Quartz Clock Movement Definitions of Terms

October 26, 2014 4:40 pm Published by Leave your thoughts

Quartz Clock Movement Definitions

Quartz Clock Movement Definitions are the terms used in replacing a quartz clock movement, and are defined in this section. This is to clarify what the names of the parts are and what we are referring to when we talk about them. It is easy to replace a quartz movement and does not take long at all, if you know what the parts are called.

  • Clock Dial
    Dial = The clock face that the movements post goes through. This is the thing with the numbers on it to tell the time. They come in either Arabic (regular) numerals or Roman (XII for 12) style. Dials also come in many shapes or sizes, if its a larger sized dial it maybe required to get a High Torque clock movement instead of a Low Torque clock movement. A good way to determine if you need a High Torque unit, is if the dial is over 10 inches wide from outside the 9 ro outside the numeral 3, you should get the high torque clock movement instead of Low Torque.
  • Quartz Clock Movement Definitions of Terms
    Post = Threaded portion on the movement that takes the hex nut. This is the fat threaded portion that goes through the dial from the back to the front, and then the hex nut gets attached to it so the movement is mounted secure behind the clock dial. They all come 5/16 wide except for the QU22 unit, that one is 7/16 wide but the rest are all 5/16 wide. The lengths are variable and is chosen upon ordering the clock movement.
  • Quartz movement clock Hex Nut
    Hex Nut = A six sided nut that threads onto the movement post. This is the nut that attaches to the post that goes through the dial from the back to the front. It secures the movement to the back of the clock dial and should be tight enough so the movement will not spin sideways if you were to bonk the clock case.
  • Quartz Clock Steel Hanger
    Hanger = Included, but optional, steel part that allows the clock to hang. This slips over the movements hand shaft and threaded post before the movement gets mounted to the back of the dial. Therefore you would have the hanger sticking up on top of the movement, and this will allow it to be hung on a nail or hook on the wall. These are usually made of steel, sometimes in aluminum instead. All of the time only quartz clock movements will have this hanger but not the pendulum and time units, these would need to have the clock case hung instead of hanging the clock by the movement.
  • Quartz Clock Movement Hands
    Hands = AKA needles and pointers. The hour and minute indicators to tell you want time it is. When you order the clock hands it will ask for the length of the minute hand you need from the center of the mounting hole to the end. Only the minute hand gets measured and not the hour hand. The hour hand comes with the minute hand but is just proportionately smaller so it looks right. The minute hand we offer for the quartz units have an oblong mounting hole, the hour hand has a round hole. This is refereed to as the American standard "I" shaft style, where as in China they use a different style with round mounting holes in both the hour and minute instead. All of our quartz clock hands fit the quartz clock movements we sell, and are the standard "I" shaft as described.
  • Quartz Clock Movement Second hand
    Second Hand = The optional skinny pointer that ticks out the seconds. The mount on the quartz second hands are just a press and friction fit. There is a post that sticks out the back of the second hand, or maybe you can call it a tube because its hollow. This tube fits over a pin that is inside of the quartz clock movement's hand shaft post. The second hands post fits down into the end of the quartz units hand shaft and fits in just by friction. There are two styles of time only quartz clock movements, step motion and continuous sweep motion. The step unit will run this second hand in a jumpy one second intervals, and the continuous sweep movement runs the second hand in a fine non stopping sweep motion around the dial instead.

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