Starrett is one company that produces micrometers -- tools used to measure dimensions from several centimeters to less than a millimeter. The object is placed on the anvil side of the micrometer, then the spindle side is closed until it touches the object. You then read the markings on the sleeve and thimble to find the size of your object.
Although not a common maintenance procedure for micrometers, you may have to disassemble your Starrett micrometer for cleaning or calibration. Lay the newspaper onto your work surface. This keeps your work area clean and prevents any dirt or dust on your work surface from getting into the micrometer.
Find the ratchet stop on your Starett micrometer. The ratchet stop is located at the end of the micrometer farthest from the "jaws" of the tool. Remove the ratchet stop. The ratchet stop either twists off you might need to hold the micrometer in a vice to twist the ratchet stop off or a screw at the end needs to be removed to take off the ratchet stop.
Set the ratchet stop aside. Pull out the spindle from the sleeve and thimble. If it doesn't come out easily, check that the lock nut on the sleeve is unlocked. Set the spindle aside. Remove the screw holding the anvil onto the frame of the micrometer. Set the anvil aside. The frame and sleeve are one piece and do not come apart in Starrett micrometers.
Based in Portland, Ore. Her articles have appeared in magazines such as "Herb Companion" and "Northwest Travel" and she is the author of six books. Slide the thimble off, twist it loose if it doesn't slide straight off. Set the thimble aside. Things You'll Need. About the Author. Photo Credits. Copyright Leaf Group Ltd.Sure, ad-blocking software does a great job at blocking ads, but it also blocks useful features of our website. For the best site experience please disable your AdBlocker.
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More problematic than that is that sliding the calipers open and closed is now much stiffer than it should be. Long Island Indicator does not work on dial calipers according to their website. Might you suggest another source for repair work? Thanks, Harry. Holescreek Active User Registered.
Joined Nov 10, Messages Fix them yourself, nothing to it. Use a very fine Arkansas oil stone to remove any burrs they may have acquired and use a paper clip to re-time the needle. The unbent paperclip gets pushed into the slot to the left of the dial and up to separate the gear from the rack it's on a spring. A couple of pokes while moving the dial usually does the trick. Hold the calipers up in front of a bright light and check that there is no separation between the jaws, if there is then adjust the gib screws on top to realign them.
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What's New? Page 1 of 2 1 2 Last Jump to page: Results 1 to 20 of Thread Tools Show Printable Version. I've been having some bad luck lately with calipers I'm a glorified Amateur with some tools, so I don't use this machining stuff day in and day out, but it really grinds my gears when I reach for a tool only to find it needs to be messed with in order to function correctly.
I try to take care of my stuff, keep it clean, don't drop it or drop things on it especially the measuring stuff. First I bought a used Starrett 6" caliper off ebay about a year ago, lately I've been noticing that it skips at non-regular intervals. Sometimes a full swing from "-0 will return me to 0, more often than not it'll be. I can see the rack when I open the jaws fully and there don't appear to be any chips or gunk stuck in the rack, but I'm afraid to pull everything apart and lose some tiny pieces.
Does anybody repair these things, or am I stuck with a caliper I can't trust? Next, doing some metric work I decided that I should probably own a caliper that is A bigger than the Starrett, B can read out in metric and C is Digital. Discovered on the 1" and 2" standards that I'm. I'm definitely not pressing hard enough on them to be bending the beam or jaws that much.Sure, ad-blocking software does a great job at blocking ads, but it also blocks useful features of our website.
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I tried to take them apart, but I unsure how to do that and don't want to accidentally ruin them until I know is it better to have them repaired by Starrett or somewhere else or replace them?? Has anyone had repairs done on something like this? BTW I put in a brand new battery, no help.
Thanks in advance for your responses and opinions. Joined Jun 17, Messages 2, Sometimes one of the other buttons could be stuck in the down position. Try to dislodge them if possible. If another button is stuck, the other buttons are usually unresponsive. Worth a shot. Try blowing some air into it. At this point, what have you got to lose. Perhaps you already tried that Joined Dec 8, Messages 2, Those little plastic cases often but not always snap together without fasteners.
However, sometimes there is a "magic" spot you have to press to release the clip: just prying will break it.
Closely examining the line where the two halves of the case meet may yield some clues. If you do find a way to get it apart be aware that the buttons and display may only be retained by the top of the case.
If you give up on it let me know even if you bust the case. I can find a use for it and I'm crazy enough to try to fix just about anything electronic.
Holescreek Active User Registered.Dial calipers are both the easiest and the trickiest shop tools to repair particularly without proper tools. Here we present some hints, tips and instructions. We will be stingy with revealing the essential "tricks of the trade" because that would end up costing us, and other repair shops, much needed business. Check our index for additonal information on dial calipers. Jaws : if the jaws are no longer parallel or flat, they can be ground and lapped but that is the work for a specialist.
If you try this yourself, you will probably end up grinding away so much that you will be left with a completely useless tool.Mitutoyo Dial Caliper Unbox & Review, New v.s. Old v.s. Starrett
Or, the jaws will be in worse shape than they were before. In either case, a useless tool. If the jaws need work, then by all means send the calipers to a shop willing to take on the work.
Mechanics: the movement of the dial caliper can be repaired by anyone with some time on their hands, a few common tools and not apt to cry over a failed attempt. Tip 1: never disassemble more than absolutely necessary. Common problems include the missing slider end stop. This is the plastic piece at the end of the beam that keeps the sliding elements in place. It may look like two screws are involved but in most cases the plastic piece has two pegs which pop into the metal beam.
This is a no-brainer if you can get hold of the correct slider stop. Most Chinese dial calipers have metal slider stops which may be riveted in place. On Starrett they use screws to hold the metal slider stop in place.
Tip 2: unscrew the bezel clamp before prying the bezel off. Especially in Mitutoyo models where the plastic bezel clamp can easily break if you forget to do this. Removing the bezel and crystal is step number one in a repair that involves the mechanical movement. On newer Mitutoyo and Starrett models, the bezel is held in place by a rubber o-ring. You pry the bezel off, gently, by slipping a large, flat-bladed screwdriver under the rim of the bezel.
Crystals are inserted with a crystal press and the bezel can be pushed back on when the repair is done. On Chinese-made Starrett calipers, the bezel can be pried off using a large flat blade screwdriver. Again, be sure to remove the bezel clamp screw first. The new crystal can be pressed in place with your thumb, from below, so that it forms a dome.
Don't forget the white plastic spacing ring when you press the bezel back onto the calipers. Now here's the clincher: Starrett doesn't sell new crystals because they only come completely assembled, from China. You can substitute our see page if you want. You will pry off the metal housing by inserting a thin, flat-bladed screwdriver or other tool under the four corners and wedging it off gently, a little at a time in each corner.
The latest industry news—straight to your inbox. Sign up for our eNewsletter now to stay in-the-know. We'll bring you the most relevant peer-to-peer conversations happening in the trade and tips and tricks to help you get the job done. Invalid email. This is required. Login to Your Account. Remember Me? Register Forgot password? What's New? Results 1 to 11 of Thread: Problem with Starrett digital caliper. Thread Tools Show Printable Version.
Problem with Starrett digital caliper I received a Starrett digital caliper a few years ago as a gift. I never used them and they have been sitting inside a sealed plastic container in a drawer ever since. I opened the case and took them out this morning, When I slid the battery cover plate to activate the unit, only the bottom half of the digits appeared.
I went to Radio Shack and got a new set of batteries and the results are the same. The unit appears to be measuring but the upper half of the screen only appears when I press and hold the "hold" button.
Dial Caliper Repair Service
Am I doing something wrong? I'm wondering if repair would cost more than replacement? Thank you. Shot LCD screen, or the lower half of the screen might not be getting power form the main board, send it back to starrett. Most LCD screens are not hard-wired or soldered to the circuit boards.
Instead, there is a laminated strip of plastic with conductors in it, that us sandwiched between contacts on the display, and contacts on the circuit board. Usually, there is one strip at the top of the display, and one at the bottom, but sometimes there is only one.
You may be able to open the caliper up and clean off the contacts on either the circuit board or the display board, it sounds like yours is just dirty, and that's why pushing on a button causes the display to work. Thanks very much for your speedy responses.Tennis, hockey, basketball, handball and even greyhound racing fans can bet on their favorites.
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Starrett Calipers - Repair or replace?
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