Cylindrical gears
This article provides answers to the following questions, among others:
What are the pro and cons of internal gears compared to external gears? What are spur...
Basics
In belt drives, the power transmission between the pulleys is usually force-locked by flexible belts. More information on the basics of belt drives can be found in this article.
How does a cycloidal drive work?
This article provides answers to the following questions, among others:
What is a cycloidal drive and how does it work?Why are two cycloidal discs often used?How...
Geometry of involute gears
Involute toothing is often used in mechanical engineering for gears, as it offers favourable meshing and is easy to produce. Learn more about the geometry of involute gears in...
Power transmission of a belt drive
This article provides answers to the following questions, among others:
What is the relationship between the circumferential force (effective force) and the forces on the tight...
Belt types
This article provides answers to the following questions, among others:
What are the operating characteristics of a flat belt?What are the pros and cons of V-belts...
How does a differential gear work?
Differential gears in cars ensure that the wheels can rotate at different speeds when cornering. Learn more about how a differential works in this article.
From stationary gear to planetary gear
This article provides answers to the following questions, among others:
How is a planetary gear unit constructed?How does a planetary gear work?Why are several planetary gears...
Geometry of cycloidal gears
This article provides answers to the following questions, among others:
How is the shape of the tooth of a cycloidal gear obtained?How is a cycloid constructed?What...
Worms and worm gears
This article provides answers to the following questions, among others:
How are worm drives designed?What types of worms and worm gears exist?How is the transmission ratio...
Meshing of involute gears
This article provides answers to the following questions, among others:
What is the line of action of two meshing gears?How is the position of the line...
Calculation of the belt length
This article provides answers to the following questions, among others:
How can the length of the belt of a single-stage belt drive be calculated?
Construction of the cycloidal disc
This article provides answers to the following questions, among others:
How is the shape of the cycloidal disc obtained?How is a cycloidal drive constructed?
Gear stages
A gear stage is a wheel pairing within a gearbox at which the speed or torque changes! Learn more about gear stages in this article.
Gear cutting
This article provides answers to the following questions, among others:
How are gears manufactured?What are the advantages and disadvantages of gear hobbing?What are the advantages of...
Slippage
This article provides answers to the following questions, among others:
What is meant by slippage in general and by elastic slip sliding slip in particular?Which belt...
Roots type blower (supercharger)
This article provides answers to the following questions, among others:
What is a Roots-type blower?How does a Roots-type supercharger work?Why are three-lobed rotors usually used?How are...
Maximum belt stress
This article provides answers to the following questions, among others:
Which forces or tensions act in the belt?How is the centrifugal tension and the bending stress...
Undercut
This article provides answers to the following questions, among others:
What is an undercut?How does undercutting occur during gear hobbing?What effects does an undercut have on...
Operating principle
This article provides answers to the following questions, among others:
For what purposes are transmissions used?What influence does a transmission have on the incoming and outgoing...
Mechanical power
This article provides answers to the following questions, among others:
How is the power physically defined?How is power for translational motions related to force and velocity?How...
Lantern pinion
This article provides answers to the following questions, among others:
What is a lantern pinion?How is a lantern pinion designed?What are lantern pinions used for?How...
Bevel gears
This article provides answers to the following questions, among others:
How are bevel gears constructed?What are the advantages of bevel gears compared to cylindrical gears?What is...
How does a three-speed gear hub work?
This article provides answers to the following questions, among others:
How does a three-speed internal-gear hub work?How are the different gears implemented?How does an overrunning clutch...
Centrifugal forces
This article provides answers to the following questions, among others:
How do centrifugal forces influence the contact pressure between belt and pulley?How can centrifugal forces be...
Rack
This article provides answers to the following questions, among others:
How is the line of action and the line of contact determined for racks?How does the...
Optimum belt speed
This article provides answers to the following questions, among others:
How is the transmitted power of belt drives determined?What influence does centrifugal force have on the...
Bearing force
This article provides answers to the following questions, among others:
How is the bearing force of belt drives calculated?What is the maximum bearing force for a...
Basics of power transmission
This article provides answers to the following questions, among others:
What does the belt friction equation state?Under what conditions does the belt friction equation only apply?Why...
Lubrication
This article provides answers to the following questions, among others:
Why are steel gears often surface-hardened? What types of lubricants are frequently used? Why do lubricants...
