139137209-SMAW-Powerpoint.ppt
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This document summarizes Shielded Metal Arc Welding (SMAW) techniques. It describes different types of weld beads, such as stringer and weave beads, and weld passes like root, fill, and cover passes. It outlines techniques for various weld positions including flat, horizontal, vertical and overhead. It provides guidance on travel speed, electrode placement, and work and drag angles to control weld penetration. It also covers topics like joint preparation, restarts, crater fills and machine setup for SMAW.
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SMAW welding techniques
This document provides information on shielded metal arc welding (SMAW) techniques. It discusses various types of weld beads and passes used in SMAW. Key techniques covered include stringer, weave, and whip techniques and their characteristics. Proper travel angles, speeds, and electrode placement are described. Joint preparation details are provided for different joint types, positions, and whether backing is used. The document also discusses restart and crater techniques as well as machine setup parameters.
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1：1制作英国伦敦大学毕业证（london毕业证书）学历学位证书原版一模一样
原版一模一样【微信：741003700 】【英国伦敦大学毕业证（london毕业证书）学历学位证书】【微信：741003700 】学位证，留信认证（真实可查，永久存档）offer、雅思、外壳等材料/诚信可靠,可直接看成品样本，帮您解决无法毕业带来的各种难题！外壳，原版制作，诚信可靠，可直接看成品样本。行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备。十五年致力于帮助留学生解决难题，包您满意。
本公司拥有海外各大学样板无数，能完美还原海外各大学 Bachelor Diploma degree, Master Degree Diploma
1:1完美还原海外各大学毕业材料上的工艺：水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠。文字图案浮雕、激光镭射、紫外荧光、温感、复印防伪等防伪工艺。材料咨询办理、认证咨询办理请加学历顾问Q/微741003700
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
Basic electronics electrical and engineering unit 5 notes
It's notes based on basic electronics electrical and engineering
一比一原版(ud毕业证书)丹佛大学毕业证如何办理
原版一模一样【微信：741003700 】【(ud毕业证书)丹佛大学毕业证成绩单】【微信：741003700 】学位证，留信认证（真实可查，永久存档）原件一模一样纸张工艺/offer、雅思、外壳等材料/诚信可靠,可直接看成品样本，帮您解决无法毕业带来的各种难题！外壳，原版制作，诚信可靠，可直接看成品样本。行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备。十五年致力于帮助留学生解决难题，包您满意。
本公司拥有海外各大学样板无数，能完美还原。
1:1完美还原海外各大学毕业材料上的工艺：水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠。文字图案浮雕、激光镭射、紫外荧光、温感、复印防伪等防伪工艺。材料咨询办理、认证咨询办理请加学历顾问Q/微741003700
【主营项目】
一.毕业证【q微741003700】成绩单、使馆认证、教育部认证、雅思托福成绩单、学生卡等！
二.真实使馆公证(即留学回国人员证明,不成功不收费)
三.真实教育部学历学位认证（教育部存档！教育部留服网站永久可查）
四.办理各国各大学文凭(一对一专业服务,可全程监控跟踪进度)
如果您处于以下几种情况：
◇在校期间，因各种原因未能顺利毕业……拿不到官方毕业证【q/微741003700】
◇面对父母的压力，希望尽快拿到；
◇不清楚认证流程以及材料该如何准备；
◇回国时间很长，忘记办理；
◇回国马上就要找工作，办给用人单位看；
◇企事业单位必须要求办理的
◇需要报考公务员、购买免税车、落转户口
◇申请留学生创业基金
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
办理(ud毕业证书)丹佛大学毕业证【微信：741003700 】外观非常简单，由纸质材料制成，上面印有校徽、校名、毕业生姓名、专业等信息。
办理(ud毕业证书)丹佛大学毕业证【微信：741003700 】格式相对统一，各专业都有相应的模板。通常包括以下部分：
校徽：象征着学校的荣誉和传承。
校名:学校英文全称
授予学位：本部分将注明获得的具体学位名称。
毕业生姓名：这是最重要的信息之一，标志着该证书是由特定人员获得的。
颁发日期：这是毕业正式生效的时间，也代表着毕业生学业的结束。
其他信息：根据不同的专业和学位，可能会有一些特定的信息或章节。
办理(ud毕业证书)丹佛大学毕业证【微信：741003700 】价值很高，需要妥善保管。一般来说，应放置在安全、干燥、防潮的地方，避免长时间暴露在阳光下。如需使用，最好使用复印件而不是原件，以免丢失。
综上所述，办理(ud毕业证书)丹佛大学毕业证【微信：741003700 】是证明身份和学历的高价值文件。外观简单庄重，格式统一，包括重要的个人信息和发布日期。对持有人来说，妥善保管是非常重要的。
1比1定做(aub毕业证书）伯恩茅斯艺术大学毕业证硕士学历证书原版一模一样
原版一模一样【微信：741003700 】【(aub毕业证书）伯恩茅斯艺术大学毕业证硕士学历证书】【微信：741003700 】学位证，留信认证（真实可查，永久存档）offer、雅思、外壳等材料/诚信可靠,可直接看成品样本，帮您解决无法毕业带来的各种难题！外壳，原版制作，诚信可靠，可直接看成品样本。行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备。十五年致力于帮助留学生解决难题，包您满意。
本公司拥有海外各大学样板无数，能完美还原海外各大学 Bachelor Diploma degree, Master Degree Diploma
1:1完美还原海外各大学毕业材料上的工艺：水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠。文字图案浮雕、激光镭射、紫外荧光、温感、复印防伪等防伪工艺。材料咨询办理、认证咨询办理请加学历顾问Q/微741003700
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
一比一原版（BCU毕业证）伯明翰城市大学毕业证如何办理
原件一模一样【微信：176555708】【伯明翰城市大学毕业证（BCU学位证）成绩单】【微信：176555708】（留信学历认证永久存档查询）采用学校原版纸张、特殊工艺完全按照原版一比一制作（包括：隐形水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠，文字图案浮雕，激光镭射，紫外荧光，温感，复印防伪）行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备，十五年致力于帮助留学生解决难题，业务范围有加拿大、英国、澳洲、韩国、美国、新加坡，新西兰等学历材料，包您满意。
【业务选择办理准则】
一、工作未确定，回国需先给父母、亲戚朋友看下文凭的情况，办理一份就读学校的毕业证【微信：176555708】文凭即可
二、回国进私企、外企、自己做生意的情况，这些单位是不查询毕业证真伪的，而且国内没有渠道去查询国外文凭的真假，也不需要提供真实教育部认证。鉴于此，办理一份毕业证【微信：176555708】即可
三、进国企，银行，事业单位，考公务员等等，这些单位是必需要提供真实教育部认证的，办理教育部认证所需资料众多且烦琐，所有材料您都必须提供原件，我们凭借丰富的经验，快捷的绿色通道帮您快速整合材料，让您少走弯路。
留信网认证的作用:
1:该专业认证可证明留学生真实身份【微信：176555708】
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
→ 【关于价格问题（保证一手价格）
我们所定的价格是非常合理的，而且我们现在做得单子大多数都是代理和回头客户介绍的所以一般现在有新的单子 我给客户的都是第一手的代理价格，因为我想坦诚对待大家 不想跟大家在价格方面浪费时间
对于老客户或者被老客户介绍过来的朋友，我们都会适当给一些优惠。
选择实体注册公司办理，更放心，更安全！我们的承诺：可来公司面谈，可签订合同，会陪同客户一起到教育部认证窗口递交认证材料，客户在教育部官方认证查询网站查询到认证通过结果后付款，不成功不收费！
办理伯明翰城市大学毕业证（BCU学位证）学位证【微信：176555708 】外观非常精致，由特殊纸质材料制成，上面印有校徽、校名、毕业生姓名、专业等信息。
办理伯明翰城市大学毕业证（BCU学位证）学位证【微信：176555708 】格式相对统一，各专业都有相应的模板。通常包括以下部分：
校徽：象征着学校的荣誉和传承。
校名:学校英文全称
授予学位：本部分将注明获得的具体学位名称。
毕业生姓名：这是最重要的信息之一，标志着该证书是由特定人员获得的。
颁发日期：这是毕业正式生效的时间，也代表着毕业生学业的结束。
其他信息：根据不同的专业和学位，可能会有一些特定的信息或章节。
办理伯明翰城市大学毕业证（BCU学位证）学位证【微信：176555708 】价值很高，需要妥善保管。一般来说，应放置在安全、干燥、防潮的地方，避免长时间暴露在阳光下。如需使用，最好使用复印件而不是原件，以免丢失。
综上所述，办理伯明翰城市大学毕业证（BCU学位证）学位证【微信：176555708 】是证明身份和学历的高价值文件。外观简单庄重，格式统一，包括重要的个人信息和发布日期。对持有人来说，妥善保管是非常重要的。
一比一原版(ucsf毕业证书)加利福尼亚大学旧金山分校毕业证如何办理
原版一模一样【微信：741003700 】【(ucsf毕业证书)加利福尼亚大学旧金山分校毕业证成绩单】【微信：741003700 】学位证，留信认证（真实可查，永久存档）原件一模一样纸张工艺/offer、雅思、外壳等材料/诚信可靠,可直接看成品样本，帮您解决无法毕业带来的各种难题！外壳，原版制作，诚信可靠，可直接看成品样本。行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备。十五年致力于帮助留学生解决难题，包您满意。
本公司拥有海外各大学样板无数，能完美还原。
1:1完美还原海外各大学毕业材料上的工艺：水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠。文字图案浮雕、激光镭射、紫外荧光、温感、复印防伪等防伪工艺。材料咨询办理、认证咨询办理请加学历顾问Q/微741003700
【主营项目】
一.毕业证【q微741003700】成绩单、使馆认证、教育部认证、雅思托福成绩单、学生卡等！
二.真实使馆公证(即留学回国人员证明,不成功不收费)
三.真实教育部学历学位认证（教育部存档！教育部留服网站永久可查）
四.办理各国各大学文凭(一对一专业服务,可全程监控跟踪进度)
如果您处于以下几种情况：
◇在校期间，因各种原因未能顺利毕业……拿不到官方毕业证【q/微741003700】
◇面对父母的压力，希望尽快拿到；
◇不清楚认证流程以及材料该如何准备；
◇回国时间很长，忘记办理；
◇回国马上就要找工作，办给用人单位看；
◇企事业单位必须要求办理的
◇需要报考公务员、购买免税车、落转户口
◇申请留学生创业基金
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
办理(ucsf毕业证书)加利福尼亚大学旧金山分校毕业证【微信：741003700 】外观非常简单，由纸质材料制成，上面印有校徽、校名、毕业生姓名、专业等信息。
办理(ucsf毕业证书)加利福尼亚大学旧金山分校毕业证【微信：741003700 】格式相对统一，各专业都有相应的模板。通常包括以下部分：
校徽：象征着学校的荣誉和传承。
校名:学校英文全称
授予学位：本部分将注明获得的具体学位名称。
毕业生姓名：这是最重要的信息之一，标志着该证书是由特定人员获得的。
颁发日期：这是毕业正式生效的时间，也代表着毕业生学业的结束。
其他信息：根据不同的专业和学位，可能会有一些特定的信息或章节。
办理(ucsf毕业证书)加利福尼亚大学旧金山分校毕业证【微信：741003700 】价值很高，需要妥善保管。一般来说，应放置在安全、干燥、防潮的地方，避免长时间暴露在阳光下。如需使用，最好使用复印件而不是原件，以免丢失。
综上所述，办理(ucsf毕业证书)加利福尼亚大学旧金山分校毕业证【微信：741003700 】是证明身份和学历的高价值文件。外观简单庄重，格式统一，包括重要的个人信息和发布日期。对持有人来说，妥善保管是非常重要的。
一比一原版(UAL毕业证)伦敦艺术大学毕业证如何办理
UAL毕业证学历书【微信95270640】《伦敦艺术大学毕业证购买》《如何办理UAL毕业证伦敦艺术大学文凭学历》Q微信95270640实体公司，专业可靠，办理毕业证办美国成绩单,做加拿大文凭学历认证,办新西兰学位证，学位证书是什么?《制作伦敦艺术大学毕业证多少钱》《UAL学历证书丢了怎么办理》办澳洲文凭认证，办留信网认证（网上可查，实体公司，专业可靠）
(诚招代理)办理国外高校毕业证成绩单文凭学位证,真实使馆公证（留学回国人员证明）真实留信网认证国外学历学位认证雅思代考国外学校代申请名校保录开请假条改GPA改成绩ID卡
1.高仿业务:【本科硕士】毕业证,成绩单（GPA修改）,学历认证（教育部认证）,大学Offer,,ID,留信认证,使馆认证,雅思,语言证书等高仿类证书；
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VYAPAR TRENDS JUNE-2024 e-EDITION (VOL-2, ISSUE-05)
VYAPAR TRENDS JUNE-2024 e-EDITION (VOL-2, ISSUE-05)
https://ftiiassociation.org/wp-content/uploads/2024/06/VT_JUN_2024.pdf
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Basic electronics electrical and engineering unit 5 notes
Basic electronics electrical and engineering unit 5 notes
VYAPAR TRENDS JUNE-2024 e-EDITION (VOL-2, ISSUE-05)
VYAPAR TRENDS JUNE-2024 e-EDITION (VOL-2, ISSUE-05)
139137209-SMAW-Powerpoint.ppt
- 2. Weld Bead • A weld resulting from a pass Stringer Bead Weave Bead
- 3. Passes • Weld Pass - A single progression of welding along a joint. The result of a pass is a weld bead or layer
- 4. Root Pass Hot Pass Fill Pass Cover Pass
- 5. Techniques • Stringer (drag) (whip) • Weave – Circles – crescent – zig zag – box weave – double J
- 6. Progression (vertical) • Up – deeper penetration – Higher deposit rate (lb/hr) – Use near 90 degree travel angle or slightly up • Down – faster (point to point) – less penetration for thin metal – less dilution – Use steep grag angle
- 7. Travel Speed • Stay on the leading edge of the puddle
- 8. Flat Position • Fillet/Groove - stringer or weave, split bead or wide weave
- 9. Horizontal • Fillet/Groove - stringers (small weave may be used in tight place) • Bead Placement - bottom to top
- 10. Vertical • Fillet/Groove - weave (or whip but not straight stringers) • Root pass 6010 whip • Root pass 7018 straight stringer or weave (open closed)
- 11. Overhead • Same as horizontal for Fillets • 6010 open root whip for flat face and keyhole control • 7018’s stringers • OH Butt Joints can be stringers or weaves
- 12. Dimensions • Reinforcement -ASME flush 1/16 AWS flush 1/8 discuss keyholeing, metallic backing, nonmetallic backing, partial penetration, root openings, root faces, tacking, tack grinding, fast freeze, and fill freeze • Fill -as many as needed 1/8 per pass flat overload 3/16 vertical • Cover -flush 1/16 high, 1/16 past edge
- 13. 600 included angle Root faces Tacking Feather Tacks Butt Joint Preperation 1/16-1/8 (Joints without backing)
- 14. Open Root Technique • Use root opening to allow increase in amperage for smoother welding • Whip backwards for penetration • Whip forwards to reduce penetration • Do Not Weave a root pass. • Maintain a short arc gap • Stay slightly in front of the puddle at all times. Use the keyholing technique.
- 15. Root faces - 0 450 included angle Remove all mill scales and rust Tacking - not in groove Tack away from coupon area. Flush on backing Butt Joint Preperation (With Backing)
- 16. Welding grooves with Backing • Keep the root opening wide • Make the root pass in one bead • Avoid tight areas at the weld toes
- 17. Restarts •Stagger all starts and stops or use run-on, run-off tabs •Feather all restarts & start on top, or start in front and remelt •Don’t restart in a coupon area. •Also stagger all beads on a single pass. •Use a longer arc length when starting a weld. Compare interpass grinding techniques vs. techniques for no interpass grinding.
- 18. Craters • Fill craters by reversing direction at the weld end • Use a short arc length to control heat.
- 20. work angle (transverse angle) • middle of joint • directs heat between sides • may need to direct more on heavy plate
- 22. Drag Angle increases Penetration Increases crown height Push Angle gives shallow penetration, and flattens out the weld surface. Electrode Travel Angles
- 23. Electrode (arc) Placement Current takes the path of least resistance. Therefore, the arc, and resulting weld, will go where the electrode end is closest to, NOT NECESSARILY IN THE DIRECTION THE ELECTRODE IS POINTING
- 24. Arc Length •Longer arc lengths = increased puddle heat, flatter welds, deeper penetration •Shorter arc lengths = less puddle heat, flatter welds, less penetration •Use arc length to control puddle size, penetration, and burn through. •Normal arc length is 1/16” - 1/8” •Use a slightly longer arc length during a start or restart.
- 25. Helpful Tips •Clean your Welding Hood lens •Drape the cable over your shoulder or knee •Get Comfortable •Watch the puddle, not the arc •Concentrate on steady travel speed and arc length
- 26. SMAW Machine Setup • DCEP (also called Direct Current Reverse Polarity) • 77 - 150 Amp Range • #5 fine amperage setting (approximately 110 amps) • Connect work lead • Set for Constant Current (Variable Voltage)
- 27. Amperage Calculations Range: 77 - 150 Fine tune dial: 0 - 10 Desired amperage: 105 amps 150 - 77 = 73 73 / 10 = 7.3 7.3 x 6 = 43.8 43.8 + 77 = 120.8 150 - 77 = 73 73 / 10 = 7.3 105 - 77 = 28 28 / 7.3 = 3.836 Range: 77 - 150 fine tune dial: 0 - 10 dial set at: 6
- 28. Do SMAW Pipe Welding Techniques Lecture Now