DOCSLIB.ORG

The Union and Eastern Journal

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
The Union and Eastern Journal PLAIN AND FANCY JOB PRINTING. .» TIm AND EAVTER* JOtR*AL, Printing EatablUhment of the Subscriber. l« Centra TMCVItlOX JUoek, UUdefird, U flttod up with Praasoo and Tn* I* fflUtllD WEEKLY, FB1MT. that will enable hla u fundoh tho public wltt wwrk oocro«poMlij«*Uh<hOfr*atadeaaM- « OfflCB—No I Central Uiock. lUddeiord, oppostti meat that baa beea made within ijrw the Bid Je ford Houae yoars In this art. Order* for or«l 30 if withu j•Lai* ok rjjrcr rkixTiiro, Tkkms—*2 00 per annum, paid of Sin In C»Un * with (km month* from the time subscribing Bronte, Wd biawM In a mnir ai thlaoffice m Seals that will compare with the work trow may N» oblainnd ferorabtjr any :«|Mri -PrintiM or and tho aid 'nca 4 rania. Offlcoindty country, by »l« American Newspaper Agent ofa /am Eatin Paaaa.wlth a dispatch m T B 4»AU*a»,lho before known la thia aactioo. The authorised At{<*nl fur I hut l( Urge ia IUe oaly paper and demand for und I'tuladel tncroaolnf Iba ctliea of New T«»rk, Bo*ton, UNION CARD PRINTINO,—- ia lo Iwke advertise THE phia, and duly empowered IIm induced the bubocrtbor to purchase a Machine f*r at the name rales re Meul* and subscriptions CutllHf Card-Hoard, And purdUalog the board of the quired by ua. Hia offices are—AW York, Tn manufacturer* In larf* q uauUiie*, bo U enabled U answer bane Baildtum*; Hottom, Building JOURNAL. all order* In thia branch of tho buaincaa to tha moot per- Scollay's £A3?£ftft N. W. corner Third and (Jiicauu fect aatlsfkction. Card-board ot all oolora and quality U- FktlatttifAta, on band. Order* IVir any kind of Job IVlnUnc ilnMl. wajrs XT VOL X.—NO. 36. *ont by 8ia|* or fcrwardad by Mail promptly answers* SEPTEMBER. 1854. 1 Csioa aid JoiaiAL Ornca. L> 0. COWAN. Editor and ltlDDEFORD, FRIDAY, • 8, u ) <i // l/. '/. if o } MARCUS WATSOM, Prlaier. LOUIS 0. COWAN, Proprietor. of his wif« forced him.— •' I would show 0110, THE BRIDE more and though hie heart was henry, of it. To Dmtrot TmsTtiw.—The Conadu This- the imase upou Come, Malcolm, yon ANGEJ, hope POETRY. what can make " rROM TIIK MM. (Mr A LATK rilTKICTAN. kindled a entile in hit m ers lo see profit they It's a little Ton and frolic. Whose more before we bright manly face, can Is subdued, if car. be spot go. all tle they only 1 he entered the where he had need, ill these time*, they easily ploughed. Got out with non- man hi* staff and was tha of ft aum Utile They to stock business is ill your The old leaned upon It evening— evening parlor, I CANNOT CALL HER MOTHEB. method ha* the recoinineiula- Plow in the fall mid sow wheat,und and ao hour* in L'et, and thia sense." moved * on among the graves, mer Sibhnth. siweet hush of nature •pent many oxquieito happincaa. .—Murk d<>wn heavy with red clover and tiinn- lowly jTbe from tho tion ol little ouday if an> larg«' the husband th»» follow. At length bv a sound life lie had alighted stage juat before BY MBS. • A lull T. BOLTU*. requiring us is Ami thus youns iiivoluninrily did youth unbroken tingle of bu»y In the as soon the ground speakin«; it entered the and at anca Lune thy. spring, hands as a where two but too with tbe village proceeded Express. sow and father cloned his though he i»poi graves lay harmonized ptinfnllj op or tho cluvur is two inches high, Ihey stopped by I to ihe reeidence of The rite i« over. 1 dry, the he slabs were of : >t illness tbo chum marriafe fr>>in one-half woold hold on U|Hi(i leeling had Itied nide by side. The marble, w/iich pervaded Lucy. And though I turned asule, as much as you plea-e, pies.«ive A* Mrs enterei the mom, tho smile Grass Seed in the Pall. }ilas>er to and then he haMened on. At n>ul ^listened in llie moonlL'hl. (kt whither were bent. Il was M»y To Wh I mm ii Sowing four bushels acre. Get wheat expiess, my footstep? keep kuoI> wfin| ill per your '• I on her fur her face told a lie reached the mid here lie the sexton, in a tlie flour of n residenco in the lath'd, pale end The I ears 1 ton Id nut In.le, Eon Kimal:—A» I believe muuh in* as as ; let tho clover leii^ili tavern, Malcolm," sj>oktf deep | ground j.roity lijm ofT early pos»ihle grow " when I tula to his heurt. t wreathed Imv m muling, in f found his The launh and the hoarse I remember well outskirts ul the ullage of 0 Its o|>cti my fuiillation be ^amed faimeis, us late in the fall ss it is convenient; then companionf. fii?»j»er. " may by was dear havo the And led little brotlier ex* and ere Ioiiu Malcolm, made I mm graven. There i(0 por* windows overlooked a where taste Chtrence, Clarence, you my interchan^ini; thoughts and let but calves or on to it, joke commenced, tb»*se j garden lather's In-qnently n<*ti)in>c yearlings — welcome of fond hearts." To «reet my rhoaen, all alxiut his home. Ho bat in .the row lo fill the beds whieh here I made, for and beauty supreme a second in lelatiou to the vauous to the forgot reigned " But I c«Hild not call Iter mother. penence subjects, nor let i' he led more than keep vour just the wit made food for who here died amid the sweet with a Scarce How is ? Why ia f»ice deadly 11.mi lo 1 be'ter vou can haurooin, and slurp they GJhii wlncb extended percep- Lucy «h i-h |if their vocation, |>r< i»use mice from nesting in it. Tho »leep ahe ia not Bhe is a fair creator**, merriment. breathing* of and honor. do1 locution to the ul a Oh, aay d.mgeroudy .ill.; youn* a few wot in (elation to the in* make tho clever the more fatal to iho much peace They tible very margin pule? a meek an i cayin^ grow, " " a of entered With tjrmle air, dp Who there'* danger in the bowl ? wore virtuous ami when where it was bounded a white tell raeM—und thought mieery of our J. R P. ill says gtood, people, they stream, by " With hlite eyea aol\ ai»«t loving, \ corre»|>oiideul thistle —Oermmtouit Ttltgrnyk. ahe tnt Fa- quiries n as be raised the to weie our townsmen mourned, for our a or low trimmed hta heurt; ia—Uh, my God, hair. the 1 cried man, glass gone hedga And silken, Minny ihf laat No. of the Rikil, regarding ■ !1 young picked and.by tier liia village had lost two of ila moot noble over which the the tlior in Heaven, ativngthen uio,—ahoua dy- I know my lather itivv down of land. Your correi-jKJiident lips. spirits. shrubbery, eye cuugi.t t .i1 »» aet*duii* rroi of The low he bore or IS. the raven's said another 0, T love to come and stand over these waters ua another, »tale* thai he cannot "clover herds MISCELLANEO "It's k," flashing they swept.un, glowing fiiH if she. were an get to the smiles Nav. Clarene," a.iid tho mother, augcl, u< hit "Here's confusion craves, for I know'that God upon in tha crimson radiance of the »un«et. nay, 1 10 when «i»u with oats, companions. " I could nut call tier mother. yia.»a 'catch,' • and we mutt them ! There is no no dishonor here. en die house und soothingly, Lucy Htm, hope to the time-houoied idea" tainl, I ered siep|»ed lightly cording custom," THE OLD MAN'S LESSON. " lor the beat: but lie not ularined if ace 41 Mslcolin Warren, do know who ic»t in the&e u at you I heard her sinking 1 is sowing it wnh the Good! exclaimed Malcolm, you along carpeted passage, tupped softly To-nighi I which, aU|ipo»e, " fuco even thnn own. Are A suiiK 1 il»ed IO lo*e, A TEMPERANCE Pit ETCH. in the bowl ? two — liar pnler my you Farmers aie his #lass Poisiou grave*1'' the door of the t'buuiber of sickness aye " notes were uttered ill thtf yeneml- 7 * 1 lo hour the now t When it> irwrvl [l{raiii >|)iins. at old A<lam. now. The did not nor did he ul tl J»le to new man* 11 nut onsense ! Look Uncle youth answer, dtufb. her who ■inip» nlwe ; adopt any .Malcolm. I woiiMu'I go to>ni^ht.— Kiisiny There wm hut little consolation to ht-« By ly quite m«iiap«>t-d used it all and he i« the raise his head, but wiih one wild said tbe tl heart to hear it. net of the routine of their la* with me thin He's deep, y Welcome, doctor,1, silvery pained ni) :>eiloitiling Come. hi«v evening." hj« l^'i^ie, to aerobe fears in the of Mra. wna f oliiM mart lit town. here'® Uncle he sank and there'h* lay voice of a who sat a low couch, reply May. Lucy And my tears I could nut »mother, the Uilutea in my own •• Not t«v»*ninu, Ali.w. ) )i.«»o prom* Come, orj down, lady, by par- bora,—out repealed f/1i.i " hot there was an in the ex* For word was hJlowed Adam." both the graves and sobbing like with wliit* Wel- living, anguish every case, and that of my neighbors, to »et land ised to meet Mime fiienda this evening, and weeping tially hun<4 drapery.
Load more

Recommended publications
  • Radel® PPSU, Udel® PSU, Veradel® PESU & Acudel® Modified PPSU
    Radel ® | Udel ® | Veradel ® | Acudel ® Radel® PPSU, Udel® PSU, Veradel® PESU & Acudel® modified PPSU Processing Guide SPECIALT Y POLYMERS 2 \ Sulfone Polymers Processing Guide Table of Contents Introduction ............................. 5 Part Ejection . 14 Draft . 14 Ejector pins and/or stripper plates . 14 Sulfone Polymers........................ 5 Udel® Polysulfone (PPSU) . 5 Injection Molding Equipment ............. 15 ® Veradel Polyethersulfone (PESU) . 5 Controls . 15 ® Radel Polyphenylsulfone (PPSU) . 5 Clamp . 15 ® Acudel modified PPSU . 5 Barrel Capacity . 15 Press Maintenance . 15 Resin Drying . .6 Screw Design . 15 Rheology................................ 8 Screw Tips and Check Valves . 15 Viscosity-Shear Rate ..................... 8 Nozzles . 16 Molding Process . 16 Resin Flow Characteristics . 9 Melt flow index . 9 Polymer Injection or Mold Filling . 16 Spiral flow . 9 Packing and Holding . 17 Injection Molding . .10 Cooling . 17 Molds and Mold Design .................. 10 Machine Settings ....................... 17 Tool Steels . 10 Barrel Temperatures . 17 Mold Dimensions . 10 Mold Temperature . 18 Mold Polishing . 10 Residence Time in the Barrel . 18 Mold Plating and Surface Treatments . 10 Injection Rate . 18 Tool Wear . 10 Back Pressure . 18 Mold Temperature Control . 10 Screw Speed . 18 Mold Types . 11 Shrinkage . 18 Two-plate molds . 11 Three-plate molds . 11 Regrind ............................... 19 Hot runner molds . 11 Cavity Layout . 12 Measuring Residual Stress ............... 19 Runner Systems . 12 Extrusion............................... 22 Gating . 12 Sprue gating . 12 Edge gates . 13 Predrying ............................. 22 Diaphragm gates . 13 Tunnel or submarine gates . 13 Extrusion Temperatures ................. 22 Pin gates . 13 Screw Design Recommendations . 22 Gate location . 13 Venting . 14 Sulfone Polymers Processing Guide / 3 Die Design ............................. 22 Extruded Product Types . 23 Wire . 23 Film . 23 Sheet . 23 Piping and tubing . 23 Start-Up, Shut-Down, and Purging .......
    [Show full text]
  • Cast Irons from Les Forges Du Saint- Maurice, Quebec a Metallurgical Study
    Cast Irons from Les Forges du Saint- Maurice, Quebec A Metallurgical Study Henry Unglik Environment Canada Environnement Canada Parks Service Service des pares Cast Irons from Les Forges du Saint- Maurice, Quebec A Metallurgical Study Henry Unglik Studies in Archaeology Architecture and History National Historic Parks and Sites Parks Service Environment Canada ©Minister of Supply and Services Canada 1990. Available in Canada through authorized bookstore agents and other bookstores, or by mail from the Canadian Government Publishing Centre, Supply and Services Canada, Hull, Que­ bec, Canada Kl A 0S9. Published under the authority of the Minister of the Environment, Ottawa, 1990 Editing and design: Jean Brathwaite Production: Lucie Forget and Rod Won Parks publishes the results of its research in archaeology, architecture, and history. A list of publications is available from Research Publications, Parks Service, Environment Can­ ada, 1600 Liverpool Court, Ottawa, Ontario K1A 0H3. Canadian Cataloguing in Publication Data Unglik, Henry Cast irons from les Forges du Saint-Maurice, Quebec: a met­ allurgical study (Studies in archaeology, architecture and history, ISSN 0821-1027) Issued also in French under title: Fontes provenant des Forges du Saint-Maurice. Includes bibliographical references. ISBN 0-660-13598-1 DSS cat. no. R61-2/9-48E 1. Forges du Saint-Maurice (Quebec) — Antiquities. 2. Iron­ works — Quebec (Province) — Saint Maurice River Valley — History. 3. Cast-iron — Analysis. I. Canadian Parks Service. National Historic Parks and
    [Show full text]
  • Additive Tooling Simplifies the Mold Build Process – 18 Conformally Cooled Sprue Bushings Reduce Cycle Time
    ENGINEER / BUILD / MAINTAIN Additive Tooling Simplifies the Mold Build Process – 18 Conformally Cooled Sprue Bushings Reduce Cycle Time – 22 Best Practices for Improving Measurement Accuracy – 30 Revisiting Some Hot Runner Fundamentals – 36 FEBRUARY 2020 / VOL. 23 / NO. 2 A property of Gardner Business Media “Progressive’s Inserted Bar Locks provide perfect alignment for even our largest tools, which perform in harsh conditions.” Oswaldo Roman, Inland Die Casting Company align with the leader When producing tight tolerance parts for the automotive industry, Inland Die Casting Company knows that taking shortcuts today will lead to problems tomorrow. Progressive’s Inserted Bar Locks are designed to go the distance: • Largest, standard alignment lock in the industry • Designed for mold weights from 25,000 to 75,000 lbs • Utilizes exclusive Z-Series technology for longevity Don’t let inferior components bench your tools. Contact our Engineering team at 1-800-269-6653 to discuss how the Progressive advantage can generate profits for you. VISIT THE NEW PROCOMPS.COM FOR ENHANCED E-COMMERCE AND CAD GEOMETRY AVAILABILITY A CONTROL FOR EVERY GENERATION. For over 50 years, Hurco has been empowering machinists of every generation with cutting-edge control technology that’s easy to learn and easy to use. See which one of our 65+ models of CNC machines is right for you. Hurco.com/MyGeneration Double Column Boring Mills Horizontals 3-Axis Vertical 5-Axis Double Column Bridge Turning Centers Hurco Companies, Inc. | One Technology Way | Indianapolis, IN 46268 | 800.634.2416 | [email protected] | HURCO.com | Machines shown with options. Information may change without notice.
    [Show full text]
  • Ingot Cleanliness Improvements Using Sprue Extensions Beyond the Mold Outlet
    Ingot Cleanliness Improvements Using Sprue Extensions Beyond The Mold Outlet Ryan VanderMeulen ArcelorMittal Coatesville April 11, 2012 ArcelorMittal USA Locations Research Center Burns Harbor Cleveland Lackawanna Indiana Harbor Riverdale Coatesville Hennepin Conshohocken Columbus Coatings Newton Weirton Georgetown Steelton Steelmaking and processing facilities Processing facilities Research center 2 ArcelorMittal USA Plate Production Locations Indiana Harbor Cleveland Riverdale Conshohocken Burns Coatesville Harbor, Gary Steelmaking, Rolling, Heat Treating: Rolling & Heat Treating: Steelmaking: Burns Harbor, Coatesville Conshohocken, Gary Indiana Harbor, Cleveland, Riverdale 3 Plate Mills Production Focus • Burns Harbor – 160” – larger, TMCP, Q&T, precise weight – 110” – commodity to 1” – 160” @ Gary – commodity to 1.5”, Q&T • Conshohocken – 110” - commodity, thin, Q&T • Coatesville – – 140” - heavy, varied chemistries, Q&T – 206” - very wide and heavy, Q&T 4 Production Focus • East Clad, Flamecut, Conversion Most alloy and Q&T Very clean steel Very wide or heavy plate Light thickness plate Small special orders • West Control rolled Precise weight Special surface requirements Very large orders Heat Treated Commodity 5 ArcelorMittal USA Operations Coatesville Steelmaking Process Plan Electrodes Automatic Automatic Alloys Alloys Wire Feed Argon Stirring Argon Stirring Ladle Furnace Ladle Degasser Continuous Bottom Cast Slabs Poured Ingots Ladle Electric Arc Furnace 6 Ingot Casting Coatesville • Bottom pouring • Hot topping • Argon shrouding
    [Show full text]
  • Hell on Wheels
    MercantileEXCITINGSee section our NovemberNovemberNovember 2001 2001 2001 CowboyCowboyCowboy ChronicleChronicleChronicle(starting on PagepagePagePage 90) 111 The Cowboy Chronicle~ The Monthly Journal of the Single Action Shooting Society ® Vol. 21 No. 11 © Single Action Shooting Society, Inc. November 2008 . HELL ON WHEELS . THE SASS HIGH PLAINS REGIONAL By Captain George Baylor, SASS Life #24287 heyenne, Wyoming – The HIGHLIGHTS on pages 70-73 very name conjures up images of the Old West. chief surveyor for the Union Pacific C Wyoming is a very big state Railroad, surveyed a town site at with very few people in it. It has what would become Cheyenne, only 500,000 people in the entire Wyoming. He called it Cow Creek state, but about twice as many ante- Crossing. His friends, however, lope. A lady at Fort Laramie told me thought it would sound better as Cheyenne was nice “if you like big Cheyenne. Within days, speculators cities.” Cheyenne has 55,000 people. had bought lots for a $150 and sold A considerable amount of history them for $1500, and Hell on Wheels happened in Wyoming. For example, came over from Julesburg, Colorado— Fort Laramie was the resupply point the previous Hell on Wheels town. for travelers going west, settlers, and Soon, Cheyenne had a government, the army fighting the Indian wars. but not much law. A vigilance com- On the far west side of the state, mittee was formed and banishments, Buffalo Bill built his dream town in even lynchings, tamed the lawless- Cody, Wyoming. ness of the town to some extent. Cheyenne, in a way, really got its The railroad was always the cen- start when the South seceded from tral point of Cheyenne.
    [Show full text]
  • The Lost-Wax Casting Process—Down to Basics by Eddie Bell, Founder, Santa Fe Symposium
    The Lost-Wax Casting Process—Down To Basics By Eddie Bell, Founder, Santa Fe Symposium. Lost-wax casting is a ancient technique that is used today in essentially the same manner as it was first used more than 5,000 years ago. As they say, there's no messing with success. Today, of course, technology has vastly expanded the technique and produced powerful equipment that makes the process faster, easier and more productive than ever, but the basic steps remain the same. The steps below represent a simple overview and are intended to provide a beginning understanding of the casting process. Concept This is obviously where the design is initally conceived, discussed,evolved, and captured on paper—or on computer; CAD (computer aided design) software is increasingly popular among designers. You create the design you envision using the computer tool and the software creates a file that can be uploaded into a CNC mill or 3D printer. Model Build a model, either by hand-carving, guided by the paper rendering, or by uploading the CAD file into a computer controlled milling machine or a 3D printing machine. Models are made using carving wax, resin or similar material. This process can also be done in metal by a goldsmith or silversmith. Note: If a 3D printer or other rapid prototyping equipment is used, it is possible to skip the molding and wax-injection steps by using one of the resins that are specially made to go directly to the treeing process. Molding Create a mold from your master model, placing it in one of a variety of rubber or silicone materials, curing the material, then removing the model from the finished mold.
    [Show full text]
  • Gating and Feeder Design of Aluminium Alloy (6061 T6) Casting for Circular Component
    International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056 Volume: 05 Issue: 06 | June 2018 www.irjet.net p-ISSN: 2395-0072 Gating and Feeder Design of Aluminium Alloy (6061 T6) Casting for Circular Component 1 Anshul Tiwari, 2 Aakash Singh Bhadauria 1,2 Department of Mechanical Engineering ITM University Gwalior (M.P) India --------------------------------------------------------------------***-------------------------------------------------------------------------- Abstract: Sand casting is an oldest technique to achieve (ii) material specification (iii) Design of gating system (iv) Design of feeder system Furthermore, porosity which is a required shape, Every Foundry Industries Requires Minimum common defect in every casting also caused from improper Rejection of Component, Rejection Is Caused by Undesired design of gating system The basic element of gating system Uncertainty Found in Component’s. Quality of casting is are pouring basin, sprue, runners, ingate and, it is a series depends upon flow of molten metal through gating system. of passages in which the molten metal flows into the Improper gating design is mainly responsible for the turbulence mould cavity to produce the castings for minimizing and also responsible for shrinkage porosity. In other words, degradation in metal quality and for minimizing the molten metal should enter into the mold cavity within occurrence of shrinkage porosity during the solidification. The proper feeding of the molten metal into the mould solidification time of melt, so proper design of gating system is cavity has been very problematic especially when it essential. Proper gating system design reduces the turbulence involves castings with thin sections. In order to properly in the flow of molten metal, it also minimize air entrapment, feed the molten metal into the mould cavities of these thin sand inclusion, oxide film and dross.
    [Show full text]
  • We Cover Your Infrastructure®
    MUNICIPAL AND CONSTRUCTION ACCESS SOLUTIONS CORPORATE CAPABILITIES WE COVER YOUR INFRASTRUCTURE ® A of Innovation Family TraditionEast Jordan Iron Works, Inc. has been a part of the East Jordan, Michigan, community for over 125 years. William E. Malpass and his father-in-law, Richard W. Round, established the foundry November 8, 1883, to service the area’s booming lumber industry. At the time, the foundry produced castings for machine parts, ship parts, agricultural uses, and eventually railroads. Soon after the company was founded, W.E. Malpass called upon his brother James, a journeyman machinist in England, to join the firm. When the lumbering era came to a close, EJIW expanded into new markets allowing continued success in changing times. The company shifted to the production of street castings, water works valves, and fire hydrants. In the 1920s and 30s William E. gradually transferred management to his three sons, William Henry “Will” Malpass, Richard Ward “Dick” Malpass, and Theodore Edward “Ted” Malpass. As technology advanced during the 1950s and 60s, the third generation of leadership emerged. Will’s son, W.E. “Bill” Malpass, and Ted’s son, F. Bruce Malpass, converted the foundry to a completely automated, high-pressure molding line known as the Taccone Line. The new highly sophisticated equipment maximized production capabilities for the foundry. Since the mid-1980s the business has been led by the fourth generation: Fred Malpass, son of Bill Malpass, and Tracy and Tad Malpass, sons of F. Bruce Malpass. They have trans- formed EJIW into an international leader of construction castings by modernizing its facili- ties, acquiring and establishing additional branch operations, and developing an umbrella of companies known as the EJ Group®.
    [Show full text]
  • Metal Casting Terms and Definitions
    Metal Casting Terms and Definitions Table of Contents A .................................................................................................................................................................... 2 B .................................................................................................................................................................... 2 C .................................................................................................................................................................... 2 D .................................................................................................................................................................... 4 E .................................................................................................................................................................... 5 F ..................................................................................................................................................................... 5 G .................................................................................................................................................................... 5 H .................................................................................................................................................................... 6 I ....................................................................................................................................................................
    [Show full text]
  • An Example in Steel Casting the One Person Hitch Housing for the 2 ½ and 5 Ton Trucks
    An Example in Steel Casting The One Person Hitch Housing for the 2 ½ and 5 Ton Trucks The Application – The one person hitch housing is part of an improved hitch/frame design for the military’s 2½ and 5 ton trucks, used for towing weapons systems, cargo trailers, and other payloads. The hitch housing acts as an alignment and locking fixture for connecting the trailer tow hook to the truck tow bar. Through a redesign of the housing to provide lateral motion to the tow bar during hook-up, the new hitch permits one-person operation, reduces hitch-up time, and provides for safer handling. Hitch Housing Description The hitch housing assembly is attached to the truck frame. The towing draw bar moves within the assembly during hook-up, which permits the draw bar to “swing” laterally to align with the trailer tow bar. After the trailer is connected, the draw bar self-aligns and locks in the hitch housing for towing. 1 The Challenge The hitch housing has a plate geometry with vertical alignment bars and rib stiffeners. It weighs approximately 60 lbs with nominal dimensions of 18” x 20” x 5”. The housing is made with SC 8630 steel and sees loads as high at 15,000 lbs (for the 5 ton truck). The first prototypes of the hitch housing were fabricated steel assemblies, consisting of more than 35 pieces bolted and welded together. The assembly required 4-6 hours of alignment effort during installation. The projected production cost of the steel fabrication assembly was $5000 per unit.
    [Show full text]
  • Welding ABSTRACT Units Are General Safety, Basic Metalworking Tools, Layout, Bench Metal Casting, Welding, Metal Finishing, Plan
    DOCUMENT RESUME ED 223 837 CE 034 374 TITLE lndustrial Arts Curriculum Guide in Basic Metals. Bulletin No. 1685. INSTITUTION Louisiana State Dept. of Education, Baton Rouge. Div. of Vocational Education. PUB DATE Sep 82 NOTE 127p.; For related documents, see CE 034 372-375. PUB TYPE Guides Classroom Use Guides (For Teachers) (052) EDRS PRICE MF01/PC06 Plus Postage. DESCRIPTORS Behavioral Objectives; *Course Content; Curriculum Guides; Equipment Utilization; Hand Tools; *Industrial Arts; Instructional Materials; Learning Activities; Machine Tools; Metal Industry; *Metals; *Metal Working; Planning; *Program Implementation; Safety; Secondary Education; Sheet Metal Wolk; *Trade and Industrial Education; Vocational Education; Welding IDENTIFIERS *Louisiana ABSTRACT This curriculum guide contains operational guidelines to help local-administrators, teacher educators, and industrial arts teachers in the State of Louisiana determine the extent to which their basic metals courses are meeting the needs of the youth they serve. It consists of a discussion of course prerequisites, goals, content, and implementation as well as 16 units devoted to various subject areas addressed in a basic metals course. Covered in the units are general safety, basic metalworking tools, layout, bench metalwork, sheet metal, art metal, ornamental metalwork, forging, metal casting, welding, metal finishing, planning, careers in metalworking, and basic metals projects. Each unit contains some or all of the following: objectives, time allotments, suggested topics, student activities, teacher activities, resources, and a unit inventory listing necessary tools and equipment. Among those items appended to the guide are safety rules, steps in making a layout, samples of basic metals projects, a sample student-planning sheet, suggestions for measuring achievement, sample test questions, techniques for conducting classes and for motivating students, and a list of resource materials.
    [Show full text]
  • 3.6 Naturally Pressurized Gating Systems in Investment Castings
    Naturally Pressurized Gating Systems in Investment Castings David Poweleit, Diana David - SFSA Rod Grozdanich - Spokane Industries Richard Hardin, Christoph Beckermann - University of Iowa Laura Bartlett - Missouri University of Science and Technology Robin Foley, John Griffin, Charles Monroe - University of Alabama at Birmingham Introduction Investment castinGs are commonly considered to have fewer issues with inclusions (reoxidation). On one hand, this seems counterintuitive Given that the pouring and gating for a typical investment castinG involves metal rapidly beinG poured down a lonG, large sprue (tree) and then oftentimes fillinG the mold cavity with additional “waterfalls”. Thus, it would seem that the increased opportunity for interaction between the molten steel and air would promote the formation of inclusions. That said, typical investment castinGs do offer some opportunities. Wall sections are generally thin and quick to solidify, which would limit time for inclusions to agglomerate and float up. In addition, the ceramic shell of an investment castinG is sintered and provides an inert atmosphere unlike sand castings where mold-metal reaction must be manaGed. Based upon on-going SFSA research and continued efforts by SFSA members to develop process improvements, a SFSA team of members and researchers began to discuss opportunities for utilizing a naturally pressurized gating system for investment castings. As of early 2019, those involved were only aware of one instance where a foundry utilized bottom gating of an investment casting, but not truly a naturally pressurized gating design for investment castings. The team discussed factors that need to be considered in developinG a naturally pressurized gating system. Unlike in traditional investment castinG riGGinG where it has a center tree / sprue that also acts as the riser, we needed to consider having a separate sprue and a feeder.
    [Show full text]