breaker., HP: None, Measurements: 54" x 74", Materials of Construction: Carbon Steel, Basis: As Is, Where Is, Width: 54 Inches.

O.S.S. - C.S.S. Eccentric throw. Mainshaft positioning system. is a hydraulic method of vertical adjustment to compen-sate wear. It consists of a pump, controlled by a push …

CG800i Gyratory crusher brochure Capacity (by hour) 3,800 - 8,250 mtph (4,180 - 9,075 stph) Feed opening 1,549.0 mm (61.0 in.) ... Well-designed crushing chambers built from strong materials make a fulcrum point that ensures a constant eccentric throw, guaranteeing up to 90% of feed opening. Secure, self-tightening concaves prevent ...

A gyratory crusher is one of the main types of primary crushers in a mine or ore processing plant. Gyratory crushers are designated in size either by the gape and mantle diameter or by the size of the receiving opening. ... Eccentric Throw (in.) Motor Power (Hp) Mass (ton) 42 – 65 : 43″ x 65″ 28″ x 37″ x 55″ 497 : 150 : 1″ 1.25" 1 ...

The older long-shaft gyratory crusher which has the gear above the eccentric (Fig. 23) has another difference in that the eccentric bearing is supported by a bottom plate A.

The eccentric throw is one of the most important parameters in defining the job that your cone crusher does. The mantle in a cone crusher spins in conical pendulum motion. That means it doesn't stay in the center of the chamber – it sweeps around moving closer and further away from the concave. This is what creates the crushing action. At a ...

Well-designed crushing chambers built from strong materials make a fulcrum point that ensures a constant eccentric throw, guaranteeing up to 90% of feed opening. Secure, …

The eccentric throw (Fig. 19 a) increases nearly linearly and strongly until contact is made between the liners. This means that the eccentric throw is not a useful quasi-invariant from a design perspective for the cone crusher as it changes strongly with the eccentric angle. Fig. 19 b shows the variation of LRR with the eccentric angle. LRR …

Gyratory crushers typically crush to reduce the size of aggregate to a maximum of about one-tenth of its original size. Gyratory crushers are always installed vertically …