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Descriptions
Diaphragm jig is divided into three types, upper pulsating diaphragm jig, below pulsating cone diaphragm jig and side action diaphragm jig. Diaphragm jig is fixed screen type. It is available in separating metallic ores, such as tungsten ore and placer gold ore, iron ore as well as tin ore, which not only can be separated fine materials, but coarse also. The largest feed size is 6-8mm but it can be 12mm in few cases.

Diaphragm jig is mainly composed of jig box, drive device, water distribution, diaphragm and bibcock. There are two jig buckets with different sizes and each diaphragm is divided into jig area and diaphragm area by clapboard. The rubber diaphragm pumping to make medium (water) moving is the jigging course. The triangle belt drives big belt pulley by electromotor so connecting rod of the eccentric gear and rocker are up and down moving. Another connecting rod is connected with the rubber diaphragm which is moving up and down to jig.
Based on the size of ore, we can change the stroke of connecting rod and choose different stroke to make the best jigging effect. The method of altering stroke per minute is to exchange a smaller belt pulley but there are two strokes per minute: 322r/m; 420r/m. The method of choosing stroke is to loose bolt and screw cap, take out bowel and move the relative place between eccentric adjusting sieve and eccentric shaft so there are 11 different strokes (0-25.3mm).

Because of a sieve added on the working screen, the jig can be processed the uneven sizes of material. (note: the sieve can be requested to supply or not). After the feed ores are sent to jig chamber, the ores are separated to different layers in the medium by the pulsation of diaphragm. The light but weight is sank to the tank of jig bucket through the spaces of materials of artificial bed layer and its sieve holes but the coarse but light is washed to the discharge end of screen by medium. Because the back jig chamber is lower 50mm than front jig chamber, the light ores is overflowed through front jig chamber to the back chamber and jigged again. If needed, the place of end plate can be adjusted to control the discharge amount. The concentrate in tank can be discharged by discharge tube regularly.

Main Technical Parameters