Reporter : Su-Yu Lin 49912005 Wei-Hsiang Yang 49912029 Advisor : Ru-Li Lin Department of Mechanical...
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- Slide 1
- Reporter : Su-Yu Lin 49912005 Wei-Hsiang Yang 49912029 Advisor
: Ru-Li Lin Department of Mechanical Engineering Southern Taiwan
University of Science and Technology Automatic mechanical watches
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- Slide 2
- Directory The origin of the automatic mechanical watch...... 3
Mechanical watch movements principle...... 4 Basic knowledge of
mechanical operation...... 6 The mechanical energy storage...... 7
Brief mechanical classification...... 8 Automatic mechanical
watches mainly produce energy principle...... 9 The difference
between mechanical and quartz watches11 References...... 12
- Slide 3
- The origin of automatic mechanical watches History: In 1770,
the Swiss watchmakers Perrelet (Abraham-Louis Perrelet) invention
automatic mechanical watches for the watch, then the design is more
by Breguet (Abraham Louis Breguet (Abraham-Louis Breguet), often
called Po Breguet, Brguet) improvements. 1923, Cayman Islands
British summer living (John Harwood), automatic mechanical watches
invention. In 1930, Rolex summer living based design can improve a
360-degree rotation of the pendulum Tuo, Tuo original design can
only swing 300 degrees.
- Slide 4
- Mechanical principle of operation Operating table is the use of
leverage will spring energy generated by the center wheel is sent
to the third round, fourth round, the escapement wheel, cowboys
ultimately to balance wheel, followed by reaction of the balance
wheel and then playing cowboys back in place of a simple harmonic
motion. When the spring to provide power to the center of the
wheel, the center of the wheel speed of 60 minutes will be turning
a circle, then begin to shift the case to the third round, the
migration to the fourth round is based on the speed of 60 seconds a
lap conducted rotary.
- Slide 5
- Slide 6
- Basic knowledge of mechanical operation In fact, watch the
rotation is not the direct use of gear, but the gear drives the
pinion gear shaft and gear with each other. Mechanical power source
is not the battery, but by the hand chain winding or automatic
winding. The most important infrastructure "barrel": curling steel
bars produced by elastic force caused.
- Slide 7
- The mechanical energy storage Energy storage, the mechanical
structure simply, is set in a round through the barrel of the
Department of Large bays, and complex gear train has a gear called
the clutch wheel, its role is winding back the full chain
protecting it is not sustainable on the chain which led to the
fracture, is an important protection mechanism, the device is
usually used for models on the list automatically.
- Slide 8
- Brief mechanical classification In mechanical watches can be
divided into: Manual mechanical watch: manual mechanical watches
usually via turning the crown / leading to tight winding sheet,
released by the spring system able to start out the watch timer
function. All of these processes by mechanical principles and
construction to complete. Automatic mechanical watch: automatic
mechanical watch is a modified manual mechanical watches, table
joined in a pendulum Tuo; When worn, oscillating weight may be due
to the rotation of the wrist activity table, and achieve the
"clockwork" effect.
- Slide 9
- Automatic mechanical watches mainly produce energy principle
The basic principle of automatic mechanical watch is a natural by
arm shaking, rocking back and forth so that the oscillating weight
inside the watch, and then through the chain gear box automatically
turn a wound spring, the spring release of its own natural energy,
then through shift gears and escapement governor, causing the
second hand moves, and then make the minute hand and the hour hand
moves through the gear shift. Tuo: Tuo automatic mechanical watch
is a half-moon centrifugal block pieces, usually located on the
back of the movement.
- Slide 10
- Tuo Videos: https://www.youtube.com/watch?v=NY_t-s4ThBM
https://www.youtube.com/watch?v=NY_t-s4ThBM This piece is
semi-circular oscillating weight, automatic mechanical watch is
relying on its rock to a wound.
- Slide 11
- The difference between mechanical and quartz watches Mechanical
advantages 1. Mechanical watch without external power 2. No need to
change the battery 3. Longer life Mechanical shortcomings
1.Accuracy on the affected environment 2. Wearers so affected One
is purely mechanical, with the spring to drive the gear. One is
electronic, using battery power to drive the quartz oscillator to
drive the gears. Quartz watch advantages 1.Battery as the power
source, power source stability 2.Time quite accurately 3.Because
electronic circuit boards, watches relatively thin, light Quartz
watch shortcomings 1.Must periodically replace the battery
2.Batteries also have pollution problems 3.Electronic circuit may
also aging 4.Short-lived
- Slide 12
- Reference material
http://sh1.obuy.tw/candywatch/item.asp?item_id=586206
http://zh.wikipedia.org/wiki/%E6%89%8B%E9%8C%B6
http://tw.knowledge.yahoo.com/question/question?qid=1205082404162
http://www.chinabaike.com/article/316/327/2007/2007022156629.html
http://tw.myblog.yahoo.com/jw!ES5GzQmYBR.DTM34x9Y-
/article?mid=1667 http://bime-talks.blogspot.tw/2007/06/blog-
post_7808.htmhttp://tw.myblog.yahoo.com/jw!ES5GzQmYBR.DTM34x9Y-
/article?mid=1667l http://www.relove.com.tw/pedia16.asp
http://tw.images.search.yahoo.com/search/images?p=%E6%A9%9F%E6%A
2%B0%E9%8C%B6&fr=yfp&ei=utf-8&v=0 The main reference
"Wikipedia"
- Slide 13
- Thanks for watching The End