Sectioned Raising & Assembly for Large Sculpture
大尺度雕塑分段起凸与拼装
标签：分段起凸, 大件, 拼装焊接, 公共雕塑
超过 1.5 m 的起凸件受板料规格与人力限制需分段制作：按锤纹走向与结构分缝（每段 ≤1.2 m），各段起凸后对装胎校形，缝隙用氩弧焊对接并锉修后整体抛磨消除接痕。分段面避开视觉主面并沿等高线走向，锤纹跨缝连续性靠「先对装标记、后统一补锤」保证。内部焊接骨架承载，外壳与骨架用 316 不锈钢螺接留热胀缝 2–3 mm。
Raisings over 1.5 m are built in sections (each ≤1.2 m) split along hammer-mark and structural lines, formed separately, fitted on a buck, TIG welded, filed and blended to erase seams. Place seams away from primary sightlines along contour lines; continuous hammer marks come from marking the fit-up first, then hammering across the joint as one. An internal stainless frame carries load, bolted with 2–3 mm thermal gaps. ---