GW-053B 泡棉回弹试验机
GW-053B Foam elastic recovery gauge testing Machine      
一、主要适用范围及功能
本机按照GB/T6670-2008设计制造，符合ASTM美标D3574及ISO8307测试标准，适用于测定软质聚氨酯泡沫塑料的落球式回弹性能。本仪器通过给定直径和质量的钢球在规定高度上自由落在泡沫塑料试样上，计算钢球回弹的高度与钢球落下高度比值的百分率，即回弹率，以回弹率表示泡沫塑料的回弹性能。该机具有使用安全、可靠、测量精度高等特点。
This tester is the steel ball falling in soft foam plastic or other flexible material sample, measuring instruments, the height of the rebound in the test project is mainly used for the determination of polyester elastic material because of the elastic energy in the coefficient of restitution. By microcomputer ａnd photoelectric technology,electromagnetic control, digital tube display directly back to the weak coefficient values.
 
标准：GB-6670-2008. American D3574
Standard for: GB-6670-2008 "The determination of the soft foam resilience can"
American D3574 "soft foam adhesive ａnd the model of polyurethane foam plastic".
 
二、主机技术参数
钢球落下距离：460±0.5%mm（国标）500±0.5%mm（美标）
钢球直径：￠16±0.05 mm
落球回弹率精度：<1.5%
被测试样尺寸：100 mm(长) ×100 mm（宽）× 50mm（高）
自动计算平均回弹率
占地面积：0.4m*0.5m
Technical Specifications：
1.power voltage: 220v 50HZ
2.Falling ball height :500 mm
3.Steed ball diameter : 16±0.5mm
4.Instrument testing resolution:1/10000 second
5.The coefficient of restitution measurement range ：25%-80%
6.Test error < 1%
7. Instrument dimensions ：250*200*650