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A blog discussing sensors and instrumentation. New products, new technologies, and interesting applications. Types of sensors and instruments discussed include: Analyzers, Color Sensors, Displacement Sensors, Flow Sensors, Industrial Weighing, Instrumentation (Data Acquisition), Load Cells & Instrument Hardware. Machine Controls, Pressure Gauges, Pressure Sensors, Sanitary Sensors, Strain Gages, and Temperature Sensors. Courtesy of AP Corp.
The Occupational Safety and Health Administration (OSHA) is an agency of the United States Department of Labor, and it is responsible for ensuring that employers provide safe and healthful working conditions for employees in the U.S. One of the ways OSHA accomplishes its mission is by setting and enforcing standards.
OSHA standard 29 CFR 1910.95 relates explicitly to occupational noise exposure. This standard protects workers from excessive noise levels that can lead to hearing loss or other health problems.
Sound level indicators (often called sound level meters or SLMs) and dosimeters are two primary instruments used to measure occupational noise levels. Both devices help employers assess noise exposure and ensure compliance with OSHA's 1910.95 standard on occupational noise exposure.
Compliance with OSHA 1910.95:
In summary, while sound level meters provide immediate spot readings of noise levels, dosimeters assess an individual's cumulative exposure over time. Both tools are essential for comprehensively evaluating workplace noise and ensuring compliance with occupational noise standards.
Reconditioning of plastic injection mold and extrusion machines is a process that involves restoring or upgrading the machine to improve its performance, efficiency, and lifespan. This process can include replacing worn-out or outdated components, updating control systems, and enhancing the overall functionality of the machine. Key elements to consider for reconditioning are control systems, HMI (Human-Machine Interface), pressure sensors, temperature sensors, and feed screws. Here's a list of items to consider when reconditioning these machines:
With these core steps, you can successfully recondition a plastic injection mold or extrusion machine, ensuring it operates efficiently and reliably for years.
When external loads are applied, stress analysis assesses the internal forces and stresses acting on a material or structure. Strain gages, widely used in this process, measure the deformation (or strain) that occurs when a material experiences stress. The following provides a detailed explanation of how to accomplish stress analysis using strain gages:
In summary, stress analysis using strain gages requires selecting, installing, calibrating, applying external loads, collecting data, and analyzing the stress-strain data to understand the material's response to the applied loads.