Merge branch 'main' of http://szcjw:10001/cjw/geMoldInsight

src/services/calculation_service.py

@@ -18,11 +18,27 @@ class CalculationService:
         return volume_cm3 * density
 
     @staticmethod
-    def calculate_projected_area(bbox_dims: List[float]) -> float:
-        """计算投影面积（cm²），取 X、Y 方向"""
-        if len(bbox_dims) >= 2:
+    def calculate_projected_area(bbox_dims: List[float], parting_direction: str = "Z") -> float:
+        """
+        计算投影面积（cm²）
+
+        Args:
+            bbox_dims: [长度, 宽度, 高度] (mm)
+            parting_direction: 开模方向，"Z" 表示上下开模（投影到XY平面），
+                               "Y" 表示前后开模（投影到XZ平面），
+                               "X" 表示左右开模（投影到YZ平面）
+        """
+        if len(bbox_dims) < 3:
+            return 0.0
+        if parting_direction == "Z":
+            # Z轴开模 → 投影面积 = 长度 × 宽度
             return (bbox_dims[0] * bbox_dims[1]) / 100
-        return 0.0
+        elif parting_direction == "Y":
+            return (bbox_dims[0] * bbox_dims[2]) / 100
+        elif parting_direction == "X":
+            return (bbox_dims[1] * bbox_dims[2]) / 100
+        # 默认 Z 轴
+        return (bbox_dims[0] * bbox_dims[1]) / 100
 
     @staticmethod
     def calculate_cavity_count(product_weight_g: float, projected_area_cm2: float) -> int:
@@ -55,14 +71,27 @@ class CalculationService:
         cavity_count: int,
         runner_ratio: float = 0.20,
         injection_pressure: float = 700,
+        is_foam: bool = False,
     ) -> int:
         """
         计算所需夹紧力（吨）
-        runner_ratio: 流道系统占型腔投影面积比（0.15-0.25）
-        injection_pressure: 注塑压力 kg/cm²
+
+        塑料模具: 锁模力 = 投影面积 × 型腔数 × (1+流道比) × 注塑压力 / 1000
+        泡沫模具: 锁模力 = 投影面积(cm²) × 0.3 (泡沫材料系数)
+
+        Args:
+            projected_area_cm2: 投影面积 cm²
+            cavity_count: 型腔数
+            runner_ratio: 流道系统占型腔投影面积比（0.15-0.25）
+            injection_pressure: 注塑压力 kg/cm²
+            is_foam: 是否泡沫材料
         """
-        total_projected_area = projected_area_cm2 * cavity_count * (1 + runner_ratio)
-        clamping_force_ton = int(total_projected_area * injection_pressure / 1000)
+        if is_foam:
+            # 泡沫模具: 锁模力(吨) = 投影面积(cm²) × 0.3
+            clamping_force_ton = int(projected_area_cm2 * 0.3)
+        else:
+            total_projected_area = projected_area_cm2 * cavity_count * (1 + runner_ratio)
+            clamping_force_ton = int(total_projected_area * injection_pressure / 1000)
         return max(50, min(clamping_force_ton, 3000))
 
     @staticmethod
@@ -165,13 +194,19 @@ class CalculationService:
 
         material_density = material["density"]
         shrinkage_rate = material["shrinkage"]
+        is_foam = material.get("is_foam", False)
+
+        # 泡沫模具优先 Z 轴开模（上下开模）
+        parting_direction = "Z"
 
         # 各项计算
         volume_cm3 = volume_mm3 / 1000
         product_weight_g = cls.calculate_product_weight(volume_mm3, material_density)
-        projected_area_cm2 = cls.calculate_projected_area(bbox_dims)
+        projected_area_cm2 = cls.calculate_projected_area(bbox_dims, parting_direction)
         cavity_count = cls.calculate_cavity_count(product_weight_g, projected_area_cm2)
-        clamping_force_ton = cls.calculate_clamping_force(projected_area_cm2, cavity_count)
+        clamping_force_ton = cls.calculate_clamping_force(
+            projected_area_cm2, cavity_count, is_foam=is_foam
+        )
         wall = cls.calculate_wall_thickness(volume_mm3, surface_area_mm2)
         complexity_score = cls.calculate_complexity(wall["avg_thickness_mm"])
         mold_size = cls.calculate_mold_size(bbox_dims, cavity_count)
@@ -187,6 +222,8 @@ class CalculationService:
                 "shrinkage_rate": shrinkage_rate,
                 "draft_angle": 2.0,
                 "selected_material": material["name"],
+                "is_foam": is_foam,
+                "parting_direction": parting_direction,
             },
             "product_analysis": {
                 "volume": volume_mm3,
@@ -197,6 +234,10 @@ class CalculationService:
                 "recommended_material": material["name"],
                 "material_density": f"{material_density} g/cm³",
                 "estimated_clamping_force": f"{clamping_force_ton} 吨",
+                "clamping_force_formula": (
+                    "投影面积(cm²) × 0.3" if is_foam
+                    else "投影面积 × 型腔数 × (1+流道比) × 注塑压力 / 1000"
+                ),
                 "estimated_mold_size": {
                     "length": int(mold_size["length"]),
                     "width": int(mold_size["width"]),
@@ -208,6 +249,7 @@ class CalculationService:
                 "parting_line_length": f"{parting_line_length:.2f} mm",
                 "estimated_cycle_time": f"{cycle_time} 秒",
                 "injection_pressure": f"{injection_pressure} kg/cm²",
+                "parting_direction": parting_direction,
             },
             "mold_cavities": {
                 "cavity_count": cavity_count,