en957-英文版.ppt

Stationary training equipment
EN957
Feb., 18. 2004
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 1
General Safety Requirement and Test Methods
Accuracy classes
-Class A: high accuracy and additional endurance requirements
-Class B: medium accuracy and additional endurance requirements
-Class C: minimum accuracy
EN 957 PART 1
General Safety Requirement and Test Methods
Usage classes
- class S:professional and/mercial use
- class H:domestic use
EN 957 PART 1
General Safety Requirement and Test Methods
Safety requirements
Stability of free-standing equipment
External construction
Safety mechanisms
Adjustment and locking mechanisms
EN 957 PART 1
General Safety Requirement and Test Methods
Ropes, belts and chains
Pull-in points
Handgrips
EN 957 PART 1
General Safety Requirement and Test Methods
Care and maintenance
Assembly instruction
General instructions for use
Marking
EN 957 PART 2 Strength training equipment
Intrinsic loading
-Class H: the bodymass (100 kg)
-Class S:2times the bodymass (100kg)
-On a surface area of 300mm x 300mm for 5min
-Requirements:
- Class H: No breakage
- Class S: supports f<1/100; cantilever supports <1/150
Shall not break when a static load of 4 times the body mass is applied
EN 957 PART 2 Strength training equipment
Extrinsic loading
-Class H F(N)=(Gk+)-Class S F(N)=(Gk+)2 G:maximum load in kilograms indicated by the mfr Gk:100kg :dynamic coefficient  :safety coefficient (Class H) 2:safety coefficient (Class S)
- On a surface area of 300mm x 300mm for 5min
- Class S: supports f<1/100; cantilever supports <1/150
Shall not break when a static load according to equation with a saf