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How to select chairs
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How to select chairs
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Catalog excerpts
How to select chairs (II) The chair is the most commonly used rest tool. How to choose a comfortable and durable chair is very knowledgeable. In the last issue, we talked about the structural strength test of the chair, but that alone is not enough. In addition to considering the situation of the chair back, we also need to consider the fatigue strength of the chair arm, the impact capacity of the seat surface, etc. As the name implies, the fatigue strength of armrests is a test to test the armrests of chairs. It mainly simulates the force applied by human hands on the chairs. Generally, the direction of force application is at an angle of 10 ° with the vertical plane, and then record the number of loading times. The more times you can bear, the better the quality. The impact of chair seating surface is also known as the drop impact of office chair. The mechanical properties such as free fall impact and durable impact are tested at room temperature, which are widely used in the office chair furniture industry to evaluate the one-time impact and fatigue durability of chair surface under the action of vertical force, so that manufacturers can master the quality of products. In GB, 102kg weight is used to impact down from 52mm height. This test can be conducted once, and it is qualified if it is not damaged. The 57kg weight is used to impact down from a height of 30mm, and the test requires 100,000 times. QTS Group provides professional testing equipment for major chair manufacturers to help them screen out unqualified products and improve their quality.
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