分模候选方案
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+28
-180
@@ -310,43 +310,6 @@ class AluminumFoamMoldGenerator(BaseMoldGenerator):
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1. 优先选择 Z 轴方向分型（上下开模）
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2. 分型面位置选在产品的最大轮廓处，即包围盒的 Z 方向中心
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"""
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<<<<<<< HEAD
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primary_parting = self._detect_primary_parting(shape, analysis)
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parting_surface = primary_parting["surface"]
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parting_line = self.optimize_parting_line(primary_parting["line"])
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primary_direction = primary_parting["direction"]
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additional_surfaces = []
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bbox = analysis["bounding_box"]
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center = bbox["center"]
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dims = bbox["dimensions"]
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max_dim = max(dims)
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min_dim = min(dims)
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if max_dim / min_dim > 5:
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vertical_plane = gp_Pln(gp_Pnt(center[0], center[1], center[2]), gp_Dir(1, 0, 0))
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try:
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vertical_surface = BRepBuilderAPI_MakeFace(vertical_plane).Face()
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additional_surfaces.append({
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"surface": vertical_surface,
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"direction": [1, 0, 0],
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"reason": "产品扁平，需要垂直分型"
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})
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except Exception:
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pass
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=======
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# 1. 尝试 AI 模型
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if self.ai_parting_detector is not None:
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try:
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ai_result = self.ai_parting_detector.detect(shape, analysis)
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if ai_result:
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return self._create_parting_surface_from_ai(ai_result, analysis)
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except Exception as e:
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logger.warning(f"AI 分型面检测失败: {e}")
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# 2. 泡沫模具强制 Z 轴方向分型（上下开模）
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bbox = analysis["bounding_box"]
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center = bbox["center"]
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primary_direction = [0, 0, 1] # Z 轴方向
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@@ -364,26 +327,40 @@ class AluminumFoamMoldGenerator(BaseMoldGenerator):
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logger.info(f"泡沫模具 Z 轴分型面: Z={parting_z:.2f} mm (包围盒中心)")
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# 3. 计算分型线
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parting_line = self._calculate_parting_line(shape, parting_surface)
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>>>>>>> 77c4885a4020b609f4964184661f42e936814c4f
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parting_line = self.optimize_parting_line(
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self._calculate_parting_line(shape, parting_surface)
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)
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additional_surfaces = []
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dims = bbox["dimensions"]
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max_dim = max(dims)
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min_dim = min(dims)
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if min_dim > 0 and max_dim / min_dim > 5:
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vertical_plane = gp_Pln(
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gp_Pnt(center[0], center[1], center[2]),
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gp_Dir(1, 0, 0),
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)
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try:
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vertical_surface = BRepBuilderAPI_MakeFace(vertical_plane).Face()
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additional_surfaces.append({
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"surface": vertical_surface,
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"direction": [1, 0, 0],
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"reason": "产品扁平，需要辅助垂直分型参考",
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})
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except Exception:
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pass
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return {
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"primary_surface": parting_surface,
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"primary_line": parting_line,
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"primary_direction": primary_direction,
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<<<<<<< HEAD
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"confidence": primary_parting["confidence"],
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"method": primary_parting["method"],
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"additional_surfaces": additional_surfaces,
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"surface_count": 1 + len(additional_surfaces)
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=======
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"confidence": 0.95, # Z 轴分型置信度高
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"additional_surfaces": [],
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"surface_count": 1,
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"method": "z_axis_rule",
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"additional_surfaces": additional_surfaces,
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"surface_count": 1 + len(additional_surfaces),
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"parting_direction": "Z",
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"parting_position_z": parting_z,
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>>>>>>> 77c4885a4020b609f4964184661f42e936814c4f
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}
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def _build_undercut_regions(self, undercut_analysis: Dict[str, Any]) -> List[Dict[str, Any]]:
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@@ -463,120 +440,6 @@ class AluminumFoamMoldGenerator(BaseMoldGenerator):
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except Exception:
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return 50.0
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<<<<<<< HEAD
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=======
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def _apply_shrinkage_compensation(self, shape: Any) -> Any:
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"""应用收缩率补偿（铝泡沫版本）"""
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# 铝泡沫收缩率通常较大
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scale_factor = 1.0 + self.shrinkage_rate
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trsf = gp_Trsf()
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trsf.SetScale(gp_Pnt(0, 0, 0), scale_factor)
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try:
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scaled_shape = BRepBuilderAPI_Transform(shape, trsf, True).Shape()
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logger.info(f"收缩率补偿应用: {self.shrinkage_rate*100:.2f}%")
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return scaled_shape
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except Exception as e:
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logger.error(f"收缩补偿失败: {e}")
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return shape
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def _apply_draft_angles(self, shape: Any, parting_surface: Any) -> Any:
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"""应用拔模角（改进版）"""
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# 获取分型面法向量作为拔模方向
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try:
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surface = BRepAdaptor_Surface(parting_surface)
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draft_direction = surface.Plane().Position().Direction()
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logger.info(f"应用拔模角: {self.draft_angle}°, 方向: ({draft_direction.X():.3f}, {draft_direction.Y():.3f}, {draft_direction.Z():.3f})")
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# 注意：完整的拔模实现需要更复杂的 BRepOffsetAPI_DraftAngle
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# 这里简化处理，返回原始形状
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return shape
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except Exception as e:
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logger.warning(f"拔模角处理失败: {e}")
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return shape
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def _split_cavity_core(self, shape: Any, parting_surface: Any) -> Tuple[Any, Any]:
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"""
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按分型面将模具分为 A 板（定模/型腔侧）和 B 板（动模/型芯侧）
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流程：
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1. 创建模具块（包围产品的长方体）
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2. 用分型面水平切出上半块和下半块
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3. 从上半块减去产品 → A 板（含型腔负形）
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4. 从下半块减去产品 → B 板（含型芯负形）
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"""
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try:
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# 获取产品边界框
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bbox = Bnd_Box()
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brepbndlib_Add(shape, bbox)
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xmin, ymin, zmin, xmax, ymax, zmax = bbox.Get()
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# 获取分型面 Z 位置（包围盒 Z 中心）
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parting_z = (zmin + zmax) / 2
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# 模具块尺寸（比产品大一圈余量）
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margin = 25
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mold_xmin = xmin - margin
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mold_ymin = ymin - margin
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mold_zmin = zmin - margin
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mold_xmax = xmax + margin
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mold_ymax = ymax + margin
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mold_zmax = zmax + margin
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# Step 1: 创建整块模具
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mold_block = BRepPrimAPI_MakeBox(
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gp_Pnt(mold_xmin, mold_ymin, mold_zmin),
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gp_Pnt(mold_xmax, mold_ymax, mold_zmax)
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).Shape()
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# Step 2: 用分型面切出上下半块
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# 创建一个足够大的水平切割面（分型面 Z 位置）
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cutting_plane = gp_Pln(gp_Pnt(0, 0, parting_z), gp_Dir(0, 0, 1))
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cutting_face = BRepBuilderAPI_MakeFace(cutting_plane).Face()
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# 创建上半空间和下半空间的实体
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# 上半块: 从 parting_z 到 mold_zmax
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upper_block = BRepPrimAPI_MakeBox(
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gp_Pnt(mold_xmin, mold_ymin, parting_z),
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gp_Pnt(mold_xmax, mold_ymax, mold_zmax)
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).Shape()
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# 下半块: 从 mold_zmin 到 parting_z
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lower_block = BRepPrimAPI_MakeBox(
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gp_Pnt(mold_xmin, mold_ymin, mold_zmin),
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gp_Pnt(mold_xmax, mold_ymax, parting_z)
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).Shape()
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# Step 3: 从上半块减去产品 → A 板（定模）
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a_plate_op = BRepAlgoAPI_Cut(upper_block, shape)
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if a_plate_op.IsDone():
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a_plate = a_plate_op.Shape()
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logger.info(f"A板（定模）生成成功: Z={parting_z:.1f} ~ {mold_zmax:.1f}")
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else:
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logger.warning("A板布尔减法失败，使用上半块")
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a_plate = upper_block
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# Step 4: 从下半块减去产品 → B 板（动模）
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b_plate_op = BRepAlgoAPI_Cut(lower_block, shape)
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if b_plate_op.IsDone():
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b_plate = b_plate_op.Shape()
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logger.info(f"B板（动模）生成成功: Z={mold_zmin:.1f} ~ {parting_z:.1f}")
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else:
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logger.warning("B板布尔减法失败，使用下半块")
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b_plate = lower_block
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return a_plate, b_plate
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except Exception as e:
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logger.error(f"分模失败: {e}")
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return shape, shape
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>>>>>>> 77c4885a4020b609f4964184661f42e936814c4f
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def _generate_mold_block(self, cavity: Any, analysis: Dict) -> Any:
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"""生成完整的模具块（包含A/B板结构）"""
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try:
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@@ -656,20 +519,6 @@ class AluminumFoamMoldGenerator(BaseMoldGenerator):
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}
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def _calculate_clamping_force(self, analysis: Dict) -> str:
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<<<<<<< HEAD
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"""估算锁模力"""
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volume_cm3 = analysis.get("volume", 0) / 1000
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if volume_cm3 < 10:
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return "30-50 吨"
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elif volume_cm3 < 50:
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return "50-100 吨"
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elif volume_cm3 < 200:
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return "100-200 吨"
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else:
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return "200+ 吨"
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=======
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"""
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估算锁模力（泡沫模具专用）
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@@ -687,14 +536,13 @@ class AluminumFoamMoldGenerator(BaseMoldGenerator):
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clamping_force_ton = max(30, clamping_force_ton)
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return f"{clamping_force_ton} 吨 (投影面积 {projected_area_cm2:.1f} cm² × 0.3)"
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def _calculate_product_weight(self, analysis: Dict) -> str:
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"""计算产品重量"""
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volume_cm3 = analysis.get("volume", 0) / 1000
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weight_g = volume_cm3 * self.material_density
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return f"{weight_g:.2f} g"
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>>>>>>> 77c4885a4020b609f4964184661f42e936814c4f
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def _estimate_wall_thickness(self, analysis: Dict) -> str:
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"""估算壁厚范围"""
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volume = analysis.get("volume", 0)
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