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by Mike Sondalini Leave a Comment

Pumping Abrasives With Progressive Cavity, Helical Rotor, Eccentric Screw Pumps

Pumping Abrasives With Progressive Cavity, Helical Rotor, Eccentric Screw Pumps

Often used to pump slurries, helical rotor pumps (also known as progressivity cavity pump, eccentric screw pump, mono pump) use a spiral rotor to move a chamber full of product through the pump. When moving slurries it is critical that the rotor wipes the rubber or elastomer stator firmly, else fine particles get between the rotor and stator and rip material out. This article discusses a major operating problem when the wrong size rotor was used in a stator.

[Read more…]

Filed Under: Articles, on Maintenance Reliability, Plant Maintenance

by Mike Sondalini Leave a Comment

Doing Equipment Criticality is as Simple as ABC

Doing Equipment Criticality is as Simple as ABC

This activity-based costing (ABC) method calculates the actual cost of a failure incident and uses the total dollar value to the business as the means to rate equipment criticality. The criticality of an item of plant is determined by the cost consequences and losses of equipment failure across the whole company. Using this method puts a real dollar value on a production equipment loss incident. This financially robust and reliable method provides an accurate way to prioritise production equipment and to justify the necessary risk management and maintenance measures to protect against failure. It recognises that a production failure event has cost repercussions throughout an organisation affecting many people and departments, with all of them incurring costs. These costs are lost business profit that could have been earned and banked, but for the incident. The financial model reflects the actual production and maintenance practices in the operation and their cost implications to the whole organisation if they are inadequate. It delivers clear indication of the responsibility’s managers, supervisors, operators, and maintainers have of properly running, maintaining, and caring for plant and equipment to prevent production-losses to the business.

[Read more…]

Filed Under: Articles, Life Cycle Asset Management, on Maintenance Reliability

by Mike Sondalini Leave a Comment

Lean Improvement Success at a Concrete Reinforcing Bar Manufacturer

Lean Improvement Success at a Concrete Reinforcing Bar Manufacturer

Reinforcing bar is forged steel used in concrete to give the otherwise weak concrete structural tension strength. Reinforcing bar manufacturing is done in a factory using computerised machines to straighten, cut and bend the steel. It is a highly automated process once the bar is loaded onto the manufacturing machinery. These machines are computer controlled and form the bar to the shape and dimensions instructed. The bar specification and dimensions are identified from the engineering drawings by the Scheduler who enters the details into a scheduling software program. The program converts the reo-bar size requirements into computer controlled manufacturing instructions for the machines and a delivery schedule for the production shop.

Our assignment was to identify opportunities to improve the business and streamline the operation from production through to delivery.

[Read more…]

Filed Under: Articles, Maintenance Management, on Maintenance Reliability

by Mike Sondalini Leave a Comment

Introducing Industrial and Manufacturing Wellness

Introducing Industrial and Manufacturing Wellness

Plant Wellness Way EAM methodology uses systems engineering and life-cycle risk elimination to re-engineer your company and operational processes to get utmost asset reliability and maximum success and profits from your operating plant and equipment

You get optimal life-cycle asset management, production, and business processes delivering outstanding plant, equipment, and process reliability

[Read more…]

Filed Under: Articles, Life Cycle Asset Management, on Maintenance Reliability

by Mike Sondalini Leave a Comment

Example Accuracy Controlled Enterprise (ACE) 3T Job Procedure

Example Accuracy Controlled Enterprise (ACE) 3T Job Procedure

Example ACE 3T (Target-Tolerance-Test) Procedure with Reliability Standards: Machine performance is totally dependent on human beings. To address the problem of human error causing equipment failure, an Accuracy Controlled Enterprise sets best practice quality standards and uses 3T Target-Tolerance-Test work task quality control that assures high quality workmanship for high reliability results. Their work procedures are standardised so everyone follows the same methods to produce the same results, their training teaches people how to do craftsmanship work that creates outstandingly reliable plant and machinery. They create the reliability they want and as a result achieve operational excellence.

[Read more…]

Filed Under: Articles, Maintenance Management, on Maintenance Reliability

by Mike Sondalini Leave a Comment

Road Tanker Design for Fast Unloading and Onshore Pump Drain Tank

Road Tanker Design for Fast Unloading and Onshore Pump Drain Tank

Road Tanker Compartment Design

Road Tanker Design For Fast Unloading And Onshore Pump Drain Tank. To completely empty a road tanker the compartments need to be designed to have a sump that permits total drain-out of the liquid from the lowest point. If a pump is mounted on the trailer, it is best mounted under the trailer. Where a pump is mounted on the tray or fenders it will cavitate at low tanker liquid levels. For an onshore unloading pump installation it is best to install a buffer tank between the tanker and onshore pump to let the road tanker completely drain-out before the pump starts cavitating. Tanker load-out pumps must have a very low net positive suction head requirement.

[Read more…]

Filed Under: Articles, on Maintenance Reliability, Plant Maintenance

by Mike Sondalini 1 Comment

Calculating the Failure Rate of Parts

Calculating the Failure Rate of Parts

This simple example explains how to calculate the failure rate of parts, known as the Hazard Rate, using a drinking glass. Historic records, like maintenance, operating, supply chain, and financial information, are accessed to understand the situation being analyzed and gather modelling data. Once all necessary information is collected and the situation is investigated, then proposals to address and solve the problems causing and permitting the failure to happen are selected and a business case is developed.

[Read more…]

Filed Under: Articles, Life Cycle Asset Management, on Maintenance Reliability

by Mike Sondalini Leave a Comment

How Profit Contribution Mapping Turns Wasted Money into Outstanding Operational Productivity and Profits

How Profit Contribution Mapping Turns Wasted Money into Outstanding Operational Productivity and Profits

Value Stream Mapping is a business process improvement tool. It derives from the Toyota Production System where it was used to identify the seven wastes in a production process. It is now used across all business processes because the principle of finding and removing waste applies throughout every business.

[Read more…]

Filed Under: Articles, Maintenance Management, on Maintenance Reliability

by Mike Sondalini Leave a Comment

Technological Inheritance Effect on Failure Rate, Defect Elimination and Reliability Effects

Technological Inheritance Effect on Failure Rate, Defect Elimination and Reliability Effects

Technological inheritance, defect inheritance, and quality inheritance transfer to the future. To create a better future for your organization you first must create a better past so it can later inherit the preordained successes you designed and imbedded into your company.

[Read more…]

Filed Under: Articles, Life Cycle Asset Management, on Maintenance Reliability

by Mike Sondalini Leave a Comment

Cheap Way To High Pumping Circuit Availability

Cheap Way To High Pumping Circuit Availability

Using Reliability Principles for a Cheap Way To High Pumping Circuit Availability. High plant availability is achieved by having redundant equipment that can be brought on-line as soon as the operating unit has failed. Redundancy is expensive as there are two items to buy, two to install and two to maintain at full operating capacity. There is an alternate option for maintaining high pumping circuit availability by designing quick methods to bring mobile equipment into the circuit when pumps are down. This article explains how to set-up piping for a mobile pump to maintain operation when the normal duty pump is out of use.

[Read more…]

Filed Under: Articles, on Maintenance Reliability, Plant Maintenance

by Mike Sondalini Leave a Comment

Getting High Equipment Reliability

Getting High Equipment Reliability

These are the slides from Mike’s conference presentation at the SIRFRt CM & Lube Forum 2008 Conference.

[Read more…]

Filed Under: Articles, Maintenance Management, on Maintenance Reliability

by Mike Sondalini Leave a Comment

Old Preventive Maintenance (PM) Out, New Preventive Maintenance (PvM) In

Old Preventive Maintenance (PM) Out, New Preventive Maintenance (PvM) In

PREVENTIVE MAINTENANCE STRATEGY IN A PLANT WELLNESS WAY EAM SYSTEM-OF-RELIABILITY

IN A PWW EAM SYSTEM-OF-RELIABILITY, PREVENTIVE MAINTENANCE STRATEGY IS TO REPLACE PARTS WHEN EXCESSIVE STRESS BUILD-UPS IN THEIR MICRO-STRUCTURE

[Read more…]

Filed Under: Articles, Life Cycle Asset Management, on Maintenance Reliability

by Mike Sondalini Leave a Comment

Day 2 Maintenance Planning Slides with Complete Explanations

Day 2 Maintenance Planning Slides with Complete Explanations

Welcome to Day 2 of the Maintenance Planning and Scheduling for World Class Reliability and Maintenance Performance 3-Day Training Course. I hope that you enjoyed Day 1 and found the maintenance and reliability concepts it contained useful.

[Read more…]

Filed Under: Articles, Maintenance Management, on Maintenance Reliability

by Mike Sondalini Leave a Comment

Use An Isocorrosion Diagram To Recognize High Corrosion Situations

Use An Isocorrosion Diagram To Recognize High Corrosion Situations

Use an Isocorrosion Diagrams To Recognise High Corrosion Situations And Design Process Equipment Accordingly. A true story of how a high nickel alloy (Alloy 28) reactor was holed in 8 weeks by sulphuric (sulfuric) acid running down the inside wall. When the situation was reviewed in detail using an iso-corrosion diagram for the alloy in sulphuric acid it was obvious that such a problem would occur. The iso-corrosion curves clearly showed the huge corrosion rates that would happen at local contact points within the reactor. A clear and detailed understanding of how to use iso-corrosion curves would have highlighted the problem at the design stage.

[Read more…]

Filed Under: Articles, on Maintenance Reliability, Plant Maintenance

by Mike Sondalini Leave a Comment

Annex SL Structure for ISO 55001 Asset Management Documentation in a EAM System Manual

Annex SL Structure for ISO 55001 Asset Management Documentation in a EAM System Manual

WHEN YOU BUILD AN ASSET MANAGEMENT SYSTEM FOR ISO 55001 CERTIFICATION THE ISO 55001 EAM SYSTEM MANUAL NEEDS TO COMPLY WITH THE ANNEX SL DOCUMENT STRUCTURE.

Here’s a practical way to create an ISO 55001 EAM system manual that covers all bases for both ISO 55001 certification and Annex SL requirements. Annex SL stipulates ten sections that every management system built to an ISO management system standard must contain. But matching legacy enterprise asset management 9EAM) system documents to Annex SL sections can be tricky.

[Read more…]

Filed Under: Articles, Maintenance Management, on Maintenance Reliability

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