From the Workshop

May 14, 2014

Window to my Workshop 79

Filed under: A27 Bullnose,Window to my workshop — Tags: , — admin @ 10:53 am

Blades back from heat treatment. They have been vacuum hardened and triple tempered, followed by a two hour nitrogen soak. Note that there is no colouration to the blades, which means there were perfect conditions with no leakage.
 

Holtey bullnose blades
 

Now they ‘just’ need polishing and surface grinding.

May 13, 2014

Window to my workshop 78

Filed under: A27 Bullnose,Window to my workshop — Tags: , , — admin @ 12:09 pm

Blades for the Bullnose plane
 
 

Holtey Bullnose 9
 
Cutting the blade bevel
 
 

Holtey Bullnose 11
 
The blade is secured by its adjusting holes etc, in a purpose made holding block, for profile milling.
 
 

Holtey Bullnose 13
 
The milling is coming to an end of the first cut.
 
 
Holtey Bullnose 15
 
The finishing cut.
 
 
Holtey Bullnose 16
 
Profiling complete, with just the side bevels to be done. This is a quick summary of some of the blade work.
 
 
Holtey Bullnose 17
 
A picture of the main components ready for assembly. It has been a long time getting here. It is just like climbing a mountain – you keep seeing false summits.
 

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