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BDIExpress Knowledge Base
Metals -- Steel / Aluminum / Foundry - Industry Articles
Automatic Lubrication System - 1315
Viewed 1286 time(s) since Sep 1, 2015 - Chemicals, Bearings
A Midwestern steel provider had 144 bearings on its sheet leveler that were constantly being over-greased, resulting in blown out seals.It was not effective for the company’s maintenance team to grease the bearings on the sheet leveler because ... Read More
Custom-Built Pneumatic Actuator System Eliminates Problem at Tubular Steel Products Plant - 354
Viewed 554 time(s) since Dec 4, 2014 - Pneumatic - Hydraulic
A BDI steel plant customer was purchasing 10-12 electromechanical actuators each month for its cassette lifter.  The hooks moved by the actuators were hitting the cassette, resulting in a shock load that would break the actuators. When this occurred,... Read More
BDI Creates an Application-Specific Pillow Block - 331
Viewed 810 time(s) since Dec 4, 2014 - Bearings
A Northeast Ohio steel mill was using standard cast-iron-housed pillow block bearings on its run-out table. The over spray from an external water bath installed to cool the bearing housing left water spots on the finished product.  The attachment des... Read More
Custom Fabrication - 272
Viewed 1851 time(s) since Nov 10, 2014 - Automation
A vending machine manufacturer was eager to adopt Lean principles in order to improve plant processes.One procedure under review was the stamping of a metal sheet approximately 4’ x 3’. The process required two people to lift, flip and ro... Read More
Saving Time and Costs by Having a Bearing Replaced by an Expert - 5310
Viewed 639 time(s) since Aug 15, 2018 - Bearings
At the Jamshedpur plant, the company has three converters. All of them had to be modernised. During the overhauling of converter 2 also its volume inside its brick lining should be increased to 153 m3, increasing its output from 140 to 170 tons of li... Read More
Mounting Service at a Wire Mill Reduces Downtime Costs - 5305
Viewed 568 time(s) since Aug 15, 2018 - Bearings
When the customer called Schaeffler, the company had an unplanned shutdown of its wire mill due to damaged bearings. These bearings had been mounted by the customer’s staff just two weeks before. By comparison, the original bearings being insta... Read More
Modernization of Four-high Heavy-plate Mill Back-up Rolls - 5304
Viewed 555 time(s) since Aug 15, 2018 - Bearings
At the beginning of 2012, SMS group GmbH received an order from the high performance alloy company VDM Metals GmbH, which produces plates and sheets in Siegen, Germany. The intention was to replace the old plate mill from 1954 with a modern version c... Read More
Modal Analysis Helps to Increase Speed of Stretch Reducing Mill - 5303
Viewed 549 time(s) since Aug 15, 2018 - Bearings
The customer had invested about 80 million euro in its production process with the objective to install a new pipe reduction gear on its main reduction stand. However, for unknown reasons he was unable to increase the machine speed beyond 80 percent ... Read More
FAG ProCheck Increased Availability of Stretch Reducing Mill - 5300
Viewed 487 time(s) since Aug 15, 2018 - Bearings
Thanks to a service contract with Schaeffler based on offline vibration analysis some chronic damage had been detected in the tandem motor bearings of the customer‘s hot strip mill. Schaeffler had determined that these damages were caused by cu... Read More
Condition Monitoring on a Hot Strip Mill - 5296
Viewed 429 time(s) since Aug 15, 2018 - Electrical, Mechanical Power Transmission
The weak spot of the rolling stands in any hot strip mill are the roller bearings on the work rollers. Under extreme operating conditions only relatively short stoppage times are possible. Unplanned stoppages and expensive consequential damage, such ... Read More
Condition Monitoring of Saw Gearboxes Increases Availability - 5295
Viewed 472 time(s) since Aug 15, 2018 - Electrical, Mechanical Power Transmission
The cutting saws of two different lines are driven by a gear motor system that at the same time drives a cutting disc. The saw drive supports the dynamic forces of the process. Due to the operating conditions it is exposed to an increased danger of w... Read More
Advanced Bearing Solutions-Steel & Non-Ferrous Metals - 5293
Viewed 434 time(s) since Aug 15, 2018 - Bearings
Tata Steel Port Talbot has two BOS steelmaking vessels (V1 & V2) in operation. The main trunnion bearings on a BOS (Basic Oxygen Steelmaking) plant at Tata Steel Port Talbot had to be replaced due to a sudden bearing failure on the nondrive side ... Read More
Customizing Universal Joints for Metal Processing - 2236
Viewed 483 time(s) since Dec 14, 2016 - Bearings
A high-speed leveling machine that operated with a drive shaft assembly contained a traditional "pin & block" style universal joint. The speed caused the component to overheat posing a fire hazard. See how Belden Universal’s engineering tea... Read More
Formsprag FSR Backstopping Clutch - 1803
Viewed 512 time(s) since Jun 6, 2016 - Clutch and Brake
When the clutch on an older stamping machine required replacement, the retrofit was a Formsprag sleeve-bearing FSR Clutch.See the attachment below for details. Read More
BDI is "Go-To" for Hard-to-Find Swivel Joints - 1238
Viewed 500 time(s) since Jul 16, 2015 - Sealing Devices
While performing an inspection at a steel industry customer location, BDI noticed swivel joints spilling water in the mill. On closer look, we discovered that water was bypassing the top and bottom swivel joints at both ends of the mill, where they a... Read More
Large Gearboxes Require Maintenance and Lubrication - 1153
Viewed 624 time(s) since Jun 8, 2015 - Mechanical Power Transmission
A gearbox uses mechanical advantage to increase output torque and reduce RPM. A motor's shaft is fed into the gearbox and through a series of internal gears, providing torque and speed conversion. Gearboxes are available in a variety of sizes an... Read More