Woodworking Machinery: Functions and Uses
Sierra Multiple
Function: Performs multiple simultaneous cuts on pieces of timber in a parallel fashion. The distances between the cuts determine the width to be achieved.
Components:
- Horizontal table guide
- Horizontal axis table wing (above the table) with multiple circular saws
- Feeding system acting on both sides of the piece
The table is fixed; only the feeding system is mobile and must adapt to the bulk of the pieces.
Tupi (Spindle Moulder)
Function: Shapes wood using a series of tools or cutters (bits)
Clutch Friction: Components, Types, and Operation
Clutch Friction
Friction is heavily used with mechanical disc clutches, which are simple and easy to maintain. For reasons of disk space, they can not be dry mounted and use dual clutch and multi-farm bikes and bathed in oil.
Function
It consists in bringing the disk between 2 flat plates that pressure to get turn forming a part and transmit the rotation and torque of the motor to the gearbox. When you need to disengage the clutch, the driving force that presses the disc decreases until it turns freely
Read MoreUnderstanding Video Signal Processing: Luminance and Chroma
Video Signal Processing
The video detector provides the composite video signal, which includes sync information, luminance information, and chroma information. The video detector output is separated to recover the luminance signal and the chroma signal. Both signals are processed separately and perform the following basic functions:
- Luminance Signal: Adapts the signal to the level needed for the circuit matrix.
- Chroma Signal: Amplified and then undergoes PAL decoding and demodulation to recover the
Mastering Technical Terminology: Fasteners, Electricity, and Dimensional Accuracy
Technical Terminology: Fasteners, Electricity, and Dimensions
Prepositions and Common Phrases
Dependent Prepositions: zatia prep+noun
- In theory
- In practice
- In advance
- On purpose
- By heart
- At the latest
- By chance
- On the news (dia konkreto)
- In the news these days
- In a very bad mood
- In the end (at last, finally)
- By mistake
- For nothing
- On good terms
- On principle
- In principle
- In debt
- Against the law
- As a rule
Dimensional Accuracy
(Precision and tolerance, size, shaft, bolt)
- Allowed/Permissible: Acceptable
- Exact/Accurate/Precise:
Elastic Springs and Bearings in Mechanical Systems
Elastic Springs and Bearings
Elastic springs and joints are used to absorb energy or shock loads, acting as elements in an engine or power source, and to produce a force or pressure.
Springs
Springs are items that possess the property of *elasticity*, meaning the ability to deform when subjected to an external force, absorbing energy, and then returning to their initial position, releasing the absorbed energy when the force is removed.
The most important types of springs include:
- Tensile (or Traction)
Titanium Dioxide: Properties, Applications, and Safety
Oxygen Sensors
Even in slightly reducing atmospheres, Titania tends to lose oxygen and become sub-stoichiometric. Thus, the material becomes a semiconductor, and the electrical resistance of the material can be correlated with the oxygen content of the atmosphere to which it is exposed.
Antimicrobial Coatings
The photocatalytic activity of titanium results in thin layers of material exhibiting self-cleaning and disinfecting properties under exposure to UV radiation. These properties make the material