Clock mainspring chart To lose Jauch mainspring with barrel has a gear with straight arbor shaft. Cas-Ker Catalogs and Information. Barrels with mainspring; Factory part No. How do the new Chinese mainspring winders compare with the Swiss sets by Bergeon, and which of the Bergeon ones offer the best combination of useful sizes? 31 Day Commercial Mainspring – Loop End 400-Day Anniversary Clock Parts (29) Books & Videos (63) Clock Making & Repair (36) Encyclopedia, History, Identification & Pricing (16) Steven Conover Workshop Series (16) Videos (8) Bushings (53) Arbor Bushings (8) Clock Materials; Pocket Watch Parts; Movements. Once the mainspring is out of the movement you have the added problem of removing the Mainspring – 5/16″ Wide x . N. Gallery Mainspring Winder Size Chart How to Wind a Mainspring with the Bergeon Mainspring Winders. Fitted in 28mm diameter nickeled barrel. The thickness of the Hole End Mainspring is done next. IMPORTANT NOTICE. 015" x 126" Hole Time and Strike for New Haven #95 It's a master mainspring chart I made over the week. These charts have two RPM columns to show that in the left column calculations were made up the column, Selecting the right quartz clock movement can elevate your clock project. Email. Whether you need standard, high-torque, chiming, pendulum, or continuous sweep movements, this guide explains their features and applications. Here is a convenient size chart for the mainspring winders we supply. Winding up the mainspring again. This is easy and faster than replacing the mainspring. If sending in the barrel, please leave the mainspring in the barrel. Identification of Types of Timepieces Antique Clocks Identification and Price Guide; How to Identify Antique Clocks from Hunker; Identification of British Clock Types from Brian Loomes; Who Made My Clock? from Brian Loomes Just What Is A Railroad Watch? by Kent Singer A man with a clock always knows the time. Timesavers is now selling a new mainspring for American clocks, part number 18790. Urgos Clock Conversion Chart. roughbarked. Then match it up with the proper section of the chart. Trust Clockworks, Inc. This measurement can be in inches Mainsprings for every type of clock, arbors, and barrels. The horologist's headquarters, Cas-Ker has a large selection of watch and clock mainsprings, including Waltham pocket watch mainsprings. 25mm thick. Between the key chart or by movement type information below, the chances are good of getting the perfect key. CML 190. for expert repairs The data collected would vary from mainspring to mainspring and from clock to clock. If you have the thickness and width correct and you find it on the chart, but the length is not perfect it is still ok. 0mm, and 14. MS291 Mainspring (80-709 Clock Keys and Cranks- Use our clock key chart to figure out the exact fit for the clock. Sold individually. . A 400 day clock might have a longer mainspring. Like All Herschede and Jauch; 1200 Series Chain Wound Movement Parts; 3 Weight Tubular Bell Movement Parts; 5 Tubular Bell Electric 120 Movement Parts; Chime Blocks Clock Mainspring, TRIFIX Brand, Manufactured in Germany Size: 10x0. When a mainspring breaks or no longer offers enough energy for precise timekeeping, a replacement will be We also offer a large variety of clock barrels such as Hermle clock barrels and Kieninger clock barrels. P440 30-hour MS (3/8 x . 45mm total thickness. This size is also listed for Sessions 8 Day Parlor, Kitchen and Banjo Clocks, and Time, Strike, and Chime spring for Sessions Chime clocks. Search The only way a clock can be overwound is if someone winds it up for so long that the mainspring becomes stuck. I used a small Sligh wall clock with a Hermle 341 mechanism from 1987. If the clock is over 20 years old it is instead of only 8. 0mm, 8. Next is the thickness, again using the digital caliper in inch or mm. Steel mainspring clamps. Hampden Mainsprings. The MSW-5000 utilizes collets to lock in the arbors and therefore does not require let down keys such as other designs. - Mechanical Clock Mainspring Ordering Tabs. 014 x 48 . more info. It is 3/4" wide, 0. Apr 23, 2009 3/4" x . Clockworks. This page contains a chart of American balance staffs with measurements and part numbers for the major watch Herschede Weights Reference Chart; Herschede-Jauch Compatibility; Jauch PL-37 Mainspring Clamps and Winders; Morbier; Movements and Escapements . There is no other way to do this task. Also see 400-Day Mainsprings and Jauch Mainsprings for additional mainspring options. 21 x 1525 x 28. 20x20 (Height x Add to Cart. 6 3/4 x . Clock mainspring sizing A design approach based upon statistical analysis Guy Gibbons, OBE, MIMechE, MBHI Introduction A spring-driven clock’s energy and hence power requirement has always been something of a mystery to me, and there are so many variables that I have found it impossible to undertake a classical scientific analysis. It also looks like it has reasonable resistant to thixotropy, assuming I'm reading the chart correctly. ClockHistory. e. Tools for Watch Bracelets; Battery Testers & Tools for We also offer a large variety of clock barrels such as Hermle clock barrels and Kieninger clock barrels. Generally speaking I am still waiting on a backordered pendulum and currently using a doner from one of my clocks but I have a issue I would like some suggestions on. Look on the chart below for the width column. It is uncommon but sometimes even the sides of the wood case get damaged when a mainspring breaks. Jan 1, 2005 It is the nature of clock repair that there's no way to tell (1) when or why or in what manner a mainspring might break or (2) But because springs can and do bust, one cannot be sure whether the springs we find in a clock are the original size. Waltham Mainspring 0 Size MS-JA729 $ 22. Timesavers. 4 KB) Quick Pivot Guide: September, 2014 (408. LOOP END CLOCK MAINSPRING 19mm x 0. Quick View. While the exact clock models compatible with this mainspring aren’t specified, it’s likely intended for certain Westclox alarm clocks from the mid-20th century. Westclox Mainspring Chart Mainspring sizes for Big Ben, Baby Ben and other old Westclox alarm clocks. Mainspring Winder, Ollie Baker Style (USA) From £35. Removing a clock mainspring barrel. Make sure that whatever you use, as the mainspring clamp, is strong enough to hold the mainspring in place while you unwind. Best of luck with your clock, Dick designed and developed by Webselect Registered & Head Office: HS Walsh & Sons Ltd Hunter House, Biggin Hill Airport, Churchill Way, Biggin Hill, Kent. 59 Extensive clock repair notes, clock and watch escapements in motion on the net, In the Hermle, the torque values have been adjusted to account for the stronger chime mainspring. 017 There's a good mainspring chart in the back of the Swigart book. These clock bushings are available in brass and bronze. As the range of suitable, ready-made clock mainsprings available to repairers diminishes, the need to make or modify a spring is becoming more common. Welcome to our store Mainspring Bridles; Watch Gaskets; Get a Quote; About our watch parts; Go to Watch Parts; Watch Parts by Brand. Clockworks, Inc. Learn about different types of mainsprings, common issues, and maintenance tips to keep your clock in top condition. It is possible that the pivots that go into the outer plates or the arbors have bent. £5. Measuring the loop-end mainspring length. American clocks often have loop ends, French, German and English clocks generally have hole ends like the one in Image 2. teribert; Monday at 6:46 AM; Clock Repair; Replies 9 Phone (303) 469-1220 FAX (303) 439-0186 Email parts@milehiclocksupplies. Now you have a narrow section of the chart of sizes your working with and only need the length. Pocket Watch Parts. 9 MB) Key Sizing Chart: May, 2020 (341. 009 Strength x 20″ Long $ 3. The fine clock parts suppliers listed on my links page will be happy to send you a catalog if you would like to order mainsprings. 25x⌀25. 8 cm)” and Then a comparison of these measurements to the mainspring chart will show the appropriate spring to install. A man with two clocks is never sure. TN16 3BN ©HS WALSH & Sons 2021 How to Use the Urgos Clock Conversion Chart. There is a lot of variation in these springs between manufacturers, and across clocks made by the same manufacturer. Deceased. harold bain, Member ch 33 "If it won't "tick", let me "tock" to it" bangster Moderator. Hermle Barrel & Spring - CB1311 SKU: CB1311. Cart 0 item(s) in your cart Total: £0. Note: Barrel 52: 49. 3328. 180. Within each width size there Hermle mainspring barrel numbers Mainspring barrel number to size spring Barrel Number Mainspring Dimensions MM 10 17 x . MS307 Mainspring (80-517) $25. 0165" thick, and 96" long. 25x⌀20. 014 x 70 Hole For 8-Day Marine and Ormond Clocks. HOROLOVAR 400-DAY CLOCK The clock mainspring winder supports both loop-end and hole-end springs. If this happens, no power can be delivered to the movement. 2. The width in mm is 5. To lose one's wealth is sad indeed, to lose one's health is more. 017 x 96 Loop Time spring for Verdi Clock CML 95. 4, strength in mm 0. The Clock key size chart has all of the sizes listed however sometimes certain key sizes are known. 35. Can be used on other clocks as well. Sent it to Clockworks PO Box 339 Huntington MA 01050. Mainspring Winder, Bergeon. 25X800MM [Deutsch]ZUGF. The mainspring let down tool allows the release of the mainspring with the fist rather Still looking at the mainspring chart, you will see that the exceptions are the widths of 4. 0024 inch thick spring) Clock Repair Tools; Clock Mainspring Winders; Taps & Dies; Go to Tools for Clocks; Tools for Watches. Filter: 7 results. Username or email address * Password * Determining the correct size for your clock key is crucial for maintaining your clock’s functionality. In-Depth Swatch Group Battles Along with watch parts Otto Frei www. Cas-Ker Mainspring Catalog 900. B. Jan 1, 2005 20,014 658 113 utah Country Region. 0mm, 9. Watch Movements; Clock Movements; Mainspring Size Chart. Mainspring Winder, Ollie Baker Style (Indian, High Quality) From £4. Still looking at the mainspring chart, you will see that the exceptions are the widths of 4. If your clock will run with a thinner spring, it'll cause less wear to the trains. 4 KB) Bushing Chart for Bergeon Bushings: Brass or Bronze: September, 2014 (60. If you still use the paper catalogue, the part numbers have not changed. ANTIQUE GERMAN & AUSTRIAN CLOCKS; ANTIQUE FRENCH & SWISS CLOCKS; ANTIQUE E. 013 x 69 Loop For all late model Alarm Clocks, Time and Alarm. Bronze bushings are very strong and durable and thus used in high pressure locations. Illinois Mainsprings. is this worth taking apart to fix. 42. The Loop-End clock mainspring description consists of a long flat spring with a loop on one end. 48 x 1450 x 43mm) (5143) Greetings! I have a Ridgeway Mantel Clock I purchased for my parents in 1983. com CLOCK MAINSPRING By Manufacturers 3/8 x . Letting down the mainspring power. LaRose NEW H AVEN N A 3/4" x . 105. Clock keeps time 3-4 days and then starts slowing down dramatically after that. 012 x 72 Loop Time and Strike spring for Class Reg. 40mm x 4200mm 31 day clocks. Size definition (mm): Hole Diameter x Overall Height x Bushing Outer Diameter x Overall Outer Diameter Installing the new clock mainspring and about spring winders. It features a unique suspension system, where a rotating pendulum or torsion spring controls the movement. Often a clock mainspring barrel can be taken out without disassembling the clock movements outer plates, on Hermle or Kieninger clock movements. Search Now have a narrow section of the chart of sizes working with and only need the length. This article will be a 2-part series devoted to the servicing of the 400-day or tooth, or gear depthing problems (depthing problems are extremely rare), used a mainspring winder to remove and install the mainspring, cleaned and lubricated same, pegged all pivot holes When there is doubt, here is a partial chart which may help from time to time: Clock Mainspring Chart Is This A Clock Mainspring? Dave D; Jul 18, 2024; Clock Repair; Replies 5 Views 269. Choose Options. plus a range of tools such as winders, ultrasonic tanks, bushing outfits etc. Concord Watch Parts View the largest range of clock mainspring winding & let down tools View Best Sellers. At Clockworks, Inc. Metric equivalent is: 16. is usually stamped on original barrel; For barrel arbors see from our code HERE00502370; Hermle Clock Movement Service Manual: Item Number H31543 . This guide explains how to measure the winding arbor, use a key size chart, and where to buy the right clock key. I see alot of recommendations for different springs. Mainspring winders are an essential tool when you need to replace the mainspring in your watch. 45 x 1490 11 17 x . 42 x 1500 Once the width of the clock spring is written down and you are in the right location of the chart, continue with the next measurement. Mainspring Gauges and the Dennison Combined Gauge 5 European Mainspring Gauges At least six mainspring gauges were used in Europe, but it was hard to find out anything useful about them. The following link provides a formula for sizing clock mainsprings in barrels. Thus, it is not inside a barrel. Getting the right one We have mechanical clock keys in all the sizes available. Extensive clock repair notes, clock and watch escapements in motion on the net, In the Hermle, the torque values have been adjusted to account for the stronger chime mainspring. Welcome Guest. Naturally, suspension springs do not have to be exact in length. 8mm to 7. P1238 Hermle Mainspring (for #11) 16. 5X0. The best answer will come from someone who has a clock Always use the right mainspring for the clock. View Loop-End Clock Mainspring Description. ofrei com has watch tools, clock parts, clock tools, jewelry displays and packaging items, watch The factory number for the Pioneer Resilient mainspring is 2245 and for the Waltham Permaforce Alloy mainspring 2275. Hole, Loop, and Special-End Mainspring Size Chart: Clock Troubleshooting Guide: May, 2020 (2. SCHLAUFENEN 7,5 X0,25X800MM [Espagnol]MUELLE MOTOR EXT. Kundo full sized clock (about 12″ tall): . It can be a frustrating puzzle to do, and a dangerous one also. 9 KB) Bushing Chart for American-Made #clock #clockrepairIn this video I explain the workings of a mechanical clock mainspring. Please Click Here to view our Extensive Mainspring List. 014 x 70 Hole For Ormond 9-Day Clock CMH 160. The units are equipped with a Temperature Compensating Spring designed to fit models as listed in the options. A mainspring is otherwise measured by three criteria: its width, its thickness, and the diameter of the barrel it is for. Jul 19, 2024. 75 - $710. - Get the right sized mainspring for the clock the first time around. The three collets support arbor sizes from 1. 44mm thick x Each Sligh clock houses a specific type of movement that controls the clock’s mechanisms, including its timekeeping, chimes, and hands. sku: 400DAY SS. Sending the Hole-End mainspring. Mainspring data now available. About Hole End Mainsprings. The German movement These 400-day suspension spring units are completely assembled with blocks and fork and are guaranteed accurate for the clock and model specified. bangster Moderator. 0165 x96 and made no note able difference. 1 5/8 x . com is not a parts supplier - please do not ask us for parts. Write these two measurements down and again refer to the chart and narrow down the section even more. Products per row 4 6. Hole-End Mainspring Replacement Service Send us your clock barrel for a professional swap out of a new mainspring. Skip to content. Divide this mainspring space by the thickness of the mainspring. MS306 Mainspring (80-516) $17. 19". 5 X . Then determine if the mainspring is a hole end or Below is a chart that you could use, showing the relationship between thickness and strength of two otherwise identical springs. Add to Wishlist. Read this Next. ABOUT CAS-KER. ENCYCLOPEDIA ARTICLES THE CUCKOO MUSIC BOX Beat Setting 101 Clock Mainspring Chart Clock Mainspring Chart Count Wheel Basics Bushing Using Hand Tools Rack Strike Elements Chime Clock Basics Solder 101 All About Pendulums How a Pendulum Clock Works Repairing spring barrel teeth Hermle Chime & The only way a clock can be overwound is if someone winds it up for so long that the mainspring becomes stuck. Username or email address * Password * Log in. Menu. Metric: 4 Width, . sku: HOLE END MAINSPRING. The gauges I have information on are: Montandon: A description of the Montandon gauge (and a mention of the Robert gauge) is in I am new to this site and new to clock repair. Of course, if it needs a mainspring, it is quite probable that the teeth of the barrel may have been damaged when the spring broke. I have measured the width and thickness of the chime spring and it is 21mm x 0. Damage would be within the parts of the gear train itself. 75 Add to cart. Without knowing the exact movement, purchasing replacement parts or maintaining the clock could lead to problems. 869" total thickness (includes gear). Used for removing mainsprings in clocks. With the below information and the clock key size chart a key can be ordered. Please send with it a check for $100 and a note with the contact information. Jauch mainspring with barrel has a gear and arbor shaft. 50. Mainspring sizes for Big Ben, Baby Ben and other old Westclox alarm clocks. 35 x 1350 x 36mm) (5127) £12. CLOCK MAINSPRING WINDER - PROFESSIONAL GRADE. In other words, this is the type of mainspring that can be seen. Lost your password? Remember me. £4. Measure the Hole End Mainspring by taking the spring out of the brass clock movement barrel. 012" x 90" Hole Strike spring for Harmonious and Duo Clock and No. Brass, on the other hand, are softer and easy to work which ensures a tight fitting pivot. It is vital that a spring is Clock Loop-End Mainspring Replacements for the type of clock where you can see the mainspring, and it is not contained in a cover called a barrel. Quick view. This next generation mainspring winder is a little larger and stronger than the Ollie Baker winder and is designed A clock bushing is a round brass or bronze part that has a round center hole. Password Forgot Password Hole end Many American antique clocks with open (not in a barrel) mainsprings use a “standard” mainspring of 3/4″ wide and approximately 18 thousands of an inch thick. Can't find the spring you're after [English]LOOPEND MAINSPRING 7. Indranil The oldest existing spring-powered clock is in the Germanisches Nationalmuseum, in Nuremberg; it was given to Headline image, SPRON 510 balance spring, with mainspring barrel, balance, escape wheel and other components; for more technical information on SPRON 510, visit SII online. 5 X0. Click Here to Shop for Clock Keys. The damage could be within the movement itself or to the clock case. The content of this website is copyright by Clockworks and written by James Clock Parts > Mainspring > Hermle Barrels with Mainsprings: P864 #10 Hermle Barrel & Mainspring. by Mervyn Passmore. x 24. MS305 Mainspring (80-515) $16. If the clock runs slow, simply raise the pendulum bob with the rating nut at the bottom. Now have a narrow section of the chart of sizes working with and only need the length. 0. The mainspring winder is a crucial tool for the watchmaker, yet it’s typically unobtainable at the sort of price that beginner watchmakers might want to spend. P1241 Hermle Clock Parts > Mainspring > Loop/Special End Clock Springs: Mainspring Chart (Click). 22, length inches 25, end D. Cas-Ker Co. I thought finding a good mainspring chart would be easy on the message board. 1 3/4 x . 0032 inch; Kundo miniature clock (about 9″ tall, including the oval base model): . The following is a discussion on clock pendulum suspension-spring information. , we specialize in repairing and maintaining mainsprings to ensure your clock runs smoothly. This is because of the incredible power of the spring. D = 50 d = 15 t = 0. View. The LaRose chart linked above listed this as the correct size for Gilbert 8 Day Pendulum, Time and Strike. 00. Barrel only thickness: 1. Options. Then the mainspring has to come out of the brass barrel in order to measure it. Clock Mainspring, TRIFIX Brand, Manufactured in Germany Size: 10x0. I need to replace the mainspring on an INGRAHAM Clock. If the movement you’re searching for isn’t listed in the links above, the conversion chart will provide a solution. All stuff fits the same, it is the same movement just with a longer mainspring inside. Waltham Mainspring 0 Size MS-JA731 $ 22. Hermle Barrel & Mainspring - CB1331 SKU: CB1331. HERMLE BARREL CHART where, N B is the number of turns of the barrel; N C is the needed number of turns of the center wheel, i. 95. Barrel mainspring sizes: No. , in fact almost everything a clock repairer or MERVYN PASSMORE'S CLOCK MAINSPRING GUIDE: Clock Pendulum Suspension-Spring Information. Jerry Treiman, NAWCC member since 1971 Member of Ventura-Santa Barbara Chapter Mainspring Chart • Thread starter "The clock of life is wound but once, and no man has the power, to tell just when the hands will stop, at late or early hour. 75 - Clock Mainspring Damage Article sections Clock Mainspring Damage When a clock mainspring breaks the impact can cause damage to the movement. When the relationship is expressed in percentages, it could be applied to any situation. All Hansen Motors; Hansen Electric Movements w/o Motors; View All; MARCO MAINSPRING NO. Some part numbers are noted with (clock manufacturer name(s)) and more information is in the Older Clock Manufacuturer Table Thumbnail Image. 7mm dia. Seldom is it found that a fouled mainspring will be the cause. offers top-quality movements, tools, and maintenance services to help you keep time in perfect harmony. If you believe that the mainspring in your American clock is too strong, I recommend that you try this mainspring. - Clockworks. Best to check the clock movement's condition before ordering Clock Mainspring Chart Bushing Using Hand Tools Beat Setting 101 Rack Strike Elements HOW A PENDULUM CLOCK WORKS Reassembling a Clock Movement • Clock Repair Tools. , number of hours: 30 or (8 days x 24) or (31 days x 24); W B is the number of teeth on the barrel wheel; W 2 is the number of teeth on the second wheel; W C is the number of teeth on the center wheel, or center pinion for a 4 wheel train; P 2 is the number of leaves on the Octo 8 Day Hole-End Clock Mainspring, (3. By Esslinger Staff | 2018-06-26T17:37:05+00:00 June 26, Mainspring Winder Size Chart. 0 items $ 0. Understanding the role of the mainspring is crucial for anyone involved in clock repair, restoration, or even just owning a Herschede Weights Reference Chart; Herschede-Jauch Compatibility; Jauch PL-37 Back Movement View; HOROLAVAR 400 DAY CLOCK MAINSPRINGS Quick view. Movements are unique to each clock model and are key to successful repairs or upgrades. 75 Timesavers is now selling a new mainspring for American clocks, part number 18790. To Purchase mainsprings through us you’ll need the following information: the width in mm, the thickness in mm, and the approximate length in inches of the existing spring. com supplies many mainspring winders to fit a variety of watches, but you don’t always know which size tool you need for your specific job. All Movements and (Part Number 083585) minute hole 4mm and hour hole is 6mm. 2-11/16″ (6. It is to replace the worn pivot holes in a clock movement. 10 $ 0. 33. These are not always easy measurements to get, and the mainspring would need to be removed from the clock. This calculation, performed iteratively, determines the correct mainspring thickness and length even if the old mainspring is incorrect. 4mm. Reply. The type of springs that are wound in a brass barrel enclosure is known as a Hole End Mainspring. This video addres The Clock Part Store One of the world's major distributors of spare parts for clocks, clockmakers' tools and supplies to clockmakers and clock & barometer repairers. Search Then a comparison of these measurements to the mainspring chart will show the appropriate spring to install. Also see 400-Day Mainsprings, Jauch Mainsprings, and 31 Day Mainsprings for additional mainspring options. ADD TO CART. By the above formula, we can approximate it to have 77% of the strength of a similar 0. CLOCK MAINSPRING By Manufacturers 5/8 x . These charts have two RPM columns to show that A vast selection of clock parts, cutters, books, barometer parts, barograph charts, gramophone parts and tower clocks. 5mm, 11mm, 13. Many grandfather clocks use a #10 or #11 winding crank, and it’s important not to wind them with a conventional With our focus on quality we have chosen to stock only KWM and Bergeon clock bushings. 45 x 1490 x Knowledge Base Measuring Hole End Mainsprings Article sections About Hole End Mainsprings The type of springs that are wound in a brass barrel enclosure is known as a Hole End Mainspring. For a Hole-End Clock Mainspring replacement-service, all you have to do is send clockworks the clock barrel. Measuring the loop-end mainspring length Mills Clocks are importers and suppliers of clock suspension springs and parts for 400 day clocks. First, locate the old number on the chart and match it to its Based on the Moebius "Radar" chart, it looked to me like 9550 would provide superior friction reduction and excellent pressure resistance so it wouldn't squeeze out from between the coils of a clock mainspring. We offer keys and grandfather clock cranks. £24. HOLE END MAINSPRINGS $3. You can either order from that size or use this chart to find the clock key # that corresponds to your size. $7. Ansonia Suspension Springs; Divide the outcome by 2 because the mainspring only occupies ½ of the barrel. 18" total thickness (includes click wheel). 1-800-387-5117 (CANADA + USA) | 416-422-4600 | 604-560-1470 Identification of Types Identification of Makers Identification Services Dating of Timepieces Bottom. Hermle Barrel & Mainspring No Clock Mainspring Break Damage Article sections Clock Mainspring Break - Damage Assessment When a mainspring breaks within a clock movement, it could cause damage. The mainspring provides power to the mechanics of the watch. Replacing a clock mainspring is a common repair. 5 MB PDF file. Howard Mainsprings. Welcome to our new and improved multi-lingual website. My spring charts indicate the sizes for Gilbert 8-day time & strike are; The clock has been running now for about 20 hours with no problems except for the chime which stalls. Mechanical Clock Mainspring Ordering Tabs Article sections Loop End Clock Mainspring - Used on Antique spring driven clocks. CMH 160. 30-hour weight-driven Ogee clocks typically require a #4, #5, or #6 crank key. For detailed information on Westclox mainsprings and their corresponding models, you can refer to the Westclox Mainspring Chart. 2mm wide x 0. 25x20 (Height x Add to Cart. Regularly $20. First, measure the Hole End Mainspring by taking the spring out of the brass clock movement barrel. The methods of applying oil, the equipment necessary and which components to oil are common to both clocks and watches. Brand Hermle displaying: 7 results. Hole end. com. Most often the mainspring will break near the inside of its coil. This coiled strip of metal, typically made of high-grade steel, stores energy when wound, which it releases gradually to power the gears and hands of the clock. I know I have found one in the past that I would encourage you to check that out. After finding the Hermle movement date code, it can be figured out how old the clock movement is with the below chart. Finding items is greatly improved. 009 x 72 Hole Strike spring for Chime Clock. A huge selection of mainsprings for many clocks. Related Products. 10 = 17 x 0. CMH 190. 2550 Civic Center Drive | Cincinnati, OH 45231 | CALL 800-487-0408 | FAX 800-487-5848 | Cincinnati 513-674-7700 Loop End Clock Mainspring First, measure the width. Looking at any mainspring chart from your parts supplier's catalog, (See the next section), you will see that the sizes are listed by mainspring width. Return to Index A service from, Clock Parts Pocket Watch Chains Looking for a replacement mainspring for your watch but cannot find it on our website? Click Here for Our Mainspring Winder Size Charts. become efficient at lubricating any type of clock, watch or chronometer. Return to Index A service from, The Two Clock Mainspring Styles. Grandfather and Ogee Clocks. Mainspring (Clock), Trifix 10x0. Apparently “Howard Miller” sells only one winding key that looks like mine; it’s described as “W. The Urgos clock conversion chart is an essential reference when the old unit is not included on the list. 9 5/8 x . The pendulum was 24 cm. 00 - $ 10. 3mm, which have one (1) Have fun but please take great care when handling a clock mainspring. 15. 400-Day Anniversary Clock Parts (29) Books & Videos (63) Clock Making & Repair (36) Encyclopedia, History, Identification & Pricing (16) Steven Conover The information contained in this program is essential for all clock repair enthusiasts. 6 5/8 x . It is all in order of Width first, followed by Strength, followed by Length, as well as in order of Hole, Loop, and then Hook. The second clock in this experiment had a Graham escapement. 06" Diameter and . A 400-day clock, also known as a torsion clock, is a type of mechanical clock designed to run for about a year (400 days) on a single winding. Price £0-£50. Waltham Mainsprings. Gallery Mainspring Winder Size Chart How to Use Watch Dial Feet Milling Tool. 2) Match the manufacture number engraved in the bottom right corner on the rear plate of the movement to the chart below. Arbor for Bergeon Mainspring Winder Right Handed. " Herschede Weights Reference Chart; Herschede-Jauch Compatibility; Jauch PL-37 Back Movement View; Jauch PL-37 Dis-Assembled Movement View; Jauch PL-37 Front Movement View; CLOCK MAINSPRING WINDER - PROFESSIONAL GRADE. 5mm) (SA83) £8. 016 x . 3328 Marco Mainspring No. This way you can remove the entire mainspring (clamp and all) along with the rest of the movement's parts. Example: Length of the mainspring when the inside diameter of the barrel is 9 mm, the diameter The mainspring provides power to the mechanics of the watch. Clock Parts > Mainspring > Hole End Clock Springs: Mainspring Chart (Click) P1240 Hermle Mainspring (#20, #21, #40, #50, #52, #56 ) 16. The main differences arise due to the variation in HOLE END CLOCK SPRINGS F Save 10% off the list price when you purchase any 12 “MS” numbered mainsprings from the “Loop and Special End” or “Hole End Clock Spring” sections on pages 65 to 70 MB This entry in the “Barrel Diameter “ column indicates a spring designated for music boxes H replaces Horolovar springs JAUCH MAINSPRING WITH BARREL AND SHAFT. T. . The spring measurement in my clock is 0. The NAWCC is dedicated to providing association services, promoting interest in and encouraging the collecting of clocks and watches including disseminating knowledge of the same. Waltham Clock Waltham Clock Company , July 1899 Manufacturers of Hall and Astronomicval Clocks, Regulators, Office Waltham's mainspring chart, which includes nearly every model, is especially useful for bracketing when different models were introduced. do you need one (yes = safe, no = highly risky) To insert the spring into the barell use the wire wrapped round the spring as a brace agains the top of the barrel wall and then push the spring in while the wire remains braced above / on the barrel edge to about 3mm. If you are replacing a mainspring with a different width, then you will want to determine the thickness so as to have the same strength characteristic. 25X800MM lamp cord or speaker wire. 25X800MM [Francais]RESSORT A BOUCLE 7. 0165" x 3/4" x 97" ( I assume this should be 96"). 0175 thick x 43-1/2" long . At least try your best. 99; Hole-End Clock Mainspring, (10 x . I have 4 old clocks that I am cleaning and repairing. Measures 2. From £11. I then replaced the mainspring with the same 3/4 x . Measuring the loop-end mainspring length Select the loop end mainspring (part number) from the table below. For grandmother clocks (Part Numbers 083586 and 083587) $8. 0022 inch; Suspension Spring Thickness for Kundo 400 Day Clocks . The lubrication of watches and platform escapements will receive attention first followed by clocks. After matching the width, see what is the closest spring in that section in thickness and length. 0. Does not include the arbor. 15 Strength, National Association Of Watch & Clock Collectors (NAWCC) Antiquarian Horological Society (AHS) Atmos Suspension Spring Installation Instructions; Roger Russell's Golden Hour Repair Tips; About Us; Description: Mainspring in barrel-no arbor. 00 Page 1 of 1 CLOCKS. Please send the barrel with the broken Hole-End clock mainspring to us. I provide this chart to assist those who repair old Westclox clocks. How the individual dimensions of the mainspring relate to the power Making a Clock Mainspring. 45 National Association Of Watch & Clock Collectors (NAWCC) Antiquarian Horological Society (AHS) Atmos Suspension Spring Installation Instructions; Roger Russell's Golden Hour Repair Tips; Mainspring for smallest Chelsea TO Movements (Chelsea K/#862). 5 x 0. This page contains a chart of American balance staffs with measurements and part numbers for the major watch factories like Elgin, Waltham, Hamilton, Rockford, Columbus, and Illinois. 40 mm which is what Hermle says it should be. All Herschede and Jauch; 1200 Series Chain Wound Movement Parts; 3 Weight Tubular Bell Movement Parts; 5 Tubular Bell Electric 120 Movement Parts; Chime Blocks A properly sized mainspring will fill half of the available area in the barrel. 0023 inch (Note 4-8-12: I now recommend a 0. Mainsprings. g. long, or almost ten inches, not much longer than the pendulum on the first clock. Category Clock Material & Parts. A mainspring in a clock serves as the powerhouse that drives the movement of mechanical clocks. Out of stock Hole-End Clock Mainspring, (10 x . My Account. Sign In or Create an Account. Calculate Mainspring Length | Horology - The Index The symptoms you describe, however, are consistent with lack of power. 99. Once we have the barrel, Clock Loop-End Mainspring Measuring Article sections Clock Loop-End Mainspring Measuring Loop end mainsprings are measured by width, thickness, and length. View cart Checkout. $43. This loop wraps around the outer plate pillar of the movement. Likewise, if the clock is running fast then turn the rating nut to lower the pendulum bob. I will comment more on these variations later. Definite answers to "the right mainspring" for that clock will be few and far between. The clock model and the approximate year is listed with each part number. I’ve misplaced the key. Chris shows you how to repair a broken hole end on a mainspring taken from the barrel of a clock. Schatz midget 400 day clock (JUM/7 on back plate): . P865 #11 Hermle Barrel & Mainspring. Arbor for Bergeon Mainspring Winder Left Handed. This situation often arises because the numbering system changes whenever a movement is Mainspring Winder Size Chart. Jauch movements were used by Herschede and many other American Clock Companies. The mainspring has to come out of the brass barrel in order to measure it. 1-800-387-5117 (CANADA + USA) | 416-422-4600 | 604-560-1470. Fits Alarm, 30-Hour, 8-Day, and large time clocks. Search Login / Register Sign in Create an Account. -T For the A13A This page contains a chart of Waltham balance staffs with measurements and part numbers sourced from material catalogs. 0mm wide x 0. P867 P1240 Hermle Mainspring (#21,#40,#50,#52) 16. Herschede Weights Reference Chart; Herschede-Jauch Compatibility; Jauch PL-37 Back Movement View; MAINSPRING CLAMPS. The content of this website is copyright by Clockworks and written by James Stoudenmire in year 2022. It is easy to calculate the dimensions of the barrel; you will need at least a fragment of the old mainspring to specify the appropriate thickness. Herschede sku: MS WINDER XL-2. ASA 7. WELCH Clock mainspring length calculator Enter the measurements shown in metric or inches (but not mixed!) e. 018" thick spring. Now find it on the hole end mainspring chart to order a new one. The clock’s long running time is achieved through a very slow, consistent release of energy from the Clock Parts > Mainspring > Loop/Special End Clock Springs: Mainspring Chart (Click) MS304 Mainspring (80-514) $19. M. Jauch movements were used by Herschede and Glass and Lens chart for antique Big Ben and Baby Ben alarm clocks and other old Westclox clocks Train counts and beat rates of antique Big Ben and Baby Ben alarm clocks and model 66 movement 1909 Boyproof Watch Parts Catalog - 1. £30. Save yourself from the tedious, time consuming, and dangerous task of replacing your broken or worn out spring. The mainspring will also still stay inside the barrel. Hole End Clock Mainspring - For a mechanical spring driven clock movements that have a barrel cover over the spring. Esslinger. When a mainspring breaks or no longer offers enough energy for precise timekeeping, a replacement will be The mainspring is a crucial component in a clock, providing the necessary power for its operation. Login to Pocket Watch Database Hermle Barrel & Mainspring. Measures 4. When a clock winds but the spring does not become significantly tighter, the cause is usually a broken mainspring. CML 160. James Stoudenmire 30yr Clockmaker Author of Clockworks. It is also listed below in the item description in a chart format for most of our clock movements. However, if the spring has broken on the outside of its coil, it will sometimes partially wind, then "slip. P1237 Hermle Mainspring (for #10) 16. NAWCC Member. Best to get one a little shorter than longer if using a barrel as a longer spring may not fit in the container. Clock Herschede Weights Reference Chart; Herschede-Jauch Compatibility; Jauch PL-37 Back Movement View; Jauch PL-37 Dis-Assembled Movement View; Jauch PL-37 Front Large solid brass bushings for floor clock movement plates and mainspring arbors. Sep 15, 2011 Mainspring chart . Quick view Select the hole end mainspring (part number) from the table below. Choose Options Compare. CLOCK MAINSPRING WINDER - PROFESSIONAL GRADE High quality clock mainspring winder for the serious repairer or professional. There are many reasons for lack of power in a clock train. 14" Diameter and 1. This is part 1 of 2 on servicing the 400-day (Anniversary) clock. Restore your high National Association Of Watch & Clock Collectors (NAWCC) Antiquarian Horological Society (AHS) Atmos Suspension Spring Installation Instructions; Roger Russell's Golden Hour Repair Tips; About Us; Description: Herschede Weights Reference Chart; Herschede-Jauch Compatibility; Jauch PL-37 Back Movement View; Electric Clock Motor; Golden Hour; Hansen Motors. Description: Hole end mainspring is made in Germany and measures: 5/8" wide x . See other Chelsea mainsprings: #33499, #34021, #34022 Once the clock key is separated from the clock it always seems to end up missing. Waltham Mainspring 6-3/4 & 8 ligne 678 MS-JA763 $ 29. My Account Clock Suspensions by Type. syppyx pejc gplec nfo phct hdyr tujzc ggmb lxbry ydbnk