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mainspring    
n. 主发条;主要原因

主发条;主要原因

mainspring
n 1: the most important spring in a mechanical device
(especially a clock or watch); as it uncoils it drives the
mechanism

mainspring \main"spring`\, n.
The principal or most important spring in a piece of
mechanism, especially the moving spring of a watch or clock
or the spring in a gunlock which impels the hammer. Hence:
(Fig.) The chief or most powerful motive; the efficient cause
of action; as, the mainspring of action.
[1913 Webster]


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  • Clock Mainspring Chart - NAWCC Forums
    Clock Mainspring Chart This page is a chapter in CLOCK MAINTENANCE Click give to NAWCC Forum: Monthly Goal $1000 0%
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    I've only replaced the mainspring in one clock because a stronger one was recommended for that particular model The mainspring in a 400 day is usually in excellent condition once removed and cleaned
  • how to measure mainspring - NAWCC Forums
    hello i need to order a new mainspring for my pocket watch h 2 5 thickness 0 3 L 590MM,BUT i am not sure about the diameter of spring barrel, do i measure inside barrel or outside My old spring had a rectangular slot about 3mm x 1 5 which fitted to the arbor,to other end was completely folded
  • Help - Clock Mainspring Arbor Hook | NAWCC Forums
    Help Clock Mainspring Arbor Hook timbo19 Feb 17, 2020 Click give to NAWCC Forum: Monthly Goal $1000
  • SET MAINSPRING - Myth or Really Truely POSSIBLE
    Set mainspring is not a myth A watch itself will be a test instrument for it You won't get a good balance amplitude with a set mainspring One can also determine if the mainspring has to be replaced by the the way it looks Usually, if relaxed mainspring in the barrel has more than two coils around the arbor, it is set Also, if you look at the out-of-the-barrel mainspring and its coil
  • Clock Mainspring Lubrication - NAWCC Forums
    I was given a mantel clock that was just cleaned, but not oiled, and reassembled by the previous owner Oiling the pivot holes is no problem, but I would like to know if it is possible to lubricate the mainspring without disassembling the entire clock I understand synthetic motor oil is good
  • Barrel mainspring lubricants and method to apply lubricant
    The mainspring should be cleaned out of the barrel and it is a simple matter to lubricate it at the same time Merely squirting lubricant on the edge of the mainspring while it is in the barrel won't guarantee the mainspring will be properly cleaned and lubricated
  • How to unwind brand new mainspring - NAWCC Forums
    I built a mainspring winder so I could clean two new mainsprings before finishing a clock project, as was recommended in an earlier post But the new springs are tightly wound and bound with a wire, as expected The two options I've found on YT are to either uncoil the spring by hand by
  • Help verifying grease oil for mainspring? - NAWCC Forums
    Keystone medium mainspring oil: A generally a good product that works "OK" for most main springs and a product to which others can be compared
  • Winding mainsprings by hand - NAWCC Forums
    I have worked on Edison cylinder players and disc players they never use any machine to wind in springs Its done by hand I have done it You just have to keep a good grip on the barrel use gloves and safety glasses To unwind them you place it in a cloth bag grab the center with pliers through





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