直缝

Products and Service: DN series data-controlled alternating current projectiong welder ZDN data-controlled commutate spot welder UN data-controlled commutate spot welder DKR\DR capacitance energy storing spot welder FN alternationg and ZFNcommutate sewing welder DM direct current pulse spot welder seam welding machine of protectiong by gas for recti or cirol seam varity of special seam welding machine for poine stich AND DKR-350 capacitance energy storing spot welder has been certified whit national patent and DTN-100/DTN-150 has been honored with technology innovation award.

现主要产品有： DN系列数控交流式点凸焊机。 ZD数控次级整流式点焊机。 UN数控交流对焊机。 DKR、DR电容贮能式点焊机。 FN交流式和ZFN次级整流式缝焊机。 DM直流脉冲式电焊机。直、环缝气体保护焊接专机。各类焊接生产线。其中： DKR-350电容贮能式点焊机获国家专利。

After being reflected by the object,the projection slit is imaged on a detection double slit through another lens.

准直激光束照明的投影狭缝由一个透镜以掠入射角度投影在被测物体上，狭缝投影经过被测物体表面的反射和另一个透镜的成像在探测双缝上形成投影狭缝像。

A projection slit is illuminated by a collimated laser beam.The projection slit is projected onto an object to be measured with grazing incidence through a lens.After being reflected by the object,the projection slit is imaged on a detection double slit through another lens.

准直激光束照明的投影狭缝由一个透镜以掠入射角度投影在被测物体上，狭缝投影经过被测物体表面的反射和另一个透镜的成像在探测双缝上形成投影狭缝像。

The overlock machine combines straight and overcasting stitches and outs and sews the fabric while stitching the seam s.

包缝机的线迹由直线线迹和锁边线迹组成并且缝纫时边剪边缝。

The overlock machine combines straight and overcasting stitches and outs and sews the fabric while stitching the seams.

包缝机的线迹由直线线迹和锁边线迹组成并且缝纫时边剪边缝。

The overlock machine combines straight and overcasting stitch es and outs and sews the fabric while stitch ing the seams.

包缝机的线迹由直线线迹和锁边线迹组成并且缝纫时边剪边缝。

A narrow flattened pleat or fold that is stitched in place.

在适当的位置缝的细直褶或折缝。

The company mainly of Health Products mainly include: right welder mainly: UN1-1, UN1-5, UN1-7, UN1-10, UN1-16 type of welder, UN2-25, UN2-75, UN2-100, UN2-150 type on the welder, UNT chain right welder, BUN saw blade on the welder, spot welder are: DN1-10, DN1-16, DN1-25, DN1-40-type spot welder, DNK-40, DNK-75, DNK -100 Pneumatic point of convex welder, DN2-25, 40-type portable spot welding machine, automatic Welding Machine, Dust network dedicated welder, FN seam Welder, FNZ-16 automatic seam welder, BX1, 3,6 series of AC arc welder, MH steel vertical submerged to the welder, HGS-40-type steel rib peeling rolling straight screw thread machine, bar straightening machines, etc. dozens of kinds of products sold to all provinces, municipalities, and its excellent performance, reliable quality, perfect after-sales service, and quickly occupied the domestic market and exports in some countries in Southeast Asia, deeply general customers trust and praise.

本公司主要生产主要有：对焊机主要有：UN1-1、UN1-5、UN1-7、UN1-10、UN1-16型对焊机，UN2-25、UN2-75、UN2-100、UN2-150型对焊机，UNT链条对焊机，BUN锯条对焊机，点焊机有：DN1-10、DN1-16、DN1-25、DN1-40型点焊机，DNK-40、DNK-75、DNK-100型气动点凸焊机，DN2-25、40型便携点焊机，全自动排焊机，除尘网专用焊机，FN缝焊机，FNZ-16自动缝焊机，BX1、3、6系列交流弧焊机，MH钢筋竖向埋弧对焊机，HGS-40型钢筋直螺纹剥肋滚丝机，钢筋调直机等几十种产品，销往全国各省、市、以其卓越的性能，可靠的质量、完善的售后服务，迅速占领国内市场，并有部分产品出口中东南亚国家，深受广大用户的信赖和好评。

This article describes briefly process procedure and characters of 5 sets rolling tack welders for longitudinal submerged arc welding pipe unit,and introduces common defects during tack welding operation,such as air pocket,slag,arc burn,offset and misalignment etc.

简述了直缝埋弧焊管机组中五组压辊式预焊机的工艺过程及特点，介绍了预焊作业中常见的气孔、夹渣、烧穿、错边、焊偏等缺陷。

The customer is concerned about the ability of the straight saw to "manage" more rapid cutting and return of the saw bench for smaller diameter pipe that will be extruded at rates of up to18m/min.

锯片旅行限制客户关注的是能力的直缝埋弧焊&管理&更快速切割和返回的锯台直径较小的管道，将在膨化率高达to18m/min 。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。