diff --git a/lib/drawdxf.py b/lib/drawdxf.py
index a9b181d..43550a3 100644
--- a/lib/drawdxf.py
+++ b/lib/drawdxf.py
@@ -432,42 +432,58 @@ def write_excel_from_json(plines:Polylines, sens2cable: dict, outpath:str, with_
         wb2 = Workbook()
         ws1 = wb2.active
         ws1.title = "BOM"
-        ws1.append(["Art.-Number", "Name (SIVAS)", "Amount (pcs)", "Length (m)"])
+        ws1.append(["Art.-Number", "Amount (pcs)", "Length (m)", "Name (SIVAS)"])
+
+        ws1.column_dimensions['A'].width = 15
+        ws1.column_dimensions['B'].width = 12
+        ws1.column_dimensions['C'].width = 10
+        ws1.column_dimensions['D'].width = 50
 
         # Sensoren separat auflisten
         for artnr in sorted(sensor_summary.keys()):
-            name = bezeichner_cfg["Sivasnummern"].get(artnr, "")
-            count = sensor_summary[artnr]
             if artnr == "":
                 name = "Keine Artikelnummer vergeben. Layout prüfen."
-            elif name == "":
-                name = f"Kein Eintrag zu Art.-Nr: {artnr} in bezeichner.cfg."
+            else:
+                name = bezeichner_cfg["Sivasnummern"].get(artnr, "")
+                if name == "":
+                    name = f"Kein Eintrag zu Art.-Nr: {artnr} in bezeichner.cfg."
+
+            count = sensor_summary[artnr]
+                
             ws1.append([
                 artnr,
-                name,
                 count,
-                ""  # Sensoren haben keine Länge
+                "",  # Sensoren haben keine Länge
+                name
             ])
 
         # Kabel separat auflisten
         for artnr in sorted(set(count_summary.keys()) | set(length_summary.keys())):
-            name = bezeichner_cfg["Sivasnummern"].get(artnr, "")
-            count = count_summary.get(artnr, "")
-            length = length_summary.get(artnr, "")
             if artnr == "":
                 name = "Keine Artikelnummer vergeben. Layout prüfen."
-            elif name == "":
-                name = f"Kein Eintrag zu Art.-Nr: {artnr} in bezeichner.cfg."
+            else:
+                name = bezeichner_cfg["Sivasnummern"].get(artnr, "")
+                if name == "":
+                    name = f"Kein Eintrag zu Art.-Nr: {artnr} in bezeichner.cfg."
+
+            count = count_summary.get(artnr, "")
+            length = length_summary.get(artnr, "")
             ws1.append([
                 artnr,
-                name,
                 count,
-                length
+                length,
+                name
             ])
 
         # Neues Sheet für UV-spezifische Übersicht
-        ws_uv = wb2.create_sheet("BOM by UV")
-        ws_uv.append(["UV", "Art.-Number", "Name (SIVAS)", "Amount (pcs)", "Length (m)"])
+        ws2 = wb2.create_sheet("BOM by UV")
+        ws2.append(["UV", "Art.-Number", "Amount (pcs)", "Length (m)", "Name (SIVAS)"])
+
+        ws2.column_dimensions['A'].width = 15
+        ws2.column_dimensions['B'].width = 15
+        ws2.column_dimensions['C'].width = 12
+        ws2.column_dimensions['D'].width = 10
+        ws2.column_dimensions['E'].width = 50
 
         all_uvs = set(uv_sensor_count.keys()) | set(uv_artnr_count.keys()) | set(uv_artnr_length.keys())
 
@@ -478,39 +494,44 @@ def write_excel_from_json(plines:Polylines, sens2cable: dict, outpath:str, with_
             all_artnrs.update(uv_artnr_length.get(uv, {}).keys())
 
             for artnr in sorted(all_artnrs):
+                if artnr == "":
+                    name = "Keine Artikelnummer vergeben. Layout prüfen."
+                else:
+                    name = bezeichner_cfg["Sivasnummern"].get(artnr, "")
+                    if name == "":
+                        name = f"Kein Eintrag zu Art.-Nr: {artnr} in bezeichner.cfg."
                 sensor_amount = uv_sensor_count.get(uv, {}).get(artnr, 0)
                 cable_count = uv_artnr_count.get(uv, {}).get(artnr, 0)
                 cable_length = uv_artnr_length.get(uv, {}).get(artnr, 0)
-                name = bezeichner_cfg["Sivasnummern"].get(artnr, "")
 
                 # Sensoren separat eintragen (Anzahl)
                 if sensor_amount > 0:
-                    ws_uv.append([
+                    ws2.append([
                         uv,
                         artnr,
-                        name,
                         sensor_amount,
-                        ""
+                        "",
+                        name
                     ])
 
                 # a) Nur Anzahl, wenn kein "MA" im Namen
                 if cable_count > 0 and cable_length == 0:
-                    ws_uv.append([
+                    ws2.append([
                         uv,
                         artnr,
-                        name,
                         cable_count,
-                        ""
+                        "",
+                        name
                     ])
 
                 # b) Nur Länge, wenn Kabel mit "MA" (Meterware)
                 if cable_length > 0:
-                    ws_uv.append([
+                    ws2.append([
                         uv,
                         artnr,
-                        name,
                         "",
-                        cable_length
+                        cable_length,
+                        name
                     ])
 
         bom_path = outpath.replace("_cables.xlsx", "_BOM.xlsx")