EN957-英文版.pptVIP

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2018-05-15 发布于四川
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EN957-英文版.ppt

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Relevant EN957 standards: EN957-1 General Safety Requirement and Test Methods EN957-2 Strength training equipment EN957-4 Strength training benches EN957-5 Pedal crank training equipment EN957-6 Treadmills EN957-7 Rowing Machines EN957-8 Steppers, Stairclimbers and Climbers EN957-9 Elliptical Trainers EN 957 PART 4 Strength training benches Dimension of the barbell support The dimension of the barbell support shall fulfill the requirements as shown in the the right figure. EN 957 PART 4 Strength training benches Rotational stability －solid steel bar (1600mm long, with a diameter of 30mm) －Class H：10kg －Class S：20kg Longitudinal stability －10o slope －with the mfr’s maximum load, but with a minimum of 50kg EN 957 PART 4 Strength training benches Extrinsic loading -Class H F(N)=(Gk+1.5G)?2.5?9.81-Class S F(N)=(Gk+1.5G)?2?9.81 G：maximum load in kilograms indicated by the mfr Gk：100kg 1.5：dynamic coefficient 2.5：safety coefficient (Class H) 2：safety coefficient (Class S) - On a surface area of 300mm x 300mm for 5min - Class S: supports f1/100; cantilever supports 1/150 - Shall not break when a static load according to equation with a safety coefficient of 4 is applied External construction -The distance between movable parts and adjacent movable or rigid parts shall be at least 25 mm if relevant for fingers only, otherwise it shall be at least 60 mm. -Required stops are excluded (if the user is not put at risk) -The 60 mm does not apply when the squeeze points remain within the user’s field of vision over the full range of movement during use -Accessible stops shall each have a minimum surface of 400 mm2. -Stops which compress shall each produce a surface of 400 mm2. When compressed with a pressure of 90 N/cm2. External Construction -The distance between movable parts and adjacent movable or rigid