Reply To: StIffness in plane iron adjustment
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The iron/cap-iron assembly must be able to move without snag (hard point) between the frog and the lever-cap. Otherwise it is not possible to correctly adjust the lever-cap screw (it would be either too loose or too tight) .
So:
– the underside of the iron, including the long slot which might have a burr if stamped;
– the top of the cap-iron;
– the top of the frog;
– the underside of the lever-cap both at the edge and under the spring leaf
must be smooth and lightly oiled.
Any arris on those pieces (except of course iron cutting edge and cap-iron edge) should be rounded.
IMO it is normal that “the blade backs off when it encounters resistance”. When one has retracted the iron, one has to take back the yoke slack to minimise this.
See Paul Sellers Instagram dated 25 October 2021 and 21 April 2021.
Smooth doesn’t mean mirror finish. Mirror finish surfaces tend to stick together. Machine-ways used to be hand scraped which allowed the existence of small oil pools.
google “Hand Scraping: the Last Bastion for the Blacksmith’s Art in a CNC World”
- This reply was modified 2 years, 7 months ago by Benoît Van Noten.