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Machine Designer's Note

machine element

【4】How to use machine elements/Calculation

: LM guide load calculation for horizontal conveying (1 rail, 1 block)

2026/1/2 LM Guide/Linear Guide /Linear Shaft

Today's memo is about "LM Guide Load Calculation for Horizontal Conveyance (1 Rail, 1 Block)". Here, I will provide the calculation method and an Excel spreadsheet for when using LM guides (which can also be used for linear guides) with a single block. Please...

: List of Thrust Force of Air Cylinders and Formula for Calculating Thrust Force

2025/2/15 Air Cylinder/Spicon

This section contains notes on "Table of Thrust Force of Air Cylinders and Formulas for Calculating Thrust Force". This page is intended for those who want to calculate the thrust of an air cylinder. Thrust Force of Air Cylinders E ...

: O.D. tolerance of cam follower and stud section

2020/5/2

Today's note is on "Cam Follower O.D. Tolerances and Stud Section O.D. Tolerances". This article is excerpted and summarized so that you can quickly check the external characteristics of cam followers. Please use it. What is a cam follower?.

: Explanation of terms necessary for designing mechanisms, such as cam geometry, mechanism, motion, curves, etc.

2020/5/2 cam

Today's note is about "Explanation of terms necessary for designing mechanisms, such as cam geometry, mechanism, motion, and curves. I have tried to give a brief summary of the meaning of "common" terms for studying cam mechanisms. I have made a table of contents to make it easier to read. How ...

: What is a cam? Summary of basic knowledge of the benefits of using cams.

2024/6/11 cam

Today's "What is a cam? A Summary of Basic Knowledge of the Benefits of Using Cams" memo. What is a cam, the concept of a cam, how is it beneficial to use a cam, and there are many difficult keywords in the cam mechanism ...

: List of screw effective diameter, thread height, pitch, and lead angle

2024/2/23 Screw/Bolt

Today's note is about "List of Thread Effective Diameter, Thread Height, Pitch, and Lead Angle". The JIS standard for metric screw nominal size is easy to find on the web, but the list of screw effective diameter, thread height, pitch, and lead angle is not so easy to ...

: Concept of allowable rotational speed and maximum rotational speed of bearings

2024/6/10 Bearing

Today's memo is about "the concept of allowable rotational speed and maximum rotational speed of bearings. What is the allowable rotational speed of a bearing? The "allowable rotational speed" of a bearing is the limit rotational speed at which it can be operated without generating heat above the limit ...

: Difference and Selection Criteria between Rolling Ball Screws and Precision Ball Screws

2026/1/4 Ball screw

Here is a note on the difference between a rolling ball screw and a precision ball screw, which is an option when using a ball screw. If you search the Internet for the difference between a thread rolling ball screw and a precision ball screw, you will find that the surface ...

: What is Inertia? Useful calculations for machine design and how to determine the correct driving force

2026/2/4 Motor

This section describes how to calculate inertia (moment of inertia), an unavoidable factor in machine design, and notes how to determine the correct driving force. In the design of automatic machines, it is important to know ...

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