Crushing & Screening

Vibrating Screen

For efficient wet or dry screening—Hi-capacity, 2-bearing design. Flywheel weights counterbalance eccentric shaft giving a “true-circle” motion to screen. Spring suspensions carry the weight. Bearings support only weight of shaft. Screen is free to “float” and follow positive screening motion without power-consuming friction losses. Saves up to 50% HP over 4- bearing types. Sizes 1 x … Read more

Jaw Crusher Working Principle

A sectional view of the single-toggle type of jaw crusher is shown below. In one respect, the working principle and application of this machine are similar: the movable jaw has its maximum movement at the top of the crushing chamber, and minimum movement at the discharge point. The motion is, however, a more complex one than the … Read more

Cone Crusher

From the discussion so far it is obvious that two energy factors determine a crusher’s productivity: (1) Total power drawn affects the quantity produced of any given size or range of sizes. (2) The energy applied, previously defined as the crusher’s Power Rate (kilowatt-hours per ton of feed) will determine the size reduction. This has … Read more

Compression Tests Iron Pellets

A number of compressive tests were conducted on iron ore pellets obtained from the Samarco pelletizing plant located at Ponta Ubu, Brazil. These pellets are formed by disk pelletizing of a mixture consisting of hematite iron ore, (particle size less than 50 µm) water, and lime; they are hardened in a traveling-grate furnace and the … Read more

Calculating Stockpile Capacity

Calculating Stockpile Capacity: Once the minimum storage capacities which will assure maximum mill output are known, the appropriate stockpile configuration must be determined. Stockpiles fall into two general categories: conical and elongated. Conical Stockpiles The conical stockpile is the simplest and easiest to analyze. The total stockpile capacity is given by: 3.14 (Tan A)R³ D/3000 = … Read more

How to Size a Cone Crusher Motor

In the cone crusher capacity table, a maximum motor size recommendation is given for any eccentric throw. Only in rare circumstances is this maximum horsepower required; in many installations a motor of only half the rating of the maximum is required. If there is any doubt regarding the proper motor size, a sample of the … Read more

Cone Crusher Maintenance

WOBBLE PLATE FEEDER A wobble plate feeder is furnished as standard equipment with Fine crushing chambers and as optional equipment with Coarse and Intermediate crushing chambers. It consists of a distributing plate to which a wobbling motion is imparted by the gyrating motion of the main shaft. The feeder is equipped with an enclosing hopper … Read more

Cone Crusher Installation

Tabulated installation drawings show the principal dimensions of the Hydrocone cone crusher, and are sufficiently accurate for preliminary plant layout work. In the smaller sizes (up to 48-in.) the Hydrocone crusher can be discharged vertically downward, or a feed spout can be provided which will convey the crushed product off to one side. Rubber shear mountings … Read more

Cone Crusher Parts

Cone Crusher SPIDER CAP The cast steel spider cap has been designed to serve as a feed distribution plate for coarse materials. It is recessed on the 22, 30, 36 and 48-in. crushers. For fine materials, the wobble plate feeder — a more effective means of distributing the feed — is recommended. TOP SHELL AND … Read more

Vibrating Feeders

Electric Vibrating Feeder The Electric Vibratory Feeder is a vibrator that provides an extremely efficient, simple and economical solution to the problem of making the most stubborn material flow freely. No longer need there be a sticking together of wet ore in the ore bin, or the arching over and hanging up of materials in hoppers … Read more