moore and wright micrometer gauge 966B in original box . Feb 3, 2021. You do not want to disturb the setting. Once the adjustment if free, reinstall the thimble. A little care prevents loss of the lock roller. The stem should rotate easily. Gauge block. Next is sprung fingers on the play/friction adjustment. It is marked No. Once removed, the parts were cleaned with a brass brush and mineral spirits. You are done.Obviously, if everything is clean and free to begin with, it doesn't need to all come apart. A small drop of oil on the threads and run the spindle in. A little penetrating oil in the gap between the cap and the knurling, maybe a little heat- a little heat, like a few seconds from a low power heat gun, NOT the oxy-acetylene torch that you have always wanted to use- and a little time will usually do it. Base Length 63.5mm / 2.1/2 It had been damaged. RDG Tools Catalogue | Moore & Wright Section | Moore & Wright Micrometer's About RDG Tools. This is good. It shouldn't be adjusted unless the spindle threads have been started a few turns, and then only snug enough to take the play out. I don't think Starret makes/has made interchangable anvil thread mic's like Mitutoyo (and the generic import suppliers). Some of the "magic" penetrating solutions have corrosive properties and can damage precision surfaces. I suggest rotating the sleeve with an adjusting wrench while providing force toward the open end. It isn't critical, as the spring pressure is the key element in the system. The anvil had a small ding in the edge that raised a burr on the working face, so the burr was dressed with a fine, dead flat Arkansas stone until the burr was gone and the face flat. Lapping the faces is really something that can be done most accurately and economically by a professional, but this takes money, not time, so it waits until all other issues are addressed. If the thimble is straight and concentric, no rubbing is going on, and lines close to zero when the spindle is brought in to the anvil, then it is backed off and the crew given a final tightening. On the Helios micrometer I'd like to refurbish, the markings are quite faint. 4 years ago. The same tool in better condition, but cosmetically poor, commonly goes for less than US$10. On the other hand, I had good reason to think it can be repaired, though a few things make it a definite borderline case. ONLY light machine oil. The speeder sticks out and they are relatively vulnerable. even among different instances of the same model with the same features. In the example (made for a smaller tool), I just used the end of the drill bit. It can be done with a small slot-type screwdriver as a wedge in the slots, but is touchy. Description This auction is for a vintage Micrometer made by Moore and Wright in Sheffield. Rust removal chemicals (derusters, rust converters, naval jelly, acids, lye, etc) and electrolysis should NOT be used.They are much more likely to change the dimensions by removing excess material or growing a surface than a simple penetrating oil. Clean, light oil, maybe a little heat. It should take almost no force at all to slip the outer part, but if it has been bound up, a little hand force may be needed. Back out the spindle a few turns by grasping it with your fingers, WITHOUT touching the thimble. Probably not. It gets in the joint and makes adjustment a challenge. Cleaning and Old Moore & Wright Micrometer; Shortcuts to: WOODWORK FORUMS: IF THIS IS YOUR FIRST VISIT - PLEASE NOTE: You must REGISTER before you can post, view all the pictures, see all threads or participate. Moore & Wright 3-4" Micrometer MW200-04I Standard workshop model Resolution 0.0005" Satin-chrome scale Painted frame with . Too much force will either break the pin from the wrench or damage the hole in the cap. This is a watchmaker trick.To free the spindle if the screw is by luck exposed:Remove the jam screw.Loosen the engagement screw about two turns.The spindle is now free.To reset:Hold the bushing in place with the screwdriver in the screw.rotate the spindle until the slot lines upGENTLY turn the screw in until contact, then back out maybe 1/8 turn (this sets the free play/backlash)reinsert the jam screw and snug it.If the proper screw is NOT aligned, you might try removing the thimble (it is a taper seat type) and loosening the thread wear adjustment nut. Its the part which the barrel rotates around to read the measurement but im struggling to find out how to remove the old one ive taken the barrel off and tried to twist and pull the sleeve off but it must have some sort of retaining mech. Moore & Wright Founded in 1906 by innovative engineer Frank Moore, Moore & Wright has been designing, manufacturing and supplying precision measuring equipment for over 100 years. Now, hold the thimble and snug the cap with your other hand. If moderate force the proper direction doesn't free it, then time to dig.The setscrew cap (in the photo) pops off exposing two setscrews. Now, while holding the spindle in place, loosen the cap slightly, rotate the thimble until the zero mark aligns with the index line on the barrel, and LIGHTLY snug the cap to hold position. The indicating edge of the thimble isn't dented and is concentric to the barrel, so the thimble and spindle end are probably not bent. It may not display this or other websites correctly. There should be two pieces visible: the one threaded into the frame, and a second one still under the thimble. Moore and Wright Micrometer Stand 279 Series MW279-01A. The best do only a little better than this, and the worst do much worse. Little force should be needed. The portion of the spindle that is inside the barrel includes screw threads, and as the thimble is rotated, the spindle and thimble advance or retract. Before we continue: DO NOT try to grab the thimble with a vise. . Tactile inspection would include, if the spindle was free, running the tool through the entire range and noting any non-uniform drag or places where it sticks. For a better experience, please enable JavaScript in your browser before proceeding. It was already machined for special jobs more than once, starting with cutting the frame to use it as a reach-over height mic in a lab setup, then as a stop on a lathe). Your slots look ok in the pictures, but whether the stem is straight, so that the faces are parallel, only you can tell with the unit in hand. In support of my suspicion there might be a problem was the condition of the adjustment hole. Even if it doesn't move, the force can help open up microscopic gaps that let capillary action do it thing. A time capsule of British precision manufacturing. How to Check and Adjust the Calibration of an Outside and. Keep going until it loosens up enough to slip off or you have backed up 3 turns or so on the cap. The castellated faces mesh when properly assembled, and by rotating them relative to each other, the free play in the thread can be adjusted. There is very, very little clearance. on Step 9. 971 at the best online prices at eBay! Just fingers. This guide applies to outside micrometer calipers, but also applies to some other types. Be sure the key is aligned to go in the slot, the assembly is lined with the center of the frame, and press it in. MOORE & WRIGHT VINTAGE Micrometer Model 965 made in Sheffield England Pre-Owned C $34.94 Top Rated Seller or Best Offer howardspawnbellscorners (1,384) 100% Free shipping Sponsored VINTAGE MOORE & WRIGHT INSIDE MICROMETER WITH CASE AND ANVILS Pre-Owned C $120.09 Top Rated Seller Buy It Now h.resale_llc (23,020) 100% from United States Sponsored As the oil works in, another drop. Swapping parts is sometimes possible, but there have been a number of variants over the years, and there are parts that are incompatible,. About; British Mark; Publication; Awards; Nominate; Sponsorship; Contact With the spindle in contact with the anvil (again, after cleaning the faces) at the appropriate measuring force, the barrel is tweaked with the adjustment wrench until the index line matches the zero on the thimble exactly. Mitutoyo 102-301 Outside Micrometer 0-25mm . The frame and thimble will grow from the heat sooner than the spindle. I usually use a tapered drift to flare tubing like this, but many pin punches and similar tools have a long taper section that can be used. Moore & Wright 200-01 Ext Micrometer . Good news is that you won't be too concerned about messing up the old sleeve. References. ad by Antiques1977 Ad from shop Antiques1977 Antiques1977 From shop Antiques1977. Using a set of gauge blocks, sized over the range of the micrometer and with size differences that bring the spindle to different rotations, I checked for parallelism of the faces and appropriate thread lead. The keyway at the front of the frame. The lock can be opened up using a small blade screwdriver to carefully spread the gap. A reasonably inexpensive caliper may indicate to a precision of 0.01mm (0.0005") and have a claimed accuracy of 0.03mm (0.0015"). It may take a few days for the penetrant to work in. 2023 Copyright Practicalmachinist.com. When looking at this style, pay close attention to the slots in the screw and stem. It is NOT a standard screw- it is a tapered seat to lock the anvil position- so it is best not to remove it. Is it possible to remove the threaded sleeve that lives under the barrel? The ratchet speeder can be replaced if I want, and, in fact, I have a couple of spares from other damaged mikes. The horizontal lines above the scale on the sleeve will measure to the thousandth of a millimeter, or .001 mm. We see that the Brown and Sharpe #8 above is not properly zeroed. Similar to many other makes, the thimble can be separated from the spindle by removing the screw or speeder from the end. Once the spindle is in, run it through the entire range. Is this model adjusted in somealternate way?I see two screws at the anvil end and suspect these are used to make adjustments but I find no information on the internet that explains how to do this.And, how is the spindle secured to the thimble? Any recommendations on how to fix this? 10-27-2013, 01:02 PM. Test fit the lock assembly over the spindle. All; Measuring & Test Equipment; . The threads the spindle engage (40TPI, for 0.025"/revolution) are in a sleeve that threads into the frame with a different pitch, allowing for quite fine adjustment by the differential thread principle of about 0.00625"/revolution. #4. See Details. No indication it has been dropped or hit.The spindle lines up with the anvil, and there is no light visible between the faces when closed. 5 years ago This all comes at a price. The space between the measuring faces is changed by rotating the thimble. Moore & Wright 200-02 Ext Micrometer . The wrench is used to loosen the cap. Congratulations. Fine Adjustment Vernier Caliper 111 Series Precision Vernier Caliper 115 Series Features Standard: DIN 862 High precision vernier caliper . Once the oil worked through and the spindle, begrudgingly, began to free up, I ran it in, not out. I was not exposed to dismantling precision tools until my apprenticeship at B&S mfg. 17200. Penetrating oils do a great job for this type of work. To oversimplify, and without propagating all of the uncertainties involved, the error was less than 3/10000" for all test points, and the cumulative error was about 2/10000. They have a smaller inherent uncertainty than calipers, in part because they satisfy Abbe's Principle, properly used have greater immunity to the influence of operator technique, and generally have an order of magnitude greater precision and accuracy. The spindle turns freely and has no significant play, but it won't quite zero. Over the years and at different jobs I've had, I have seen many a botched up micrometer or dial indicator. Features The Moore & Wright 891 Series Adjustable Depth Micrometer features interchangeable depth rods, with a 4mm diameter. This is pretty much consistent with the faces being a little out of parallel, and the thread being a little worn at one end of the range. Read More. The spindle needs to be held by the smooth portion in a soft, firm holder, such as a piece of soft wood with a hole slightly smaller than the spindle that is then split through the hole. Since I have a donor, maybe starrett will go easy on me with regards to cost. Practical Machinist is the easiest way to learn new techniques, get answers quickly and discuss common challenges with your peers. That, with the pattern of rust on the surface and little pitting on the spindle, led me to believe that the spindle was rusted in at the exposed end, but the rust wasn't into the threads, so, if nothing else, I could cut the frame and spindle and use the thimble end as an adjustable lathe stop. Made, exceptionally well, in Sheffield, England. That is done. Once the screw is out, removal of the thimble is easy. Using the wrong wrench will lead to heartbreak. The target is straight out without cocking the key in the keyway. I begin with: "Hello, worms. See my adjusting and older micrometer instructable for and example of how a wrench might be made. The barrel turned in the holder. Moore and Wright 1966/2 External Micrometer. 0 0 items: This website is now closed. Much used but well cared for. Bamboo skewers, cotton swabs, and mineral spirits are good for this. For the price, for me, this was a definite buy. It needs to be able to be moved without being so tight the wrench pin will break. The desired outside diameter is slightly smaller than the serrated section outside diameter. Clean, with no burrs or roughness. Often, the spring is also there, but they do sometimes get lost. Moore & Wright - Micrometers, Probes, Digital Verniers, Internal Calipers, Dial Calipers, Measuring Frames & Feelers. Micrometer. Moore & Wright. Need to adjust it though. Any damage to the face limits the utility of the tool and can affect the accuracy. The unit shown has a ratchet speeder for force control. It may be gummed up or corroded in place. . Find many great new & used options and get the best deals for Vintage Moore & Wright No 965MF Micrometer With Original Case & Spanner at the best online prices at eBay! I always wondered about what goes into a micrometer. It should slide freely up the spindle. The Brown and Sharpe used a lock screw to hold the stem in place when adjusted, making for a fairly easy and reliable setup. When inspecting the tool, two things come in to play: visual inspection and tactile inspection. See details The big concern is the rust. The oil is flammable, so flames are out, but any ignition safe heat source that can be used to quickly warm the barrel an frame where the spindle go through up to maybe 80 or 100 degrees (175 to 212F) will help open up gaps. MOORE & WRIGHT externes Mikrometer 3"" - 4 - EUR 14,80. Thank you in advance! countryhumans comics tumblr You should be able to hold the knurled section of the thimble in one hand, and loosen the cap. 4 years ago. I check this using an optical flat. . The Tubular Micrometer Company and Scherr-Tumico designs are quite different than any other manufacturers. Moore & Wright Micrometer w/Case No. If there had been, then those are the places to stop, put a little oil on the threads, and run it back in. There are a lot of ways, and everyone has their favourite. Part No: MEB-MW279-01A. To learn more, please refer to the cookie policy. No abrasive, just lint free wipes and brown paper. Just no looseness or slop. BEFORE DOING THIS: there are two setscrews in each location. After several minutes working the threads back and forth, the spindle advanced until it just about met the anvil, and I was able to clean off a lot of the rust. Is the frame bent? Is there a straightforward way to separate these two parts? In that case, the solution is penetrating oil, maybe a little gentle heat, and gently working the screw. Note that on many of these mic's, ham-handed users have damaged the screw slots or bent the anvil stem. The tool was bought at a yard sale for US$1. Yes, your hand produces goo like everyone else's. It can be worked off the barrel, but there is a friction spring under it (in every instance I have seen) that will come loose. My high school shop class though intense with technic and constant training on different machinery. There are several benefits, as well as a few frustrating drawbacks. Be sure the contact surface inside the cap has been wiped with oil and that the threads on the thimble have as well. This is the part that is overly tight for some reason. I would not recommend a tool in this condition as a first tool, even at the price, due to the need for significant repair, and the uncertainty about whether it can be repaired at all. 25-50mm . As to the problem, the most common, in my experience, is a sprung lock. MOORE & WRIGHT Micrometer w/Case No. No corrosive chemicals. Would heating the old sleeve with a heat gun help get it off by expanding it a little bit? There are more comprehensive checks that could be done, but the errors that have shown already don't warrant going there. Magnetic base maw std adjustment R 719.00 Incl. When using a Mitutoyo digital micrometer of range 0-25mm, after measuring something of size 24mm I have accidentally rotated the spindle beyond the upper limit (above 25) and now the spindle is locked in this position. 2. This has a ratchet thimble. Number of adjustment notches: 1: Reading: 100/200 mm: Admissible error: 0,003 mm: Spindle diameter: 6,8 mm: Graduation: 0,001 mm: Show UNSPSC/ECL@SS. Since the measuring faces are less than perfect, and I have no history of the device, I also checked several other factors. These adjustable depth micrometers conform to BS64681984. These have a plain end cap. We ship worldwide. If you drop the screw, good luck finding it. But that is a different lesson. It may take a little force. Let's examine the evaluation, repair, and adjustment of a second hand Starrett model 436, one inch range, 0.001" resolution caliper. To adjust this mic, loosen the screw in the side by the anvil. It should have a smooth, uniform feel the whole way. The Brown and Sharpe manual specifies this be done by grasping the spindle, not the thimble. A Eurocopter EC-135 police helicopter of the Bavarian State Police. Simply select your required attributes below and hit the button Measuring Range Max: 25mm Graduations: 0.01mm Accuracy: - No. Some of the earliest micrometers adjusted using a threaded stem on the anvil. Although it possibly dates from the 1930s (it is in the 1936 catalogue) it is in near . The wrench has a pin that goes into the adjusting hole in the barrel, allowing the barrel to be rotated against a fair bit of friction to fine tune the zero. 20.88. If the spindle moved through the full range without major hangups, and there weren't major dings in the measuring surface, I would recommend it, with the qualification that it will take complete disassembly and will need to be checked over the full measuring range. On a 0-1 inch mic, run the spindle to the anvil, and if it doesn't read zero, note how far out it is. Be careful not to lose the spring. 0-25mm . 75.95 . If it won't move after a week or so with penetrant, then decision time comes in: let it be, or up the ante a little. You appear to have the lock removed, so the next most likely is that there is debris in the unit, either in the threads or the bushing end of the bore. Once the screw is finger snug, the spindle is backed out a turn and the screw snugged up. On all examples I have knowledge of, the threaded sleeve is brazed into the body of the barrel (see photos-- yes, I ruined one so you don't have to. You can get a good fit in the hole and provided it's not. Complete with original box and care/adjustment sheet. The threads were clean, so not a big deal. I have a Brown and Sharpe No 10 older version and it does not appear that the thimble comes apart. Features Standard DIN 862 Standard workshop model with stop screw Equipped with fine adjustment 4-way measurement Assembly slider model Made of hardened alloyed stainless steel Chromed scale with engraved graduations Measuring . 1,693. With more than 10.6 million unique visitors over the last year, Practical Machinist is the most visited site for metalworking professionals. 925MF Metric -13mm/.01mm, New Old Stock. The thimble is held on by a screw through the end. A German geographic mile ( geographische Meile) is defined as 115 equatorial degrees, equal to 7,420.54 m (24,345.6 ft ). If the spindle threads or the frame bore need cleaning, now is the time. These early, . Too much freedom isn't good since this friction needs to hold the final adjustment. The method varies from make to make, but most Starrett, and makes modeled on them, have the thimble fit to a precision tapered section on the spindle end. If there is significant play, unthread just enough to allow the adjuster to be separated from the sleeve, turn the adjuster one position, and retry.. Is a Moore and Wright, but in a Starrett storage box! Moore & Wright 940X 0 - 2" adjustable micrometer. Price: 41.17 (49.40 Inc VAT ) Quantity: RDG Tools Catalogue | Moore & Wright Section | Moore & Wright Micrometer's | Moore & Wright Micrometers "Imperial" These techniques and skills need to be taught to the new generation.When they shut down shop class, was the worse thing schools could have done. The micrometer under evaluation is old and beat and rusty. A common German mile, land mile, or post mile ( Gemeine deutsche Meile, Landmeile, Postmeile) was defined in various ways at different places and different times. Be the first one to write a review. It is a standard right hand thread. . Once the spindle tension and play are set, zero adjustment can be done. Moore & Wright 891M150 Adjustable Depth Micrometer 0-150mm/0.01mm 234.64 2 remaining at this price! Moore and Wright 279 Series Adjustable Micrometer Stand Base Clamp MW279-01A 19 product ratings Condition: Brand New Quantity: 2 available / 342 sold Price: GBP 25.22 ApproximatelyAU $46.60 Buy It Now Add to cart Add to Watchlist Free returns 342 sold Postage: GBP 17.73 (approx. Visual inspection starts with overall appearance. Now the tool can be tried out. It shouldn't need any excessive force, whether a speeder or a headed screw. I might send it in or just look for a 2-3 on the used market. First, lets look at how it SHOULD be. With roots fixed firmly in Sheffield, England, the company began by manufacturing a range of calipers, screwdrivers, punches and other engineers tools. Also note that, over the years, there have been a number of subtle changes in these, including spindle diameter and exact dimentions/form of threads, so not all parts are compatible. In this example, the spindle is run to its zero position on a 1" gauge block, and the thimble is positioned for the desire reveal of the graduation lines. Take care of the wear adjustment ring. After thorough cleaning and drying of all parts, the spindle was test fit to check the thread fit. Manufactured from hard wearing stainless steel, the Calipers offer a zero point at any position and a conveniently located on/off switch. The collet is part of the frame assemble and also acts as the lead end bushing to guide the spindle. Back the spindle out until the castellated feature is just visible, but no further. Then, a light wipe of oil on the spindle end taper, wipe it off to leave a bare minimum film, and place the thimble on lining its zero mark with the index line. The lock has a spring cut in it so it has friction to hold it in the frame slot. 4 years ago. For critical users, periodic calibration is done to insure that the tool not only zeros properly, but that it is correct over the entire range, and to determine the uncertainty and errors at points throughout the range. First, make sure the spindle is backed a few turns away from the anvil. Bowers also own Baty who I think still have UK manufacturing, so some of the M&W stuff might be sourced from UK suppliers, but other stuff is definitely imported. Watch through the anvil end of the bore and finagle it until the spindle slips through. So after reading, I removed the thimble and used a stainless steel pad and a little adhesive remover (didn't) know where my 3n1 oil was. I think its only .001" out; as when the faces just touch the line is on the 1. THIS SUPER QUALITY MOORE & WRIGHT MICROMETER IS IN GOOD CLEAN CONDITION, IT IS COMPLETE WITH WOODEN BOX 3 RODS AND 2 SPANNERS. Use the force control device (friction collar or ratchet) if present. Fixing and calibrating a rusty seized Moore and Wright 2 inch imperial micrometer I bought for a pound (1) at a car boot sale!John over at @doubleboost published a series of 3 videos with is friend Bob on micrometer servicing which goes into more depth:See pinned comment for links to Bob servicing micrometers.0:00 Introduction0:37 The first problem0:54 Un-jamming the locking nut1:52 Oiling the spindle thread2:18 spindle freed off!2:39 Removing rust with a soft brass brush3:34 Removing the spindle4:04 Inspecting the threads7:54 After cleaning the threads with brake cleaner8:05 cleaning the lock nut9:50 First re-assembly11:11 Checking calibration12:49 Attempting to calibrate the micrometer14:25 Disassembly to free barrel17:37 Re-Checking calibration18:32 Error in where the barrel is19:00 Resetting the barrel position19:40 Adjusting the stiffness of the thread25:14 Checking final calibration26:29 Conclusion . Once out, it was cleaned to remove the last of the rust using the same lint free cloth and brown paper technique. Work it both ways (righty-tighty and lefty-loosey). The frame holds the parts in the appropriate configuration. Many of the "economy" micrometers fail pretty much every inspection point out of the box, and, even in need of work on the measuring faces, this is more accurate and more repeatable than a number that have come across my bench. . Too much force will damage the tip of the screw and it can be a bear to free and need replacement, such as if the tip of the screw is broken off. While applying gentle pressure, thread in the spindle.
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