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Hubei inspection flat price, Yasheng cast iron measuring tools are of high quality and low price

total supply
11111 吨
MOQ
1 吨
brand
亚晟机械
area
HebeiCangzhou City
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area:Hebei Cangzhou City

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Botou Yasheng Machinery Co

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Product Details
规格:
齐全
型号:
齐全

检验平板适用于各种检验工作,精密测量用的基准平面;用于机床机械检验测量基准;检查零件的尺寸精度或形为偏差,并作紧密划线,在机械制造中也是不可缺少的基本工具。
1、检验平板工作面不得有严重影响外观和使用性能的砂孔、气孔、裂纹、夹渣、缩松、划痕、碰伤、绣点等缺陷。
2、检验平板的铸造表面应清楚型砂且平整,涂漆牢固。
3、检验平板精度等级为0级~3级的检验平板工作面上,直径小于15mm的砂孔允许用相同材料堵塞,其硬度应小于周围材料的硬度。工作面堵塞的砂孔应不多于4个,且砂孔之间的距离应不小于80mm。
4检验平板应采用优质细密的灰口铸铁等材料制造,其工作面硬度应为170~220HB。
5检验平板工作面通常采用刮削工艺。对采用刮削加工的3级平板工作面,其表面粗糙度Ra最大允许值为5μm。
6、检验平板应去磁和稳定性处理。
7、检验平板相对两个侧面上,应有安装手柄或吊环装置的螺纹孔(或圆柱孔),且装置位置的设计应尽量减少因搬运而引起的变形。
8、检验平板工作面上设置螺纹孔(或沟槽),其部位应不高于工作面。检验平板的整体规格最大为4米×8米,大于此规格可以多块拼接,使用磨损后,可以重新修刮恢复其精度,可用涂色法检验零件平面度,具有准确、直观、方便的优点。在经过刮研的铸铁平板上推动表座、工件比较顺畅,无发涩感觉,方便了测量,保证了测量准确度。
检验平板的铸铁质量和热处理质量对平板使用性能产生较大影响,或因残存较大内应力使工作面变形;或因不耐磨损使精度不能保持;或因刮削困难得不到数值小的粗糙度。因此使用铸铁平板必须注意铸铁材料的选择,采用时效处理等方法消除铸铁平板的残余应力。
电话:0317- 8290311          传真:0317-8033919         QQ:969099834
手机:18733036768   18733086638        网址:www.btyasheng.com
源文件网址:http://www.btyasheng.com/ztpbptxl/ztpbptxl_470.html
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