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大理石平尺-泊頭市春天機床制造有限公司
產品系列

行業動態

大理石平尺是用巖石材料做成的平尺,所用巖石材料為具有優良顆粒、結構致密的花崗石、輝綠巖、輝長巖等自然界的堅硬巖石。加工方法是將毛石料進行鋸切、打眼后,經多次研磨拋光至鏡面光澤即成。大理石平尺具有更性能穩定、穩定的性能。  

用途  

對儀器儀表、細致工具、機械工件的檢驗都是相當理想的基準面,而且大理石平尺特別用于精度適宜的測量方面。  

特征  

1、物理特征:比重:2970~3070kg/㎡抗壓強度:245~254N/m㎡強性磨量:1.27~1.47N/m㎡線膨脹系數:4.6×10~6℃吸水率:0.13%肖氏強度:HS70以上。  

2、大理石經長期自然生長時效,結構細致,質地均勻,膨脹因數好小,內應力全部不會存在了,也不會變形。  

3、剛性好,硬度好,性能穩定系數特別強,因此精度保持性非常好。  

4、不愛溫度影響,平面度保持性好好,也不用擔心由于溫度的變化而影響外觀的變形和精度的變化。  

5、大理石平尺不會出現劃痕,不會發生磁性發應,檢測時能夠平滑的來回移動,不會發生滯澀而移動不靈活。  

6、不怕酸、堿液侵蝕,不會生銹,維護和保養起來也非常簡單,使用壽命長。  

7、每件大理石平尺都帶有減重孔,為了在使用過程中方便拿取。


遼寧大理石平尺2江蘇大理石平尺2
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