SAG mill product feeds two parallel ball mills of m× m (internal diameter×length), each with a MW twin pinion drive. The ball mills are operated at a ball charge volume of 30–32% and % critical speed. The SAG mill trommel undersize is combined with the ball mills' discharge and pumped to two parallel packs (clusters) of ...
SAG mill product feeds two parallel ball mills of m× m (internal diameter×length), each with a MW twin pinion drive. The ball mills are operated at a ball charge volume of 30–32% and % critical speed. The SAG mill trommel undersize is combined with the ball mills' discharge and pumped to two parallel packs (clusters) of twelve 660
Parts of SAG Mill to be lubried: Trunion Bearing (feed end) Motor Bearings Gearbox Pinion Bearings : SAG mill Diagram Trunion Bearing (dis. end) 7. Lubricant Data: Masbate Gold Project's SAG mill uses Compounded Gear Oil as their main lubricant. But a different class of Gear oil is use in every operating system of the SAG mill. SAG Mill Components Type Characteristic Motor Bearings ...
Picture showing the damaged trunnion bearing of the Bogoso Ball Mill. Inspection of a new pinion shaft to be installed on the Newmont Ahafo Sag Mill RHS drive. Ahafo sag mill pinion . Ahafo sag mill pinion . Bogoso trunnion bearing change out. Bogoso trunnion bearing change out.
• Highspeed motor > gear reducer > clutch > pinion Due to their respective functionality, ball and SAG mills each have different torque overload requirements. For example, the torque overload capacity requirement for a ball mill is 200%. A SAG mill requirement might be 225250% torque based on Full Load Motor Torque (FLMT).
Align Ball Mill Pinion Gears Vetura Mining machine. Ball Mill Pinion Alignment Sugar Smith Cakes May 10 2017 align ball mill pinion gears as a leading global manufacturer of crushing grinding and mining equipments we offer advanced reasonable solutions for any size get price cement mill alignment 10 may 2017 cr4 thread ball mill girth gear and pinion with all due respect the way to perform ...
23/09/2014 · Grinding Mill Foundations. admin 23 September 2014 2014, Design, Foundations, Stiffness, System Analysis, Vibration. Most of our work since 2000 has been in developing grinding mill foundations to avoid vibration and unacceptable deflections. On a recent project for a plant in Peru, the client was told by the mill vendor that there was no need ...
the mill speed as a fraction of the critical speed, ϕC, can be observed by plotting the process power and torque draw superimposed on the relevant motor capability curve. Such plots for an example mill, the SAG mill at Cadia (described by Dunne et al., 2001) is shown in Figure 3.
20/03/2020 · Ball mill: When the particle size of the product is less than, the grinding effect of the ball mill is greater than that of a rod mill of the same specifiion. SAG mill: The SAG mill has a wide range of feeding particle sizes and can process larger minerals, but at the same time, its output particle size is relatively larger.
Hi Observing high vibs on pressing and lifting pinion DE and NDE bearing on a ball mill. Motor and main GB drive are OK. Clear predominant gear mesh frequency is appearing in the spectrum along with harmonics and side bands. But 1st GMF is predominant. side bands with pinion speed is seen. no GG speed side band was observed Some of the vib data, spectrums and photos shown in the attachment.
Ball/Sag/AG Mill, Roller Press HPGR/HRC The dual pinion drives in a mill can come out of sync due to power problems, or disturbances in the motor control system. Another common problem is frozen charge that has built up inside. This might cause torque peaks or consequential damage. Synchronization problems or jammed rollers in a roller press ...
The SKF IMxS condition monitoring system was set up and configured with appropriate alarm thresholds. After monitoring the SAG mill for just under three months, warning signs appeared in the data. An analysis of a waterfall diagram showed that sidebands had developed around the input pinion gear frequency, indiive of the wear on the gears.
· As SAG mills grew in size and number, so did the size and weight of the linings required. This increase in liner size created a maintenance problem, because the changing out of worn liners was a task that could no longer be performed by hand. Additionally, there was also a new problem for production staff: because a SAG mill was often now the only primary grinding mill, that meant that .
The loion of the damage observed on the lowspeed pinion (Fig. 7) corresponds to the damage observed on its mating gear. However, the level of damage on the lowspeed pinion is much more se vere than that on the mating, lowspeed gear. Since the pinion sees many more cycles than the gear, the disparity in the level of damage is expected.
Installation Twin Pinion Sag Mill. Jan 14, 2020· 03 Alignment of pinion. After the alignment of the big gear ring is completed, the pinion device shall be put in place according to the requirements of the drawings, the center height of the pinion shall be retested with a level gauge, and the sizing block
Pinion bearing damage in ball mill. Using HD measurement technologies, Bulgarian copper producer Asarel Medet AD monitors the mechanical condition of critical equipment in the openpit mine and flotation plant. This case study deals with the successful detection of outer race damage on a ball mill pinion bearing. Improving Mill Shoe Bearing ...
Overview on the grinding mills and their dual pinion mill drives mill and two 24' x ' ball mills will be briefly discussed. ... the installation of a new primary crusher and conveyer system. .... a short circuit on the motor terminals that could cause severe damage to the gear, pinions, bearings and mill. .... has been shown (Hamilton et al, 2006) that several torque spikes occur during ...
pinion gear sag mill. Mill Pinion Gears Our high torque high precision integral and nonintegral mill pinions are used in SAG horizontal ball mill and rotary kiln appliions across the globe Supplied as an individual component or as a fully optimised system comprising a girth gear mill drive gearbox pinion and barring drive our pinions are manufactured
been used. Singlepinion and dualpinion fixedspeed gear drives offer a relatively simple design. However, process flexibility and optimization can only be achieved with variable speed drives. Furthermore, mechanical problems and maintenance for gearboxes increase operating cost and reduce availability of ball and SAG mills.
Pinion On Sag Mill. Send Email: [email protected] Submit Message Inquiry Online. Ball Mill. Ball mill is the key machine to grind the crushed materials. Ball mill machine is widely used to process cement, silie product, building material, refractory material, fertilizer, ceramics and glass, etc.
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