Forensic Engineers and Consultants

Tag Archive: machinery and equipment

  1. Machine Guarding Resources

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    So, you find yourself with a machine hazard that you need to guard.  Where do your turn for guidance regarding guards?  Several resources are available for the person who is tasked with providing machine guarding.

    The United States government provides resources in the Code of Federal Regulations (CFR).  These can be found at www.ecfr.gov.  Title 29 of the CFR, section 1910 covers “General Industry” regulations.  1910 Subpart O, covers Machinery and Machine Guarding.  Definitions are covered in 1910.211 and it is wise to understand how terms are defined. For instance, in 1910.211(a)(1), Point of operations is defined by the regulation as “that point at which cutting, shaping, boring, or forming is accomplished on the stock.” (more…)

  2. Safety Hazards in Waterjet Cutting

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    Waterjet cutting machines (often simply called ‘waterjets’ in the industry) are essentially platforms that use ultra-high pressure water to manufacture cut parts with accuracy as high as .001 inch. They can cut materials ranging from glass and stone to steel and even plastics. Such machines can cost under $1.00 per minute to run, even including labor. Waterjets are some of the most versatile cutting tools available today. They produce virtually no heat-affected zone. They also use CNC (computer numerically controlled) programs, which allow continuously variable speeds for different edge conditions and cut quality. The waterjet dissipates heat, and the jet stream minimizes harmful chemical vaporization from cut materials. Small and mid-sized companies throughout the U.S. depend on these powerful tools to manage all sorts of custom two-dimensional cuts.

    But waterjets present unique hazards to the manufacturing environment. The following challenges require special attention: (more…)

  3. Machinery Directive VS Machinery Regulation – A Notable Change

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    In 2023, the new European Machinery Regulation was published which replaces the 2006 Machinery Directive.  The 2023 Machinery Regulation is slated to be entered into force and application on January 20, 2027.  A number of changes and/or clarifications are included in this new Machinery Regulation, not the least of which is the definition for “substantial modification.” (more…)

  4. WARREN Welcomes Mechanical Engineer Brian Tenace, M.S.M.E., P.E.

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    Brian’s Areas of Expertise Include:

    (more…)

  5. Safety Distance in Machine Safeguarding

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    Hazard can be defined as a potential source of harm.  Machine safeguarding seeks to protect people from these potential sources of harm.  Often distance from a hazard will play a key role in providing a means of protection.

    One would often think of distance as it relates to the location of a barrier guard from a hazard.  ANSI B11.19, Performance Criteria for Safeguarding, defines safety distance as “the distance a safeguard is installed from a hazard such that individuals are not exposed to a hazard.”  An example from ANSI B11.19 of the recommended distance of a slotted opening in a barrier guard from a hazard is shown (more…)

  6. FORKLIFT Etiquette: DON’T BE A LOUSY TIPPER!

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    That is always good advice to follow if you are a forklift driver!  Operating a forklift can be a dangerous occupation.  There are approximately 1 million forklifts (powered industrial trucks) in the US workplace today, and it is estimated that just over 10% of those are involved in some type of accident every year.  Forklift accidents result in dozens of deaths and thousands of non-fatal injuries annually.  About one out of every four of those accidents involves a tipping or overturning forklift, making this the most common type of industrial truck accident.  (more…)

  7. The Importance of Crane Wire Rope Lubrication

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    Wire ropes are critical components of cranes and play a crucial role in ensuring the safety and efficiency of crane operations. To extend the life of these ropes and maintain their strength and performance, it is essential to regularly lubricate them. (more…)

  8. The FORKLIFT 500 – A Need for Speed

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    From a young age, many children are typically drawn to things that are fast.  Fast toys, fast race cars, sports that require speed.  Is it possible that “feeding” this desire tends to make many of us resist, whether consciously or subconsciously, the request or demand to “Slow down!” once we’ve grown up, even when we know that it is the right and wise thing to do?  Now couple this with the natural tendency of most businesses to push for more productivity by doing things faster and more efficiently.  This can be dangerous when we take this combination into a workplace where forklifts are a necessary and integral part of the day-to-day operations.

    Race cars are designed to go fast, and they rely on a properly trained and experienced driver to complete a race successfully and safely.  Forklifts are designed to lift and transport heavy loads, and they also rely on a properly trained and experienced driver to (more…)

  9. Danger Within Reach

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    How far away from a hazard should you stay?  Your parents or grandparents would probably have told you to stay far away, but what are you to do when a hazard is present, and you must work around or near the hazard?  And what exactly is a hazard?  ISO 12100 Safety of machinery – General principles for design – Risk assessment and risk reduction defines a hazard as a “potential source of harm.”

    Where would a designer of a machine or product start if they wished to protect the user from a known hazard?  Consensus standards are a great place to begin the quest for safety. (more…)

  10. HEY…Cover Up Please!

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    Machine guards can be compared to the clothes we wear every day.  Indeed, they serve a very important purpose.  Imagine someone leaving their home on a fine, sunny morning wearing nothing but a smile.  Wonder how far they will get through the day before things start going poorly for this individual?

     

     

     

     

     

    There will be more than a few raised eyebrows and blushes when he stops into the local Starbucks for his usual morning double-dipped and whipped, chocolaty chip with a touch of pumpkin spice cappuccino fix.  Good luck with that!  Probably going to leave disappointed, empty-handed, and likely wearing handcuffs.  This will be the beginning of a very long, very bad day for that individual.  Had he recognized the risks associated with this type of behavior, and then put forth a little effort to cover up, he would have prevented many unfavorable and possibly life-changing personal and legal problems from ever occurring!

    And so it is with properly guarding a machine.  Machine safeguarding helps to protect workers from preventable injuries. (more…)

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