97成人精品_欧美在线字幕_偷拍美女撒尿视频_2022中文字幕_天天弄天天弄_不卡午夜_综合网在线观看_婷婷国产天堂久久综合五_a级网站免费看_黑香蕉 综合网_密臀tv_免费黄色在线网址_国产这里只有精品_各国性猛交xx乱_av片亚洲_久久a热6_欧美日韩理论_加勒比视频一区_日韩激情片_在线免费高清视频_永久在线免费视频_汤姆成人影院_国产a爽一区二区久久久_日本黄色片中文字幕_最新免费av在线播放_网站黄色av_99色资源_国产sm在线_成人丝瓜视频_天堂8av在线

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.xmymgm2073.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.
绿春县| 阿尔山市| 休宁县| 独山县| 大埔县| 余干县| 双流县| 油尖旺区| 吉安市| 金昌市| 上杭县| 土默特右旗| 阆中市| 志丹县| 林西县| 凤城市| 谷城县| 成都市| 平顺县| 兴宁市| 安福县| 闻喜县| 昌都县| 榆林市| 江永县| 即墨市| 阿拉善盟| 湾仔区| 丰都县| 肇源县| 淮安市| 嘉祥县| 崇阳县| 靖安县| 高清| 开平市| 新乡县| 和林格尔县| 德阳市| 手游| 息烽县|