Broken mainspring damage/repair

[watchweasol]

Hi Guys   Got round to repairing one of my own clocks, The strike side spring had broken and it needed a clean, Managed to repair both.       the spring end and the wheel which had three teeth broken off. After cutting out the broken teeth and making and fitting a blank piece . I had to make a cutting table for the lathe and using a dremmel cutting disc re cut the blank and shaped up by hand. I have tried the interaction with the pinnion and its ok  so on to the rebuild. It is possible to do this type of repair without the use of cutting wheels and sophisticated rigs, just takes time an patience.  Done barrels before, replacing broken teeth but this is a barrel ring gear which slots onto the barrel its self (two piece) so in effect its a bit easier to do.   Although I dont post much of what I do on the forum I thought it might be interesting, Or may be not depends on your point of view.

[oldhippy]

Not bad but you are a little out with the depth, the angle  and height on the new teeth. Next time forget the dremmel and use your needle files. The trouble with power tools they work so fast you have little or no control over them. If you use power tools make sure you have and use the correct set up for cutting teeth.