• sag mill with bull gear for copper

Flexible milling and grinding solutions that last

For the mining industry, our semi-autogenous (SAG) grinding mill uses a minimal ball charge in the range of 6-15 percent. It is primarily used in the gold, copper and platinum industries as well as in the lead, zinc, silver, and nickel industries. Autogenous (AG) grinding mills involve no grinding media as the ore itself acts as the grinding media.

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What's the Difference Between SAG Mill and Ball Mill

Nov 26, 2019Nov 26, 2019The biggest characteristic of the sag mill is that the crushing ratio is large. The particle size of the materials to be ground is 300 ~ 400mm, sometimes even larger, and the minimum particle size of the materials to be discharged can reach 0.1 mm. The calculation shows that the crushing ratio can reach 3000 ~ 4000, while the ball mill's

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Press Release

Apr 11, 2014The Huckleberry mill is currently achieving budgeted throughput levels of 700 to 800 tonnes per hour. The Huckleberry mill went down on February 26, 2014 when a tooth failed on the semi-autogenous grinding (SAG) mill bull gear, damaging this gear and one of the pinion gears on the dual drive mill. To enable the SAG mill to be restarted, the

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COPPER: Imperial rounds up cash to finish Red Chris

Mar 05, 2014Late breaking: A broken tooth in the SAG mill bull gear has forced Imperial Metals to suspend milling at the Huckleberry copper-molybdenum mine 123 km southwest of Houston, BC. Depending on parts availability, repairs may take as long as four months. Imperial holds a 50% interest in and is the operator of the Huckleberry mine.

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POST

Feb 04, 2012Feb 04, 201210. The subject bull gear was a replacement ordered for the 44 Mill, Stand 2 from the Philadelphia Gear Company on July 23, 1990. This order followed a service inspection report dated July 16, 1990, that noted that the pre-1990 bull gear had a 'face runout of the [pre-1990] main gear of 0.080," ' indicating that is was "bent or warped,"

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Paper # 25

The grinding circuit for the Copper Mountain project consists of one SAG mill and two ball mills. Figure 1 - Overview grinding circuit The Copper Mountain SAG mill is 10363 mm [34 feet] in diameter and 6096 mm [20 feet] long. It is a grate discharge mill with an inside diameter of 10363 mm [34 feet] and a grinding length of 5334

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Girth Gear Inspections

The total time to clean inspect a large 40' SAG mill gear is under 8 hours. Girth Gear Specialist Team includes an gear engineering specialist who conducts gear inspections based and on the inspection recommendations outlined in the annex of AGMA 6014-B15. Including a visual tooth condition assessment based on AGMA 1010-F14.

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to supply crusher, SAG mill and ball mill to

Aug 07, 2019Aug 07, 2019FLSmidth to supply crusher, SAG mill and ball mill to copper mine in Serbia. Chinese mining company Zijin Mining Group Company Limited has chosen to provide a gyratory crusher, SAG mill and ball mill to the Majdanpek mine, which forms part of their newly purchased Zijin Bor Copper mine group. The delivery of the equipment to the

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My Gear is Bigger than Your Gear

SAG mill gear set at the Los Bronces Copper Mine. "We also have two Detour Lake SAG mill gear sets, at 13.4 meters," Rhody says. "Additionally, there are five others with diameters between and 13 13.2 meters. In terms of mill power, two of these have a total mill

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SAG Mill Grinding Circuit Design

Jun 06, 2016Jun 06, 2016SAG Mill Design and Specification . The Kidston plant was designed to process 7500 tpd fresh ore of average hardness; but to optimise profit during the first two years of operation when softer oxide ore will be treated, the process equipment was sized to handle a throughput of up to 14 000 tpd. Some of the equipment, therefore, will become

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Imperial Reports Operations Resume

Apr 11, 2014The Huckleberry mill is currently achieving budgeted throughput levels of 700 to 800 tonnes per hour. The Huckleberry mill went down on February 26, 2014 when a tooth failed on the semi-autogenous grinding (SAG) mill bull gear, damaging this gear and one of

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Grinding Mill Gear Assembly

Jul 28, 2015Jul 28, 2015Grinding Mill Gear Assembly. We will begin with the mill's bull gear assembly and work towards the motor, The BULL GEAR, sometimes called the RING GEAR is designed to turn the mill transforming the energy of the motor into motion for the mill. By mill we refer to Ball Mills, Rod Mills and SAG Mills.

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to deliver world's largest gear

Nov 17, 2011Nov 17, 2011The contract includes delivery of a 76,000 tonnes per day grinding circuit consisting of two very large SAG mills and two ball mills. The mills will

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Ring gear drives huge grinding mill

Mar 01, 2000Mar 01, 2000Ring gear drives huge grinding mill. March 1, 2000. By this summer, a grinding mill that is bigger around than a Boeing 747 will turn chunks of copper ore into gravel-sized bits for smelting and

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