How to do office chair foot frame test
7. 1 applicability to this test for all the chair foot type rack chassis. 7. 2 test objective the purpose of this test is to assess excessive foot frame under vertical load. 7. 3 test steps a) Demolition of pneumatic rod or castor ( Castor set to keep in place) , generation to obstacles or support. Recommend the use of castor stem to provide support. Obstacles or support should be high enough, in the middle of the test to avoid the foot frame column and/or legs of contact test platform. Will cushion support dismantle machinery and height adjustment from the feet, shelves. Along the vertical direction of horse central column or tapered/horse interface shape fixed model of load test. b) Is applied load, the chair foot leg should be able to move sideways, feet wearing the central column should be able to move along the vertical direction. Obstacles or support should be with the original position of castor/pneumatic rod and similar supporting way, and not hinder its any deflection during testing and/or lateral movement, also can't weaken the rigor of the test. 7. A) 4 test procedure The horse with 11120 N ( 2500 LBS) The force, time lasts 1 min. b) Lift the load. c) The horse again to 11120 N ( 2500 LBS) The force, time lasts 1 min. d) Lift the load, according to 7. 5 to evaluate product acceptance level. 7. The interior structure of 5 accept horse can't sudden big change. Is applied load, the horse can not contact the central column test platform. Instrument co. , LTD is located in the songshan lake high-tech industrial park, the most innovative features huazhong university of science and technology mechanical nc manufacturing engineering research and software research and development core team, professional production and research and development of all kinds of furniture testing instruments, toys, textile testing instrument testing instruments and general testing instrument. You are welcome to inquire
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The Heat Contact Machine GT-C101 is a specialized testing instrument designed for evaluating the heat resistance and thermal protective performance of gloves, protective clothing, and other heat-resistant materials used in high-temperature environments. In industries such as smelting, casting, welding, and glass manufacturing, workers are frequently exposed to intense heat, making accurate testing of contact heat resistance essential for ensuring safety and compliance.
GT-C101 simulates real working conditions by measuring heat transfer delay and thermal transmission under instant contact with high-temperature surfaces. Fully compliant with EN 407, EN 702, and ISO 12127-1 standards, this machine provides precise, repeatable data for manufacturers, laboratories, and research institutions. With high-temperature capability up to 500°C, advanced calorimetry, digital monitoring, and adjustable contact speed, the Heat Contact Machine GT-C101 is an indispensable tool for developing and certifying next-generation PPE and heat-insulation materials.
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