pillow block bearing required by crusher plant in indonesia

pillow block bearing, estm-gt-gt, igubal

The terms "igus", Apiro, "chainflex", "CFRIP", "conprotect", "CTD", "drylin", "dry-tech", "dryspin", "easy chain", "e-chain", "e-ketten", "e-skin", "e-spool, "flizz", ibow, igear, "iglide", "iglidur", "igubal", kineKIT, "manus", "motion plastics", "pikchain", "plastics for longer life", "readychain", "readycable", ReBeL, "speedigus", "triflex", "robolink", xirodur, and "xiros" are legally protected trademarks of the igus GmbH/ Cologne in the Federal Republic of Germany and where applicable in some foreign countries.

igus GmbH points out that it does not sell any products of the companies Allen Bradley, B&R, Baumller, Beckhoff, Lahr, Control Techniques, Danaher Motion, ELAU, FAGOR, FANUC, Festo, Heidenhain, Jetter, Lenze, LinMot, LTi DRiVES, Mitsibushi, NUM,Parker, Bosch Rexroth, SEW, Siemens, Stber and all other drive manufacturers mention in this website. The products offered by igus are those of igus GmbH

The terms "igus", Apiro, "chainflex", "CFRIP", "conprotect", "CTD", "drylin", "dry-tech", "dryspin", "easy chain", "e-chain", "e-ketten", "e-skin", "e-spool, "flizz", ibow, igear, "iglide", "iglidur", "igubal", kineKIT, "manus", "motion plastics", "pikchain", "plastics for longer life", "readychain", "readycable", ReBeL, "speedigus", "triflex", "robolink", xirodur, and "xiros" are legally protected trademarks of the igus GmbH/ Cologne in the Federal Republic of Germany and where applicable in some foreign countries.

igus GmbH points out that it does not sell any products of the companies Allen Bradley, B&R, Baumller, Beckhoff, Lahr, Control Techniques, Danaher Motion, ELAU, FAGOR, FANUC, Festo, Heidenhain, Jetter, Lenze, LinMot, LTi DRiVES, Mitsibushi, NUM,Parker, Bosch Rexroth, SEW, Siemens, Stber and all other drive manufacturers mention in this website. The products offered by igus are those of igus GmbH

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apron feeders the forgotten equipment - jan's yarns

The above sketch is the general layout of an apron feeder. It is usually placed in a high wear/ high impact area of the process train, quite often feeding crushers or feeding a conveyor, where a controlled feed is required and a conveyor can't do the job.

My first encounter of an apron feeder was in Tajikistan. Two were installed on the process trains (one for each train). Unlike Western feeders, the chain was an integral part of the pan, rather than just bolted to the chain as I have become accustomed to. The impact rollers were fitted to a 5-6' long steel shaft around 4" diameter, which there were around 10 of (from memory), the return rollers were similar, but not as heavy duty. At the end of each shaft was a pillow block bearing, which contained a pretty heavy duty roller bearing. The rollers were welded onto the shaft and when the shafts broke, they were removed and fitted to the next shaft. Usually, the shafts snapped directly behind the welded on roller, which was a simple swap out job, two sections changed out for a complete unit.

The apron feeders were installed under the feed silos, fed from the jaw crusher. It was possible to direct the ore to either silo by moving a trolley, therefore directing the ore where it was required. The normal operating procedure was to keep the silos as full as possible, to allow for any issue with the primary crusher.

The pan design was very similar to the photo above (in fact I believe the photograph is a second generation version of what I had to deal with). However, there were only two links, rather than the three above and, unlike the photograph, the links were an integral part of the pan, there was no ability to just replace a worn pan. The welders frequently had to weld plates onto the wear side of the pans, and eventually had to weld repair the eyes where the connecting pins went through.

We got the call one Sunday morning to go to the feeders, as there had been a major failure. When we arrived, we found a scene of utter destruction. A carry roller shaft had snapped about halfway along and dropped (complete with roller) onto the return side of the feeder.

The feeder had kept driving, so the snapped shaft had travelled back towards the tail idler, where it had got jammed and locked up the tail shaft. Having no weak link in the drive line, or any instruments monitoring the torque being generated at the drive end, the feeder kept on driving. The adjuster and the tail idler, along with any bolted on steel work at the tail had been ripped out of position, the steel beams had bent upwards like they were made out of plastic. The feeder had eventually stopped causing further damage, when a number of the decrepit eyes on the pans had stretched past their point of break and snapped off.

Now, with nothing controlling the ore in the silo, around 4000 tons of ore fell down onto the SAG mill feed conveyor, flooding it, destroying the feed chute, collapsing the belt, burying the tail end and snapping the belt.

The photo above is to give a rough idea of the size of the steel work we were dealing with. By no means the same design, the beam below the tail end had bent upwards and the feeder stopped driving only when the chain snapped.

3) The same as with the rest of the plant, there was no formal maintenance inspection on the feeder, it was checked over by a fitter daily, but with no where to record his findings, no measurements taken, absolutely reliant on the fitter's experience and knowledge and if anything was found, it was already broken.

Moving on a few years, to my time as a consultant. I had the opportunity to audit the maintenance strategies and tactics for a mine a few years ago. Having no direct experience of doing this kind of work, it was hard going. It was very interesting however to note that the inspections being done on the feeders were very thorough, the inspection sheets explained exactly what the fitter was looking for. The mine had issues which actually had the feeder chains failing before any stretch could be a failure mode, but, even though the inspections and data were captured, there was no-one entering the findings into the computer system, meaning that the equipment were basically a time-bomb waiting to happen.

As is the norm, due to production issues, they were removing the master links from the chains. A practice I have seen numerous times. Masterlink failure being a major cause of production loss for apron feeders. They also faced a huge failure like the one I detailed above, due to the weak links being taken out of the circuit.

Another mine I have experience working on as a consultant, had a bodged repair effort on its Masterlinks which, after 4 years let go. Their apron feeder maintenance had been allowed to degenerate to the point where two of their four feeders needed a full rebuild, complete chain, pan, roller, tail idler and drive sprocket change out.

Masterlinks. I have seen 3 huge failures caused by the feeder continuing to drive because of no weak link in the 'chain'. However, I am of the belief that with the correct maintenance (not overlooked as usually is the case), with data captured and proper attention being given to the feeders, removal of the Masterlinks is a viable option, to increase MTBF of apron feeders.

machine guard & cover | machine guards and bearing covers

Machine Guard & Cover makes a variety of non-metallic machine guards and bearing covers. We make guards for chain, belt and gear drive power transmission systems. We make bearing and coupling guards, conveyor covers, drip trays and custom parts.

Located in Holland, Michigan, Machine Guard & Cover Co. manufactures industrial machine guarding required for operating safe working environments. The core of MGC fabrication capabilities involves custom CNC milling and small batch thermoforming. In anticipation of the required response to the COVID-19 pandemic, MGC has begun to develop new products to help prevent the spread

Dear valued customer / supplier, As you know with the emergence of the COVID-19 pandemic many people have been asked or required to limit personal contact and stay home. Machine Guard & Cover Co. is a critical source of components and solutions to the food service, transportation, manufacturing, and power generation industries and as such

kpi-jci and astec mobile screens ft2650 track mounted jaw crushers | recycling product news

The Vanguard series from KPI-JCI and Astec Mobile Screens represents the very latest in jaw crusher technology. Engineered to be the highest capacity jaw crusher on the market, you can expect your Vanguard jaw crusher to deliver up to 25% more tons per hour (TPH) than other comparable jaw crushers. Pair that with the Vanguard Series fierce durability and user-friendly design that keeps downtime to a minimum and you have a machine that will help you squeeze every cent of profit out of your operation.

In-line support design includes replaceable toggle seats to minimize operating costs and protect your investment. Innovative configuration optimizes the crushing action for maximum capacity through the full range of closed-side settings.

Outboard bearings are mounted in machined pillow blocks, which are bolted into machined cast steel saddles. Unique mounting procedure ensures correct alignment of the eccentric shaft and bearing assemblies for longer service life.

Replaceable jaw die seat tips protect the jaw base and pitman from wear. Increases uptime and decreases overhead by guarding against costly repairs associated with the pitman, seat and base assemblies.

The heavy-duty, single-side base construction is welded, stress relieved and machined for true alignment and a long-service life. Three-piece, side-base wear liner design allows for individual replacement of wear liners.

shredders and grinders - anco

Our shredders and grinders are cost efficient, durable, and capable of processing whole animals with no cutting required. Our grinders and shredders are available in a variety of models and sizes that can be customized to your companys specifications.

The ANCO 1045 Crusher is one of the largest pre-breakers in the industry, handling size capabilities of up to 80,000 lbs. per hour without precutting whole animals. The 1045 Crusher has the longest life expectancy of any Crusher in the rendering industry, while remaining cost efficient. Using the latest metallurgical technology, the cast alloy steel parts are stronger than any other on the market. Each hammer is individually machined, producing a scissoring effect when combined with the anvil. The sharp hammers can slice through large bones or soft material, while providing a uniform particle size. The 120 RPM shaft speed assures low impact stress to the unit. The Crusher comes equipped with:

The ANCO Duracut Crusher is designed specifically for bone or whole carcass crushing. The Duracut unit has a one-pass design that emits a particle size suitable for feeding any conveying or pumping system. These particles are small enough for any batch or continuous rendering system. The Duracut Crusher can process up to 50 tons of raw material per hour and the inline design makes for easy installation, maintenance, and operation. The Duracut unit can be customized with:

Whether the product involves seafood, poultry, meat, pet food, or any other processing application, ANCO grinders are available in a variety of sizes and models to meet your production needs. Each unit is custom built to your specifications and provides trouble-free production, hour after hour. The ANCO 1101 grinder series can also be fitted with a Positive Displacement Pump to grind and transfer your product in one application. Each 1101 DOA Grinder comes outfitted with:

The ANCODOA Crusher is an excellent product solution for size reduction applications. This unit can handle a variety of products and is designed to process difficult raw material that needs to be pumped. The ANCO DOA Crusher has the capability to grind whole pieces of 18x18 down to 2x2. Each unit features double wall construction, automatic jam proofing, and full shaft diameters through the entire width of the machine and the outside of the supporting bearings. The ANCO DOA Crusher features:

ANCO provides customers with large capability, high production grinders designed to grind fresh and frozen products. Our grinders have a wide range of plate sizes that can be outfitted for a coarse or fine grind. The ANCO design allows for the addition of pumping systems and/or conveyors that can be easily incorporated into any new or existing unit.

ANCO grinders can be supplemented with a range of additional equipment, including double cut systems, triple plate assemblies, bone elimination systems, and transition funnels to suit any application. All ANCO grinders are manufactured in the USA and built for durability, maximum productivity, and easy maintenance with replaceable wear parts that are supported world-wide. Some additional ANCO grinder options include:

The ANCO 878 Edible Grinder and Mincer is manufactured with sanitary components to comply with U.S.D.A. and AG Canada standards. Specially designed to grind frozen meat, bones, sausage, and fat trimmings for edible applications, the 878 Edible Grinder and Mincer is engineered and designed for performance, reliability, efficiency, safety, and low maintenance. The low HP design and variety of size allows the 878 Edible Grinder and Mincer to process all meat and poultry in a gentle, clean manner. The ANCO unit can be customized with: