ENGINEER.48

  Today's note is "The basic rule of thumb is that machined parts after welding and flat machining near a wall must be away from the wall. I'm not sure if this title is appropriate and communicates well, but this is what I was inquired about by a machinist, and I told the design engineer and ...

Today's memo is about "Thrust Force Table and Thrust Force Formula for Hydraulic Cylinders". Unlike air cylinders, hydraulic cylinders have a higher pressure setting in the hydraulic circuit used and have a very large thrust force. Today, we will create a table that shows the thrust of the hydraulic cylinder ...

Today's note is about "How to get CAD data for THK grease nipples". THK Grease Nipples If you download the CAD data for the LM Guide from THK's website, the grease nipples come with ...

Today's note is about the symbols "Ca" and "C0a" in THK's ball screw catalog. Many people are confused because the explanation of these load rating symbols are not included in the dimensional tables in the catalog, so I am writing them down here ...

  Here is a note on "Differences between DC motors and AC motors. Here are some notes on "Difference between DC motors and AC motors and comparison of their features" in Types of Motors. When selecting a motor for a machine design, which motor to choose, DC or AC?.

Today's note is on the "Feed Torque Calculation Formula for Ball Screws". In machines using ball screws, the degree of accuracy requirements differ depending on the type of machine, so some machines can use rolling ball screws, while others can use precision ball screws.

  Here is a note on the difference between prototype drawings and mass production drawings, which is mentioned in the article on mechanical drawing. As you may have experienced, after submitting a new part drawing, there are several inquiries from the machin...

  Today's memo is about "Load Calculation for Bearings and Bearings (Driven by Chain and Belt)". The following is a summary of the article on the calculation of the load on bearings and ...

  Here is a memo that shows the importance of mechanical drafting knowledge: "Hand-drawn drawings and drafting skills are necessary even if 3DCAD is widely used. The other day I was on Twitter and saw a drafting lecture given by a student on hand-drawn ...

  Today's note is on "What is spring constant? Reasons why spring constants vary and tips to suppress the variation". The "spring constant" that comes up when designing compression springs, the basic concept of spring constants, and ...