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Decades Day For Spirit Week: Keys To Laser Welding Lap And Edge Joints | Laser Focus World

The seniors also emerged as Powder Puff champs. 5 Future Career Day. At the end of the day, have an assembly and award a prize for the student who looks most like the teacher that he decided to imitate. Wrapping up Spirit Week was Decades Day! This spirit day pairs well with an abridged lesson in American history, allowing students to see what America looked like in the decade being discussed. Miss Carter went around the school to take pictures of all the classes and participate in the fun. The 50's was another favorite decade.

  1. Decade day for spirit week
  2. Spirit week culture day
  3. Spirit week days of the week
  4. Electron beam welding joint design and safety
  5. Electron beam welding joint design and maintenance
  6. Electron beam welding joint design and layout
  7. Electron beam welding joint design.com
  8. Electron beam welding company

Decade Day For Spirit Week

All photos are by Dave Porreca, D401 web/media specialist. Encourage students to integrate elements that are characteristic of their favorite teachers into their wardrobe. Thursday, Sept. 26: Decades Day — Wear some throwback clothes. We had poodle skirts, saddle shoe, and studded glasses for some of the girls and leather jackets and slicked-back hair for some of the boys. Wednesday, Sept 25: VSCO Girl / Frat Boy Day — Show off your scrunchies and frat boy look. It's time for our annual Spirit Week here at Bridgeton Christian School!

Each class was awarded spirit points for their participation in each day's theme, with the seniors coming out on top. They'd scream in excitement when they saw how their classmates had dressed up for Decades Day. Highlights of the week included the annual Powder Puff Game between the junior and senior girls Thursday night, a Spirit Assembly on Friday afternoon, the Homecoming Football Game featuring the EPHS varsity vs. Westmont on Saturday morning (moved from Friday night due to bad weather), and the Homecoming Dance on Saturday night in the EPHS Main Gym. Students can flip around their shirts, pants or skirts, or even wear their glasses on the backs of their heads. "Decades" was also the overall theme of the week. The theme was "Decades, " as students stayed after school on the Monday the 23rd to decorate the hallways in the fashion of the 1920s, '50s, '60s and '70s. Spirit Week 2020: Decades Day.

Spirit Week Culture Day

Other galleries focus on the Powder Puff / Homecoming games ( click here for those photos) and on the Spirit Assembly ( click here for those photos). PHOTO: An EPHS student dresses in the fashion of the late 1960s in keeping with Decades Day, one of the spirit days celebrated during Homecoming Week 2019. She loves to write and lead both in the Raider Review, the theater sound department, and as senior class Vice President. Turn your school into a blast from the past. This spirit day is a wonderful choice for spirit week, or an ideal activity for the days leading up to a school career day. Sophomore Class of 2022 — Adreana Duarte & Michael Uyeda. Many schools have a spirit week, comprised of themed days, leading up to major sporting events or important high-stakes tests. Each day had an individual theme, with students encouraged to dress accordingly. Students whipped out their smooth moves and funky grooves to add on to their funky fresh 'fits. Administrator and 4th Grade Teacher, Mr. Clement said it was fun watching the students come in. 2019 Halloween Spirit Week – Decades Day. Students imitate their favorite teachers on this spirit day.

Erin is also an active member of National English Honors Society and Delta Scholars. Monday was Decades Day at BCS so all the students chose an era and dressed up like someone from that time period. The 70's was a popular choice, including for our own Miss Carter. Friday, Sept 27: Class Color Day — Wear your class color.

Spirit Week Days Of The Week

Do you want a quality education and opportunities to participate in fun events like Spirit Week too? Enter your email address to subscribe to this blog and receive notifications of new posts by email. Senior Class of 2020 — Felicia Diprizio & Ben Robbs. 3 Favorite Teacher Day. Erin Edwards is a senior and a third year staff reporter and squaditor for the Raider Review. November 1st was totally tubular, to say the least! Students dress in comfort for this popular spirit day, attending school in their PJ pants and tops. Students can wear scrubs, show up in a business suit or dress as a professional athlete, showing their future career goals through their attire. Imitation is the most sincere form of flattery.

Monday, Sept. 23: 'Merica Day — Wear red, white and blue. This slideshow requires JavaScript. Before implementing this spirit day, carefully explain what is and is not acceptable, as some night clothes are not appropriate for public consumption. Schedule a visit HERE to see if Bridgeton Christian School is a good fit for your child. Enjoy some pictures of Monday's Decades Day below. The gallery below features photos from each spirit day as well as from the dance. Students flip-flop their garments for this easy-to-implement spirit day. Posted by Erin Edwards. Ask students to select a future job, and dress as someone in that occupation might. Ask students to select a decade, and dress as individuals did during that time period for this spirit day. Homecoming Court was announced at the Spirit Assembly, with the following students selected by their peers: - Freshman Class of 2023 — Kiera Tep & Abdelaziz Adies. Junior Class of 2021 — Melanie Arroyo & Chris Akers. Mrs. Hubschmitt chose another era and dressed up like Rosie the Riveter.

Posted on October 13, 2021 by Barbara Marshall. Student Council, sponsored by teachers Mr. Caleb Ankrom and Ms. Jessica Leonette, oversaw the week's activities. Spirit days allow students to break out of the monotony of the school year by having some fun and dressing in a humorous fashion. Some students may even elect to wear slippers or carry a stuffed animal around throughout the day.

Students can raid their parents' closets and brush the dust off of '60s, '70s and '80s garb, then wear the relics to school. District 401 photo by Dave Porreca (click photo to enlarge image). NOTE: To view the following photos in a slideshow format, click any of the pictures below. We saw some tie-dyed shirts and maxi skirts and bandanas.

The use of stainless steel is very common in the industry because of its corrosion resistance to many substances, gas or liquid, which contact its surface. Laser processing is required when: the size of the final assembly is too large for an EB welding chamber; some component in an assembly is incompatible with vacuum processing (such as a liquid or gas); the weld is inaccessible to an electron beam source. The pressure for partial vacuum is at 10-2 to 10-3 mbar, while hard vacuum uses a range of 10-4 to 10-5 mbar. There are two variants or modes of the main process viz., medium vacuum EBW and non-vacuum EBW. Generally no preheat is required even for welding, high conductivity materials, with EBW. This allows for a simple robot path. NDI—Leak checking, Die Penetrant inspection, Laboratory Testing and Demonstration Capabilities. Welding at atmospheric pressure almost entirely eliminates problems related to the size of a structure being welded. Most grades of stainless steels can be easily welded with the electron beam and most importantly, the welds are corrosion resistant as the parent material. Within these limits the pressure range between 10-3 and 1 torr is referred to as 'soft or partial vacuum' and from 1 to 25 torr it is called 'quick vacuum'.

Electron Beam Welding Joint Design And Safety

These methods tend to melt the material on the surface of the weld area while not achieving significant weld penetration. This results in a very concentrated (approx. There are two types of electron guns. These are caused by the quenching effect after welding and can be influenced by the width of the weld and the welding speed. CVE design systems to meet requirements with work chamber and work handling systems to suit product size and throughput. As an example, plates with complicated cooling channels for the processing industry require weld penetrations of up to 0. According to John Rugh, LBW is commonly used for welding steel sheet metal components and machined components under 1/3" to 1/2" thick. Each type of joint has its advantages and disadvantages, but the biggest advantage of the butt joint and square groove joint is its strength. This process was sufficiently large to be machined to parent metal diameter and give a smooth bore. The deflection coils, situated below the focus coil, move the electron beam in circles or more complex patterns for fusion zone improvement when supplied by appropriate voltages and waveforms. In addition to being void of atmospheric gases, some impurities actually burn away during welding, and the result is the purest, cleanest weld there is. Cross section of 75mm thick stainless steel alloys electron beam welded in a single pass wrought (L) and cast (R). The molten metal from the forward portion of the vapour hole flows around its periphery and solidifies at the rear to form weld metal as the beam moves forward along the weld line.

Electron Beam Welding Joint Design And Maintenance

As the work traverses under the beam this molten sleeve solidifies and creates the joint. Again, a deflection pattern in combination with a continuous adjustment to beam power permits the development of a robust set of welding parameters that hold up in daily production on the manufacturing floor. Industry for Use: Nuclear Physics. Compared with butt joints, such lap configurations lead to higher energy input, a larger HAZ, and more distortion. The electron beam (eb) welding process is used in a variety of industries. For this reason, the weld depth ranges from only a few tenths of a millimeter to 1 mm. Edge, seam and lap fillets are primarily used for joining sheet metal only. Puddle Welding — Figure 21. Generally, LBW has simpler tooling requirements as well, and there are no physical constraints of a vacuum chamber. The tack weld is also helpful in maintaining the concentricity of mating parts in rotary welds, although an interference fit is preferred. While each technology has its benefits, in practical terms, many component designs incorporate both EB and laser welds. "T" Joint Melt Through — Figure 13. 5 mm for thicker materials to ensure repeatable fusion that accounts for variation in production. Thanks to the high speed, the heat-affected zone (HAZ) is small and distortion is minimal.

Electron Beam Welding Joint Design And Layout

Compared to butt welding, lap welding has a larger process window, mainly because penetration depth is more flexible. Whether your requirements call for the development of a prototype part or fabrication services for large volume production, Sciaky has the right solution to meet your needs. Non-Vacuum EBW: Non-vacuum welding is done at atmospheric pressure though the EB gun must be held at a pressure of 10– 4 torr or less for stable and efficient welding. Capabilities Applied/Processes: Weld Joint Design Consultation. One of these joining methods is laser welding. Figures 2 & 4 show joint designs that provide location for the mating parts which makes assembly simpler. The process is highly standardized, with a tradition of high quality baked in. For a design engineer, this meant that a very precise weld could be applied in a highly repeatable way. It should be underlined that the erosion of cathode over time, changes in the alignment of various magnetic lenses, etc. Although Inconel may be prone to weld cracking, performing the electron beam process at a relatively slow speed ensures good mixing in the fusion zone and produces a crack-free joint. We have the capability to weld large assemblies up to 24 feet in length and 92 inches in diameter, as well as tiny parts that fit in the palm of your hand. Solutions to specific weld challenges using the EB process will be shown.

Electron Beam Welding Joint Design.Com

Larger spot sizes accommodate larger variations but require much more energy input to achieve the same weld penetration depth. This provides the ability to weld difficult or "impossible to weld" alloys. Typical welding spot sizes are from 50 to 900 µm in diameter.

Electron Beam Welding Company

EBW machinery requires frequent maintenance to function correctly. The larger ratios and fibers have a larger spot size that causes a decrease in power density and, therefore, a decrease in penetration. Elmer [45] pointed out that this could substantially vary from operator to operator and from machine to machine. With gap bridging algorithms predefined within the system controls of the RLWA, the optic has the ability via the seam tracking package to identify gaps in the joint and automatically adjust various conditions to process the joint. Acetone is a preferred solvent for cleaning the components for EBW; however acetone being highly inflammable needs to be handled very carefully. 062″ where a full fillet is required. It also allows for less material because no overlap is needed.

Gaps measuring half the upper material thickness or less can easily be addressed with both steel and aluminum, while further studies show abilities beyond that in certain situations (FIGURE 6).

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