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北京北廣精儀儀器設備有限公司
北京北廣精儀儀器設備有限公司
泡沫海綿回彈率測試儀制造標準：(GB/T6670-2008 ISO8307 ASTM D3574 ISO8307)軟質泡沫聚合材料落球法回彈性能的測定
北廣其他檢測海綿儀器：
海綿泡沫壓陷硬度測試儀
海綿泡沫落球回彈測試儀
海綿泡沫疲勞沖擊試驗儀
海綿泡沫壓縮*變形試驗儀
海綿泡沫切割機
海綿泡沫拉伸強度試驗機
海綿泡沫塑料落球回彈儀-（液晶顯示）
泡沫海綿回彈率測試儀型號：HMLQ-500
泡沫海綿回彈率測試儀制造標準：
(GB/T6670-2008 ISO8307 ASTM D3574 ISO8307)軟質泡沫聚合材料落球法回彈性能的測定
適用范圍及功能：
適用于測定軟質聚氨酯泡沫塑料的落球式回彈性能.落球回彈是通過給定直徑和質量的鋼球在規定高度上自由落在泡沫塑料試樣上，計算鋼球回彈的zui大高度與鋼球落下高度比值的百分率既回彈率，以回彈率表示泡沫塑料的回彈性能。滿足08標準A法和B法試驗方法。主要是測試塑料泡沫材料及海綿材料的回彈性能。 落球回彈測量精度高采用微處理器進行控制，中文顯示，并可打印試驗數據。
技術參數：
1、鋼球回落高度：460mm（國標） 500mm（美標）
2、鋼球直徑：￠16mm
3、落球回彈率精度： <1%
4、被測試樣尺寸：長*寬*高=100 mm×100 mm×100（50）mm
5、自動計算平均回彈高度
6、自動計算平均回彈率
主要配置：
1、試驗主機一臺
2、智能液晶控制操作系統一臺
3、鋼球釋放機構兩套（手動釋放機構1套、自動釋放機構1套）
4、鋼球捕捉機構一套
5、高度調節機構一組
6、精密光電傳感器一套
7、鋼球4個
8、微型打印機一臺
9、水平校準機構一組
試驗步驟：
將調節后的試樣水平置于回彈儀的測試位置上，通過調節使鋼球底部從固定位置到泡沫塑料表面的落下高度為460mm。
在釋放裝置上固定鋼球，然后使鋼球自由落下。
對每一個試樣做三次回彈，取三次回彈中的zui大值。
每次回彈鋼球應落在試樣表面的同一位置上，并且兩次回彈的時間間隔應控制在20s之內。
如果鋼球在回彈過程中碰到或彈出測量裝置，所得數據無效，需重新補做。
All other testing instruments: sponge
Sponge foam sag hardness tester
Sponge foam falling ball springback tester
Sponge foam impact fatigue tester
Sponge foam compression permanent deformation test instrument
Sponge foam cutting machine
Sponge foam tensile strength tester
Sponge foam falling ball hammer - (liquid crystal display)
Foam sponge resilient rate tester models: HMLQ - 500
Foam sponge resilient rate tester manufacturing standards:
(GB/T6670-2008 ISO8307 ASTM D3574 ISO8307) soft foam polymeric material resilience can measure the falling ball method
Foam sponge resilient rate tester is applicable range and function:
Is suitable for the determination of soft polyurethane foam falling ball type can rebound resilience. Falling ball springback is through a given diameter and the quality of the steel ball in the specified height on free falling on the foam sample, calculate the springback of maximum height of steel ball and ball drop height ratio is the percentage of spring rate, expressed as a resilient rate of foam plastics can rebound resilience. A and B meet the euro standard test method. Is primarily to test the plastic foam and sponge material can rebound resilience. Falling ball rebound high precision measurement using microprocessor to control, Chinese display, and can print the test data.
Foam sponge resilient rate tester technical parameters:
1, the steel ball drop height: 460 mm (gb) is 500 mm (American standard)
16 mm, ball diameter: 2 ￠
3, falling ball precision resilient rate: < 1%
4, the tested sample size: length * width * height = 100 mm * 100 mm * 100 mm (50)
5, and automatically calculate the average rebound height
6, calculated the average rebound rate automatically
Foam sponge resilient rate tester main configuration:
1, test host
A 2, smart LCD control operating system
3, release mechanism of steel ball two sets (1 set of manual release mechanism, automatic release mechanism (1 set)
4, a steel ball capture institutions
A set of 5, height adjustment institutions
6, precision photoelectric sensor is a set of
7, steel ball four
8, a miniature printer
A group of 9, level calibration institutions
Foam sponge resilient rate tester test steps:
Will be adjusted sample level in the test position of the hammer, by adjusting to the bottom of the steel ball from a fixed position to the foam on the surface of the drop height is 460 mm.
In the release device fixed ball, and then make the ball fell free.
Do the springback three times for each sample, take a maximum of three times the springback.
Every time the springback ball should fall on the same location on the surface of the specimen, and twice the springback of time interval should be controlled within 20 s.
If you meet or pop-up steel ball in the process of springback measuring device, the data is invalid, need to do.
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