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chenjw28
2026-04-21 15:22:22 +08:00
parent 70cbc456d7
commit 77c4885a40
3 changed files with 114 additions and 55 deletions
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src/core/aluminum_foam_mold.py
+57 -22
View File
@@ -702,44 +702,79 @@ class AluminumFoamMoldGenerator:
return shape
def _split_cavity_core(self, shape: Any, parting_surface: Any) -> Tuple[Any, Any]:
"""分离型腔和型芯（优化版）"""
"""
按分型面将模具分为 A 板（定模/型腔侧）和 B 板（动模/型芯侧）
流程：
1. 创建模具块（包围产品的长方体）
2. 用分型面水平切出上半块和下半块
3. 从上半块减去产品 → A 板（含型腔负形）
4. 从下半块减去产品 → B 板（含型芯负形）
"""
try:
# 获取边界框
# 获取产品边界框
bbox = Bnd_Box()
brepbndlib_Add(shape, bbox)
xmin, ymin, zmin, xmax, ymax, zmax = bbox.Get()
# 计算模具块尺寸
margin = 25 # 铝泡沫模具需要更大余量
# 获取分型面 Z 位置（包围盒 Z 中心）
parting_z = (zmin + zmax) / 2
# 模具块尺寸（比产品大一圈余量）
margin = 25
mold_xmin = xmin - margin
mold_ymin = ymin - margin
mold_zmin = zmin - margin
mold_xmax = xmax + margin
mold_ymax = ymax + margin
mold_zmax = zmax + margin
# 创建模具块
# Step 1: 创建整块模具
mold_block = BRepPrimAPI_MakeBox(
gp_Pnt(mold_xmin, mold_ymin, mold_zmin),
gp_Pnt(mold_xmax, mold_ymax, mold_zmax)
).Shape()
# 型腔 = 模具块 - 产品
cavity_operation = BRepAlgoAPI_Cut(mold_block, shape)
if cavity_operation.IsDone():
cavity = cavity_operation.Shape()
logger.info("型腔生成成功")
# Step 2: 用分型面切出上下半块
# 创建一个足够大的水平切割面（分型面 Z 位置）
cutting_plane = gp_Pln(gp_Pnt(0, 0, parting_z), gp_Dir(0, 0, 1))
cutting_face = BRepBuilderAPI_MakeFace(cutting_plane).Face()
# 创建上半空间和下半空间的实体
# 上半块: 从 parting_z 到 mold_zmax
upper_block = BRepPrimAPI_MakeBox(
gp_Pnt(mold_xmin, mold_ymin, parting_z),
gp_Pnt(mold_xmax, mold_ymax, mold_zmax)
).Shape()
# 下半块: 从 mold_zmin 到 parting_z
lower_block = BRepPrimAPI_MakeBox(
gp_Pnt(mold_xmin, mold_ymin, mold_zmin),
gp_Pnt(mold_xmax, mold_ymax, parting_z)
).Shape()
# Step 3: 从上半块减去产品 → A 板（定模）
a_plate_op = BRepAlgoAPI_Cut(upper_block, shape)
if a_plate_op.IsDone():
a_plate = a_plate_op.Shape()
logger.info(f"A板（定模）生成成功: Z={parting_z:.1f} ~ {mold_zmax:.1f}")
else:
logger.warning("型腔布尔运算失败")
cavity = mold_block
# 型芯 = 产品形状
core = shape
return cavity, core
logger.warning("A板布尔减法失败，使用上半块")
a_plate = upper_block
# Step 4: 从下半块减去产品 → B 板（动模）
b_plate_op = BRepAlgoAPI_Cut(lower_block, shape)
if b_plate_op.IsDone():
b_plate = b_plate_op.Shape()
logger.info(f"B板（动模）生成成功: Z={mold_zmin:.1f} ~ {parting_z:.1f}")
else:
logger.warning("B板布尔减法失败，使用下半块")
b_plate = lower_block
return a_plate, b_plate
except Exception as e:
logger.error(f"型腔分离失败: {e}")
logger.error(f"分模失败: {e}")
return shape, shape
def _generate_mold_block(self, cavity: Any, analysis: Dict) -> Any:
src/core/mold_generator.py
+41 -23
View File
@@ -315,10 +315,14 @@ class MoldCavityGenerator:
return shape
def _split_cavity_core(self, shape: Any, parting_surface: Any) -> Tuple[Any, Any]:
"""分离型腔和型芯
型腔(Cavity): 模具中形成产品外表面的部分，是产品形状的负形
型芯(Core): 模具中形成产品内表面的部分，是产品形状的正形
"""
按分型面将模具分为 A 板（定模/型腔侧）和 B 板（动模/型芯侧）
流程：
1. 创建模具块（包围产品的长方体）
2. 用分型面 Z 位置切出上半块和下半块
3. 从上半块减去产品 → A 板（含型腔负形）
4. 从下半块减去产品 → B 板（含型芯负形）
"""
try:
from OCC.Core.BRepPrimAPI import BRepPrimAPI_MakeBox
@@ -333,6 +337,9 @@ class MoldCavityGenerator:
brepbndlib.Add(shape, bbox)
xmin, ymin, zmin, xmax, ymax, zmax = bbox.Get()
# 获取分型面 Z 位置（包围盒 Z 中心）
parting_z = (zmin + zmax) / 2
# 计算模具块尺寸（比产品大一定余量）
margin = 20 # mm
mold_xmin = xmin - margin
@@ -341,30 +348,41 @@ class MoldCavityGenerator:
mold_xmax = xmax + margin
mold_ymax = ymax + margin
mold_zmax = zmax + margin
# 创建模具块
mold_block = BRepPrimAPI_MakeBox(
gp_Pnt(mold_xmin, mold_ymin, mold_zmin),
# 上半块: 从 parting_z 到 mold_zmax
upper_block = BRepPrimAPI_MakeBox(
gp_Pnt(mold_xmin, mold_ymin, parting_z),
gp_Pnt(mold_xmax, mold_ymax, mold_zmax)
).Shape()
# 型腔 = 模具块 - 产品（布尔减法）
cavity_operation = BRepAlgoAPI_Cut(mold_block, shape)
if cavity_operation.IsDone():
cavity = cavity_operation.Shape()
logger.info("型腔生成成功（模具块减去产品）")
# 下半块: 从 mold_zmin 到 parting_z
lower_block = BRepPrimAPI_MakeBox(
gp_Pnt(mold_xmin, mold_ymin, mold_zmin),
gp_Pnt(mold_xmax, mold_ymax, parting_z)
).Shape()
# A 板（定模）= 上半块 - 产品
a_plate_op = BRepAlgoAPI_Cut(upper_block, shape)
if a_plate_op.IsDone():
a_plate = a_plate_op.Shape()
logger.info(f"A板（定模）生成成功: Z={parting_z:.1f} ~ {mold_zmax:.1f}")
else:
logger.warning("型腔布尔运算失败，使用原始形状")
cavity = mold_block
# 型芯 = 产品形状本身（收缩补偿后）
core = shape
logger.info("型芯 = 产品形状")
return cavity, core
logger.warning("A板布尔减法失败，使用上半块")
a_plate = upper_block
# B 板（动模）= 下半块 - 产品
b_plate_op = BRepAlgoAPI_Cut(lower_block, shape)
if b_plate_op.IsDone():
b_plate = b_plate_op.Shape()
logger.info(f"B板（动模）生成成功: Z={mold_zmin:.1f} ~ {parting_z:.1f}")
else:
logger.warning("B板布尔减法失败，使用下半块")
b_plate = lower_block
return a_plate, b_plate
except Exception as e:
logger.error(f"型腔分离失败: {e}")
logger.error(f"分模失败: {e}")
return shape, shape
def _extract_shape_geometry(self, shape: Any, shape_type: str) -> Dict[str, Any]:
src/utils/html_generator.py
+16 -10
View File
@@ -80,7 +80,7 @@ class HTMLGenerator:
<strong style="color: #333;">制造要求</strong>
</div>
<div class="metric">
<span class="metric-label">型腔材料:</span>
<span class="metric-label">模仁材料:</span>
<span class="metric-value">{manufacturing_info.get("mold_material", "N/A")}</span>
</div>
<div class="metric">
@@ -176,7 +176,7 @@ class HTMLGenerator:
<button onclick="resetView()">重置视图</button>
<button onclick="toggleWireframe()">切换线框</button>
<button onclick="toggleProduct()">显示/隐藏产品</button>
<button onclick="toggleMold()">显示/隐藏模具</button>
<button onclick="toggleMold()">显示/隐藏A/B板</button>
<button onclick="toggleParting()">显示/隐藏分型面</button>
<button onclick="togglePointcloud()">显示/隐藏点云</button>
<button id="splitBtn" onclick="splitMold()" style="background:#FF5722;color:#fff;font-weight:bold;">分模拆分</button>
@@ -278,7 +278,7 @@ class HTMLGenerator:
scene.add(productMesh);
}}
// 创建型腔（上半模 - 蓝色）
// 创建A板/定模（蓝色，分型面以上）
// 尝试从后端数据获取实际几何，否则使用简化Box
if (cavityData && cavityData.mold_cavities && cavityData.mold_cavities.cavity && cavityData.mold_cavities.cavity.vertices) {{
const cavityVerts = cavityData.mold_cavities.cavity.vertices;
@@ -324,7 +324,7 @@ class HTMLGenerator:
createSimpleCavity(width, height, depth);
}}
// 创建型芯（下半模 - 橙色）
// 创建B板/动模（橙色，分型面以下）
if (cavityData && cavityData.mold_cavities && cavityData.mold_cavities.core && cavityData.mold_cavities.core.vertices) {{
const coreVerts = cavityData.mold_cavities.core.vertices;
const coreFaces = cavityData.mold_cavities.core.faces;
@@ -389,9 +389,11 @@ class HTMLGenerator:
}}
}}
// 创建简化型腔（备用）
// 创建简化型腔/A板（定模，分型面以上）— 备用
function createSimpleCavity(width, height, depth) {{
const cavityGeometry = new THREE.BoxGeometry(width * 1.2, height * 0.4, depth * 1.2);
// A板：分型面(Z中心)以上的上半模
const halfHeight = height / 2;
const cavityGeometry = new THREE.BoxGeometry(width * 1.2, depth * 1.2, halfHeight + 10);
const cavityMaterial = new THREE.MeshPhongMaterial({{
color: 0x2196F3,
transparent: true,
@@ -400,7 +402,8 @@ class HTMLGenerator:
}});
cavityMesh = new THREE.Mesh(cavityGeometry, cavityMaterial);
cavityMesh.position.set(0, height * 0.7, 0);
// Z轴开模：A板放在分型面以上
cavityMesh.position.set(0, 0, halfHeight / 2 + 5);
scene.add(cavityMesh);
const cavityWireframe = new THREE.WireframeGeometry(cavityGeometry);
@@ -412,9 +415,11 @@ class HTMLGenerator:
cavityMesh.add(cavityLine);
}}
// 创建简化型芯（备用）
// 创建简化型芯/B板（动模，分型面以下）— 备用
function createSimpleCore(width, height, depth) {{
const coreGeometry = new THREE.BoxGeometry(width * 1.2, height * 0.4, depth * 1.2);
// B板：分型面(Z中心)以下的下半模
const halfHeight = height / 2;
const coreGeometry = new THREE.BoxGeometry(width * 1.2, depth * 1.2, halfHeight + 10);
const coreMaterial = new THREE.MeshPhongMaterial({{
color: 0xFF9800,
transparent: true,
@@ -423,7 +428,8 @@ class HTMLGenerator:
}});
coreMesh = new THREE.Mesh(coreGeometry, coreMaterial);
coreMesh.position.set(0, -height * 0.7, 0);
// Z轴开模：B板放在分型面以下
coreMesh.position.set(0, 0, -halfHeight / 2 - 5);
scene.add(coreMesh);
const coreWireframe = new THREE.WireframeGeometry(coreGeometry);