两男一女60分钟视频_日韩精品国产一区二区三区_丰满的女教师bd高清_一本道av天堂无码免费_十八禁av无码免费网站

EN CN

Common problems

Home / Common problems

Safe use of roll board machine process


Update date:2017-11-11 Browse:4620


1. Preparation before starting

1. Check whether the parts are abnormal, and the fastening screws (cap) should not be loose. The brake should be normal and reliable.

2. Adjust the drum distance strictly according to the thickness of the plate and shall not overload the operation. Can not coil pressure beyond the mechanical properties specified range of the workpiece.

2. Attention matters in the operation of the roll board machine

1. It is necessary to keep the workpiece stable and the position is positive to drive the operation, and the signal should be clearly specified, and one conductor shall be appointed.

2. The hand should not be placed on the rolled steel plate, and the sample should not be used for inspection, and the roundness of the sample should be checked after the shutdown.

3. When rolling to the end of the steel plate, roll the roll to the end of the steel plate to prevent the workpiece from falling down.

4. When the work is done, it is strictly forbidden to stand on the workpiece and find the positive roundness on the rolled cylinder.

5. When rolling the workpiece with thicker diameter and larger diameter, it should lower the roller and roll it in a small amount.

6. When rolling a narrower cylinder, roll the roll in the middle of the roll.

7. After entering the roll, the workpiece shall prevent the hand and clothing from being sucked into the roll.

Three, roll board machine stop attention matters

1. If there is abnormal sound of machine operation, check and adjust repair immediately.

2. Disconnect the switch and cut off the power.

3. Place the workpiece in the designated place after shutdown.

Previous: Parallel machine tool analysis    Next : Roll board maintenance personnel needs to pay attention to which return

Contact us

  • Address:Industrial concentration
    zone (renmin road), libao town,
    haian county, jiangsu province
  • MB: 13584710666
  • TEL: 0513-88280988
  • FAX: 0513-88283387
  • E-mail: jslx@jslxzg.com
成人精品一区二区无码 | 免费一级毛片一级A片一级AV | 九 7在线国产综合视频 | 强伦轩一区二区三区的含义和影响 | 91人妻边做边打电话AⅤ | 亚洲少妇尻逼一级视频 | 欧美熟妇人妻精品一区二区三区 | 妺妺窝人体色WWW日产换脸 | 国精品无码一区二区三区在线秋菊 | 竹菊传媒一区二区三区 | 久久久草在线免费播放器 | 最新地址24小时永远失效 | 国产又大又粗又猛又硬 | 欧美XXXX性爱 | 国产无遮挡又黄又爽免费软件 | 亚洲六十路老寡妇无码交尾专区 | 未满十八岁禁止进入的网站 | 精品一区二区三区三区 | 国产又粗又黄视频 | 蜜桃av乱码人妻一二三区 | 午夜福利视频网站 | 国产亲妺妺乱A片 | 69人妻人人揉人人躁人人 | 福利发布页小视频caoporn | 亚洲中文视频在线观看 | 男人天堂高清无码 | 国产成人无码毛片 | 日韩成人无码一区二区视频 | 一区二区三区雪白丰满蜜臀 | 久久欠欠成人精品电影 | 日本级婬乱片A片AAA毛片动漫 | 国产女人18毛片水真多申通快递 | 无码人妻丰满熟妇bbbb | EEUSS鲁丝少妇人妻片 | 亚洲精品乱码久久久久久蜜桃麻豆 | 亚洲一区二区三区AV无码蜜桃 | 国产毛片毛片毛片毛片毛片毛片 | 无码乱人伦一区二区—丰满岳乱妇亚 | 无套中出极品美女 | caopenr人人97 | 一级a免一级a做片免费 |