大理石平台是由大理石加工而成，大理石主要的矿物成分为辉石、斜
长石、少量橄榄石、黑
云母以及微量
磁铁矿，结构精密，经过了亿万年的老化，质地均匀，稳定性好，硬度高，因此使大理石平板具有精度高、不生锈、耐酸碱、不磁化、不变型、耐磨性好等优点。大理石平台是用天然的石质材料制成的精密基准测量工具，对
仪器仪表、精密工具、
机械制件的检验，都是理想的基准面。特别是用于高精度的测量方面，由于它得天独厚的特性，而使
铸铁平板相形见拙。
花岗石取材於地下优质的岩石层，经过亿万年自然时效，形态极为稳定,不用担心因常规的温差而发生变形。大理石平板是经严格物理试验和选择的大理石料,结晶细密,质地坚硬，抗压强度达2290-3750
公斤
／平方厘米，硬度达莫氏硬度6-7级。The marble platform is becomes by the
marble processing, the marble main mineral component for the
pyroxene, the plagioclase feldspar, the few olivines, the black
mica as well as the micro magnetite, the structure was precise,
undergoes trillion year aging, the quality of material has been
even, the stability was good, degree of hardness was high,
therefore enabled the marble plate to have the precision high, not
to rust, to bear the acid and alkali, not to magnetize, not to
change form, the resistance to wear well and so on merits. The
marble platform is the precise datum measuring tool which makes
with the natural lithical material, to the instruments and meters,
the precision tool, the mechanical workpiece"s examination, is the
ideal reduced plane. Specially uses in the high accuracy the survey
aspect, as a result of its advantageous characteristic, but causes
the cast iron dull makes one. The granite ｓｅｌｅｃｔs material from the
underground high quality lithosphere, passes through trillion year
natural aging, the shape is extremely stable, does not need the
worry to have the distortion because of the conventional
temperature difference. The marble plate is after the strict
physical testing and the choice Dali stone material, the crystal is
close, the quality of material is hard, the compressive strength
amounts to 2290-3750 kilograms/square centimeters, degree of
hardness reaches the mohs" scale 6-7 levels.
精工机床有限公司采用了新结构、新技术、新工艺和优质材料铸造加工的各种系列量具，具有设计合理、结构稳定、精度高、耐磨损、使用寿命长等特点。主要产品有大型
焊接平台、
铸铁平板、
划线平板、
检验平台、检验平板、装配平板、铆焊平板、基础平台、焊接平台、平行平尺、铸铁平尺、焊接平板、铸铁方箱、铸铁弯板、防爆工具、大理石平板、铸铁弯板、大理石平行规、铸铁方尺、花岗石直角尺、角度平尺、塞环规、V型架、偏摆检查仪等。
大理石平台能在重负荷下保持高精度，适用于工业生产和实验室的测量工作。
大理石平板不能承受过大的撞击或敲打，湿度过高也会使平板变形，吸湿性保持在1%左右。但在日常使用中，大理石平板遭到重物磕碰，至多掉几粒石碴而已，不会影响其测量精度。The
marble platform can maintain a high accuracy under the heavy load,
is suitable in the industrial production and the laboratory
surveying work. the marble plate cannot withstand the oversized hit
or strike, the humidity will be excessively high will also cause
the plate to distort, the water absorbability will maintain about
1%. But in the daily use, the marble plate encounters the heavy
item clash, falls several grain of ballast at most, will not affect
its measuring accuracy.
河北精工机床制造有限公司是生产工具、量具的专业公司在积累了多年设计、制造平地上量具有的基础上，采用了新结构、新技术、新工艺和优质材料铸造加工的各种系列量具，具有设计合理、结构稳定、精度高、耐磨损、使用寿命长等特点。主要产品有大型铸铁平板、铸铁平台、划线平板、检验平板、装配平板、铆焊平板、焊接平台、铸铁检验平板、铸铁方尺、花岗石直角尺、角度平尺、塞环规、偏摆检查仪、齿轮跳动检查仪、刀口尺、工作台、阶梯垫铁、铸铁方筒、滑台、床身、平板支架等。广泛适用于机械加工、工具车间、装配车间、计量及精密加工的检验和测量。产品畅销31个省市、自治区，部分产品远销美国、德国、日本、韩国等国家，深受国内外客户的好评。
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