国产一区二区色,国产又粗又猛又爽又黄男同,九九热色,亚洲欧美日韩综合在线

Hello! Welcome to Wenzhou Longsheng Stainless Steel Products Co., Ltd.

Industry News
Current Location:Home > News > Industry News

The manufacture of stainless steel head size

Source:http://g1education.com/ Posted on:2016-12-05 23:41:30

Stainless steel head and stainless steel elbow, stainless steel tee technology is not the same

  Stainless steel head size of the manufacture:

 Size of the head (reducer) is used for pipe diameter at a tube. Commonly used in the forming process for the reduction of diameter compression, expansion of the diameter or diameter of the expansion of the press, for some sizes of the reducer can also be used stamping. In this case,

  Reduced diameter / expanded diameter forming

 Reduced size of the head forming process is the size of the big end of the same diameter of the tube into the mold, in the axial direction along the tube along the press, the metal along the cavity movement and shrink molding. Depending on the size of reducer diameter, divided into a compression molding or repeated compression molding.

 B. Stamping

 In addition to the use of steel pipe as the raw material consumption of the size of the head, the size of the local specifications of the head can also be used steel stamping process to stop consumption. Stamping die used in the shape of the size of reference to the size of the head surface design, with the punching of the steel after the sheet metal stamping stretch forming. In this case,

The size of the first bond before the application of dry cloth and the socket side of the socket side of the wipe handle, when the appearance of sticky oil to be cleaned with acetone wipe, the following points to note:

 1, control caliber: DIN specification (DN10-DN150), 3A / IDF specification (1/2 "-6"), ISO specification (肖12.7-肖152.4);

 2, the international industrial norms: DIN, ISO, SMS, 3A, IDF, etc.

 3, the product information: stainless steel 304,316,316 L;

 4, the quality and use: the size of the first internal and external use of high-grade polishing equipment, to meet the requirements of the appearance of fine; this product is suitable for dairy, food, beer, beverage, pharmaceutical, cosmetics and other industrial areas;

 5, external processing: the user can request to map, sample processing non-standard products;

 6, Connection: Clamp (fast loading) type, welded, threaded (live access) type. In this case,

 Pay attention to the size of the head is also suitable for environmental dust removal industry in the pipe diameter, are generally rolled steel cutting and welding, pipe diameter varies, the data are generally hot-rolled coil, the application is very good, can save costs.



CONTACT US
  • TEL:0577-86999677
  • FAX:0577-86823321
  • ADD:No.3227 yongqiang road, longwan district, wenzhou city, zhejiang province.
All Rights Reserved 2018 Wenzhou?Longsheng?Stainless?Steel?Co.,Ltd Technical support: Yunding Technology
亚洲国产一二三区精品美女污污污 | 久久久久久97免费精品一级小说| 日本肉体xxxx裸交软件| 强伦人妻一区二区三区视频18| 国产精品内射| 91欧美一区二区三区| 国产精品久久久久久久午夜片 | 熟女少妇一区二区三区| 嫩草av在线| 国产又爽又黄视频| 99久久久国产精品免费观看| 岛国久久久| 亚洲黄色在线播放| 国产人妻精品一区二区三区不卡 | 日韩av在线第一页| 亚洲一区二区三区四区av| 久久国产青偷人人妻精麻豆| jizz性欧美2| 亚洲欧美在线人成swag| 天天综合天天| 国产av一级黄片| 91精品国产综合久久福利| 久久久久久夜| 黄片久久久| 国产精品久久久久久久午夜片| 91亚洲精品久久久蜜桃网站| 高清国产午夜精品久久久久久| 国产精品久久久久久久久久久久久久久久 | 久久精品女厕撒尿| 日本护士毛茸茸白嫩| 国产在线麻豆精品观看| 91精品国模一区二区三区| 国产真实的和子乱拍在线观看| 亚洲一区二区视频在线| 欧美激情第五页| www.7蜜桃av.com| 综合久久伊人| 国产精品—色哟哟| 国产精品久久久久久久久一区二区三区 | 蜜臀久久AV无码牛牛影视| 麻豆精品国产传媒av绿帽社|