·JAW CRUSHERS Since the jaw crusher was pioneered by Eli Whitney Blake in the 2nd quarter of the 1800s many have twisted the Patent and come up with other types of jaw crushers in hopes of crushing rocks and stones more effectively Those other types of jaw crusher inventors have given birth to 3 groups Double Toggle of the Blake Type; Dodge Type
The recording instruments were first applied to a standard sized 10 by 7 in Blake type jaw crusher in the laboratory Suficient tests were run on this with various combinations of setting throw speed feed sizing shapes of jaw plates and other operating features to establish the individual effect of each on the capacity
·• Blake Jaw Crusher • The Blake type jaw crusher has a fixed feed area and a variable discharge area • Greatest amount of motion is at the bottom of v which means that it have a little tendency to chock 18 • Single Toggle Jaw Crusher • In the single toggle jaw crushers the swing jaw is suspended on the eccentric shaft which leads
The size of a jaw crusher is usually described by the gape and the width expressed as gape × width The common crusher types sizes and their performance are summarised in Table Currently the dimensions of the largest Blake type jaw crusher in use are 1600 mm × 2514 mm with motor ratings of 250 300 kW
·Non choking Jaw Plates When the non choking concave demonstrated its capabilities in the gyratory crusher it was only natural that the principle should be applied to the jaw crusher But inasmuch as the Blake type jaw is used very largely for primary breaking where maximum receiving opening is more often than not a controlling factor the
·three types of jaw crushers namely Blake Dodge and Universal jaw crushers; th ese are class ified according to the locatio n of the pivot point of the mova ble or swing
4 ·Double Toggle Blake Type or Overhead Pivot Movement Double toggle movement jaw crushers like the Blake style named for the inventor of the first successful mechanical jaw crusher Eli Whitney Blake have long been the standard used for crushing hard and abrasive rocks as well as sticky feeds These jaw crushers have high energy efficiency
·Jaw Type One fixed jaw and one movable jaw with Mn steel Liner Provisions for output gap adjustment is available 6 Feed materials Coal iron ore Mn ore Chromite ore Rock Mg ore Aluminium ore etc 7 BLAKE JAW CRUSHER It
·To bring the Blake and single toggle type crusher capacity test results to common terms for evaluation all data are converted to terms of 10 x 7 in Blake type performance at conditions of 100 lb per cu ft 10 in chamber width 250 rpm in stroke 3 in open side setting and 18° nip angle
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