![]() ![]() After they are wound in place, they are resin-impregnated and cured. The process involves a pretty intricate machine to weave the fibers. Actually, they are more woven than wound spirals in both directions are applied simultaneously and woven together. Instead, the individual fibers (filaments) are wound in a spiral onto a mandrel. In fact, sheet-wrapped graphite shafts do tend to have more spine than other types of shafts.įILAMENT WOUND GRAPHITE - These shafts don't use a pre-preg. Hence there is a potential for a spine some directions have more fiber layers than others. The discontinuity at the beginning and end mean that the shaft is slightly stiffer where the extra layer is. Sheets that are wrapped onto the mandrel have a beginning and an end. The number of layers of each kind (and the properties of the fibers) will determine the bending and torque profile of the shaft. Several sheets of pre-preg, with the fibers in different directions, are wrapped onto the mandrel in multiple layers. They are held together in a sheet by being impregnated with a resin. SHEET-WRAPPED GRAPHITE - (This is also referred to as "flag-wrapped".) This approach involves taking a sheet of woven carbon fibers and wrapping it around a rod called a "mandrel". Straightness and roundness are also an issue in mass-produced steel golf shafts, and the puring process takes all of these factors into account. The location of this weld seam greatly affects the way the shaft performs. The ends of the steel are welded together to form what is called a weld seam. Do steel shafts need puring? Definitely Steel shafts are made by heating a flat piece of steel and wrapping it around a template called a mandrel. The major manufacturers of steel shafts seem to have figured out how not to let the seam interfere with directional uniformity of stiffness. WELDED STEEL TUBING – Today, just about all steel shafts are made by bending sheet steel into a tubular form and welding it. ![]() The major processes for manufacturing golf shafts, and see what sort of spine we can expect from each. There are two lines we want to find using this tool. ![]() Use two steps to determine the optimum position to install the shaft in the Here is how we at Golfclub-technology arrive at this plane or SPLINE: Taking these three readings, we then can find what we call the SPLINE, and install it into the clubhead in the proper manner. By SPLINING your shaft, the clubface will open and close when you want it to, not when the shaft wants it to. Here is our, KISS takes on puring, and it has worked for us for over fifteen years. The best and easiest way to explain spine aligning, puring, flo-ing, or symmetrical shafting, is our process of finding three characteristics of a shaft the direction of maximum stiffness of the shaft, which we refer to as the SPINE, the natural and least point of resistance of a golf shaft, which we refer to as the NBP, and the plane of the shaft that when it is vibrated back and forth, its direction is on a flat line, rather than wobbling out of line, which is referred to as the FLO. rule say about all this? Try researching this subject on the internet, and you are sure to be confused and frustrated. Much has been written about patents, where the SPLINE or NBP (natural bending position) should be placed in relation to the installation of the shaft, what should they be called, should you FLO it, what does the U.S.G.A. Here is where this study of puring and making all golf shafts symmetrical gets real messed up throughout the golf industry. Into the club head, so that the SPLINE is facing the target Here is a great video on Puring courtesy of Champion Golf Once located, the SPLINE of the golf shaft is positioned ![]() The process works on any golf shaft, regardless of its material Symmetrical, locates the most stable orientation in any shaft, sometimes called Inconsistencies can negatively or positively affect a shaft’s performance,ĭepending on how the shaft is aligned in the club head. Making your golf shafts That are inherent to the manufacturing process. Every shaft contains irregularities in straightness, roundness and stiffness Like snowflakes, no two golf shafts are exactly the ![]()
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