Machine Stop Time Measurement - Did You Know?

Current OSHA regulations and ANSI standards requires that a machine's stop time be measured to determine how long it takes a machine to stop after a stop signal is given. (OSHA 1910.217, ANSI B11.19-2010 (6.2)

Eagan, MN (prHWY.com) February 25, 2013 - Most accidents occur as a result of a reflex action or simply not paying attention to one's surroundings. Often a machine operator will instinctively reach for something when there is a problem. Or they will be focused on a task and enter a hazardous area without thinking about it. Tripping towards a hazard is another common occurrence. In these situations, it is necessary that the machine's safety devices stop the machine before the hazard is reached.

Stop-time measurement readings taken on individual machines are used to determine the minimum safety distance required for placement of the machine's operating controls or safeguarding devices used during production. This is critical when using presence sensing devices like light curtains, pressure mats, laser scanners, etc.

Location of a safety component, whether hard guarding or electronic, is based upon the machine's stopping time. Simply stated, a safety component should be placed far enough away from the risk area that it is not possible to reach the hazard before the machine has stopped. Safety devices are then installed using the minimum safe distance. See OSHA Safety Distance Calculator.
Stop time measurement should be performed on an annual basis in order to insure that the machine stop time has not changed. Machine maintenance, brake wear, machine alterations and other factors can extend the machine's stopping time. If the machine stops slower than it once did, then the current safety components will need to be adjusted to continue providing the correct level of safety. For these and other reasons it is important to perform an annual stop time analysis.

Not sure how to get started? Lovegreen can provide stop-time measurement readings for various types of industrial machines, including mechanical and hydraulic power presses, press brakes and on machines that utilize rotational movement like conveyors, indexing tables, and production line drive shafts. Experienced Lovegreen personnel conduct the inspections using a stop-time measurement device to take the stop-time readings. Lovegreen uses the same stop time analysis Saftimeter as OSHA to assure consistent results.

Inspections include details on each machine as to its compliance to current safety regulations (OSHA) and current safety standards (ANSI). Stop-time measurement readings taken on individual machines are used to help determine the minimum safety distance required for placement of the machine's operating controls or safeguarding devices used during production operations, such as safety blocks and die blocks.

Please call us at 1.800.262.8284 or e-mail us for more information or to set up a visit to your facility.

You may also download a FREE Machine Safety Survey Tool to conduct your own machine safety survey. It's easy to use and will help you uncover the most common problems on your woodworking and metal working machines. If you find deficiencies, just fax the completed survey sheets to us at 1-651-890-8370 and we will offer you solutions to the problems at no cost to you. Or if you prefer, you may reach us by email or call us toll-free at 1-800-262-8284, Monday thru Friday, 7am to 5pm CST.
http://www.lovegreen.com/

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Tag Words: press brake guards, hframe press, hydraulic press guarding, punch press guarding

Categories: Business

Press Release Contact
Lovegreen Risk Management
2280 Sibley Court
Eagan, MN 55122
800-262-8284
fschmidt@lovegreen.com

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