--- MATTHEW WATERMAN <[EMAIL PROTECTED]> wrote: > From: "MATTHEW WATERMAN" <[EMAIL PROTECTED]> > To: "Matt Waterman Motorsport Designs" > <[EMAIL PROTECTED]> > Subject: August 2002 Newsletter > Date: Mon, 12 Aug 2002 19:58:00 +1000 > > August 2002 Newsletter > > > > > > > [ Up ] [ Metal Fabrication ] [ > Composite Fabrication ] [ Design Service ] [ > Contents Page ] > > > > > Fabricated Suspension Arms > Aluminium components have been in the > spotlight the last couple of newsletters so its time > we took a look at some fabricated steel components. > In this case we are looking at a pair of lower front > suspension arms but these fabrication techniques are > also used on: > > > > REAR SUSPENSION ARMS > > PANHARD BARS > > STRUT TOWER BRACES > > ANTI TRAMP KITS. > > > Suspension arms are designed to be > strong and lightweight as well providing the best > suspension geometries i.e. camber, castor, castor > gain throughout travel, bump steer etc. While the > use of rod end bearings provides some adjustment > this is best used to fine tune the design not make a > poor or inaccurate design right. In this case the > customer specified the relative pick up points as > well as the clearance necessary around the steering > arm, which necessitated one of the arms having a > kink built in. > > With the dimensional information we > design the arms on the computer. From this we cut a > timber template (CNC profile cut so it matches our > design exactly) and test fitted this to the vehicle. > That proved all our measurements were correct and > the design was ready for manufacture. > > The threaded insert and the spherical > bearing cages were machined first from mild steel. > We do all our machining in house to ensure its > accuracy and so we are not reliant on other peoples > lead times. From our drawing an assembly jig was > then manufactured to keep the three pick up points > in the correct place. With components such as > suspension arms it in imperative that the pick up > points are accurate. Within reason what the tubes > between these do is irrelevant so we make sure the > jig is as accurate as possible by measuring and > checking against the original drawings. A jig also > allows the job to be accurately repeated so if a > customer needs a new component for any reason we can > quickly and accurately manufacture a new one. > > With the threads and bearing cage in the > correct positions the tubes that make up the arms > are cut to fit, then with all components firmly > bolted in place the whole assembly can be TIG welded > and once cool removed from the jig. It is then ready > for the powder coater. > > At this point our customer has no roll > control at the front of the racecar but rest assured > we have designed an adjustable anti roll system that > incorporates these arms. This will be the topic of a > future newsletter. > > > > Spherical Bearing, Cage and circlip: As > with rod ends we use and recommend Aurora spherical > bearings. In this case the bearing is housed in a > machined mild steel housing. The bearing is > circlipped in place making sure the circlip is on > the side of least load in the final design. > > > > > > CDS Tube, Threaded Insert and Rod End > Bearing: The tube used is commercial precision cold > drawn seamless tube (CDS) manufactured to DIN 2391. > The inserts are in hose machined to suit the tube > ID. This ensures the best possible fit to the tube. > We use and recommend Aurora rod end bearings. > > > > > > All components mounted on the jig having > been welded and cleaned up. > > > > > > Once cool the part is removed from the > assembly jig. > > > > > > Before powder coating the bearings were > set in place to test for fit. > > > > > Once powder coated the arms are now > ready for delivery. > > > > > > > Remember > > Our Job is to turn your ideas into reality > >
> ATTACHMENT part 2 image/jpeg name=LogoMain2.jpg > ATTACHMENT part 3 image/jpeg name=LogoLabel2.jpg > ATTACHMENT part 4 image/gif name=home_cmp_1black100_gbtn.gif > ATTACHMENT part 5 image/gif name=up_cmp_1black100_gbtn.gif > ATTACHMENT part 6 image/gif name=Links.htm_cmp_1black100_gbtn.gif > ATTACHMENT part 7 image/gif name=feedback.htm_cmp_1black100_gbtn.gif > ATTACHMENT part 8 image/gif name=NewsAug02.htm_cmp_1black100_bnr.gif > ATTACHMENT part 9 image/gif name=chabul1c.gif > ATTACHMENT part 10 image/jpeg name=Bearing_Cage_3_small.jpg > ATTACHMENT part 11 image/jpeg name=Link_Arm_Exploded_2_small.jpg > ATTACHMENT part 12 image/jpeg name=Front_Sus_Arms_2_small.jpg > ATTACHMENT part 13 image/jpeg name=Front_Sus_Arms_6_small.jpg > ATTACHMENT part 14 image/jpeg name=Front_Sus_Arms9_small.jpg > ATTACHMENT part 15 image/jpeg name=Front_Sus_Arms10_small.JPG > ATTACHMENT part 16 image/gif name=charulec.gif ===== PO Box 1229 Noosaville DC Australia 4566 __________________________________________________ Do You Yahoo!? HotJobs - Search Thousands of New Jobs http://www.hotjobs.com --membersozdat------------------------------------------------------- OZDAT Mailing List Please Note:- Send (un)subscribe requests to [EMAIL PROTECTED] Send submissions to [EMAIL PROTECTED] No unauthorised redistribution of this email http://www.ozdat.com/ozdatonline/index.htm http://www.ozdat.com/ozdatonline/listindex.html http://www.mail-archive.com/[email protected]/ ---------------------------------------------------------------------
