diff --git a/ln.ethercat.service/GalaTechControllerLogic.cs b/ln.ethercat.service/GalaTechControllerLogic.cs
index a51fdda..b4425d9 100644
--- a/ln.ethercat.service/GalaTechControllerLogic.cs
+++ b/ln.ethercat.service/GalaTechControllerLogic.cs
@@ -182,9 +182,9 @@ namespace ln.ethercat.service
 
         public class MyParameters
         {
-            public double FeedSpeedRatio = 1.0;
+            public double FeedSpeedRatio = -1.0;
             public double FeedTorqueRatio = 0.5;
-            public double FeedScrewGearRatio = 0.3;
+            public double FeedScrewGearRatio = -0.015;
             
         }