Rosário Fernandes’ Post

In the photo, we capture a crucial moment in the precision engineering process known as shrink fitting, specifically for overhead crane wheel applications. Shrink fitting is a sophisticated assembly method where components are heated or cooled to achieve a tight, interference fit. The image shows a skilled technician, equipped with proper safety gear, executing this process with meticulous care and precision. The component in the technician's hands has been cooled using liquid nitrogen, causing it to contract. It is then inserted into another part, which has been heated to expand slightly. As the cooled part warms up and the heated part cools down, they contract and expand respectively, creating a secure, interference fit that is extremely strong and precise. This method is especially valuable in industries where reliability and accuracy are paramount. For overhead crane wheel applications, quality control (QC) is at the heart of this process. Each step, from temperature regulation to the alignment of components, is carefully monitored to ensure the fit meets the stringent specifications required. Precision is critical; even a minor deviation can affect the performance and longevity of the assembly. Our commitment to excellence in QC ensures that every shrink-fit operation is executed flawlessly, providing our clients with products that meet the highest standards of quality and reliability. This meticulous attention to detail not only guarantees the structural integrity of the assembled parts but also reinforces our reputation as leaders in precision engineering. #Engineering #Precision #QualityControl #Manufacturing #ShrinkFit #MechanicalEngineering #Industry4.0 #OverheadCranes

Many of the problems encountered in the fluid power industry stem from sub-standard components rebuilds. I was always shocked when I was hired by companies to investigate why the cost of owning and operating their hydraulic systems was so high, and when I asked the service manager where the components were rebuilt, he or she referred me to the purchasing agent. If a service manager has not personally visited the facility that repairs the company's hydraulic components, I'm afraid that service manager is highly irresponsible. A hydraulic component repair/reman facility can either make or break a company in many different ways. The first being safety. Most - not all, hydraulic component rebuild/reman facilities are not qualified to perform rebuilds for several reasons: 1. Rebuild technicians and test bench operators are not properly trained. 2. Companies do not have the special tools and fixtures needed to perform the work. 3. Many do not use torque wrenches. 4. Facilities do not have test stands that are adequate to test the wide range of components they rebuild. 5. They do not comply with the respective component manufacturers dimensional and or torque specifications. 6. They perform modifications and upgrades (especially cylinders) that are not approved by the respective cylinder and or machine manufacturer. 7. Welding on cylinders is done by uncertified welders. 8. Test benches contain oil that does not meet ISO cleanliness specifications. 9. Facilities are dirty and in disarray. 10. Paint is not stripped from components. During assembly paint chips enter critical areas, which can cause premature failures. It was evident that owners and operators of hydraulic systems did not have the knowledge, training and or background to select a competent repair/reman facility. To add insult to injury, most technicians are not trained to perform component start-up procedures. Consequently, if a component fails on start-up the company, and not the repair/reman facility gets the blame. To mitigate the problem I developed two protocols: 1. "Quality Standards for Hydraulic Component Remanufacturing." 2. "How to Start-up a New or Rebuilt Hydraulic Pump - My Life is in Your Hands." Here is an excerpt from the Quality Standards protocol. I will post the entire document in an article.

Regular maintenance is key to keeping your welder in top shape. Whether it’s daily, weekly, or every six months, following the proper guidelines ensures optimal performance and longevity.    Explore answers to your welder maintenance questions in this video: https://lnkd.in/gtZTiFmH 

Welding positioning facilities or weld positioners are machines that typically have rotating parts to facilitate welding operations on shaped parts. While some devices allow 360 degrees of rotation, other accessory tools are highly adjustable. Most manual welders require repositioning of the weld material to a more comfortable range or may force the welder to operate in restricted or uncomfortable movements that do not support the range required to complete the job. #WeldingPositioner #weiding,#technology,#oil #gas #machine

Regular maintenance is key to keeping your welder in top shape. Whether it’s daily, weekly, or every six months, following the proper guidelines ensures optimal performance and longevity.    Explore answers to your welder maintenance questions in this video: https://lnkd.in/g5R6FuxK 

Welding positioning facilities or weld positioners are machines that typically have rotating parts to facilitate welding operations on shaped parts. While some devices allow 360 degrees of rotation, other accessory tools are highly adjustable. Most manual welders require repositioning of the weld material to a more comfortable range or may force the welder to operate in restricted or uncomfortable movements that do not support the range required to complete the job. #WeldingPositioner #weiding,#technology,#oil #gas #machine

Facing sudden issues with your resistance spot welding program can be frustrating, but don't panic! Follow these 7 simple steps to troubleshoot effectively: 1. Check Materials: Examine the materials being welded. Ensure consistency in base materials, plating, and processes. Test parts from previous lots to compare performance. 2. Inspect Electrodes: Verify electrode material, size, and condition. Ensure proper resurfacing procedure is followed. 3. Review Tooling: Check for any modifications or damage to the tooling holding parts in position. 4. Examine Weld Head: Inspect electrode holders and motion. Ensure proper clamping and no friction issues. Verify all electrical connections from electrode holders to power supply. 5. Assess Power Supply: Confirm correct line voltage, secure electrical connections, and absence of alarms. 6. Validate Process Settings: Double-check power supply schedule, menu settings, and weld head force/speed settings. 7. Engage Operators: Communicate with operators for any changes in maintenance, handling, or initiation procedures. Ensure proper training for new operators. If issues persist after these steps, consider conducting a process audit using our Process Audit Worksheet. Still stuck? Reach out to our application engineers for expert assistance. We're here to help! https://lnkd.in/gGqDv7hg #WeldingTroubleshooting #ManufacturingSupport

Regular maintenance is key to keeping your welder in top shape. Whether it’s daily, weekly, or every six months, following the proper guidelines ensures optimal performance and longevity.    Explore answers to your welder maintenance questions in this video: https://lnkd.in/gvUB9-U3 

Facing sudden issues with your resistance spot welding program can be frustrating, but don't panic! Follow these 7 simple steps to troubleshoot effectively: 1. Check Materials: Examine the materials being welded. Ensure consistency in base materials, plating, and processes. Test parts from previous lots to compare performance. 2. Inspect Electrodes: Verify electrode material, size, and condition. Ensure proper resurfacing procedure is followed. 3. Review Tooling: Check for any modifications or damage to the tooling holding parts in position. 4. Examine Weld Head: Inspect electrode holders and motion. Ensure proper clamping and no friction issues. Verify all electrical connections from electrode holders to power supply. 5. Assess Power Supply: Confirm correct line voltage, secure electrical connections, and absence of alarms. 6. Validate Process Settings: Double-check power supply schedule, menu settings, and weld head force/speed settings. 7. Engage Operators: Communicate with operators for any changes in maintenance, handling, or initiation procedures. Ensure proper training for new operators. If issues persist after these steps, consider conducting a process audit using our Process Audit Worksheet. Still stuck? Reach out to our application engineers for expert assistance. We're here to help! https://lnkd.in/gGqDv7hg #WeldingTroubleshooting #ManufacturingSupport

Being a hydraulic mechanic involves working with systems that use fluids to transmit force and energy. This includes the design, maintenance, and repair of hydraulic equipment such as pumps, cylinders, valves, and control systems.