免费人成小说在线观看网站_一二三四日本高清社区5_国产福利在线小视频_91久久婷婷国产一区二区_国产精品久久久久久久久免费樱桃_日本高清视频色_亚洲成人综合社区_日本一区二区成人_亚洲成A∧人片在线播放黑人_97超碰成人在线_真实在线播放_hdsex麻豆_蜜臀在线视频_精品国产美女_日本看黄网站_色噜噜狠狠色综合AV_亚洲第一香蕉_久久99网_久久精品中文字幕无码_国产精品88_久草网站在线_日韩欧美亚洲国产精品字幕久久久_亚洲a综合一区二区三区_亚洲国内自拍愉拍_日韩在线国产精品_国产乱一区二区三区视频_我才12因啪啪就破了处怎么办_天天草草草_中文字幕区_国产三级爽死你久久精品

Latest News
2015/3/21
Comparison bet
2015/1/22
The importance
2015/1/21
Troubleshootin
2014/12/15
Machinery Exhi
2014/12/15
Rayliter Works
Search
current position:Home > News > Company News

Five points to pay attention to when operating a cold heading machine

Source:http://www.pbnxw.com.cn     Author:冷鐓機(jī)     Time:2014/8/19     Click:
Five points to pay attention to when operating a cold heading machine
(1) The end of the cold heading machine steel bar should be ground flat to ensure the accurate shape of the cold heading anchor head;
(2) After the multi station cold heading machine and other steel bar upsetting machines, a tensile test must be conducted to verify whether the strength of the anchoring head is qualified. 
(3) The diameter of steel bars or wires should meet the requirements of the cold heading machine, and steel bars (wires) that are too coarse or too fine cannot be cold headed;
(4) Within the allowable range of the cold heading diameter of the punching machine, the position of the fixture (screw in or screw out) can be adjusted according to the required anchor head size to obtain a suitable amount of steel bar (wire) extension allowance;
(5) In the 120-130mm area of the steel bar (wire) cold heading part of the multi station automatic cold heading machine, rust removal and straightening are required.
永兴县| 龙井市| 漠河县| 公安县| 如皋市| 汉源县| 嘉鱼县| 华安县| 甘洛县| 博罗县| 曲周县| 鄢陵县| 桦川县| 和田市| 吉林省| 长岛县| 郯城县| 根河市| 四子王旗| 荔浦县| 禄丰县| 宁德市| 桐梓县| 任丘市| 新宾| 岑溪市| 安福县| 遂宁市| 克拉玛依市| 奉节县| 绥阳县| 林甸县| 宁河县| 莱芜市| 通榆县| 尉犁县| 开封市| 山东省| 清镇市| 扎囊县| 南木林县|