Can a hydraulic locking cylinder remain securely locked after a servo-controlled injection molding machine switches off the hydraulic pump? This...
Tag Archives: Mold Engineering
Does Hydraulic Port Diameter Affect Cylinder Speed?
Does increasing the hydraulic port diameter always make a cylinder faster? Through a real engineering discussion with Faurecia, the Vega...
Why Do Hydraulic Cylinders Break? A Real Engineering Investigation into an Unusual Cylinder Failure
A broken hydraulic cylinder does not necessarily indicate a defective component. This real engineering case explains how structural calculations, detailed...
Why Hydraulic Pressure Spikes Crack Hydraulic Cylinders: The Hidden Danger of Water Hammer in Injection Molds
Hydraulic cylinders may crack even when operating below their rated pressure. This real engineering case explains how hidden pressure spikes...
Why Hydraulic Cylinder Rods Break in Unscrewing Injection Molds
Hydraulic cylinder rod failure is often caused by side loads, misalignment and fatigue rather than manufacturing defects. This engineering guide...
Hydraulic to Electric Conversion for Injection Molds: Engineering Challenges Explained
A real Vega Technical Department case study explaining how converting an injection mold from hydraulic cylinders to electric actuators requires...
When One Missing Tangent Changes the Entire Cylinder Calculation
A customer correctly calculated most forces in an injection mold slide system, but Vega Technical Department discovered that one missing...
When Calculations Are Correct but Physics Changes the Answer
A customer correctly performed an injection mold slide force calculation, but Vega Technical Department demonstrated that mold kinematics and geometry...
Hydraulic Cylinder Air Testing: Why Air and Oil Behave Differently
A customer believed that several compact hydraulic cylinders suffered from excessive friction caused by guide ring interference. Vega Technical Dep....
The Angle That Changes Everything: Understanding Force Transformation in Injection Mold Slides
A customer requested validation of hydraulic cylinder sizing for five slide mechanisms operating at 550 bar cavity pressure. Through detailed...