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Uhrenbausatz Mechanica M2 Instruction Manual

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The Book on the Clock
Instruction Manual,
Development, and Technology of
the Precision Table Clock
Mechanica M2

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Summary of Contents for Uhrenbausatz Mechanica M2

  • Page 1 The Book on the Clock Instruction Manual, Development, and Technology of the Precision Table Clock Mechanica M2...
  • Page 2 The Book on the Clock First Edition Precision Table Clock Mechanica M2 Instruction Manual, Development, and Technology...
  • Page 3 Make your own personal piece of history cherry wood – standard dial – nickel bezel walnut – standard dial – bronze bezel painted black – modern standard dial – nickel bezel maple – dial with cutaway – nickel bezel...

  • Page 4: Foreword

    The uniform ticking of the clock emanates a soothing atmosphere I wish you a great deal of joy assembling your Mechanica M2 and of peace in any room. This fascination combined with the easily then finely adjusting it. A clock of this quality will outlive all of us comprehensible mechanical processes of horology are what led me and will be proudly handed down from generation to generation.
  • Page 5 Many thanks! am indebted to all those who have contributed to this book. Manufacture of the mechanics: The watchmakers and master watchmakers, lathe operators, millers, and precision engineers of the Erwin Sattler clock manufacture Manufacture of the cases: Josef Wochner in Heiligenzimmern, Germany Movement design and texts: Jürgen Kohler, Erwin Sattler OHG Concept, layout, texts:...

  • Page 6: Table Of Contents

    Technical Information of the Mechanica M2 Putting the Movement into the Case Equipment: the Passion Continues Equipment Putting your Mechanica M2 into Motion A Role Model for the Mechanica M2 Regulating your Mechanical M2 Mechanica M1 Care and Maintenance Glossary...

  • Page 7: Instruction Manual

    CHAPTER I I N S T R U C T I O N M A N U A L M E C H A N I C A M 2...

  • Page 8: Important Information Before Beginning

    A clear listing of the accessory equipment with short descriptions currently available to technically and visually upgrade your Mechanica M2 can be found at the end of this book on pages 86-87. In the assembly instructions and explanatory remarks, we have decided to refrain from using technical jargon as far as possible.
  • Page 9 Thus, we would like to remind you here again to proceed Due to danger Carefully prepare your workspace before continuing with the with great care. The dial is indeed the face of your Mechanica M2. of injury with assembly of the movement. It needs to be kept clean and should the sharp-edged be outfitted with a good light.

  • Page 10: Oiling The Case

    The door glass is pushed from the top into a groove within the frame and secured by a screw-mounted lock rail. First unscrew the two The case of your Mechanica M2 is crafted in solid wood. screws on the inside of the upper door bar and pull off the lock rail.

  • Page 11: Assembling The Case

    Oiling Assembling the Case the Case Let’s go The best way to proceed with oiling the case is as follows: In order to avoid dirtying your workspace, cover it with cardboard or unprinted paper since the oil is very hard to remove once it has dried. The case components are already sanded and ready to be oiled.

  • Page 12: Faceted Mineral Glass Panes

    Assembling the Case Get the following tools ready for assembling the case: Tools Watchmaker’s screwdriver Compartment (13) ◊ Standard screwdriver Compartment (13) ◊ Allen key 4 mm Compartment (13) ◊ Oil syringe Compartment (13) ◊ The case door is assembled first. Slide the door glass back into the groove in the case door.
  • Page 13 Assembling the Case Now pre-assemble the bottom and the cornice. Glue the door seal on the front sidebar. Push the hinge bushings into their drilled holes in the bottom and In order to protect the movement cornice plates. Using the oil syringe included, put a drop of watch oil from dust entering later, the case Protective foil in each bushing.
  • Page 14 Assembling the Case Adding the hinge hooks. Adding the glass. Now add the hinge hooks to the bar using the corresponding drilled Now slide the side glass panes and the pane for the back into the hole. If the glass groove is facing behind, the hole in the bar should grooves of the side bars and base.
  • Page 15 Assembling the Case Adding the case’s feet. Putting the casing cover on the secret compartment. Lock the case door using the fastening hook and turn the case Finally, turn the finished case back around so that it’s on its feet and around and put it on its head to screw the feet on.

  • Page 16: Using The Tools

    Using the Tools We wish you much fun and success! The syringe serves to dose the oil properly for the ratchet wheel . Avoid »bathing« the components in oil. The Gear train runs completely on ball bearings and needs no oil. Cheerfully getting back to work, don’t forget to handle the special This is how you lubricate tools included in this kit in a suitable manner.

  • Page 17: Assembling The Movement

    The functional aspects of your Mechanica M2 are extensively discus- sed in Chapter II »Technology and Workings of the Mechanica M2« starting on page 57.

  • Page 18: Assembly Of The Back Plate

    ◊ Then put the plate onto the top of the pillars. The engraving »Mechanica M2« on the back of the back plate should be showing Finely polished set of screws Equipment upward. The varying shapes of the pillar tops will help you avoid erroneous positioning.

  • Page 19: Assembling The Gear Train

    Assembling the Movement Assembling the Gear train Preparation and Assembly of the Front Plate Since the surfaces of hardened steel arbors are not treated, please The following components are needed: use the gloves included in the set. The gold-plated wheels can get Front plate Compartment (29) Components...
  • Page 20 Assembling the Movement Putting the Front Plate onto the Frame Assembling the Click Now combine the front plate with the partially assembled movement The click spring is already pre-assembled on the front plate. and the back plate. To do this, turn the front plate over and lower it. Now complete the click by adding the following elements in Carefully guide the pivots...
  • Page 21 Assembling the Movement Oiling the Click Securing the Click The Gear train of your Mechanica M2 runs on ball bearings, which The click can now be secured by adding the ratchet wheel cock: should not be lubricated. Ratchet wheel cock Compartment (19) ◊...

  • Page 22: Assembling The Dial Train

    Assembling the Movement Assembling the Dial train Put the Intermediate wheel on the Intermediate wheel Pillar Suggestion: Please heed the correct installation position. By screwing the cylinder- In order to add the Dial train , you will need: Make sure to check head screws M1.4 x 3 into the Intermediate wheel pillar, you will * Compartment (22) Canon pinion...

  • Page 23: Test Record For Gear Train

    The escapement to be lightly moved back and forth along their axes. bearings are Every escapement for the Mechanica M2 has been carefully The clearance should be visible and clearly tangible. pre-oiled. examined and adjusted in our factory before delivery. In order to...

  • Page 24: Testing The Escapement

    220 degrees. wheels! the escapement can easily be damaged! All components of your Mechanica M2 were carefully examined in our factory. Despite this, if a component should not fulfill its function and one The escapement can now be carefully...

  • Page 25: Adding The Standard Dial

    Having concluded the assembly of the movement, you must now add Then place the hands on each of their arbors in the order listed the dial and hands to your Mechanica M2 precision movement in below: order to form a complete timekeeper.

  • Page 26: Equipment

    Screw balance , blued balance spring , and blued screws. With this additional equipment, your Mechanica M2 will be Polished Stainless steel Hands entirely reminiscent of the precision pendulum clocks Erwin Sattler Equipment...

  • Page 27: Square Dial

    Assembling the Movement Putting the Movement into the Case Equipment Square Dial You Will Need: The design of the square dial corresponds to the classic styling Seat-board lower level Components ◊ popular at the beginning of the last century. With it, your Mechanica 2 x movement holder Allen screws M4 x 30 Compartment (25) ◊...

  • Page 28: Putting Your Mechanica M2 Into Motion

    3.5 winding revolutions until the Spring barrel is completely a cutaway in the dial. tensioned again. This is enough power for your Mechanica M2 to continue ticking for seven days. Proceed with the regulation carefully and move the index only in very Setting the Time small steps, otherwise the changes can become too great.

  • Page 29: Care And Maintenance

    Please reserve sufficient of the procedure, precision timepiece. time to modify your Mechanica M2 in order to complete the steps use something like the described. Like every other instrument expected to maintain great precision,...

  • Page 30: Disassembling The Movement

    Assembling CHAPTER II the Movement Now set the case carefully on your work surface and open the door. T E C H N O L O G Y Using the gloves, grasp the movement by the bezel and pull the A N D F U N C T I O N seat-board carefully and smoothly forward and out of the case.

  • Page 31: Introduction

    , this laws. A mechanical clock is a lively and—some say—living thing, and escapement showed very high loss due to your Mechanica M2 is even something tangible in the full meaning friction* and thus did not freely oscillate. The of the word.

  • Page 32: Cylinder Escapement

    The Development of the Escapement side for a moment by the balance’s Discharging pallet and the Cylinder escapement (from 1695; improvement from 1720) escape wheel can pass its impulse to the locking pallet. After that, the escape wheel is stopped precisely at the next tooth by the locking The Cylinder escapement represented a small revolution in the pallet via the recoiling detent arm.

  • Page 33: Swiss Lever Escapement

    If you now take the time to try to understand the procedures Thomas Mudge entered his apprenticeship with famed watchmaker taking place in your Mechanica M2, you will be able to share our George Graham at the tender age of 14 and took over his business enthusiasm for watchmaking and look at your clock through in London after Graham’s death.

  • Page 34: The Escapement

    Technology and Function of the Mechanica M2 Your Mechanica M2 is outfitted with a classic Swiss lever The Escapement* escapement beating at a frequency of 18,000 semi-oscillations per In classic watchmaking two basic styles of regulating organs are used: hour (2.5 Hertz).
  • Page 35 It was given the (today) well- known name NIVAROX (nicht variable und oxydfest/ »not variable and oxide-proof«) and registered for a patent. This is the material that the balance spring of your Mechanica M2 is made of.

  • Page 36: The Balance

    Technology and Function of the Mechanica M2 It is naturally better if the influence of temperature is kept as low The Balance as possible right from the beginning—or, ideally, even entirely We have already described a large part of the problematic in avoided—by choosing suitable materials.

  • Page 37: The Escapement

    Every Semi-oscillation corresponds to the advancement of an timepieces. escape wheel tooth (except for the Chronometer escapement). The frequency of the balance of your Mechanica M2 is 18,000 vph (vibrations per hour), which corresponds to 2.5 Hertz.

  • Page 38: Functional Movement Of The Escapement

    Technology and Function of the Mechanica M2 Two pallets made of synthetic ruby are inserted into the arms of the Functional Movement of the Escapement pallet* lever and alternately engage a tooth of the escape wheel and The oscillations of the balance are based on the alternate exchange hold it for a short time.
  • Page 39 Technology and Function of the Mechanica M2 Discharge Commenting the Individual Sequence of Movements The balance comes from its left complementary arc and oscillates The sequence of movements described here take place during every counterclockwise. Shortly before Dead center , the Impulse pallet...

  • Page 40: Determination Of Rate Precision

    . In this chapter, our goal is to simply describe their in the past this would have been a so-called precision regulator. functions. The escapement of your Mechanica M2 has already been This is a boring and time-consuming affair and for the precision adjusted and pre-regulated in our factory, so you only have to worry movements of modern watchmaking no longer necessary.

  • Page 41: Impulse And Gear Train

    In order to avoid this, the Spring barrel Seconds wheel of your Mechanica M2 is outfitted with so-called stopworks . With 70 teeth, its stop wheels and blocking studs, it builds two banks. One bank One revolution per minute guarantees that the mainspring can’t be wound too far while the...

  • Page 42: The Click

    This observation also provides design prerequisites for a good Your Mechanica M2’s Gear train is outfitted Gear train: with miniature corrosion-resistant Stainless steel ball bearings .
  • Page 43 The size of the individual gearing of each mesh* ◊ than 1:10 are considered ideal. The Gear train of your Mechanica M2 is outfitted with pinions gears The Materials Used containing 12, 14, and 16 teeth. We use hardened steel...

  • Page 44: The Dial Train

    Technical Information of the Mechanica M2 of the Mechanica M2 The Dial train The Movement The last subgroup of our Mechanica M2 that needs discussing is the Plates crafted in 4 mm high-strength aluminum with permanent ◊ Dial train surface protection from an extra-hard anodized...
  • Page 45 Accessories: die Passion geht weiter To give you the opportunity to upgrade your Mechanica M2 both visually and technically, the following accessories are currently available: Faceted Mineral Crystal Pane Page 21 ◊ For visually upgrading your case, in four parts.

  • Page 46: A Role Model For The Mechanica M2

    A Role Model for the Mechanica M2 The »Role Model« of your Mechanica M2 is the Metrica Table Clock from the Erwin Sattler Manufacture in Munich. The modern case crafted in wood with inlaid wood is the result of a permanent evolution of existing models and the use of contemporary materials.

  • Page 47: Glossary

    Timing machine* Torque* Transmissio 3-5 seconds per month, we would love to send you our brochure. Tungsten* Unbalance* Verge escapem Telephone number +49 (0)89 / 8955 806-20 www.uhrenbausatz.de Weight-spring system* Wheel* Windin...
  • Page 48 With the square dial made of anodized aluminum and an applied hour scale, them from corrosion. your Mechanica M2 visually approaches Erwin Sattler’s current models—and the Mechanica M2’s »role models«—Metrica and Pandera. Breguet is one of the most important watchmakers in history and supplied Breguet, Abraham-Louis both the English king and Napoleon I with his timepieces.
  • Page 49 Cambering or curving. This is a popular method of increasing the visual mechanical connection to the Gear train*. attractiveness of hands of valuable timepieces. The hand-domed, polished, and blued hands available as extra equipment are little masterpieces that will upgrade the dial of your Mechanica M2.
  • Page 50 Glossary Friction During the designing of the movement of your precision clock, great value The French-Swiss physicist worked among other things on the definition of Guillaume, the international prototype meter and discovered the Invar* alloy in 1896 Charles-Edouard was placed on decreasing friction. For this reason, most of the Gear train* with its extremely slight heat expansion.
  • Page 51 Glossary Invar The name is derived from invariable. It is a special iron-nickel alloy with 36.8% An event in the escapement sequence when the Impulse pallet* meshes Neutral passage nickel. Tempered Invar has a thermal expansion ten times less than steel. This with the pallet fork near Dead center*.
  • Page 52 Glossary Phillips, Edouard French engineer. Occupied himself intensely with Abraham-Louis Breguet’s* Early type of escapement that saw the Oscillating organ* nearly permanently Recoil escapement (1821-1889) experientially discovered Terminal curves* for balance springs and delivered engaging the escape wheel*, thus forcing a recoiling motion with every the mathematical proof.
  • Page 53 Mechanica M2, which is usually hidden from view. This free view is naturally To upgrade the movement of your Mechanica M2 we offer a 22-part set of especially attractive with the lavishly finished escapement with Screw...
  • Page 54 Rate Table Glossary as a Template Tompion, Thomas English watchmaker who is known as the inventor of the Cylinder This rate table serves to help monitor the rate precision of your M2. (1638-1713) escapement*, the first frictional-rest escapement* for portable timepieces. Additionally, the written records will be very helpful to you during This was improved more by Tompion’s apprentice, friend, and later business regulation...
  • Page 55 STATE = DIFFERENCE DIFFERENCE OF STATES TIME DIFFERENCE TO REFERENCE FROM RECORD OF THE RECORDS RATE / 24H TIME IN SECONDS TO THE NEXT IN HOURS IN SECONDS REMARKS DATE TIME...
  • Page 56 Functional Routine of the Escapement Illustration A Illustration B Illustration C Drop Beginning of Left Complementary Arc Compared to the graphic motions Lift and Impulse of a precision pendulum clock, The impulse pallet leads the pallet fork to The impulse pallet disengages from the The escape wheel tooth leaves the locking observation is clearly more difficult plane of the exit pallet and glides to the...
  • Page 57 Functional Routine of the Escapement Illustration D Illustration E Illustration F Illustration G End of Left Complementary Arc Discharge Lift and Impulse Drop The balance transmits its dynamic energy The impulse pallet engages the pallet fork, The escape wheel tooth leaves the locking The impulse pallet leads the pallet fork to to the balance spring, comes to a stop releases the escape wheel tooth...
  • Page 58 Functional Routine of the Escapement Illustration H Illustration I Illustration J Illustration K Beginning of Right End of Right Complementary Arc Discharge Lift and Impulse Complementary Arc The balance transmits its dynamic energy The impulse pallet engages the pallet fork, The escape wheel tooth leaves the locking The impulse pallet disengages from to the balance spring, comes to a stop at...

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