The most comprehensive technical resource and education guide available for the Conveyor and Intralogistics Industries. The only in-depth guide for design details and application guidance for Unit Handling Conveyors in the world. It contains information on all Unit Handling Conveyors, Pallets, Cartons, Totes, Monorail, etc.

The purpose of this brochure is to identify Danger, Warning, and Caution Safety Labels which identify known potential hazards. It also includes Safety Label Placement Guidelines for conveyor equipment.

Cema Belt Conveyors For Bulk Materials 7th Edition Pdf Free Download

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This standard presents materials classifications with physical characteristics of each, hazards that affect conveyability, along with suggested test procedures to aid the establishment of criteria for selection of conveying machinery and ancillary equipment.

In the 2020 edition, the revision consists of; adding metric conversions, the bulk density in Table 7 in Chapter III was updated and a table about how to read the CEMA Material Code was added. Additionally, Cosmetic changes and updates to the bibliographic references, and a disclaimer in the foreword regarding material properties.

This publication assures the users of conveyor impact beds/cradles that an impact bed/cradle is dimensionally compatible with conveyor idlers manufactured to the CEMA Standard No. 502. With Metric Conversion.

This publication has been established to provide a uniform method for determining the application class of any individual belt conveyor. Please see CEMA store for detail on Technical changes in the PDF. With Metric Conversion.

This hands-on reference provides up-to-date guidance on the selection, design, utilization, and maintenance of various types of chains. It authoritatively covers the use of chains in various application environments, terminology, safety procedures, and the history of chains. Download the handbook ERRATA.

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The Conveyor Equipment Manufactures Association (CEMA) in cooperation with ABNT has translated and published the 7th edition of the "Belt Book" in Brazilian Portuguese. This is a major investment by CEMA and great resource for Brazilian engineers designing and working on belt conveyors. The book can be purchased directly from ABNT at the following link: CEMA Belt Book from ABNT

INTRODUCTION

The preceding chapters of this book have provided engineering information that can form the basis for the proper application and design of high-quality belt conveyors and conveyor systems. To acquire optimum performance, dependability, and cost economy, equal importance and consideration must be given to the installation, safe operation, and proper maintenance of the system and all related equipment.

Each conveyor system is installed in a different location and facility and will have unique performance requirements, design features, and operating environment. All of these special considerations must be studied and evaluated when developing the best operating procedures and the safest workplace.

Because of the number and range of these variables, this chapter can provide only a brief overview of some of the most important and generally applied practices. Conveyor manufacturers are often able to offer assistance in establishing the best operating maintenance and safety programs.

Operation, maintenance, and safety are closely linked functions. Too often management of these functions is in conflict because the budgets for operation, maintenance and safety are controlled by different departments. For the safe and efficient operation of conveyor systems, it is critical that these primary functions are communicating and working together as a team.

Well designed conveyors are very robust and reliable machines. These inherent features of belt conveyors can lead to complacency where standard procedures are ignored and attitudes about the dangers of conveyors become lackadaisical. Conveyors can be abused by overloading, improper operation, or lack of maintenance and still perform. Spillage and dust hazards become accepted. The conveyor belt and the rotating components create numerous nip points and potential for stored energy hazards that may not be obvious to new personnel or may be ignored by experienced personnel due to familiarity.

OPERATION

Characteristically, the operation of truck and rail haulage systems for bulk materials requires a relatively large number of trained personnel. Operators are needed for scheduling and master control of the system, as well as to dispatch individual units and drive large vehicles. Employees are also required for such additional operations as loading, discharge, and weighing of the material.

Many belt conveyors, when appropriately designed, installed, and operated, will perform continuously and dependably with as few as one or two operators. One basic requisite is that the material being handled by the conveyor has the originally specified physical properties and is fed uniformly at the design rate.

Performance of a system can be continuously monitored by a combination of modern electrical controls, built-in safety sensors and devices, closed circuit TV, and other signal systems. A central control panel can be equipped so that an operator can monitor performance even at remote areas.

Depending on the length and complexity of a system, one or perhaps two trained mechanics should patrol the system at regular intervals to detect any conditions or components that need attention. On a 5.5 mile (9 km) overland system, two mechanics, and a supervisor can usually perform such inspections.

At the time of installation and during trial runs of a large and complex conveyor system, it is advantageous to offer a program of instruction and discussion for all personnel who will be involved in operation, safety, and maintenance of the system. At this time an operating procedure should be developed; the procedure should detail the sequence of operation of the system. Such programs should be repeated and the procedures reviewed at sufficiently frequent intervals so that trained personnel can update their knowledge and new employees can be trained.

MAINTENANCE

It is important that belt conveyor maintenance be performed only by well trained and competent personnel who are provided with proper test equipment and tools. They should receive training in the value and conduct of a comprehensive preventive and predictive maintenance program done safely.

There are three types of maintenance: Breakdown Maintenance where the equipment is run to failure and then repaired, usually, on an emergency basis; Preventive Maintenance where the equipment is serviced regularly and rebuilds are performed on a planned schedule before the equipment is run to failure; and Predictive Maintenance where planned inspections are performed to determine the health of a machine and repairs accomplished only when the inspections indicate that the equipment is beginning to go into the failure mode.

Preventive maintenance includes lubrication programs and planned rebuild programs, where predictive maintenance includes vibration analysis trending on bearings, motors, reducers, and oil analysis in engines, reducers etc. A combination of preventative and predictive maintenance programs will help ensure maximum availability and component life. A well-maintained conveyor system should be able to consistently operate with 90% mechanical availability.

The conveyor belt often represents a high proportion of the total conveyor cost. Since the composition and construction of the belting makes it vulnerable to accidental damage and/or accelerated wear, belt operation and maintenance deserve special attention in a good training program to minimize replacement and repair cost. Refer to Chapter 7 for information on conveyor belting.

Prior to joining Martin, Swinderman served as a Maintenance and Project Engineer focusing on plant maintenance, environmental controls, and production improvements for a Fortune 500 building materials company, Manville. Prior to joining Manville, he served as a Business Manager for Midwest Pipe Covering, Inc. where he was responsible for sales, design, and the manufacturing of low-temperature insulation systems for piping and vessels.

Todd Swinderman has been instrumental in developing technologies to solve problems in bulk materials handling, and in positioning Martin Engineering as a leading global resource to help operate cleaner, safer, and more productive bulk materials handling systems. As an engineer and inventor, Swinderman has conceived and commercialized products that have been accepted in applications across industries and around the world. Swinderman led Martin Engineering through dynamic growth, and oversaw its entry into the international marketplace, with representatives and licensees around the world and overseas.

In addition to providing training, Todd consults on reducing the release of fugitive materials from bulk material handling conveyor belts as well as conveyor guarding and other safety concerns in the conveyor industry. Swinderman is available as an expert witness on these topics.

Past Officer of the Illini Chapter of The Young Presidents Organization, Board Member and President of the Conveyor Equipment Manufacturers, and Founder of the International Flow Aids Association. Secretary, Kewanee Chamber of Commerce Education Committee; Kewanee Schools Metal Fabrication Apprenticeship Program founding member; Vice President Kewanee School District 229 Foundation; State of Illinois Tech-Prep curriculum committee; Black Hawk College Foundation co-chair. Past Board Experience: Martin Engineering, Pap-R Products Co. and Thermo Products Inc. Current Board & Officer Experience: Hammock Thrift Shop and The Hammock Community Association. 152ee80cbc

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