Siemens provides a free copy of SOLID EDGE 2D DRAFTING ST7. Mechanism design always starts with 2D sketches of linkages. This free software allows users to create sketches with constraints. For ...
http://mechanical-design-handbook.blogspot.com/2015/05/free-solid-edge-2d-drafting-st7.html
PEEK is an abbreviation for polyetheretherketone, a high performance engineering thermoplastic. It is another engineering plastic which is widely used in machine components since it has very goo...
http://mechanical-design-handbook.blogspot.com/2012/11/engineering-plastic-peek.html
Polytetrafluoroethylene (PTFE ) is another engineering plastic using in machine parts. PTFE is a non-stick substance. The trade name of the DuPont company for PTFE is TEFLON. PTFE is used as a no...
http://mechanical-design-handbook.blogspot.com/2012/11/engineering-plastic-ptfe-teflon.html
PA is the abbreviation of POLYAMIDE . The commercial name of polyamide is NYLON. Nylon is an engineering thermoplastic which is commonly used in textiles, automotive, carpet and sportswea...
http://mechanical-design-handbook.blogspot.com/2012/11/engineering-plastic-pa-polyamide.html
Normally, we use steels to make machine components. But in some applications, engineering plastics are also commonly used in machine parts since their unique properties e.g. lighter weight, ...
http://mechanical-design-handbook.blogspot.com/2012/11/engineering-plastic-pom-polyacetal.html
SCREWS AND BOLTS are the most common types. The difference between screws and bolts is only the intended use. Screws are intended by screwing into tapped holes; bolts are intended for use with n...
http://mechanical-design-handbook.blogspot.com/2012/11/bolts-nuts-screws-studs.html
Interesting articles from Wikipedia and other web sites... From Wikipedia.org PERPETUAL MOTION describes "motion that continues indefinitely without any external source of energy; impossible ...
http://mechanical-design-handbook.blogspot.com/2012/10/perpetual-motion.html
A TORQUE LIMITER is an automatic overload clutch that provides machine protection and reduces repair time during jamming load conditions. This is done to protect expensive machines and prevent ...
http://mechanical-design-handbook.blogspot.com/2012/05/ball-detent-torque-limiter-overload.html
There are several methods to connect shaft and hub together for power transmission. Let's find the advantage of using KEYLESS BUSHINGS FROM FENNER compared with other traditional connection meth...
http://mechanical-design-handbook.blogspot.com/2012/04/keyless-bushings-for-power-transmission.html
From Column Design Part 1 to 5 , we talked about the formulas to calculate the critical buckling load. This time we're going to use the excel spreadsheet program to help calculate. Let's use the ...
http://mechanical-design-handbook.blogspot.com/2012/03/column-design-part-6.html
From ], the Euler formula has been introduced. But when the slenderness ratio KL/r is less than the transition value Cc, then column is short, and the J.B. Johnson formula should be used. If we u...
http://mechanical-design-handbook.blogspot.com/2011/12/column-design-part-5.html
From Column Design (Part 3) , we compute the value of column constant (Cc) and slenderness ratio (KL/r_min) to check whether the column is long or short. If the column is long, Euler formula w...
http://mechanical-design-handbook.blogspot.com/2011/10/column-design-part-4.html
Let's continue from the previous post ... The criteria to select whether we should use the Euler formula or the J. B. Johnson formula to calculate for the critical load (Pcr) of the column is r...
http://mechanical-design-handbook.blogspot.com/2011/08/column-design-part-3.html
From Column Design (Part 1) , we know that a column will tend to buckle about the axis for which the radius of gyration (r) and the moment of inertia (I) are minimum. Another important paramete...
http://mechanical-design-handbook.blogspot.com/2011/08/column-design-part-2.html
A COLUMN in the definition of mechanical engineering does not have to be in vertical. The column is a structural member that carries an AXIAL COMPRESSIVE LOAD, and that tends to fail by ELASTIC I...
http://mechanical-design-handbook.blogspot.com/2011/04/column-design-part-1.html
Let's take a look at the formulas related to chain design. The pitch diameter of a sprocket with N teeth for a chain with a pitch of p is determined by Note: the angle of sine function must be...
http://mechanical-design-handbook.blogspot.com/2011/03/chain-drives-design-part-3.html
GENERAL CHAIN DESIGN CONSIDERATIONS NOMINAL TENSILE LOAD The main consideration for all types of chain is the nominal tensile load that is required to perform the basic function. The nominal t...
http://mechanical-design-handbook.blogspot.com/2011/03/chain-drives-design-part-2.html
CHAIN DRIVES are used to transmit rotational motion and torque from one shaft to another, smoothly, quietly and inexpensively. Chain drives provide the flexibility of a belt drive with the posi...
http://mechanical-design-handbook.blogspot.com/2011/02/chain-drives-design-part-1.html
In this post, you'll find the video clip to show how to use the excel program to solve system of equations using Gauss Elimination method and download link. You can find the links related to th...
Let's continue from ]. Now you know how to enter data and solve a set of linear equations using our program. Now it's time to see how to setup another set of equations. Let's try to solve system ...
After you download an excel program Gauss Elimination Method from our web site and open it, you'll find the following screen. You have to click "Options..." and "Enable this content" to enab...
From post ], we know the procedures of Gauss Elimination method to solve system of linear equations. But if we write excel VBA program based on those procedures, we may encounter with problems an...
The the previous post ], the basic information regarding Gauss Elimination Method has been shared. In this post, we will have at more details about Gauss Elimination method. Why called "elimina...
Sometimes engineers need to solve a system of equations to obtain solutions for their engineering design works. This kind of problems consists of several number of unknowns and equations that ...
http://mechanical-design-handbook.blogspot.com/2011/02/solving-system-of-equations-using-gauss.html
The PEAUCELLIER–LIPKIN LINKAGE (or Peaucellier–Lipkin cell), invented in 1864, was the first planar linkage capable of transforming rotary motion into PERFECT STRAIGHT-LINE MOTION, and vice...
http://mechanical-design-handbook.blogspot.com/2011/02/peaucellierlipkin-and-sarrus-straight.html