河南郑州恒川精益管工作台适合钳工、模具、装配、包装、检测、维修、生产办公等各种生产用途。
郑州线棒产品最早的生产厂商恒川精工，市场上面的线棒产品越来越多，消费着该怎样选择精益管，下面我就介绍一下
怎样鉴定精益管工作台的质量?
1、相对两个侧面上，应设置有安装手柄、吊环等。吊装设施的螺纹孔或圆柱孔。设计吊装位置时应考虑尽量减少因吊装而引起的变动。
2、作表面不应有锈迹、划痕、碰伤及其他影响使用的外观缺陷。
3、应采用优质细颗料的灰口铸铁或合金铸铁制造。
4、工作面的硬度应为HB 170-220。
5、根据用户要求，在板工作面上设置螺纹孔或沟槽后，这些部位不应出现高于工作面的凸起现象。
6、工作表面不应有砂孔、气孔、裂纹、夹渣及缩松等铸造缺陷。各种铸造表面应清除型砂、且表面平整，涂漆牢固。各棱边应修钝。在精度等级低于“00”级的 平板工作面上，对于直径小于15mm的砂孔允许用相同的材料堵塞，其硬度应低于周围材料的硬度。在工作面上堵塞的部位应不多于四处，其相互之间的距离应不小于80mm。
7、工作面应采用刮削工艺，对于“3”级平板工作面也可以采用刨削工艺，刨削工作表面的表面粗糙度按轮廓算术平均偏差Ra值应不大于5um 8、应经过稳定性处理和去磁。
8、面研磨：平台在很早的时候,人们利用三块平台相互匹配以产生真平平面。一个熟练而又有耐心的磨石师傅可以不藉助任何量测仪器,而仅利用三平台相互匹配的方 式做多次90度之旋转， 即可产生令人难以相信的真平程度。
9、平 面 度：可分实验室级(Reference)、校验级(Master)、工 具室级(Working) 三级：
10、AA级:其平面度(μm)= 1+1.6D2 (D为平台对角线长或直径),用于高度精密之测定之用，常用于实验室。
11、A级:其平面度为AA级之两倍误差，常用于工具检验室作精密量具之检验之用。
12、B级:其平面度为AA级之四倍误差，常用于工具检验室或在现场检验量具或划线之用。
国外的朋友可以下介绍
How to evaluate the quality of lean management workbench?
Henan Zhengzhou Hengchuan lean pipe worktable is suitable for fitter, mold, assembly, packaging, testing, maintenance, production office and other production purposes. Zhengzhou bar products first manufacturer Hengchuan Seiko, the market above the bar products more and more, consumers how to choose a lean tube, I will introduce the following, how to identify the quality of the lean tube table?
1, relative to the two sides, should be installed with a handle, rings and so on. Threaded or cylindrical holes for lifting installations. The lifting position should be designed to minimize the lifting caused by the change.
2, the surface should not be rust, scratches, bumps and other impact on the use of the appearance of defects.
3. Grey cast iron or alloy cast iron with fine grain of good quality should be used.
4. The hardness of working face should be HB 170-220.
5. According to the user's request, after the screw thread hole or groove is set on the plate working face, these parts should not appear the protruding phenomenon which is higher than the working face.
6. No Sand Hole, air hole, crack, slag inclusion and shrinkage porosity on the working surface. All kinds of casting surface should clear molding sand, and surface smooth, paint firm. All edges should be blunt. The same material shall be allowed to plug the sand hole with diameter less than 15mm on the working surface of the flat plate with the accuracy grade less than "00" , and its hardness shall be lower than that of the surrounding material. The blockage on the working face should not be more than four places, and the distance between them should not be less than 80mm.
7. The scraping technology should be adopted in the working face, and the planing technology can also be adopted in the "3" level flat-plate working face, the Surface roughness of the planed working surface shall not exceed 5um 8 according to the outline arithmetic mean deviation Ra, shall be treated with stability and demagnetized.
8. Surface grinding: Platforms in the early days, people used three platforms to match each other to produce a true plane. A skilled and patient stone Polisher can produce an incredible degree of flatness by making multiple 90 degree rotations using only three matching platforms, without the aid of any measuring instruments.
9. FLATNESS: can be divided into laboratory-level Reference, calibration-level Master, tool-room-level Working three levels:
10, AA: Its flatness M1 + 1.6 d2d for platform diagonal length or diameter, used for high precision measurement, often used in the laboratory. Class A: The flatness is double the error of Class AA. It is often used in tool testing laboratories for testing precision measuring tools. Grade B: The flatness is four times of Grade AA. It is often used in tool inspection laboratory or on-site inspection of measuring instruments or marking.
Henan Hengchuan Metal Products Co. , Ltd. .
Tel: 0371-56737123
Mobile Phone: + 8615713691365
Mailbox: 1789950288@qq.
Www.heclll.cn
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