diff --git a/EgtBEAMWALL.DataLayer/Controllers/MachGroupController.cs b/EgtBEAMWALL.DataLayer/Controllers/MachGroupController.cs
index 6e338b7c..2378b639 100644
--- a/EgtBEAMWALL.DataLayer/Controllers/MachGroupController.cs
+++ b/EgtBEAMWALL.DataLayer/Controllers/MachGroupController.cs
@@ -107,6 +107,36 @@ namespace EgtBEAMWALL.DataLayer.Controllers
             return answ;
         }
 
+        /// <summary>
+        /// Conversion of base class to DB model class
+        /// </summary>
+        /// <param name="coreMachGroup"></param>
+        /// <param name="currProdDbId"></param>
+        /// <returns></returns>
+        public static MachGroupModel ConvertToCore(Core.MyMachGroupM coreMachGroup, int currProdDbId)
+        {
+            MachGroupModel answ = new MachGroupModel();
+            if (coreMachGroup != null)
+            {
+                answ = new MachGroupModel()
+                {
+                    Assign = "",
+                    Name = coreMachGroup.Name,
+                    Locked = true,
+                    MachGroupId = coreMachGroup.Id,
+                    ProdDbId = currProdDbId,
+                    State = Core.ItemState.ND,
+                    H = coreMachGroup.dH,
+                    L = coreMachGroup.dL,
+                    W = coreMachGroup.dW,
+                    DtStart = coreMachGroup.dtStartTime,
+                    DtEnd = coreMachGroup.dtEndTime,
+                    Material = coreMachGroup.sMATERIAL
+                };
+            }
+            return answ;
+        }
+
         /// <summary>
         /// Create record on DB
         /// </summary>