Mechanique
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Wine time after completing the shank turning operation on 23 tube mitre cutters in ASP 2004 Powder Metal metallurgy.
Wine time after completing the shank turning operation on 23 tube mitre cutters in ASP 2004 Powder Metal metallurgy.
Viewed: 1062 times.
Drilling operation on the 28.6-38.1 mitre cutter blanks.  Next up is the boring operation to take the wall thickness to 2.85mm.
Drilling operation on the 28.6-38.1 mitre cutter blanks. Next up is the boring operation to take the wall thickness to 2.85mm.
Viewed: 1057 times.
Dave's frame is returned to the Marchetti brazing fixture to determine the mitre angle between the wishbone topstay and the seat tube.  Once this is determined the binder will be mitred, brass brazed to the topstay and then the arrangement will be silver brazed to the back of the seat lug.
Dave's frame is returned to the Marchetti brazing fixture to determine the mitre angle between the wishbone topstay and the seat tube. Once this is determined the binder will be mitred, brass brazed to the topstay and then the arrangement will be silver brazed to the back of the seat lug.
Viewed: 1164 times.
Close up of the calibrated rod used to determine the mitre angle of the topstay binder.
Close up of the calibrated rod used to determine the mitre angle of the topstay binder.
Viewed: 1024 times.
Silver brazing the front derailleur braze-on using the new SILVA fixture.
Silver brazing the front derailleur braze-on using the new SILVA fixture.
Viewed: 1072 times.
Silver brazed chainstay cable stop with the forty eight year old Strawberry brazing fixture.
Silver brazed chainstay cable stop with the forty eight year old Strawberry brazing fixture.
Viewed: 1040 times.
New longer seat tube reamer arbors to ream for dropper seat posts are in process.  The above photo shows the dowel pin drilling set up.  Once the hole is drilled a 5/32" dowel pin is set which secures the Silva HSS helical seat tube reamer.
New longer seat tube reamer arbors to ream for dropper seat posts are in process. The above photo shows the dowel pin drilling set up. Once the hole is drilled a 5/32" dowel pin is set which secures the Silva HSS helical seat tube reamer.
Viewed: 1235 times.
Pic detailing preform coiling around various size mandrels held in the lathe.  A radial hole is drilled in the mandrel into which the 1/16" brass rod is inserted and then with gloves the coils are carefully made.  Note:  not OSHA approved!
Pic detailing preform coiling around various size mandrels held in the lathe. A radial hole is drilled in the mandrel into which the 1/16" brass rod is inserted and then with gloves the coils are carefully made. Note: not OSHA approved!
Viewed: 330 times.
New seat tube reamer bodies for the SILVA no. 031 HSS machine reamer in 30.65mm diameter are on the Bridgeport for tapping the stainless handle threading.
New seat tube reamer bodies for the SILVA no. 031 HSS machine reamer in 30.65mm diameter are on the Bridgeport for tapping the stainless handle threading.
Viewed: 289 times.
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