Oct 28, 2015 Typical Reason to Replace a Ball Mill Trunnion unexpectedly. What is the typical reason a ball mill trunnion needs to be replaced unexpectedly? http//www.detourgold.com/investors-centre/News-Releases/news-Release-Details/2015/Detour-Gold-Reports-Third-Quarter-2015-Results/default.aspx. It is unclear if the trunnion damage was known ahead of time and planned for a
Dec 30, 2017 The ball mill was shut down on June 28 for removal of the trunnion, liner and two part urethane. The presence of the urethane extended the job from the original six hours to 4 days. Preliminary discussions between engineers indicated that there were possibly as many as six (6) eroded areas that would be susceptible to cracking based on their visual comparison of eroded areas during
Jul 28, 2015 Swivel type lead-bronze bushed trunnion bearings are generally furnished on large diameter ball Mills. The bearing swivels are of Meehanite metal spherically turned outside and bored and faced inside to receive the removable bushing. The bushing is bored and scraped to fit the mill trunnion.
The trunnion is the main ponent in the ball mill equipment which is both the inlet channel and the end cover of the ball mill and carries the rotation of the cylinder Continuous operation under alternating stress the wear is relatively large especially the trunnion at the inlet and outlet ends is
Jul 28, 2015 BALL MILL HEADS AND TRUNNIONS. Ball mill feed and discharge heads are detachable, cast of Meehanite metal of ample thickness, either of GA or GC, depending on the size of mill and with consideration to bending stresses. These heads are generally ribbed for extra strength and stiffness. Such ribs terminate near the center of the head in a trunnion seat.
holes in the trunnion that are used to 3. obtain replacement trunnions. secure the liner plates (see Figure 2). The first option is obviously the The operator had several options for most costly both in terms of capital dealing with the cracks expenditure and lost revenue due to 1. replace the mills with a new mills down-time.
Feb 13, 2017 Ball Mill Trunnion and Mill Grate Discharge The overflow type is more commonly used as it is lower in first cost. These mills have large trunnion openings which allow high circulating loads to be carried if desired.
How To Install Mill Trunnion Bearings At Ball Mill Typical Reason to Replace a Ball Mill mill trunnion bearing in india Dirtgrit contaminates bearing causes deep scoring of journal surface and poor lube pressure retention lift Wearing through trunnion liner can cause localized erosionweakness Lube or operational failure may have caused overheating andor galling damage of journal surface.
Jan 31, 2013 Maintenance and spare part delivery - Cement and Mining ... - CMPAG. Cracks with a length of 2 m and more are not unusual. ... the welding joins, and improvements if necessary, before recommissioning a trunnion head wall of a ball mill. Preparations for welding repairs on the trunnion head wall of a cement mill.
Ball Mill Trunnion. Ball mill trunnion ball mill hallow shaft is an important part to load the mill rotary body the neck that connected to bearing liner and the circular that connected to mill shell shouldnt cast with defects such as pore and sand hole the neck that connected to bearing liner should have polishing machining and make sure its precision and smoothness so it has strict ...
Ball mill trunnion replacement - FL. Ball mill trunnion replacement ... ball mills and customers worldwide bene t from this extensive experience that ensures a smooth trunnion replacement. Read more
Ball mill trunnion. The ball mill trunnion is a key part to support and connect the cylinder, and is also the inlet and outlet channel of the material. CHAENG adopts high-strength steel and unique heat treatment technology, which makes ball mill trunnion have high hardness and strong impact resistance.
The two Ball Mills have been refurbished and will be available for commissioning following upcoming replacement of upgraded trunnion seals. Get Price. Trelleborg Rubber Mill Liners. x 20 Ball Mill, at the Nipissing. ... Mar 10, 2008 ... Damage to the ball mills trunnion journal thrust face required remedial ... the machine to the remaining ...
Ball Mill Trunnion Seal Replacement, Supervisory service, or a full crew to complete the seal replacement can be arranged. Ball Mill Annual Inspection, to ensure the mill and all the auxiliaries are all still in good condition. This provides an outside perspective on the current install base and allows a firm communication on recommendations ...
Mar 01, 2016 Additionally, it is necessary to have a spare trunnion available and the period of repair or replacement of the trunnion is about ten days. The cracks to be analyzed in this study appeared in a trunnion of a ball mill in the region of axial and radial contact with the bearing bushing of the mill.
how much a trunnion of ball mill touch to journal. how much a trunnion of ball mill touch to journal. Ball mill head structure may the ball mill head is the collective name for the end cover of the cylinder and the trunnion it sustains the rotation load of the entire mill body and grinding media and continuously operates under the action of alternating stress it is also the weakest link of the ...
The best a ball mill can get FLSmidth has installed almost 4000 ball mills at locations worldwide which has given us a unique insight into the stresses and strains arising out of ball mill operations. The large alternating stresses placed on ball mill trunnions and heads are a great example. However a trunnion is designed to last for ever,
the ball mill discharge point to replace a trommel screen. It consists of a barrel or blind trommel that is mechanically attached to the trunnion or discharge of a ball mill. The barrel rotates around a fixed assembly of ferrite and rare earth
How to repair a crack of trunnion of ball mill,Our company is a large-scale heavy enterprise that taking heavy mining machinery manufactory as main products and integrated with scientific research, production, and marketing. We are concentrating on producing and selling machines such as jaw crusher, cone crusher, hammer crusher, ball mill, sand maker, mobile crushing plant
If a ball mill uses water during grinding, it is a wet mill. A typical ball mill will have a drum length that is 1 or 1.5 times the drum diameter. Ball mills with a drum length to diameter ratio greater than 1.5 are referred to as tube mills. Ball mills may be primary or secondary grinders.
of their ball mill heads. The breakage originated from the trunnion to head connection and worsened with time. Metso Outotec conducted an inspection of the mill and recommended replacing the mill head rather than continue to suffer downtime and lost production.
Jan 2016 - Dec 20194 years. Bhtpra Area, India. Operation and Maintenance of Rawmill Pfeiffer MVR6000R6- 720tph. Mechanical Maintenance Major jobs done in career. 1) Cement mill (make-pfeiffer MVR 6000C6) Classifier rotor, classifier stator, Grit cone and grit cone support replacement total 140ton erection and dismantling.
Dec 14, 2017 Masbate Gold Project reduces downtime through mill head replacement. The Masbate Gold Project is located on Masbate Island in the Republic of the Philippines, 360 km southeast of Manila, the countrys capital. Acquired by B2Gold in 2013, the mines gold deposits are found on a nearby volcanic belt measuring 7 km wide.
ball mill trunnion partscasting ball mill trunnion the ball mill trunnion is a key part to support and connect the cylinder, and is also the inlet dec 30, 2017 the ball mill was shut down on june 28 for removal of the trunnion, liner and two mill trunnion replacement fruitful,the best a ball mill can get fruitful has installed
A trunnion seal assembly for joining a stationary inlet/outlet box of a ball tube mill to a rotational interior of the ball tube mill includes an outer ring component configured to be mounted to an outer wall of the stationary inlet/outlet box. An inner ring component is joined to the outer ring component substantially concentrically with the outer ring component.
On-site services for ball mills - FL. for ball mills. Press polishing of trunnion. Replacement of ball mill shell with trunnion. Engineering and planning of maintenance projects.
JND Ball and Rod Mills have been supplied to the ... to the replacement of shell liners, trunnion. Get Price. ... On-site services for ball mills - FLzenith. Replacement of ball mill shell with trunnion. Engineering and planning ... procedure. - Specify needed resources ... Change of diaphragms and liners.
Trunnion bearing housings for grinding mills Table 1 Seals for FSDR .. K trunnion bearing housings for grinding mills Seal Type labyrinth seal with 1 V-ring seal labyrinth seal with 2 V-ring seals Housing size range 39/850, 39/1060, 39/1180 and 48/1500 49/1320 Material labyrinth seal grey cast iron grey cast iron V-ring seals rubber (NBR ...
KHD CHAIR PAD REPLACEMENT FLENDER REDUCER REPAIRS FL SMIDTH MILL TRUNNION fl smidth ball mill extension fl smidth shell liner clinker cooler id fan. D L Weld inc. Photo Gallery Beumer elevator repair. DL WELD INC INDUSTRIAL SERVICES
Ball mill trunnion replacement. Trunnion 2 Tightfitting bolt 3 Mill head 4 Trunnion liner 5 Bearing liner The best a ball mill can get has installed almost 4000 ball mills at locations worldwide which has given us a unique insight into the stresses and strains arising out of ball mill operations The large alternating stresses placed on ball ...
Trunnion Liners . Multotec can supply a range of rubber shell plates and lifter bars to protect the SAG mill trunnion against wear. Trommel Sizing. The sizing of the SAG mill trommel needs to cater for both the classification of the solids and drainage of the slurry. The trommel sizing needs to balance trommel capacity and screen media wear life.
Horizontal ball mill Replacement of Trunnion Girth Gear Weld Repairs Troubleshooting Bearing Condition Identification and Replacement Girth Gear Replacement and Alignment
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