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长笛制造
管道的制造要求管件的均匀性，即管子的每一单位面积都具有相同的密度和厚度，从而使振动的传递得到最好的效果。制造无缝管时，将直管转变为锥形管，使材料的伸长率不均匀；因此，在较小的头接端较厚，而较大的端部较薄，厚度差往往约为0.4mm。因此，声音的传递和平衡将受到限制。当获得锤击缝制管时，测定了其延性，并将其由一根锥形管转化为另一根锥形管，使其厚度和密度均匀，使管子的共振达到均匀。
一种成分相同的材料，即使密度被认为是相同的，但在表面上仍然存在差异，即密度最大值和密度min。在制作无缝管的过程中，经过多次退火和拉伸，导致密度较低，金属原子间的键合力较弱，而在制作成圆管头接头时，声音的扩展性也较弱。此外，锤击缝制油管的材料已经被强烈地锤打，原子之间的距离更近，键合力又得到加强，如果用这种材料制成头接，则会有更好的音响效果。
锤打的区别
有缝管和无缝管：
古老的杰作长笛是由锤缝管头接头，身体和脚接头与焊接音孔。这些长笛的音色非常温暖，是耐心与完美态度完美结合的结果。由于锤击接缝油管是非常困难和耗时的制造。维森伯格手工长笛提供的好处是，锤缝管保持维森博格手工长笛原有的经典风格和音色，这避免了制造优秀长笛的困难。
原轧管（无缝管）的制造程序一般如下：
材料获取：从材料工厂购买管材材料
用工具固定管子：把管子的一端加工成锥形
模具拉拔：液压拉管机上锥管的改造
切割：在车床上切割管子的多馀长度
抛光：为即将到来的程序抛光管身
锤缝管的制造工艺与一般工艺略有不同，具体如下：
获得材料：切割所需的梯形尺寸
管材成型：手弯成圆柱形
焊接：用高级银焊料焊接焊缝
圆整：用锤击法将焊接管绕在模具上
剩馀的程序被手工精确地固定下来
FLUTES MANUFACTURE
The manufacture of flutes requires that the tube is homogenous, that is, every unit of area of the tube has the same density and thickness so that the passing of vibration will have the best result. When making a seamless tube, the straight tube is transformed into a taper shaped one, as a result, the extensiom of material will be uneven; Therefore, at the smaller head-joint end will be thicker whereas the larger end will be thinner, thickness difference is often approximately 0.4mm. As a consequence, the deliver and balance of sound will be limited. And that when hammered seamed tube was obtained, it's ductility had been determined, and also it's transformed from one taper tube into another taper tube so that it's thickness and density would be even, the resonance of the tube could be even.
A material with the same ingredients, even though the density was thought to be identical, in face it still had difference, which is density max and density min. During the procedure of making the seamless tube, there were many times of annealing and stretching that caused the density to be lower and the bonding force between metal atoms were weaker, and also when made into a flute head-joint , the expansionary of sound is also weaker. In addition, the material of a hammered seamed tubing, had been strongly hammered, atoms were made closer to one another and bonding forces was in turn strengthened, would have better sound effect if head-joint was made of this material.
The difference between a hammered
seamed tube and seamless tube:
The old masterpiece flutes were made by hammered seamed tubing head-joint, body and foot-joint with soldered tone holes. These flutes are with fully warm tone result of perfect combination with patience and a perfect attitude. Because hammered Seamed tubing is very difficult and time consuming manufacture. The Weissenberg Handmade Flutes offer the benefit of hammered seamed tubes that keep the Weissenberg Handmade Flutes with originally classic style and tone of flutes, and this obviate the difficulty to manufacture excellent Flutes.
The manufacture procedures of Original roll tubing(seamless tube) is generally as follows:
- Obtain of material: purchase tube material from material factory
- Fix tubes by tool : process one end of the tube into taper shape
- Mould drawing: transform to taper tube on hydraulic tube drawing machine
- Cut: cut the excess length of the tube on lathe
- Polish: polish tube body for up coming procedures
Manufacture procedure of making hammered seamed tube is slightly difference from general procedure, the procedure is as follows:
- Obtain of material: cut the desired size of trapezium
- Tube forming: hand bend into a cylinder shape
- Welding: weld the seam with high grade silver solder
- Rounding: round the welded tube on a mold with hammered
- The remaining procedure is precisely fixed by handcraft
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