量具按其用途可分为三大类：
1、标准量具。指用作测量或检定标准的量具。如量块、多面棱体、表面粗糙度比较样块等；
2、通用量具（或称万能量具）。一般指由量具厂统一制造的通用性量具。如直尺、平板、角度块、划线平板、卡尺等；
3、专用量具（或称非标量具）。指专门为检测工件某一技术参数而设计制造的量具。如内外沟槽卡尺、钢丝绳卡尺、步距规等量具是以固定形式复现量值的测量器具。
它的特点如下：
1、本身直接复现了单位量值，即量具的标称值就是单位量值的实际大小，如量块本身就复现了长度量的单位；
2、在结构上一般没有测量机构，没有指示器或运动着的元部件。如量块只是复现单位量值的一个实物；
3、由于没有测量机构，如不依赖其他配用的测量器具，就不能直接测出被测量值。例如量块要配用干涉仪、光学计。因此它是一种被动式测量器具。
铸铁铆焊划线平板从铸造毛坯到成品使用要经过多次的吊装和运输，铸铁铆焊平板在吊装过程中要考虑有可能出现的一些意想不到的情况会发生，提前作好准备，铸铁铆焊平板的成品重量有的可以达到50吨，所以吊装是铸铁铆焊平板可以放心使用的一个不可忽视的环节。铸铁铆焊平板的四周都设计了吊装口，吊装铸铁铆焊平板时要按工序要求操作，才可以调运。这样才可以保证铸铁铆焊平板不变形，确保使用时铸铁铆焊平板不会出现问题。
更多详细信息请登陆：www.hbytgj.com 泊头市华茂机械厂
落地镗工作台、划线平板、磁力方箱
地址：泊头市交河工业区
联系人：刘经理
手机：13231751756
联系人：徐经理
手机：13833723389
According to the measuring tool use can be divided into three categories:
1, standard measuring tool. Refers to the standard used as measurement or verification measuring tool. If LiangKuai, crossed plate, many faces, edges body appearance CuZhuo degrees sample blocks, etc; compared
2, general measure (or said that universal measuring tools). 1 a show by the measuring tool factory all 1 manufacturing of general measuring tool. If a ruler, plate, block, caliper, etc; Angle
Three, special measure (or says non-standard measuring tools). Refers to a 1 for testing by the parameters and the skills and manufacturing measuring tool. Such as list, wire rope caliper, groove caliper step distance measuring tools and fixed form such as customs reiteration of the value of measurement appliance.
It's natural the following:
1, itself directly resembles the unit, that is the value of the nominal value is measuring unit of the value of theory, such as the size LiangKuai itself resembles the long measure of unit;
2, 1 on layout as no measurement institutions, no indicator or flow of yuan components. If LiangKuai just retrieval unit of the value of a real;
Three, because no measurement institutions, such as not send the measuring appliance with other, means less than the direct measurement was measured values. The interpretation LiangKuai to with interferometer, optical plan. So it is a positive type measuring appliance.
More detailed information please visit: www.hbytgj.com botou huamao machinery factory
Floor type workbench, crossed plate, magnetic party box
Address: botou jiaohe industrial area
Contact: liu manager
Phone: 13231751756
Contact: xu manager
Phone: 13833723389
