测量知识,量具的使用

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测量知识,量具的使用

时间:2011-10-16 09:34 作者:admin 点击:

 游标卡尺(数字显示、表盘显示、刻线显示) A.使用范围及规格: 不同规格的量具,具有不同的量程范围。 游标卡尺具有不同的量程范围,常用的量程范围为0~150mm、0~200mm、0~500mm、 0~600mm等,我们根据工件的大小,选择相应的卡尺。 卡尺用于测量长度(宽度、高度)、深度、台阶、内径、外径等。 B.精确度: a.数字显示游标卡尺精确度一般为0.01mm,简称为C(丝、条、道…),本公司统一为丝。 1mm=100丝=1000μ b.表盘显示游标卡尺精确度一般为0.02mm。 c.刻线尺因读数困难,现已很少使用,一般精确度为0.01或0.02。 C.使用方法: a.取出卡尺,明确精确度,查看是否在有效期限内,是否有合格标签,上述项目明确后,方可使用。 b.用外量爪测量长度(宽、高)或圆柱外径,用内量爪测量圆孔内径,槽的宽度,用深度尺测 量槽、盲孔深度,用阶梯尺测量阶梯、台阶尺寸。 c.测量时用用软布、软纸轻轻擦去测量面污物,并归零,用手推、拉动游标尺,滑动轻 快,无阻滞感,无误时方可使用。 d.用上述方法测量,一般测量3次,取平均值。 D.读数方法: 数字显示的卡尺直接读取数据,表盘显示为主尺值加表盘数据,每小格表示0.02。 E.量具游标卡尺注意事项: a. 使用前检查准用证(标签),使用有效期。 b. 调零,是否在零位,测量面清洁,光滑无异物、锈蚀。 c. 滑道顺畅,无异物。 d. 使用后清洁、润滑、防锈(加油),归位保管。 e. 不可用于其它用途(如画圆等)。 f. 卡尺与包装盒一一对应,携带过程中必须放在盒内,避免摔伤、碰伤。

Vernier caliper (digital display, dial display, carved line shows) a. use scope and specifications: different specifications of measuring tools, have different range range. Vernier gauges can have different range range, and the common range range is 0 ~ 150 mm, 0 ~ 200 mm, 0 ~ 500 mm, 0 ~ 600 mm and so on, we according to the size of, choose corresponding calipers. Caliper used to measure length (width, height), depth, steps, diameter, outer diameter, etc. B. accuracy: a. digital display vernier caliper accuracy to 0.01 mm general, known as C (article of silk, the word,...) , the company unity of silk. 1 mm = 100 silk = 1000 μ b. dial display vernier caliper accuracy to 0.02 mm general. C. scribed line readings, has been difficult for feet is rarely used, general accuracy of 0.01 or 0.02. C. use: a. take out caliper, precision and see if it is clear in the term, whether to have qualified label, projects, and then after use. Clear B. the quantity measurement length with claws (wide, high) or cylindrical outside diameter, with claws in quantity measurement round hole diameter, the width of the slot, with deep feet of measuring trough, blind hole depth, with ladder feet measurement ladder, step size. C. when measuring the use soft cloth, soft paper gently wiped measuring surface dirt, and to zero, with the hand pushing, pull rod, swim fast, no sliding light block feeling, and correct can use when. D. the use of such methods measuring, general measurement three times, take average. D. reading method: digital display directly read data, dial calipers that give priority to add value dial data, feet every small division said 0.02. E. gage vernier gauges can note: a. before use must check card (tag), with the use of validity. B. zero, whether in zero, measuring surface cleaning, smooth without impurit, rust. C. slide smoothly, without foreign body. D. use clean, lubrication, rust (oil), the position. E. Not used for other purposes (picturesque round, etc.). F. caliper and packing box, the one-to-one carry process must be on the box, avoid to fall, collision.
 

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